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China Academy Of Telecommunications Technology patents


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

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Method and device for establishing an auxiliary signaling link, base station and user equipment

A method and a device for establishing an auxiliary signaling link, a base station and a user equipment are provided. The user equipment is allowed to establish an auxiliary signaling link on a plurality of radio access systems. ... China Academy Of Telecommunications Technology

Dynamic access point grouping method and device

A dynamic ap grouping method and a dynamic ap grouping device are provided. It is able to provide services to ue in a ue-centered manner as compared with a traditional mode where the services are provided to the ue in a network-centered manner, thereby to prevent the ue from frequently acquiring a network environment, and provide the data transmission service to the ue at a low speed or in a stationary state through apgs. ... China Academy Of Telecommunications Technology

Physical downlink control channel transmission method and apparatus

Disclosed are a physical downlink control channel transmission method and apparatus, which are used for achieving, in the case where an initial signal or signalling which indicates an initial position of a physical downlink shared channel is not transmitted, a method in which a physical downlink control channel is used for transmitting and indicating an initial position of a physical downlink shared channel. The method comprises: a terminal determining, according to each candidate time position in a set of candidate time positions and a set of candidate physical downlink control channel/enhanced physical downlink control channel resource positions corresponding to the candidate time position respectively, a physical downlink control channel/enhanced physical downlink control channel bearing downlink control information in an unauthorized frequency band wireless frame; and the terminal receiving the downlink control information by means of the determined physical downlink control channel/enhanced physical downlink control channel.. ... China Academy Of Telecommunications Technology

Control signaling transmission method, control signaling reception method, network device and reception device

The present disclosure relates to the field of communication technology, and provides a control signaling transmission method, a control signaling reception method, a network device and a reception device. The control signaling transmission method includes steps of: acquiring a control instruction for processing a first signal, the first signal carrying a signal for which a reception device is not a target reception device; and transmitting the control instruction to the reception device, the control instruction configured to control the reception device to or not to process the first signal.. ... China Academy Of Telecommunications Technology

Methods and apparatuses for transmitting coding indication information and determining precoding matrix

Methods and apparatuses for transmitting coding indication information and determining a precoding matrix, for use in resolving the problem that the resolution of code words in a codebook generated by using a combination of a beam vector subgroup and column selection cannot be flexibly adjusted. The method comprises: determining first precoding indication information and second precoding indication information, the first precoding indication information corresponding to a first-stage precoding matrix, the second precoding indication information corresponding to a direction weighting vector and a phase adjustment factor, the direction weighting vector being used for performing interpolation processing on parts representing angles corresponding to beam vectors in the all beam vectors in each polarization direction in the first-stage precoding matrix, the phase adjusting factor being used for performing phase adjustment on different polarization directions of the first-stage precoding matrix, and the first-stage precoding matrix, the direction weighting vector, and the phase adjustment factor being used for generating a precoding matrix. ... China Academy Of Telecommunications Technology

Method and device for allocating cell resources of a device to device system

Disclosed are a method and device for allocating cell resources of a device to device (d2d) system, which are used for improving the communication reliability of nodes located in different cell edge areas in an edge area ad hoc network manner. Provided is a method for allocating cell resources of a device to device (d2d) system, comprising: determining an edge area for d2d resource coordination of a cell; and allocating a resource pool to a node in the edge area, wherein the node in the edge area selects a resource from the resource pool in an ad hoc manner for communication, the resource being a time slot or time frequency block.. ... China Academy Of Telecommunications Technology

Interference reporting and resource adjustment method and apparatus

Disclosed are an interference reporting and resource adjustment method and apparatus, the method comprising: a node reporting, when determining that there is interference, interference indication information to a base station, wherein the interference indication information comprises: an interfered resource, and a signal to interference and noise ratio; after receiving the interference indication information, the base station determining, when it is determined that there is interference according to the signal to interference and noise ratio, the other nodes using the interfered resource; and adjusting a resource used by the other nodes, so as to avoid interference. By means of the present invention, resource collision can be reduced, so that the resource adjustment efficiency of a communication system is improved, and the requirements for applications with characteristics of low time delay and high reliability can be met.. ... China Academy Of Telecommunications Technology

