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Nec Corporation patents


Recent patent applications related to Nec Corporation. Nec Corporation is listed as an Agent/Assignee. Note: Nec Corporation may have other listings under different names/spellings. We're not affiliated with Nec Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nec Corporation-related inventors


Refrigerant distribution device, cooling system, and refrigerant distribution method in refrigerant distribution

. . A refrigerant distribution device includes: a distribution vessel in which a refrigerant liquid flows; a refrigerant inflow pipe connected to a top portion of the distribution vessel and supplied with a refrigerant liquid; a first refrigerant outflow pipe and a second refrigerant outflow pipe connected to a bottom portion of the distribution vessel to discharge the refrigerant liquid; and a float channel switching valve that floats in the refrigerant liquid in the distribution vessel. The flow channel switching valve switches a passage to the first refrigerant outflow pipe when an amount of the refrigerant liquid in one heat receiver does not reach a reference amount of liquid, and cuts off the passage communicating with the first refrigerant outflow pipe and switches the passage to the second refrigerant outflow pipe when the amount of the refrigerant liquid in the one heat receiver reaches the reference amount of liquid.. ... Nec Corporation

Communication terminal, base station, monitoring method, transmission method, and non-transitory computer-readable medium

To provide a communication terminal capable of suppressing an increase in power consumption of a ue during multi-subframe scheduling, a communication terminal (10) includes a monitoring unit (11) that monitors control information containing allocation information of at least one subframe where downlink data is transmitted, and a control unit (12) that determines monitoring timing to monitor the control information in accordance with a decoding result of downlink data transmitted using the at least one subframe. The monitoring unit (11) monitors the control information at the determined monitoring timing.. ... Nec Corporation

Communication processing system and group message processing method

A system of this invention is directed to a communication processing system that copes with a failure while avoiding network congestion or overload by reducing signaling even if a device cannot receive a group message. This communication processing system forms vplmn (visited public land mobile network), and includes a group messaging request acquirer that acquires, from an application, a group messaging request to be distributed to a plurality of devices, a group messaging request distributer that distributes the group messaging request to the plurality of devices, and a redistribution instructor that instructs, when receiving no response to the group messaging request from any one device in the plurality of devices within a predetermined time, the group messaging request distributer to redistribute the group messaging request to a service area including the any one device based on error information of the service area.. ... Nec Corporation

Congestion information transmission terminal device, congestion situation evaluation system, congestion situation evaluation method, and recording medium storing congestion information transmission program

A congestion information transmission terminal device 40 includes a location information acquisition unit 41 for acquiring location information 410 indicating a location of an own device, an output unit 43 for outputting input request information 430 for prompting a user to input congestion information 420 indicating a result of an evaluation performed by the user with respect to a congestion situation of people around, a congestion information acquisition unit 42 for acquiring the congestion information 420 by the user's input operation in response to the input request information 430, and a transmission unit 46 for transmitting the location information 410 acquired by the location information acquisition unit 41 and the congestion information 420 acquired by the congestion information acquisition unit 42 to a congestion situation evaluation device 50 for evaluating a congestion situation related to communication environment.. . ... Nec Corporation

Radio communication system, radio terminal, radio network, radio communication method and program

A radio terminal, which has a function to collect and report measurement information designated by a radio network, comprises: means for receiving collection/reporting control information related to the radio terminal's execution of at least one of the collection of measurement information and the reporting of the measurement information to the radio network; and control means for executing, based on the collection/reporting control information, at least one of the collection and the reporting if execution determination information, which is related to at least one of the collection of the measurement information and the reporting of the measurement information to be executed by the local terminal, satisfies a given determination criterion.. . ... Nec Corporation

Communication processing system, group message processing method, communication processing apparatus, and control method and control program of communication processing apparatus

A system of this invention is directed to a communication processing system that suppresses an increase in number of control messages even if devices cannot receive a group message. The communication processing system includes a holder that holds identifiers of a plurality of devices included in a device group as a target of a group messaging requested from an application, an unreached-device list acquirer that acquires an unreached-device list created by excluding, identifiers of devices which the group message has reached from the identifiers held in the holder based on responses to delivery of the group message, and a message deliverer that delivers a message based on the group messaging to devices having identifiers included in the unreached-device list.. ... Nec Corporation

Biological imaging device and biological imaging method

A fingertip guide of a biological imaging device guides a fingertip, and a light emitting device of the biological imaging device emits light to a first part. An imaging device of the biological imaging device captures a fingerprint of the first part and a blood vessel of a second part by a reflected light and a radiated light. ... Nec Corporation

Information processing device, information processing method, and computer-readable recording medium

An operation information specification unit 82, with use of terminal-specific countermeasure information indicating an applicable countermeasure for each terminal against a security risk and definition information defining a correspondence relationship between a type of operation information of the terminal and a countermeasure against the security risk, specifies a type of operation information corresponding to the countermeasure applicable to the terminal. An operation information acquisition unit 83 acquires operation information of the type specified by the operation information specification unit 82, from among operation information of the terminal. ... Nec Corporation

Data communication device, method for controlling data communication, and program

A data communication device includes: a reception unit that receives data from a transmission device; a transmission unit that transmits the data to a reception device; a setting unit that sets, when the reception unit starts to receive the data, an amount of the data received by the reception unit to an amount that is independent from a transmission speed of the data from the transmission unit to the reception device; an updating unit that updates the set amount to an amount that corresponds to the transmission speed after the reception unit has received the set amount of the data; and a suppression unit that interrupts the transmission device from transmitting the data until the transmission unit transmits the updated amount of the data after the reception unit has received the updated amount of the data.. . ... Nec Corporation

Dynamic tcp proxy selection for acceleration of short network flows

A method for transmitting, over a transport network, data belonging to a data flow includes creating a proxy network including a plurality of transport network proxies; defining a plurality of proxy pairs; defining a plurality of proxy pair links; determining, for each proxy pair link, a round trip time (rtt) of the respective proxy pair link; determining, using the determined rtts of the plurality of proxy pair links, a list of one or more preferred paths for each proxy pair, each preferred path connecting, via one or more of the plurality of proxy pair links, one proxy of the respective proxy pair to the other proxy of the respective proxy pair; and transmitting, from an ingress proxy to an egress proxy, the data belonging to the data flow over a proxy pair path selected from the list of preferred proxy pair paths.. . ... Nec Corporation

Switching power supply apparatus, driving method for switching power supply, and driving program for switching power supply

The present invention is aimed at providing a switching power supply apparatus enabling to avoid enhancement of noise of a specific frequency component. The present invention is a switching power supply apparatus provided with: a switching power supply configured to perform switching of input from a primary power source and thereby output a secondary power source; and a noise frequency analysis device configured to analyze frequency components of noise included in output of the primary power source or of the secondary power source, and accordingly cause the switching power supply to perform switching at a different frequency from a frequency of a maximum noise amplitude among the frequency components.. ... Nec Corporation

System for monitoring event related data

A system for monitoring event related data including a sensor data analyzer, an event analyzer and an actuator is disclosed. The sensor data analyzer detects events based on sensor data, the event analyzer couples to the sensor data analyzer and estimates the size of the detected entire events based on event related data of the detected events from the sensor data analyzer, and the actuator couples to the sensor data analyzer and the event analyzer and actuates a predetermined device based on the estimated size of the detected entire events.. ... Nec Corporation

Information processing apparatus, information processing method, and program

An information processing apparatus includes a mode setting acceptance unit that accepts a setting of a time to control a plurality of devices, on the basis of a mode in which operation contents of the devices are set, and an execution unit that outputs the operation contents of the plurality of devices at the set time.. . ... Nec Corporation

Point of sale device, information processing device, method for controlling point of sale device

As a new technology for easily grasping a total payment amount at a plurality of stores and a balance amount with respect to a predetermined value, provided is an information processing device including: a first information acquisition unit 11 which acquires first information from an issued receipt on which the first information is printed, the first information including at least one of a totalized amount obtained by totalizing payment amounts of past transactions and a balance amount obtained by subtracting the totalized amount from a target amount being a lower limit for receiving a predetermined service; a second information acquisition unit 12 which acquires a payment amount of a new transaction; an update unit 13 which updates first information, based on the payment amount of the new transaction; and a recording unit 14 which prints the updated first information on a newly-issued receipt on which new transaction information is printed.. . ... Nec Corporation

09/27/18 / #20180276637

Checkout system, checkout device, checkout method, and program

The present invention addresses the problem of preventing products from being carried outside a store without complete a checkout process in a checkout system in which a product, a shopping basket in which the product is accommodated, or a shopping cart in which the product is accommodated is disposed in a checkout device when performing a checkout process. In order to solve the problem, a product registration device (10) registers the product. ... Nec Corporation

09/27/18 / #20180276566

Automated meta parameter search for invariant based anomaly detectors in log analytics

Systems and methods for automatically generating a set of meta-parameters used to train invariant-based anomaly detectors are provided. Data is transformed into a first set of time series data and a second set of time series data. ... Nec Corporation

09/27/18 / #20180276452

Face authentication device having database with small storage capacity

Face authentication can easily be performed based on an input image including a mirror region reflected by a mirror without increasing a storage capacity of a database. With the database, for each face of a person to be authenticated, only one real front image is to be registered as a reference face image. ... Nec Corporation

09/27/18 / #20180276294

Information processing apparatus, information processing system, and information processing method

The present invention provides an information processing apparatus which appropriately acquires a content associated with a document and displays the content together with the document. The information processing apparatus includes: a database section which stores term clusters in each of which terms similar in appearance tendency in the documents are grouped, and document clusters in each of which documents similar in term appearance tendency are grouped; a word extraction section which extracts a word from a specified document; a document cluster identifying section which identifies, based on the extracted word, a document cluster associated with the specified document; a keyword selection section which selects, as a keyword, a term appearing in the identified document cluster; a content acquisition section which acquires, from a network, a content associated with the selected keyword; and a display section which displays the acquired content together with the specified document.. ... Nec Corporation