Method and apparatus for sending and broadcasting resource information

Disclosed are a method and apparatus for sending and broadcasting resource information, the method comprising: determining a resource used by a second-type node and a resource used by a first-type node, and determining the first-type node receiving a resource coordination message, wherein the first-type node is a node located within a base station signal coverage range, and the second-type node is a node located outside of the base station signal coverage range; and sending the resource coordination message to the determined first-type node, and instructing the first-type node to broadcast the contents of the resource coordination message, wherein the resource coordination message carries resource information about the first-type node and the second-type node. By means of the present application, resource continuity in the process of a node moving on a network coverage edge is guaranteed, resource collision is reduced, and the utilization rate of system resources is improved.. ... China Academy Of Telecommunications Technology

Channel state information feedback method and related device for fd mimo system

The present invention discloses a channel state information (csi) feedback method and related device for an fd mimo system, and is configured to support the scenario in which various csi related information needs to be fed back after a csi measurement in an fd mimo system. The method comprises: a terminal receives a csi feedback configuration group indicated by a base station and configuration information for performing a csi feedback based on the csi feedback configuration group; and the terminal performs a csi measurement and feedback according to the csi feedback configuration group and the configuration information, wherein the csi feedback configuration group comprises at least one csi feedback configuration, and the csi feedback configuration is a downlink signal configuration for a downlink csi measurement and feedback.. ... China Academy Of Telecommunications Technology

Reference signal mapping method and device

A reference signal mapping method and a reference signal mapping device are provided. The reference signal mapping method includes steps of: determining a position of a re to which a csi-rs has been mapped in accordance with an n-port reference signal pattern, n being equal to 12 or 16; and performing a resource mapping operation on the csi-rs in accordance with the determined position of the re. ... China Academy Of Telecommunications Technology

Channel state information feedback and receiving method and device

The present application provides a channel state information (csi) feedback and receiving method and device. The csi feedback method by a ue comprises: determining, according to an indication of a base station, at least one csi feedback configuration group configured by the base station, wherein each csi feedback configuration group comprises at least one csi feedback configuration; and upon determination of a need to report csi, reporting, via a pucch or pusch, to the base station csi acquired based on a first csi feedback configuration, wherein the first csi feedback configuration is a csi feedback configuration determined, according to location information of a csi feedback configuration in the most recent report or location information of a csi feedback configuration indicated by the base station, from a corresponding csi feedback configuration group by the ue. ... China Academy Of Telecommunications Technology

Data transmission method and device

The present invention discloses a data transmission method and device configured to address the problems in lte-u employing the existing channel access mechanism, in which poor channel access capacity is caused, and congestion between ues in the same cell is likely to occur if multiple ues cannot access at the same time. The method comprises: sending, by a communication device, a signal during a gp between a downlink subframe and an uplink subframe to occupy a current channel; and transmitting, by the communication device, data via the current channel. ... China Academy Of Telecommunications Technology

Uplink data transmission method and device

The present invention discloses an uplink data transmission method and device configured to shorten rtt in a transmission condition having a short time slot, thus reducing a user-plane latency and improving the system performance. An embodiment of the present invention provides an uplink data transmission method. ... China Academy Of Telecommunications Technology

Data transmission method and device

The present disclosure relates to the field of wireless communication technology, and provides a data transmission method and a data transmission device, so as to solve the problem in the related art where, for 5g application scenarios, in the case that an uplink scheduling algorithm for a conventional 4g system continues to be used, a large number of control signaling overheads are required due to the meteoric growth in the number of ues to be connected. In the present disclosure, a network side device determines non-orthogonal multiple access basic transmission units allocated to ues, detects a pilot signal from each ue on the corresponding non-orthogonal multiple access basic transmission unit, and in the case that the pilot signal has been detected, performs data detection on the ue which has transmitted the pilot signal through the non-orthogonal multiple access basic transmission unit.. ... China Academy Of Telecommunications Technology

07/19/18 / #20180205439

Channel status information feedback and control method and device

Disclosed are a channel status information (csi) feedback and control method and device. The method comprises: a terminal receives trigger signaling sent by a base station, the trigger signaling being used for instructing the terminal to report csi obtained within a specified measurement window; and the terminal reports the csi that is measured by the terminal within the specified measurement window to the base station. ... China Academy Of Telecommunications Technology

07/05/18 / #20180191526

Method, device and system for transmitting channel state information reference signal

The present disclosure relates to the field of radio communication technology, and provides a method, a device and a system for transmitting a csi-rs, so as to solve the problem in the related art where a small amount of resources are configured to the csi-rs. A network side device selects a re corresponding to a csi-rs pilot resource configuration from pilot resource mapping patterns of the csi-rs within the special subframe, as a re for carrying the csi-rs, and transmit the csi-rs through the selected re.. ... China Academy Of Telecommunications Technology