09/27/18 / #20180276236

Storage system

A storage system includes a deduplication storage device, a plurality of readout devices each configured to read out a file based on a file table showing a storing state of the file, a file table acquisition unit configured to acquire the file table in which file specifying information that specifies the file and divided data specifying information that specifies the divided data unit constituting the file are associated with each other, and a file table change unit configured to change the file table such that a plurality of the files constitute a group, based on the file table.. . ... Nec Corporation

09/27/18 / #20180276125

Processor

A processor includes a hierarchical cache memory having a higher-order cache memory and a lower-order cache memory. The hierarchical cache memory is in an inclusive state in which data stored in the higher-order cache memory is included in the lower-order cache memory. ... Nec Corporation

09/27/18 / #20180276088

Controlling device, controlling method, and fault tolerant apparatus

A controlling device 501 includes a controller 502 that executes control to functionally activate of, at least, a part of transmission lanes in multiple transmission lanes connecting a plurality of subsystems which run based on a lock-step method and an embedder 503 that executes an embedding operation to realize a multiplexing state using the part of transmission lanes controlled to functionally activate by the controller and the plurality of the subsystems, wherein, the controller determines whether or not the embedding operation succeeds, determines, when the embedding operation fails, whether or not an embedding operation using another part of transmission lanes, of the multiple transmission lanes, different from the part of transmission lanes used in the failure embedding operation, and executes, when the corporation processing succeeds, control to functionally activate the another part of transmission lanes.. . ... Nec Corporation

09/27/18 / #20180276066

Disk device and notification method of the disk device

A disk device includes; a sensor that, when a driver that records and reads data in the disk device is in a non-operation state, detects an influence on the disk device; a determination circuit that determines based on a detection result of the sensor whether the detection result satisfies a condition leading to a failure of the disk device; and a transmitter that transmits information relating to a fact that the detection result satisfies the condition, to another device.. . ... Nec Corporation

09/27/18 / #20180276064

Diagnosis device, diagnosis method, and non-volatile recording medium

The diagnosis device specifies a progression degree relating to a first information processing device for output information output by a first detection device at a first timing with respect to the first information processing device, based on device information indicates a progression degree that represents a degree to which the information processing device is abnormal with respect to the information processing device, determines whether or not information in which a first detection device identifier of the first detection device and the specified progression degree are associated with each other is included in progression-degree information in which a detection device identifier capable of identifying a detection device and the progression degree are associated with each other; and calculates the progression degree relating to the first information processing device according to the specified progression degree when the information is determined to be included in the progression-degree information.. . ... Nec Corporation

09/27/18 / #20180276037

Data processing system and data processing method

A data processing system includes a plurality of calculation processors cascaded and a plurality of counters connected to the plurality of calculation processors, respectively. The plurality of calculation processors process a task in an order in which the plurality of calculation processors are cascaded. ... Nec Corporation

09/27/18 / #20180275910

Information processing apparatus

An information processing apparatus 100 is configured to include a selection unit 110 configured to select a storage device to be moved from a first place associated with a first storage device to a second place associated with a second storage device connected with the first storage device over a network, based on travel information 120 including the origin and the destination of the storage device. The storage device is selected as a third storage device to be used for storing transport target data stored in the first storage device and transporting the data to the second storage device.. ... Nec Corporation

09/27/18 / #20180275906

Storage system and communicating method

A storage system according to the present invention includes: a plurality of storage devices, wherein each of a plurality of the storage devices including: a control unit; and a storage unit that stores data, wherein the control unit of the storage device that receives a request specifies the storage device that includes the storage unit in that target data targeted by the request is stored among a plurality of the storage devices, and the control unit of the storage device that is specified transmits, as a response to the request, the target data and header information in that a destination identifier indicating a destination of the request is set to a source identifier of the response, and a source identifier indicating a source of the request is set to a destination identifier of the response.. . ... Nec Corporation

09/27/18 / #20180275733

Power supply system

A power supply system includes two first power paths for supplying electric power to a first device, and two second power paths for supplying electric power to a second device. One of the first power paths is configured to be able to supply power to the second device, and one of the second power paths is configured to be able to supply power to the first device.. ... Nec Corporation

09/27/18 / #20180275263

Target information detection system and target information detection method

The target information detection system according to the present invention includes a measurement-side speed detection device for detecting the speed of a measurement-side moving body as a moving body speed, and a target-side speed detection device for detecting the speed of a target as a target speed, and when it is determined from a doppler frequency that the relative speed of the measurement-side moving body and the target is equal to or less than a mode switching speed set in advance, a target information detection device switches a target information detection mode from a doppler mode to a communication mode, acquires a moving-body speed via the measurement-side speed detection device and acquires a target speed via the target-side speed detection device, and calculates target information using the moving-body speed and the target speed.. . ... Nec Corporation

09/27/18 / #20180275176

Apparatus for estimating power consumption, method of estimating power consumption, and program

An apparatus for estimating power consumption, includes: a receiving section that receives consumer power consumptions of a plurality of days in the past; and a determining section that determines an estimated value of the consumer power consumption by using power consumption on conforming days that conform to a predetermined range from a reference value, among the plurality of days.. . ... Nec Corporation

09/27/18 / #20180272687

Sheet-laminating device and sheet-laminating method

This sheet-laminating device is provided with first and second clamping devices, a first conveyance handler capable of holding a sheet with at least a portion of a periphery thereof protruding, and a control unit. The control unit causes: the first clamping device to move to a first upper position while the sheet laminate is being pressed with the second clamping device; the first conveyance handler, which is holding a first sheet, to move to a standby position above the stage from the direction opposite to the first clamping device with the stage therebetween; the first conveyance handler to be descended toward the stage to laminate the first sheet on the sheet laminate, which is being pressed by the second clamping device; and the first clamping device to be descended toward the stage to press the periphery of the first sheet, which is protruding from the first conveyance handler, toward the stage.. ... Nec Corporation

09/20/18 / #20180270992

Stacked module, stacking method, cooling/feeding mechanism, and stacked module mounting board

A stacked module includes stacked multiple boards having components mounted thereon, a connection component electrically connecting the stacked boards, and a feeding/cooling mechanism configured to feed the boards and to cool the components mounted on the boards. The feeding/cooling mechanism includes a cooling member that is inserted between the stacked, electrically connected boards and that is in contact with and cools the components mounted on the boards and a feeding member that is in contact with and feeds the boards.. ... Nec Corporation

09/20/18 / #20180270849

Speculative scheduling in mobile networks

A system is provided for speculative scheduling that includes a base station having a processor. The processor computes an overall schedule for a set of clients. ... Nec Corporation

09/20/18 / #20180270793

Wireless communication system, communication control method, radio base station, radio terminal, and storage medium

Even when a radio terminal cannot receive contents data from a serving base station, the radio terminal can receive the contents data from other base station. A wireless communication system includes a radio terminal, a serving radio base station to which the radio terminal serves, and a non-serving radio base station to which the radio terminal does not serve. ... Nec Corporation

09/20/18 / #20180270726

Communications system

A target communications device receiving from a source communications device a notification that a user communications device is to be handed over from that source communications device, provides the source communications device with multiple component carrier information for use by the user communications device. The multiple component carrier information includes information indicating to the user communications device which of the multiple component carriers is to be used for initial access. ... Nec Corporation

09/20/18 / #20180270704

Wireless access network device

A wireless access network device includes a control unit configured to set a parameter indicating a data amount that a receiving device can receive, in a header of a protocol of at least one of a transport layer and a layer superordinate to the transport layer, the protocol being utilized when a transmitting device transmits data to the receiving device, and a communication unit that communicates with a terminal device.. . ... Nec Corporation

09/20/18 / #20180270690

Blue-printing interference for lte access in unlicensed spectrum

A system, method, and computer program product are provided for blue-printing interference for mobile access in an unlicensed spectrum of a synchronous scheduled cellular access system. The system includes a cellular base station having a processor. ... Nec Corporation

09/20/18 / #20180270538

Information processing device, content selection support method and content selection support program

The present invention provides information which serves as a useful reference when selecting content in which a user himself/herself is interested in many pieces of content. An information processing device includes an information acquisition unit which acquires information that a third person who is related to a user contributes to a website, a content search unit which searches for content relating to the information which is acquired by the information acquisition unit, and a display control unit which makes a display unit display information on a plurality of pieces of content which is viewable for the user. ... Nec Corporation

09/20/18 / #20180270263

Security system using automatic and scalable log pattern learning in security log analysis

A security system using automatic and scalable log pattern learning in security log analysis is provided. The security system includes one or more management services configured to generate security logs, and a security log analysis service operatively coupled to the one or more management services. ... Nec Corporation

09/20/18 / #20180270262

Automatic and scalable log pattern learning in security log analysis

A method for implementing automatic and scalable log pattern learning in security log analysis is provided. The method includes collecting security logs generated by a computer system. ... Nec Corporation

09/20/18 / #20180270111

Data file registration management system, method, management apparatus, and recording medium

The present invention provides a registration management method capable of suppressing influence of data file forwarding load upon processing, and suitable for application to for example vnf package on-boarding. A data file required for registration is placed in advance on a side of a management apparatus that performs registration processing, and at a registration stage, a registration request is made to the management apparatus by specifying the data file placed on the management apparatus side.. ... Nec Corporation

09/20/18 / #20180270087

Wireless communication apparatus, method, and recording medium

To enable use of channel related information more suitable for propagation environment. A wireless communication apparatus according to an example aspect of the present invention includes: a memory storing instructions; and one or more processors configured to execute the instructions to: acquire correlation information regarding correlation between first channel related information generated through channel estimation for a first estimation period and second channel related information generated through channel estimation for one or more estimation periods before the first estimation period; and perform control for a statistic of channel related information, based on the correlation information.. ... Nec Corporation

09/20/18 / #20180270057

Secret calculation system, secret calculation apparatus, and secret calculation method

The secret calculation system comprises three secret calculation apparatuses. An ith secret calculation apparatus (i=1, 2, 3) comprises a holder that holds (s[i], t[i]) and (s′[i], t′[i]) as distributed values of an n-bit number w and an n-bit w′ (n is any natural number), respectively; a first multiplicator that derives a logical conjunction of s[i] and s′[i]; a second multiplicator that derives a logical conjunction of t[i] and t′[i]; and a first subtractor that derives a difference between the logical conjunction derived by the first multiplicator and the logical conjunction derived by the second multiplicator.. ... Nec Corporation

09/20/18 / #20180269980

Optical modulator, optical transmitter, and optical modulation method

In order to provide an optical modulator capable of controlling a bias voltage to correspond to transmission characteristics of a modulation means even when a multi-level modulation scheme is applied, an optical modulator 10 is provided with: an amplitude information control means 20 that generates amplitude information for controlling the amplitude of an information signal to correspond to transmission characteristics of a modulation means 50, adds a dither signal to the amplitude information, and outputs the amplitude information; a bias value control means 30 that generates and outputs a bias value for controlling the center of the amplitude of the information signal to correspond to the transmission characteristics of the modulation means 50; a data output means 40 that corrects the amplitude of information data on the basis of the amplitude information, and outputs the information data as the information signal; the modulation means 50 that corrects the center of the amplitude of the information signal on the basis of the bias value, modulates continuous wave light by using the information signal, and outputs a modulation signal; and an adjustment means 60 that extracts, from the modulation signal, the dither signal added to the amplitude information, and adjusts the amplitude information and the bias value such that the differential value of the intensity of the dither signal added to the amplitude information becomes zero.. . ... Nec Corporation

09/20/18 / #20180269979

Constellation optimization based on generalized mutual information over a nonlinear optical channel

Aspects of the present disclosure describe methods of generating an optimized set of constellation symbols for an optical transmission network wherein the optimized constellation is based on gmi cost and considers both fiber nonlinearity and linear transmission noise.. . ... Nec Corporation

09/20/18 / #20180269972

Secured hybrid coded modulation for 5g - and beyond - access networks

Aspects of the present disclosure describe systems, methods, and structures that advantageously provide hybrid free-space optical (fso)-radio frequency (rf) communication links (hfrcls) that enable building integrated software-defined network (sdn) infrastructure capable of integrating ultra-high-throughput satellite networks, composite wireless infrastructures, heterogeneous networks (hetnets), hybrid networks, satellite networks, and fiber-optics networks—among others.. . ... Nec Corporation

09/20/18 / #20180269577

Multiband antenna and wireless communication device

When a plurality of antenna elements tuned to respective different frequency bands are closely disposed, the performance (the band, the radiating pattern, and so on) of each antenna element may deteriorate. In order to solve the problem, a multiband antenna according to the present invention is provided with: a conductive reflection plate; a frequency selective surface that is disposed so as to at least partially face the conductive reflection plate, that transmits therethrough electromagnetic waves in a first frequency band, that reflects thereon electromagnetic waves in a second frequency band that is a higher frequency band than the first frequency band, and that has a plurality of openings; a plurality of first antenna elements that are disposed in a region sandwiched between the conductive reflection plate and the frequency selective surface and that are tuned to a first frequency included in the first frequency band; and a plurality of second antenna elements that are disposed on a surface opposite the surface of the frequency selective surface facing the first antenna elements, that are fed through feeders passing through the openings, and that are tuned to a second frequency included in the second frequency band.. ... Nec Corporation

09/20/18 / #20180269541

Storage cell control system, storage cell control method, and recording medium

A storage cell control system configured to perform charge/discharge control for a plurality of storage cells under control based on a power adjustment request from a power system includes: a power storage capacity calculating means configured to calculate a current power storage capacity of the storage cell based on storage cell information of the storage cell; a target power storage capacity setting means configured to set a target power storage capacity in stopping an operation of the storage cell; a capacity degradation speed calculating means configured to calculate a current capacity degradation speed and a target capacity degradation speed with respect to each power storage capacity by applying the current power storage capacity and the target power storage capacity to capacity degradation speed correlation information set in advance; and a power distributing means configured to distribute power to the plurality of storage cells in such a manner that when it is assumed that t is an elapsed time from start of operation, a capacity degradation amount dsocvaried(t) is a time integral value of a capacity degradation speed in a case where the capacity degradation speed varies according to a power storage capacity, and a capacity degradation amount dsocfixed(t) is a time integral value of a capacity degradation speed in a case where the capacity degradation speed is fixed regardless of a power storage capacity, a capacity degradation amount minimization condition: a capacity degradation amount dsocvaried(t)≤a capacity degradation amount dsocfixed(t) is satisfied.. . ... Nec Corporation

09/20/18 / #20180268782

Id control device, id control system, multi-screen display system, id control method, and program

An identifier control device includes a cumulative transmission and reception initiation control unit that instructs a plurality of controlled devices. A network formed by connecting the plurality of controlled devices by daisy chaining, to initiate cumulative transmission and reception in which, after received data is temporarily accumulated over a predetermined accumulation time, and data transmission is performed in response to the received data.. ... Nec Corporation

09/20/18 / #20180268705

Method for route optimization for demand responsive transportation

A method for automatically allocating a plurality of available vehicles to a plurality of original service lines and virtual service lines of a transportation network includes receiving the virtual lines from a virtual line generator; approximating a constrained fleet allocation problem with an unconstrained fleet allocation problem that utilizes penalty terms to penalize violation of constraints; performing a multi-start sequential genetic search using a first population to identify a first solution; generating, using the first solution, a second population; performing a second multi-start genetic search using the second population to identify a second solution; and dispatching vehicles to different routes and lines according to the second solution.. . ... Nec Corporation

09/20/18 / #20180268666

Pos device and control method

The present invention makes it possible to allow a customer to insert money into a payment device without the customer giving the money to a sales clerk. Provided is a pos device, including a product registration device (10) and a payment device (20). ... Nec Corporation

09/20/18 / #20180268425

Information processing apparatus, information processing method, and computer-readable storage medium

An information processing apparatus 100 includes: a reception unit 10 that receives analysis subjects and variables relating to the analysis subjects; and a graph generation unit 20 that specifies degrees of influence that the variables have on the analysis subjects with the degrees of influence divided into positive and negative, and generates a graph indicating the specified degrees of positive influence and the specified degrees of negative influence as distances between the variables and the analysis subjects.. . ... Nec Corporation

09/20/18 / #20180268391

Information processing device, information processing method, and recording medium storing program

An information processing device (10), is provided with a merchandise amount estimation unit (14), a number-of-people detection unit (16), and a waiting time estimation unit (18): the merchandise amount estimation unit (14) estimates the amount of merchandise carried by people queuing at a merchandise registration device; the number-of-people detection unit (16) detects the number of people queuing at the merchandise registration device; the waiting time estimation unit (18) calculates a prediction value for the waiting time for each merchandise registration device, on the basis of the amount of merchandise carried by people, and the number of people queuing at the merchandise registration device.. . ... Nec Corporation

09/20/18 / #20180268327

Multi-layer adaptive power demand management for behind the meter energy management systems

Systems and methods for adaptive demand charge management in a behind the meter energy management system. The system and method includes determining, in a first layer, an initial demand charge threshold (dct), for a first period, based on historical dct profiles, and generating recursively, in a second layer, a forecast of a power demand for a second period, wherein the second period is a subset of the first period. ... Nec Corporation

09/20/18 / #20180268326

Optimization system, optimization method, and optimization program

Provided is an optimization system capable of creating a large amount of data for optimization and specifying values of control variables in order to acquire an optimum result in consideration of uncertainty of predictive values. A simulation means 2 is given a model which is information modeling an object to be analyzed therein and including a parameter containing predictive values and their error ranges, control variables and an objective variable, determines values of the control variables per simulation for specifying a value of the objective variable, and conducts simulation multiple times based on the model. ... Nec Corporation

09/20/18 / #20180268316

Calculation apparatus, calculation method, and program

A calculation apparatus has: a dividing unit configured to divide a predetermined space including a substance of a calculation target into a plurality of regions; an electron wave function calculating unit configured to calculate an electron wave function for each of the regions obtained by the dividing by the dividing unit; and an all-electron wave function calculating unit configured to calculate an all-electron wave function by multiplying electron wave functions of the respective regions calculated by the electron wave function calculating unit.. . ... Nec Corporation

09/20/18 / #20180268312

Method and system for incrementally learning log patterns on heterogeneous logs

Systems and methods for enabling automated log analysis with controllable resource requirements are provided. A training set for log pattern learning is generated based on heterogeneous logs generated by a computer system. ... Nec Corporation

09/20/18 / #20180268292

Learning efficient object detection models with knowledge distillation

A computer-implemented method executed by at least one processor for training fast models for real-time object detection with knowledge transfer is presented. The method includes employing a faster region-based convolutional neural network (r-cnn) as an objection detection framework for performing the real-time object detection, inputting a plurality of images into the faster r-cnn, and training the faster r-cnn by learning a student model from a teacher model by employing a weighted cross-entropy loss layer for classification accounting for an imbalance between background classes and object classes, employing a boundary loss layer to enable transfer of knowledge of bounding box regression from the teacher model to the student model, and employing a confidence-weighted binary activation loss layer to train intermediate layers of the student model to achieve similar distribution of neurons as achieved by the teacher model.. ... Nec Corporation