06/28/18 / #20180184398

Paging method, mobile management entity and terminal

A paging method, an mobile management entity (mme) and a terminal are provided, which relate to the field of communication technology, to reduce signaling overheard of the terminal and prevent the transmission of downlink data from being delayed. The paging method includes steps of: receiving downlink data for a target terminal; and in the case that the target terminal is in an idle state, adopts an extended drx period and is capable of receiving a paging message, initiating a paging request to the target terminal based on the downlink data.. ... China Academy Of Telecommunications Technology

06/21/18 / #20180176855

Information exchange method and device

An information exchange method and device for addressing a coordination problem between different access points (aps) caused by low exchange efficiency between the aps. The information exchange method provided in an embodiment of the present invention comprises: determining, by a transmitting ap, an air interface broadcast resource for transmitting information to a receiving ap; and transmitting, by the transmitting ap and based on the determined air interface broadcast resource, the information to the receiving ap in a broadcast form. ... China Academy Of Telecommunications Technology

06/21/18 / #20180176809

Method, system, and device for transmitting preamble signal and for signal measurement

A method, system, and device for transmitting a preamble signal and for signal measurement, for use in solving the problem found in the prior art that the transmission power of each antenna unit is greatly reduced as a result that each antenna unit transmits one preamble signal and that the complexity of a user equipment is increased when the antenna units are of a great number. The method of embodiments of the present disclosure comprises: a network side device transmits to the user equipment determined csi feedback configurations, where one csi feedback configuration corresponds to one csi-rs resource, and the preamble signal corresponding to each port of the one csi-rs resource is transmitted via one set of antenna unit corresponding to the port. ... China Academy Of Telecommunications Technology

06/07/18 / #20180160402

Control information sending method and receiving method, sender and receiver

Disclosed are a channel state information feedback and a control method and device therefor, which are used for realizing large-scale csi feedback under an antenna system, wherein a ue may only need to feedback some pieces of pmi information, so that the complexity of the ue feeding back csi is reduced, and the flexibility for a network side to control the ue to feed back the csi is better. The channel state information (csi) feedback control method provided in the present application comprises: a base station determining that there is a need to control a user equipment (ue) to feed back csi, the csi at least comprising a first precoding matrix indicator (pmi) and a second pmi, the first pmi and the second pmi corresponding to the same precoding matrix; and the base station sending trigger signaling of csi feedback to the ue, wherein indication information used for instructing whether the ue feeds back the first pmi and/or the second pmi is comprised.. Embodiments of the present application relate to the field of communications, and in particular, to a control information sending method and receiving method, a sender and a receiver, which are used for sending dcis corresponding to dci types to the receiver, thereby improving simplicity of interference suppression performed by the receiver. In the embodiments of the present application, a sender flexibly and optionally sends a first class of dcis and/or a second class of dcis. ... China Academy Of Telecommunications Technology

06/07/18 / #20180159643

Interference information indicating method, and interference cancelling method and device

Disclosed are an interference information indicating method, and an interference cancelling method and device. The interference information indicating method comprises: network equipment determines interference information indicated to a user equipment (ue), the interference information being used for instructing the ue to perform all cancellation, partial cancellation, or no cancellation on interference in a received signal; and the network equipment indicates the interference information to the ue by signaling. ... China Academy Of Telecommunications Technology

05/31/18 / #20180152858

Channel state information feedback method and terminal

A channel state information (csi) feedback method and a terminal are provided to enable the terminal to determine a csi feedback approach based on received information for csi feedback and perform csi measurement and csi feedback. A network device indicates a csi feedback configuration group for csi feedback to the terminal. ... China Academy Of Telecommunications Technology

05/17/18 / #20180138954

Method and device for constraining codebook subset

The embodiments of the present disclosure provide a method and a device for constraining a codebook subset. The method includes steps of: determining codebook subset constraint parameters for all or parts of matrix sets for constructing a codebook respectively, each codebook subset constraint parameter indicating an available matrix in a corresponding matrix set; and transmitting the determined codebook subset constraint parameters to a ue. ... China Academy Of Telecommunications Technology