09/20/18 / #20180268266

Surveillance system for recognition in unlabeled videos with domain adversarial learning and knowledge distillation

A surveillance system is provided that includes a device configured to capture a video sequence, formed from a set of unlabeled testing video frames, of a target area. The surveillance system further includes a processor configured to pre-train a recognition engine formed from a reference set of cnns on a still image domain that includes labeled training still image frames. ... Nec Corporation

09/20/18 / #20180268265

Recognition in unlabeled videos with domain adversarial learning and knowledge distillation

An object recognition system is provided that includes a device configured to capture a video sequence formed from unlabeled testing video frames. The system includes a processor configured to pre-train a recognition engine formed from a reference set of cnns on a still image domain that includes labeled training still image frames. ... Nec Corporation

09/20/18 / #20180268224

Information processing device, determination device, notification system, information transmission method, and program

An information processing device includes: an information acquisition unit that acquires information on a target included in an image; and a transmission unit that determines a transmission destination of the image or information on the image according to the information on the target and transmits the image or the information on the image to the determined transmission destination.. . ... Nec Corporation

09/20/18 / #20180268222

Action recognition system for action recognition in unlabeled videos with domain adversarial learning and knowledge distillation

An action recognition system is provided that includes a device configured to capture a video sequence formed from a set of unlabeled testing video frames. The system further includes a processor configured to pre-train a recognition engine formed from a reference set of cnns on a still image domain that includes labeled training still image frames. ... Nec Corporation

09/20/18 / #20180268203

Face recognition system for face recognition in unlabeled videos with domain adversarial learning and knowledge distillation

A face recognition system is provided that includes a device configured to capture a video sequence formed from a set of unlabeled testing video frames. The system includes a processor configured to pre-train a face recognition engine formed from reference cnns on a still image domain that includes labeled training still image frames of faces. ... Nec Corporation

09/20/18 / #20180268202

Video surveillance system based on larger pose face frontalization

A video surveillance system is provided. The system includes a device configured to capture an input image of a subject located in an area. ... Nec Corporation

09/20/18 / #20180268201

Face recognition using larger pose face frontalization

A face recognition system is provided. The system includes a device configured to capture an input image of a subject. ... Nec Corporation

09/20/18 / #20180268055

Video retrieval system based on larger pose face frontalization

A video retrieval system is provided that includes a server for retrieving video sequences from a remote database responsive to a text specifying a face recognition result as an identity of a subject of an input image. The face recognition result is determined by a processor of the server, which estimates, using a 3dmm conditioned generative adversarial network, 3dmm coefficients for the subject of the input image. ... Nec Corporation

09/20/18 / #20180268036

Communication information generating apparatus, communication information generating method, recording medium, and communication management system

A communication information generating apparatus refers, in response to a request for extracting information satisfying a first condition of a first item included in a plurality of items measured for communication and a second condition of a second item included in the plurality of items, to item information where partial items included in the plurality of items measured with respect to communication are associated and specifies a third item associated with the first item and the second item; generates a command for extracting data satisfying the first condition with respect to the first item and the second condition with respect to the second item, transmits the generated command to an apparatus that manages values of a plurality of items of the communication, and receives data extracted in response to the command by the apparatus; and calculates values of the first item to the third item based on the received data.. . ... Nec Corporation

09/20/18 / #20180267934

Information processing device, information processing system, information processing method, and recording medium

An information processing device according to the present invention includes: a problem generator that, based on a first optimization problem, a lower-dimensional expression that is an expression for approximating uncertain data for the first optimization problem at a lower dimension than a dimension of the uncertain data, and a first data region that is a region of the uncertain data, generates a second optimization problem into that the first optimization problem is transformed in such a way that the second optimization problem relates to the lower-dimensional expression, and a second data region into that the first data region is transformed; and a problem solver that computes an optimum solution to the second optimization problem by using the second data region.. . ... Nec Corporation

09/20/18 / #20180267900

Control apparatus, control method, program, and information processing apparatus

A control apparatus includes: an external apparatus control unit configured to load data necessary for execution of calculation processing onto an external memory included by an external apparatus and also cause the external apparatus to execute the calculation processing; a memory access unit configured to convert a logical address used in the calculation processing into a physical address and also access the external memory on the basis of the converted physical address; and an external memory virtualizing unit configured to virtualize the external memory by associating the converted physical address with an external memory physical address that is a physical address in the external memory.. . ... Nec Corporation

09/20/18 / #20180267760

Display system, display device, and display method

A display device includes a video input part for receiving video signals based on video input signals received by another display device, a communication controller for receiving communication data, representing any change occurring in video input signals, from another display device, a video signal determination part for determining video signals input by the video signal input part based on communication data received by the communication controller, and a video signal adjustment part for adjusting video signals based on the result of determination made by the video signal determination part.. . ... Nec Corporation

09/20/18 / #20180267619

Information processing system, information processing apparatus, control method, and program

A marker (3020) is any part of a user's body or is any mark attached to the user. A sensor (3040) is attached to the user. ... Nec Corporation

09/20/18 / #20180267590

Repeater device, repeater chip, card device, signal transmission apparatus, method for setting a repeater related parameter and program for setting a repeater related parameter

A repeater device, comprises: a repeater related parameter storage configured to store a plurality of repeater related parameters corresponding to a cable length of a cable transmitting a signal; a repeater related parameter decision part configured to decide the repeater related parameter from among the plurality of repeater related parameters with reference to the repeater related parameter storage according to the cable length of the cable to be used; and a repeater related parameter setting part configured to set the decided repeater related parameter.. . ... Nec Corporation

09/20/18 / #20180267522

Manufacturing process analysis device, manufacturing process analysis method, and recording medium whereupon manufacturing process analysis program is stored

Provided is a manufacturing process analysis device (30), comprising: a computation unit (31) which computes, in a process in which a manufactured object is manufactured, invariant compliance strengths for each shift time for manufacturing condition values (360) and quality values (361) which are measured in time series; a shift time specification unit (32) which derives, as a specified shift time, a shift time for which the invariant compliance strengths satisfy a baseline; and an analysis unit (33) which analyzes the state of the manufacturing process on the basis of the quality value and the manufacturing condition value for the time which is earlier by the specified shift time than the time at which the quality value is measured.. . ... Nec Corporation

09/20/18 / #20180267249

Optical space transmission system

An optical space transmission system includes a first optical collimator configured to transmit collimated light and change a directivity of transmitted collimated light, a second optical collimator configured to receive collimated light and change a directivity of received collimated light, and a reflector that is fixed and arranged on an optical path through which the first optical collimator and the second optical collimator are optically connected to each other.. . ... Nec Corporation

09/20/18 / #20180267137

Position estimation apparatus, position estimation system, position estimation method and recording medium for position estimation

The present invention provides a position estimation apparatus, a position estimation system, and a position estimation method that can estimate, with high accuracy, the position of a wireless device, the position of which is unknown, as well as a recording medium for position estimation. The position estimation apparatus comprises: a data collection means for collecting measurement data related to an inter-device distance between one wireless device and another wireless device, the inter-device distance being measured by the one wireless device, and measurement data related to the reliability of the inter-device distance between the one wireless device and the other wireless device, the reliability being calculated by the one wireless device; and a wireless-device position estimation means for estimating the position of a wireless device, the position of which is unknown, on the basis of the measurement data collected by the data collection means and the previously collected measurement data related to the measured inter-device distance between the one wireless device and the other wireless device, and the reliability of the inter-device distance.. ... Nec Corporation

09/20/18 / #20180266744

Phase-change cooling system and method for controlling the same

A cooling performance of a phase-change cooling system that circulates a refrigerant liquid using a driving source is remarkably lowered immediately after the startup. Thus, the phase-change cooling system according to the present invention includes: an evaporator that contains the refrigerant liquid for receiving the heat from the heating source; a condenser that releases the heat of the refrigerant vapor generated by the vaporization of the refrigerant liquid at the evaporator and generates the refrigerant liquid; the refrigerant liquid driving means for circulating the refrigerant liquid; the first piping unit for connecting the evaporator with the condenser; the second piping unit for connecting the condenser with the refrigerant liquid driving means; the third piping unit for connecting the refrigerant liquid driving means with the evaporator; and the fourth piping unit that has one end, at the first connection point, connected with the first piping unit and the other end, at the second connection point, connected with the second piping unit, in which the first connection point is positioned at a lower place than a position of an interface between the refrigerant liquid and the refrigerant vapor within the first piping unit when the refrigerant liquid driving means is started up.. ... Nec Corporation

09/20/18 / #20180266528

Deformation motion mechanism

A novel deformation motion mechanism with precise motion precise motion and structural robustness is achieved. A deformation motion mechanism includes: an elastic ring member shaped symmetrically with respect to a center line, wherein one end of the elastic ring member is fixed and the other end is movable along the center line; a drive unit which is placed within the elastic ring member and is arranged to rotate a feed screw engaged with both ends of the elastic ring member along an operating line orthogonal to the center line, to press or stretch the elastic ring member along the center line; and a plurality of flexible arms which connects the drive unit to the elastic member in at least a direction of the center line.. ... Nec Corporation

09/20/18 / #20180263223

Same-fish identification device, fish counting device, portable terminal for counting fish, same-fish identification method, fish counting method, fish count prediction device, fish count prediction method, same-fish identification system, fish counting system, and fish count prediction system

The present invention provides a same fish easy identification device, a fish counting device, a mobile terminal for counting fish, a same fish identification method, a fish counting method, a fish count prediction device, a fish count prediction method, a same fish identification system, a fish counting system, and a fish count prediction system. The same fish identification device of the present invention includes: a measurement image acquisition unit 11; a fish position information acquisition unit 131; a predicted fish position information acquisition unit 132; and a same fish identification unit 133. ... Nec Corporation

09/06/18 / #20180255545

Radio communication system, base station apparatus, radio terminal, and communication control method

A radio communication system includes a first base station that manages a first cell (110), a second base station (12) that manages a second cell (120), and a radio terminal (2). The radio terminal (2) supports dual connectivity involving a bearer split in which a first network bearer between the radio terminal (2) and a core network (3) is split over the first base station (11) and the second base station (12). ... Nec Corporation

09/06/18 / #20180255497

Base station apparatus, communication system and communication method

In order to prevent degradation in communication quality at the time of handover, this base station apparatus is provided with: an antenna; and a cell forming unit that receives, from another base station apparatus, information indicating the movement state of a mobile station apparatus accommodated in the other base station apparatus and forms a cell on the basis of the information by using the antenna.. . ... Nec Corporation

09/06/18 / #20180255385

Optically-secured adaptive software-defined optical sensor network architecture

A method and network are provided for a reconfigurable optical sensor network. The method includes configuring, by a controller, the reconfigurable optical sensor network, including one or more reconfigurable optical space switches, for a type of sensor data. ... Nec Corporation

09/06/18 / #20180255372

Information providing apparatus, information providing method, and storage medium

Provided is an information providing apparatus (10) including a reliability determination unit (11) that determines a reliability of an inference result obtained by inferring an operation state of a monitored electric device group, on the basis of time-series measurement data and training data, the time-series measurement data including any one of current consumption and power consumption of the monitored electric device group and the training data associating each of a plurality of the operation states which can be assumed by the electric device group with a feature value of each of the plurality of operation states, and an output unit (12) that outputs information related to the reliability.. . ... Nec Corporation

09/06/18 / #20180255209

Correction coefficient calculation unit, image conversion unit, color correction device, display device, correction coefficient calculation method, and program

A correction coefficient calculation unit including a reference image output unit that generates a reference image, a profile receiving unit that receives image information and printing information, the image information indicating a color characteristic related to an image to be displayed on a display unit, the printing information indicating a color characteristic related to a printing device, and a reference image division unit that creates printing characteristic data that associates the reference image with the reference image that has undergone color conversion based on the printing information and the image information.. . ... Nec Corporation

09/06/18 / #20180254958

Link prediction with spatial and temporal consistency in dynamic networks

A computer-implemented method executed by at least one processor for performing link prediction with spatial and temporal consistency by employing a time-dependent matrix factorization technique is presented. The method includes developing, at a plurality of timestamps, relational data of a sequence of network structures each including a plurality of nodes and learning, by the at least one processor, a feature vector of each node of the plurality of nodes of the sequence of network structures by concurrently optimizing a temporal fitting constraint and a network propagation constraint. ... Nec Corporation

09/06/18 / #20180254661

Information output apparatus, and information output method

An object of the invention is to provide a new technique for displaying an operation state of an electric device. Provided is an information output apparatus including a unit that creates a group on the basis of attribute information related to plural electric devices and displays time-series data of current consumption or power consumption of the electric devices for each group.. ... Nec Corporation

09/06/18 / #20180254482

Positive electrode active material, positive electrode, and lithium-ion secondary battery

A positive electrode active material of the present invention is used for a positive electrode for a lithium-ion secondary battery and includes a positive electrode active material particle a expressed by general formula (a): liαnixcoymn(1-x-y)o2 (where 0<α≤1.15, 0.7≤x≤0.9, 0<y≤0.2, and 0<(1-x-y)); and one kind or two or more kinds of positive electrode active material particles b selected from a positive electrode active material particle b1 expressed by general formula (b1): liβniacobal(1-a-b)o2 (where 0<β≤1.15, 0.7≤a≤0.9, 0<b≤0.2, and 0<(1-a-b)), a positive electrode active material particle b2 expressed by general formula (b2): liβniacobmn(1-a-b)o2 (where 0<β≤1.15, 0.2≤a≤0.6, 0<b≤0.8, and 0<(1-a-b)), a positive electrode active material particle b3 expressed by general formula (b3): liβ+γmn(2-a-γ)meao4 (where 0<β≤1.0, 0≤γ≤0.3, 0≤a≤0.5, and me is one kind or two or more kinds selected from li, b, mg, al, fe, co, and ni), and a positive electrode active material particle b4 expressed by general formula (b4): liβmpo4 (where 0<β≤1.15 and m is one kind or two or more kinds selected from fe, co, ni, mn, and cu).. . ... Nec Corporation

09/06/18 / #20180254448

Electrochemical device

Electrochemical device 1 includes: electric storage element 5 that includes positive electrode 2, negative electrode 3 and a plurality of separators 4, positive electrode 2 and negative electrode 3 overlapping each other with separators 4 interposed therebetween; and outer container 8 that is composed of flexible film 7, outer container 8 containing electric storage element 5. Separators 4 include adhesive separator 4a and heat-resistant separator 4b whose melting point is higher than the melting point of adhesive separator 4a, and at least a part of adhesive separator 4a is welded to flexible film 7 that makes up outer container 8.. ... Nec Corporation

09/06/18 / #20180254229

Millimeter wave semiconductor apparatus

A millimeter wave semiconductor apparatus includes: a module substrate including the millimeter wave semiconductor chip mounted thereon; and a waveguide tube member constituting a package of the chip and the waveguide tube by including the waveguide tube and supporting the module substrate, the module substrate includes: a base member; a line pattern including a microstrip line portion, a fin line portion, and an interface portion formed on one of surfaces of the base member; a ground pattern formed on the other surface of the base member; and a cavity defined by a hole formed through the base member at a center portion thereof and a surface of the ground pattern on a side where the line pattern is formed as a bottom surface for mounting the chip on the bottom surface thereof, and the microstrip line portion and the chip are wire-bonded at the substantially same level.. . ... Nec Corporation

09/06/18 / #20180253628

Pattern recognition apparatus, method, and program using domain adaptation

The a pattern recognition apparatus using domain adaptation 10 comprises an estimation unit 11. The estimation unit 11 estimates plda (probabilistic linear discriminant analysis) parameters and transformation parameters from features of a first domain data and a second domain data so as to maximize/minimize an objective function with respect to the features.. ... Nec Corporation

09/06/18 / #20180253358

Information processing apparatus

An information processing apparatus performs a backup process to store backup target data on a deduplication storage device configured to eliminate duplicate storage by referring to previously stored data having the same content. The apparatus includes a calculation unit configured to calculate the capacity after deduplication that is performed by storing the backup target data in the deduplication storage device, each time the backup process is performed, and a determination unit configured to determine whether the backup target data is normal or abnormal, based on the capacity calculated each time the backup process is performed.. ... Nec Corporation

09/06/18 / #20180253149

Information processing system, information processing apparatus, control method, and program

An information processing system (3000) includes a marker (3020). The marker (3020) is any part of the body of a user of the information processing system (3000), or is any object attached to the user of the information processing system (3000). ... Nec Corporation

09/06/18 / #20180253064

Arm-worn display device, display method, and computer-readable recording medium

Provided is an arm-worn display device that is configured such that information displayed on the display can be easily visually recognized no matter whether the arm-worn display device is worn on the right or left arm. The arm-worn display device 1 includes a band unit 11 configured to be worn on an arm, a display unit 12 configured to display character information in such a manner that an upward/downward direction of the character information coincides with a width direction of the band unit 11 and the character information is aligned in a longitudinal direction of the band unit 11, an attachment detection unit 13 configured to detect attachment of the band unit 11 to an arm, a direction detection unit 14 configured to detect at least one of an upward direction and a downward direction of the display unit 12 when the attachment detection unit 13 has detected the attachment of the band unit 11 to an arm, and a display control unit 15 configured to set a display orientation of the display unit 12 on the basis of a detection result of the direction detection unit 13.. ... Nec Corporation

09/06/18 / #20180252975

Electronic display device and drive method for same

The present invention is intended to provide an electronic display device capable of displaying even when power source supply is interrupted or the entire device is deformed or the like. The present invention provides an electronic display device including: an electrochromic element including first and second transparent electrodes, first and second electrochromic thin films which are formed on the first and second transparent electrodes and at least one of which is charged and thus has optical transparency, and an electrolyte filled between the first and second electrochromic thin films; and an electrode short-circuit mechanism which causes a short circuit between the first and second transparent electrodes by an external disturbance, thereby emitting a charge and generating a color.. ... Nec Corporation

09/06/18 / #20180252870

Reconfigurable optical space switch

A method and switch are provided for reconfigurable optical space switch. The method includes receiving a control signal, from a controller, to configure a path through the reconfigurable optical space switch. ... Nec Corporation

09/06/18 / #20180252694

Disaster prediction system, moisture prediction device, disaster prediction method, and program recording medium

In order to achieve highly accurate prediction across a wide area for disasters caused by rainfall, this disaster prediction system includes: soil moisture acquisition means that acquires amount of moisture in soil at a specified site, ground surface moisture acquisition means that acquires amount of moisture at a ground surface within a given range that includes the specified site, and estimation means estimates amount of moisture in soil at a freely-selected site in the given range or a parameter that indicates a property of soil at the freely-selected site in the given range, based on the amount of moisture in the soil at the specified site and the amount of moisture at the ground surface within the given range.. . ... Nec Corporation

09/06/18 / #20180252557

Transmitter/reciever with orbital angular momentum based optical encryption

A four-dimensional multiplexing method and four-dimensional multiplexing system are provided for optical networks. The method includes receiving sensor data to be transmitted on an optical network. ... Nec Corporation

09/06/18 / #20180250700

Coating device and coating method

A coating device has: a die head that is provided with a supply port into which a coating slurry is supplied, a manifold that stores the coating slurry, and a slit that dispenses the coating slurry; a supply pipe that is connected to the supply port of the die head; and a cover plate that is provided in the supply port or the supply pipe and that reduces the flow rate of the coating slurry at the center of a cross-section that is orthogonal to the direction in which the coating slurry in the supply port or the supply pipe flows into the die head.. . ... Nec Corporation