05/10/18 / #20180132132

Method and device for transmitting data

A method and device for transmitting data, which are used for solving the problems in the prior art that an existing frame structure would increase the user-plane delay of a td-lte system and decrease the system performance. A wireless frame transmitted between a network side device and a terminal comprises a reinforced sub-frame, and the reinforced sub-frame comprises a ul portion and a dl portion. ... China Academy Of Telecommunications Technology

05/10/18 / #20180132086

Data transmission method and device

The present invention relates to the technical field of wireless communications. Particularly disclosed in embodiments of the present invention are a data transmission method and device addressing the problem in the prior art of packet loss resulting from that a ue cannot receive, when transmitting data, data simultaneously transmitted by other ues in a d2d transmission process. ... China Academy Of Telecommunications Technology

05/10/18 / #20180131430

Downlink data repeat transmission method and device

Disclosed in the present invention are a downlink data repeat transmission method and device for addressing a problem in which, when resource mapping is performed in different subframes in a repeat transmission, the numbers of available res are different, and as a result data cannot be combined when performing repeat transmission of multiple subframes. The method comprises: determining a subframe set of a repeat transmission physical downlink channel; in each subframe of the determined subframe set, and when performing a resource mapping on the physical downlink channel, starting mapping from a specific start character position in a first time slot of the current subframe and mapping to all resources except for a resource corresponding to a reference signal used for demodulation; and transmitting the physical downlink channel according to the resource mapping manner.. ... China Academy Of Telecommunications Technology

05/03/18 / #20180124677

Path selection method and device

The present invention relates to the technical field of communications, and particularly relates to a method for selecting a path and device for addressing a problem in which a backhaul requirement of a small station flexibly deployed in a udn cannot be satisfied by a method providing a single-hop backhaul path via pre-configuration or an oam configuration. The path selection method provide in an embodiment of the present application comprises: transmitting, by a first node, a path request message for acquiring a backhaul path from the first node to the target node; and determining, by the first node, at least one backhaul path based on the received path indication message. ... China Academy Of Telecommunications Technology

05/03/18 / #20180124624

Channel state information acquisition method and device

The present disclosure provides a csi acquisition method. A network side device indicates a csi feedback configuration group for aperiodic csi feedback to a ue, and transmits dci to the ue, the dci configured to indicate the ue to perform the aperiodic feedback in accordance with an optimum csi feedback configuration in the csi feedback configuration group.. ... China Academy Of Telecommunications Technology

05/03/18 / #20180123661

Method, system, and device for transmitting coding instruction information and for determining pre-coding matrix

A method, system, and device for transmitting coding instruction information, for use in solving the problem as current codebooks are designed for horizontal beamforming/pre-coding, direct application of the codebooks to a three-dimensional beamforming/pre-coding technology causes performance degradation. The method of embodiments of the present invention comprises: a user equipment determines and transmits to a network side first pre-coding instruction information and second pre-coding instruction information, where a first component pre-coding matrix is a block diagonal matrix, a submatrix on the diagonal is equal to the kronecker product of two matrices, a second component pre-coding matrix is constituted by a weighted column selection vector, with the exception of a p-number of nonzero elements, the remainder of the weighted column selection vector is all zeros, and p is a positive integer. ... China Academy Of Telecommunications Technology

03/29/18 / #20180092154

Method and device for controlling set-up of user-plane bearer (as amended)

Disclosed are a method and device for controlling set-up of a user side bearer, aiming to solve the problem of an unnecessary signaling overhead caused by the fact that a ue initiates a tau process after an sgw deletes cached downlink data of the ue when a timer has timed out, and an mme still initiates a set-up process of a user side between the ue and a base station. The method comprises: in a tracking area updating (tau) process, a mobility management entity (mme) determining that a serving gateway (sgw) needs to send cached downlink data to a terminal ue; and the mme initiating a set-up process of an air interface user side bearer of the ue.. ... China Academy Of Telecommunications Technology

03/22/18 / #20180084457

Method and device for sending and controlling feedback information

Disclosed are a method and device for sending and controlling feedback information, which are used to reduce redundant information in a feedback information sequence so as to decrease transmit power required for feedback information, save required physical resources, improve transmission performance of the feedback information and increase the resource utilization rate of the entire system. A method for sending feedback information provided in the present application comprises: a user equipment (ue) receives indication information sent by a network side and used for indicating a feedback information sequence length; the ue determines a feedback information sequence according to the feedback information sequence length indicated in the indication information; and the ue sends the determined feedback information sequence to the network side.. ... China Academy Of Telecommunications Technology