09/06/18 / #20180249968

Information processing device, control method for information processing device, and storage medium

This information processing device selects a sensor to be controlled according to the activity plan of a user. The information processing device is attached to the user's body. ... Nec Corporation

08/23/18 / #20180242357

Communication system

. . A communication system is disclosed in which a communication device communicates with communication apparatus that operates a cell within which the communication device is located. The cell is operated as a licensed assisted access (laa) cell and has an associated physical uplink control channel (pucch). ... Nec Corporation

08/23/18 / #20180242201

Radio terminal, control device, and method therefor

A radio terminal (1) communicates with a controlling entity (9) through a first cell (32s) managed by a first radio access network entity (31s) located in a radio access network (ran) (3) and also through a core network connected to the ran (3) in order to establish prose communication with a second radio terminal (2), and then starts the prose communication (103) with the second radio terminal (2) in the first cell (32s). The radio terminal (1) transmits or receives, to or from the controlling entity (9), first control information about a handover of the first and second radio terminals (1, 2) from the first cell (32s) to a second cell (32t) managed by a second radio access network entity (31t) located in the ran (3). ... Nec Corporation

08/23/18 / #20180242197

Communication control device, communication system, communication control method, and non-transitory computer-readable medium

An object of the invention is to provide a communication control device capable of reducing the effect on throughput of u-plane data when the communication amount of c-plane data increases. A communication control device (30) according to the present invention includes: an information acquisition unit (31) configured to acquire ratio information indicating a ratio between a communication amount of control data and a communication amount of user data from a base station (20) configured to allocate a radio resource for transmitting and receiving the control data and the user data between the base station and a mobile station (10); and a parameter control unit (21) configured to change a parameter associated with the mobile station (10) so as to reduce the control data to be transmitted and received between the mobile station (10) and the base station (20) when the ratio of the communication amount of the control data is larger than a predetermined threshold.. ... Nec Corporation

08/23/18 / #20180242181

Apparatus, method, and system relating to minimization of drive tests (mdt) measurements

To enable more efficient collection of information for optimal area design of a downlink only cell. An apparatus of the present invention includes: an information acquisition unit configured to acquire target cell information indicating a target cell of minimization of drive tests (mdt) measurements in an idle mode of a terminal apparatus; and a communication processing unit configured to transmit the target cell information to the terminal apparatus. ... Nec Corporation

08/23/18 / #20180242171

Enhanced dedicated-channel reporting for umts

A method for a mobile communication system, the mobile communication system defining a dedicated channel (dch) active set and an enhanced-dedicated channel (e-dch) active set, the method including performing a power measurement of a pilot signal from a cell that is not included in the e-dch active set but included in the dch active set, and performing a power measurement of a pilot signal from a cell that is included in the e-dch active set.. . ... Nec Corporation

08/23/18 / #20180242160

Coverage control method, base station apparatus, wireless communication system, and non-transitory computer readable medium having base station control program stored thereon

The coverage control method includes at least: step s101 of detecting that a load of an own cell is higher than a predetermined threshold (lth1) when there is another cell whose coverage partially overlaps the own cell; step s103 of selecting an accommodation candidate cell that is a candidate to which a mobile station accommodated in the cell is unloaded, from the another cell based on a load condition related to a communication load that is a coverage control execution target; step s106 of selecting a continuously accommodated mobile station that is a mobile station that continues to be a coverage control target of the own cell, from the mobile station accommodated in the own cell based on radio quality of the selected accommodation candidate cell; and step s107 of controlling a coverage of the own cell by targeting at the selected continuously selected mobile station.. . ... Nec Corporation

08/23/18 / #20180242157

Wireless communication apparatus, wireless communication system, evaluation method, and non-transitory computer readable medium storing program

A wireless communication apparatus (1) includes an information acquisition unit (10) for acquiring information about a wireless terminal when the wireless terminal is wirelessly connected to the wireless communication apparatus, a storage unit (11) for storing the information about an authorized terminal acquired by the information acquisition unit (10) in association with an individual identifier of the authorized wireless terminal, and an evaluation unit (12) for evaluating as to whether or not the wireless terminal wirelessly connected to the wireless communication apparatus is an authorized wireless terminal. The information includes at least fixed information other than the individual identifier. ... Nec Corporation

08/23/18 / #20180241747

Information processing apparatus, authentication method, and recording medium for recording computer program

An information processing apparatus that authenticates sets of distributed authentication information without collecting, the sets of distributed authentication information, to be collected at any one of apparatuses included in a system. The apparatus includes: a secure computation unit that determines whether master authentication information, which is stored in advance and is one information to be compared for authentication, matches authentication information, which is received from a first information processing apparatus and is the other information to be compared for authentication, by executing secure computation with a second information processing apparatus based on one set of distributed master authentication information obtained by distributing the master authentication information by using a secret distribution method and based on one set of distributed authentication information obtained by distributing the authentication information by the secret distribution method; and a process execution unit that executes a predetermined process based on the determination result.. ... Nec Corporation

08/23/18 / #20180241723

Interconnection device, management device, resource-disaggregated computer system, method, and medium

An interconnection device included in a module together with a resource, the interconnection device includes: a processor; and a transceiver, wherein the processor is configured to: a manager that stores configuration information about a computer in a resource-disaggregated computer system including a fabric switch and a plurality of the modules coupled to the fabric switch and configuring the computer by a combination of the modules, and reads and writes the configuration information based on management data being received; a protector that performs authentication or encryption and decryption of the management data; and the transceiver is coupled to the fabric switch, the protector and a resource used by the module, and transfers the management data between the fabric switch and the protector and data other than the management data between the fabric switch and the resource.. . ... Nec Corporation

08/23/18 / #20180241629

Virtual network monitoring system, virtual network monitoring method, and recording medium

To provide a virtual network monitoring system, etc., for facilitating the monitoring of a virtual network on the basis of a connection structure between a virtual node and the virtual network. Provided is a virtual network monitoring system that includes a control plane for transferring a virtual network control signal and a data plane for transferring a virtual network packet, wherein the virtual network monitoring system is provided with an agent means for acquiring a connection structure between a virtual node and the virtual network in a physical environment, a virtual network management means for acquiring a connection structure between a virtual node and the virtual network in a virtual environment, and a virtual network monitoring means for monitoring the virtual network on the data plane on the basis of the connection structure between the virtual node and the virtual network in the physical environment and the connection structure between the virtual node and the virtual network in the virtual environment.. ... Nec Corporation

08/23/18 / #20180241538

Relay apparatus, communication system, and failure detection method

An object is to provide a relay apparatus capable of detecting a failure that occurs in the relay apparatus. A relay apparatus (10) according to the present disclosure includes a data reception unit (11) configured to receive a synchronizing packet transmitted from a master apparatus (20), the synchronizing packet containing a time value and a time correction value for correcting the time value, an update unit (12) configured to update the time correction value based on a processing time for the synchronizing packet, and a determination unit (13) configured to determine whether or not a failure has occurred in a functional block related to a process for updating the time correction value by using a result of a comparison between a corrected time value and a reference time value, the corrected time value having been corrected by using the updated time correction value.. ... Nec Corporation

08/23/18 / #20180241516

Apparatus and method for radio communication

To enable delivery confirmation for data transmitted from a base station to a terminal apparatus via the access point. An apparatus according to an example aspect of the present invention includes an information acquisition unit configured to acquire a data unit from a packet data convergence protocol (pdcp) layer of a base station, and a communication processing unit configured to transmit the data unit to a terminal apparatus via an access point of a wireless local area network using a protocol enabling delivery confirmation.. ... Nec Corporation

08/23/18 / #20180241472

Equalizer, repeater and communication system

In order to enable easy adjustment of loss wavelength characteristics in accordance with the characteristics of a wavelength division multiplex optical signal, and the usage environment of an edfa, etc., an equalizer 10 is provided with: a wavelength selection switch unit 20 that adds a loss profile that has been set to an inputted wavelength division multiplex optical signal, and outputs the same; and a setting unit 30 that sets the loss profile to a wavelength selection switch means on the basis of obtained setting information. The setting information is information for flattening the spectrum of the outputted wavelength division multiplex optical signal.. ... Nec Corporation

08/23/18 / #20180241448

Apparatuses and system relating to radio access network

To enable reduction of the amount of information transmitted from one node to the other node, the nodes sharing processing in a radio access network. An apparatus of the present invention includes: an information generation unit configured to generate channel information for a terminal apparatus by performing channel estimation based on uplink signals transmitted by the terminal apparatus; a selection unit configured to select candidate channel information corresponding to the generated channel information from among a group of predetermined candidate channel information; and a notification unit configured to notify a first node, which performs scheduling for the terminal apparatus, of indication information indicating the selected candidate channel information.. ... Nec Corporation

08/23/18 / #20180241038

Negative electrode for lithium ion secondary battery and lithium ion secondary battery

A negative electrode for a lithium ion secondary battery including a current collector and a negative electrode active material layer on the current collector, wherein the negative electrode active material layer includes: a first composite particle with a first graphite core particle and a first non-graphite-based carbon material coating a surface thereof; and a second composite particle with a second graphite core particle and a second non-graphite-based carbon material coating a surface thereof, and wherein an average particle diameter of the first composite particles is 5-30 μm; an average particle diameter of the second composite particles is 2-25 μm, and is smaller than the average particle diameter of the first composite particles; the mixing ratio of the first composite particle a and the second composite particle b is 50:50-95:5 in mass ratio; and a density of the negative electrode active material layer is 1.4-1.7 g/cm3.. . ... Nec Corporation

08/23/18 / #20180240046

Display system for displaying analytical information, method, and program

Provided is a display system for displaying analytical information that allows a person to easily analyze which term in the estimation equation causes the estimation failure, when the measured value largely deviates from the estimated value. A calculation means (3) uses values of two or more types of attributes used in calculation of an estimated value, and a coefficient of an explanatory variable in an estimation equation used in calculation of the estimated value, to calculate a product of a value of the explanatory variable specified from each of the values of the attributes and the coefficient corresponding to the explanatory variable, for each estimated value. ... Nec Corporation

08/23/18 / #20180240019

Table-meaning estimation system, method, and program

A learning means 71 learns, based on learning data containing the meaning of a column in a table and the meaning of the table, a model indicating regularity between the meaning of the column in the table and the meaning of the table. An estimation means 72 estimates the meaning of the table based on the meaning of a column of a table to be input and the model.. ... Nec Corporation

08/23/18 / #20180239979

Living body recognition device, living body recognition method, and living body recognition program

A living body determination device includes: a light irradiation device that irradiates a measuring object with a first light including a plurality of spectrums; a spectroscopic device that disperses a light at intensity depending on a wavelength and outputs the light; an image acquisition device that receives the light output by the spectroscopic device and outputs image information representing brightness depending on the intensity of the light; and a control unit. The control unit, for each spectrum of the first light, acquires image information with respect to the measuring object from the image acquisition device, based on the image information, selects one or more areas, for each of the areas, acquires spectroscopic information, and based on whether the spectroscopic information satisfies a predetermined condition, determines whether the measuring object is a living body.. ... Nec Corporation

08/23/18 / #20180239954

Face recognition system, face recognition method, display control apparatus, display control method, and display control program

There is provided a display control apparatus that allows an operator to grasp a factor leading a face recognition result at a glance and to confirm or modify the face recognition result on the spot. The display control apparatus comprises a similarity acquirer that acquires a similarity between each pair of partial regions of face images by performing collation processing between the each pair of partial regions of the face images, and a display controller that controls to overlay, on the face images, at least one of a first region the similarity of which exceeds a threshold and a second region the similarity of which does not exceed the threshold, and display the overlaid face images. ... Nec Corporation

08/23/18 / #20180239944

Living body determination device, living body determination method, and program

A living body is accurately determined while minimizing increases in the size of a device and increases in the number of components. A living body determination device includes a spectroscopic device 104 that disperses light entering from a pedestal side and outputs the result; a light emission device 101 that emits first light toward the pedestal from a position facing the spectroscopic device 104 with the pedestal therebetween; a light emission device 102 that emits second light toward the pedestal from the spectroscopic device 104 side; an image acquisition device 105 that outputs image information indicating a brightness corresponding to the intensity of the light output by the spectroscopic device 104; and a calculation device 106 that acquires first image information regarding each of the spectra of the first light from the image acquisition device 105, acquires first spectroscopic information on the basis of each of the pieces of first image information, acquires second image information regarding each of the spectra of the second light from the image acquisition device 105, acquires second spectroscopic information on the basis of each of the pieces of second image information, and determines whether or not a measurement target 10a is a living body, based on the first and second spectroscopic information.. ... Nec Corporation

08/23/18 / #20180239910

Encrypted text verification system, method and recording medium

In a system with registration data, in a data registration phase, encrypted data is calculated by encrypting input data to be concealed by using a secret key and secret information, registration data is generated based on the encrypted data and verification key, and the registration data is stored as a registration template in a storage unit together with an identifier for uniquely identifying the registration data. In an encrypted text verification phase, a data verifying request is generated in which input data to be verified has been encrypted by using a random number and secret information, the registration template stored in the storage unit and the data verifying request are matched verified to produce a determined result, a verified result including a part or all of the registration template corresponding to the determined result is produced, and data is restored based on the verified result to produce a restored result.. ... Nec Corporation

08/23/18 / #20180239838

Display processing apparatus and display processing method

A display processing apparatus includes an acquisition unit (101) and an output processing unit (102). The acquisition unit (101) acquires, for each of a plurality of pieces of similarity data extracted by similarity search based on query data, a similarity degree value indicating a similarity with the query data. ... Nec Corporation

08/23/18 / #20180239782

Image processing system, image processing method, and program storage medium

In order to shorten a time needed to extract an image meeting conditions from among a plurality of images, an image processing system 104 is provided with a detection unit 1043 and an acquisition unit 1044. From among a plurality of second images obtained by means of processing of reducing the capacitance of a plurality of first images, i.e., images to be processed, and/or processing of extracting an image meeting extraction conditions from among the first images, the detection unit 1043 detects a second image meeting retrieval conditions. ... Nec Corporation

08/23/18 / #20180239720

Memory control device

A memory control device of the present invention controls a memory that includes multiple bank groups each including multiple banks. The memory control device includes a request buffer configured to store memory requests to be issued to the banks, a bank busy manager configured to manage busy states of the banks, a bank group checker configured to, for each of the banks, manage the number of banks in not-busy state of the banks in each of the bank groups, a bank group determination unit configured to determine a bank group to which a memory request is issued, on the basis of the numbers of the banks in not-busy state in the respective bank groups, and a request issuer configured to issue the memory request in the request buffer to a bank in the determined bank group.. ... Nec Corporation

08/23/18 / #20180239646

Information processing device, information processing system, task processing method, and storage medium for storing program

In a distributed processing system it is difficult to use resources efficiently without underutilization of resources. In contrast thereto, this information processing device includes: a cluster management means, which is connected to multiple task execution servers that execute tasks by means of one or more virtual machines forming a server virtualization environment, and which manages cluster configuration information indicating the hardware configuration of the task execution servers; a deployment means which, with respect to the multiple task execution servers, mandates the activation of the virtual machines on the basis of a deployment pattern for setting the number of virtual machines included in each of the task execution servers; a job distribution means, which distributes jobs to the virtual machines indicated by the cluster configuration information and activated by the task execution server; and a task execution command means, which transmits tasks that include jobs to the job distribution means, determines a deployment pattern on the basis of supplementary information assigned to the jobs included in each task, and transmits the deployment pattern to the deployment means.. ... Nec Corporation

08/23/18 / #20180239638

Virtual computer system performance prediction device, performance prediction method, and program storage medium

To estimate the relation between virtual machine performance and scheduling parameters which are set in a scheduler which allocates cpu time to a virtual machine, provided is a performance prediction device, comprising a measuring unit and an estimation unit. The measuring unit sets the scheduling parameters to sample values, operates a virtual computer system, and measures cpu allocation delay time from when the virtual machine requests an allocation of the cpu to when the cpu is allocated to the virtual machine and turnaround time (tat) of the virtual machine. ... Nec Corporation

08/23/18 / #20180239619

System change assistance system, information processing device, and system change assistance method and program

A system change assistance system includes value redefinition means 501 configured to compare two vectors, one of which is set to a first comparison subject vector and the other is set to a second comparison subject vector, each configured from a set of a value of a first item having a discrete value in which the number of possible values is finite or less than a predetermined value, and a value of a second item having a continuous value or a discrete value in which the number of possible values is equal to or larger than a predetermined value, and to change the value of the first item of the first comparison subject vector in a case where the value of the first item of each vector is matched and the value of the second item of each vector is different.. . ... Nec Corporation

08/23/18 / #20180239528

Display method, display device, and program

A display method of the present invention includes a stain detecting step for detecting a stain on an input display part, and a stained-point displaying step for displaying a predetermined indication at a first point of the input display part corresponding to the position of the detected stain.. . ... Nec Corporation

08/23/18 / #20180239486

Control method, electronic blackboard system, display device, and program

A control device configured to control a display device using an input object (e.g. A finger or a hand of a person, or a pen) includes detecting a touch operation using the input object, capturing an image including at least part of the input object, and determining a process to be executed based on the detection result of the detecting and the captured image of the image capturing.. ... Nec Corporation

08/23/18 / #20180239314

Operation control device, operation control method, and storage medium

An operation control device for controlling operation of an operation device with respect to an operation object includes: operation logic unit that stores in advance an operation logic related to sensor information; virtual object setting unit that sets an operation object to be estimated based on sensor information, as a virtual operation object having an attribute related to presence probability and an operation-related attribute; virtual object operation determination unit that determines whether it is possible to perform an operation with respect to the virtual operation object, based on the attribute related to a presence probability and the operation-related attribute; and operation control unit that controls an operation of the operation device with respect to the operation object by using an operation logic stored in the operation logic means, based on sensor information output from the sensor and a determination result by the virtual object operation determination unit.. . ... Nec Corporation

08/16/18 / #20180234976

Network sharing

. . A wireless communication system includes one or more base stations able to divide resources between multiple network operators sharing the base station. A shared base station is configured to monitor a contribution to the load on the base station associated with network operators sharing the base station resources and to provide the determined contribution to the load to one or more other base stations for use in load balancing between the base stations.. ... Nec Corporation

08/16/18 / #20180234884

Wireless communication apparatus, wireless communication system and wireless communication method

A wireless communication apparatus, a wireless communication system and a wireless communication method which can effectively use surplus radio bands of a first link configured by bundling a plurality of radio links are provided. The wireless communication apparatus (1) includes a flow rate monitoring unit (2) and a detecting unit (4). ... Nec Corporation

08/16/18 / #20180234858

Base station, machine-to-machine (m2m) terminal, method, and computer readable medium

A base station (13) is configured to receive, from a machine-to-machine (m2m) terminal (11) or a core network (14), history information indicating whether or not specific coverage enhancement processing was executed in previous communication with the m2m terminal (11). Further, the base station (13) is configured to control communication using the specific coverage enhancement processing between the m2m terminal (11) and the base station (13) based on the history information received from the m2m terminal (11) or the core network (14). ... Nec Corporation

08/16/18 / #20180234415

Mount, authentication device, authentication method, and program

A wearable article includes: an annular casing that surrounds a space into which a body of a user is to be inserted; a light-emitting element that is provided in the casing, the light-emitting element emitting light towards the space; an imaging element that is provided in the casing, the imaging element capturing and obtaining an image of the space when the light-emitting element emits light; and an authentication circuit that authenticates the user based on a vein pattern obtained in advance and the image.. . ... Nec Corporation

08/16/18 / #20180234315

Data division unit, communication device, communication system, data division method, and storage medium having data division program stored therein

[problem] to provide: a division unit in which a reception side can restore, to the original data, data that has been divided and transmitted by a transmission side and received via different transmission lines; a communication device; a communication system; a data division method; and a data division program. [solution] a data division unit 200 comprising a division part 300. ... Nec Corporation

08/16/18 / #20180234285

Antenna array based oam wireless communication

Systems and methods for orbital angular momentum (oam)-based multidimensional wireless communication. The oam-based multidimensional wireless communication is preformed with a transmitter for generating an rf modulated signal carrying a data sequence. ... Nec Corporation

08/16/18 / #20180234236

Multidimensional coded modulation for wireless communications with physical layer security

Systems and methods for quantum key distribution using orbital angular momentum (oam)-modes-enabled secure multidimensional coded modulation. The quantum key distribution including symbols of a raw key across subcarriers and multiplexing the subcarriers to form an electrical carrier. ... Nec Corporation

08/16/18 / #20180234180

Free space optical transmitter and free space optical communication method

It is difficult in a free space optical transmitter to transmit a beacon beam stably at low cost, and that it is impossible to maintain stable tracking; therefore, a free space optical transmitter according to an exemplary aspect of the present invention includes a laser beam transmitting means for transmitting a plurality of laser beams capable of interfering with each other and differing in one of an optical frequency and a time variation in a phase difference; and a wavefront control beam transmitting means for transmitting, to a free space, a plurality of wavefront control beams obtained by making each of the plurality of laser beams have a different wavefront.. . ... Nec Corporation

08/16/18 / #20180234139

Multidimensional coded modulation for wireless communications

Systems and methods for orbital angular momentum (oam)-based multidimensional signaling with multiple-input-multiple-output (mimo). The wireless communication is achieved using a transmitter including a plurality of orthogonal pulse shapers of a multidimensional modulator, the plurality of orthogonal pulse shapers generating a multidimensional modulated signal by imposing one or more data sequences on corresponding mutually orthogonal filter impulse responses derived from multiple orthogonal basis functions including slepian sequences. ... Nec Corporation

08/16/18 / #20180233798

Demultiplexer/multiplexer, antenna device, and fading elimination method

A demultiplexer/multiplexer includes an input terminal, which receives input signals from respective phases of a quadrifilar helix antenna; phase shifter/separator/mixers, which alternately phase-shift right-handed and left-handed circularly polarized waves of the input signals, respectively, by 90°/−90° to produce phase-shifted waves to be combined in an inphase combination; phase shifter/mixers, which receive the left-handed or right-handed circularly polarized waves from the phase shifter/separator/mixers, and phase-shift one of the left-handed and right-handed circularly polarized waves by 180°/−180° to produce a phase-shifted wave to be combined with the other of the left-handed and right-handed circularly polarized waves in an antiphase combination; a variable phase shifter, which adjusts an output signal from the phase shifter/mixers by a phase-shift amount that is received in advance; and an output terminal, which outputs an output signal from the variable phase shifter and the other output signal that is not input to the variable phase shifter.. . ... Nec Corporation

08/16/18 / #20180233772

Lithium ion secondary battery, and method for producing the same and method for evaluating the same

There is provided a lithium ion secondary battery comprising: a positive electrode comprising, as a positive electrode active material, a lithium nickel-containing composite oxide having a layered crystal structure; a negative electrode comprising, as a negative electrode active material, a graphitic material; and an electrolyte solution, wherein the warburg coefficient per charge capacity (σ0), determined by an alternating current impedance method, is 0.005 or lower.. . ... Nec Corporation

08/16/18 / #20180233735

Method for producing negative electrode for lithium ion secondary batteries

A method for producing a negative electrode for a lithium ion secondary battery, the negative electrode comprising a current collector, and a negative electrode active material layer disposed on the current collector, the method comprises: preparing a slurry comprising a negative electrode active material, a binder, a water-soluble polymeric thickener, and an aqueous solvent; and forming a coating layer to be used as the negative electrode active material layer by applying the slurry on the current collector and drying the slurry for removing the aqueous solvent, and the preparing a slurry comprises: preparing a dispersion comprising the water-soluble polymeric thickener dissolved and an acrylic binder dispersed; and preparing and stirring a mixture comprising a powder material comprising the negative electrode active material, and the dispersion.. . ... Nec Corporation

08/16/18 / #20180233459

Module, module manufacturing method, and package

A first substrate, a second substrate, and a retaining member are included. On the first substrate, a heat-generating part is mounted. ... Nec Corporation

08/16/18 / #20180233430

Processing device and processing system

The present invention addresses the problem of reducing the number of terminals of a processing device while achieving both communication with another device and temperature adjustment of at least part of the processing device. To solve this problem, a processing device is provided with a temperature control signal generation unit, a data signal generation unit, a transmission signal generation unit, and a sending unit. ... Nec Corporation

08/16/18 / #20180233035

Method and filter for floating car data sources

A method of filtering floating car data (fcd) sources includes receiving data from the fcd sources. A plurality of indicators are computed for each of the fcd sources from the data received from the fcd sources. ... Nec Corporation

08/16/18 / #20180232799

Exhibition device, display control device and exhibition system

Provided is an exhibition device that is installed in a store, for example, and controls the display mode of a product image so as to call the attention of a user to a product and also arouse the interest of the user. The exhibition device is provided with an exhibition region in which an object (such as a product) is exhibited and a display region of an image corresponding to the object, and changes the display mode of the display region on the basis of object information relating to the object and/or moving body information relating to a moving body (such as a user). ... Nec Corporation

08/16/18 / #20180232139

Window control method, information processing apparatus, and control method and control program of information processing apparatus

An apparatus of this invention is directed to an information processing apparatus that discriminates, without adding any hardware component, between a window to be operated and a window not to be operated. The information processing apparatus includes a display unit that displays at least two windows, a determiner that determines a touch for maintaining screen on a display region of the at least two windows, and a controller that maintains, even when an operation for the at least two windows is input, display of a window on which the touch for maintaining screen has been determined, regardless of the operation. ... Nec Corporation

08/09/18 / #20180227883

Method and system for device-to-device communication

A device-to-device user equipment (d2d-ue) and a method for use by a device-to-device user equipment (d2d-ue) is provided. The method comprises: determining, according to a non-ue specific resource allocation configuration, a plurality of available channels within a resource pool; selecting a primary channel of the plurality of available channels for the transmission of data; determining one or more transmission (tx) opportunities and one or more reception (rx) opportunities associated with the selected primary channel, wherein the transmit opportunities comprise a transmit subframe and an associated transmit resource block which are allocated for data transmission, and the reception opportunities comprise a transmit subframe which is not allocated for data transmission; transmitting a scheduling assignment (sa) on a tx opportunity of the tx opportunities; and receiving, an sa of another d2d-ue on an rx opportunity of the rx opportunities.. ... Nec Corporation

08/09/18 / #20180227815

Split of control- and user-plan during lte-wlan aggregation handovers

A communications system is described in which a base station controls interworking between a cell of the base station operating according to a first radio access technology and cells of access points operating according to a second radio access technology. The base station transmits control plane data to a mobile device in its cell, wherein the control plane data facilitates user plane communication by the mobile device, via a first access point. ... Nec Corporation

08/09/18 / #20180227776

Management server, communication system, management server control method, and program

A management server comprises: a grouping part that performs grouping a plurality of terminals including arbitrary terminals into a same group; a candidate selection part that selects a destination candidate server(s) from among a plurality of predetermined servers; and a connection destination determination part that determines, from among the destination candidate servers, a connection destination server to which the plurality of terminals connect, based on a difference in delays between the plurality of terminals belonging to the same group on a communication to the destination candidate server(s).. . ... Nec Corporation

08/09/18 / #20180227768

Network management method and system for a shared radio access network, ran, infrastructure

A method for performing network management for a shared radio access network (ran) infrastructure provided by a mobile network operator includes managing the shared ran infrastructure by a master operator network manager of the mobile network operator; and allocating, by the master operator network manager upon receiving service requests from one or more tenants, resources to accommodate the service requests. The master operator network manager cooperates with a capacity or resource broker residing inside the network of the mobile network operator that considers information on mobility of a user or a set of users involved in a particular service request for deciding on resource allocations to the particular service request.. ... Nec Corporation

08/09/18 / #20180227726

Base station, radio terminal, and methods therein

A base station (100) transmits configuration information regarding a specific signal to a first radio terminal (120) (step 201). Further, in response to reception (step 203) of a specific signal (150) from the first radio terminal (120), the base station (100) transmits a first message carried by the specific signal (150), or a second message derived from the first message, using a broadcast/multicast signal (160) to be received by a plurality of radio terminals (121-123) (step 205). ... Nec Corporation

08/09/18 / #20180227592

Motion picture encoding device, motion picture encoding method, and storage medium storing motion picture encoding program

Provided is a motion picture encoding device that is capable of processing a large number of tasks in a parallel manner without reducing encoding efficiency. A motion picture encoding device 10 is provided with a motion vector determining unit 11 that determines the motion vector of a block to be encoded used for a motion compensation prediction from the motion vectors of adjacent blocks contained in a reference region among blocks adjacent to the block to be encoded contained in the reference region that constructs an image.. ... Nec Corporation








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