03/22/18 / #20180083806

Information transmission method and device

An information transmission method is provided, including steps of: in the case that a local end serves as a transmitting end and information for the local end needs to be repeatedly transmitted within a repetition time period containing a plurality of subframes, determining, by the local end, a scrambling code corresponding to each transmission time period of the repetition time period, each transmission time period corresponding to an identical scrambling code; and with respect to each transmission time period, scrambling, by the local end, a bit stream acquired after encoding the information transmitted within the transmission time period using the scrambling code corresponding to the transmission time period, and transmitting, by the local end, the scrambled bit stream to an opposite end.. . ... China Academy Of Telecommunications Technology

03/22/18 / #20180083746

Method and device for detecting data transmission and received signals

The embodiments of the present application relate to the technical field of wireless communications, and in particular to a method and device for detecting data transmission and received signals, which are used for solving the problem in the prior art that it is disadvantageous for signal detection due to the fact that when a receiving end is detected in the scenario that each column of an encoding matrix of pdma corresponds to one layer of data stream, multiple layers of data modulation symbols are superposed. The embodiments of the present application adjust various layers of data modulation symbols modulated by an initial modulation constellation diagram according to a modulation constellation rotating factor corresponding to various layers of data modulation symbols, so that the modulation constellation diagrams corresponding to various layers of data modulation symbols are not superposed, thereby preventing the problem of being disadvantageous for signal detection of a receiving end due to the fact that multiple layers of data modulation symbols are superposed in the scenario that each column of the encoding matrix of pdma corresponds to one layer of data stream; and further improving the system performance.. ... China Academy Of Telecommunications Technology

03/01/18 / #20180062722

Hybrid beamforming transmission method and network device

Disclosed are a channel state information feedback and acquisition method and device. The application comprises: acquiring, by a terminal, a first-dimension downlink reference signal resource, s second-dimension downlink reference signal resources and a first corresponding relationship of the above configured by a network device; measuring, by the terminal and according to the first-dimension downlink reference signal resource, a first-dimension downlink reference signal, and selecting, by the terminal and according to the measured first-dimension pmi and the first corresponding relationship, a resource for measuring a second-dimension downlink reference signal, measuring, according to the resource, the second-dimension downlink reference signal, and feeding back channel state information, wherein the second-dimension reference signal is transmitted after forming a first-dimension beamforming weight. The present disclosure provides a hybrid beamforming transmission method and a network device. The hybrid beamforming transmission method includes steps of: determining, by a network device, a digital-domain beamforming weight matrix for a first ue in accordance with a channel measurement result; determining, by the network device, a set of beamforming weight matrices in accordance with the digital-domain beamforming weight matrix, and transmitting a signal to the first ue in an analog beamforming manner; selecting, by the network device, a beamforming weight matrix from the set of beamforming weight matrices in accordance with a measurement result from the first ue, as an analog-domain beamforming weight matrix for the first ue; and performing, by the network device, hybrid beamforming transmission in accordance with the determined digital-domain beamforming weight matrix and the selected analog-domain beamforming weight matrix.. ... China Academy Of Telecommunications Technology

02/15/18 / #20180049126

Method and apparatus for on-demand mobile device access

Systems and methods are provided for on-demand access. An example network on-demand access method implementable by a device may comprise receiving a wakeup signal by an antenna of the device, deriving power from the received wakeup signal, determining, using the derived power, if the received wakeup signal corresponds to the device, and in response to the determination that the received wakeup signal corresponds to the device, setting the device to an active power mode.. ... China Academy Of Telecommunications Technology

02/15/18 / #20180048958

Determination method and apparatus for preset of audio equalizer (aeq)

Disclosed are a determination method and apparatus for pre-set set parameters of an audio equalizer (aeq), which are used for reducing an overflow phenomenon of fixed-point arithmetic output of all levels of second-order infinite impulse response (iir) filters while frequency response amplitude curves of an aeq remain unchanged, and reducing non-linear distortion, thus reducing total harmonic distortion (thd) of an aeq system. The determination method for pre-set set parameters of an aeq comprises: determining a first frequency point set by utilizing frequency response amplitude curves of an aeq; adjusting the frequency response of frequency response amplitude curves of all levels of second-order iir filters at a frequency point in the first frequency point set, so that the frequency response of the frequency response amplitude curves of all the levels of second-order iir filters at the frequency point in the first frequency point set satisfies a pre-set condition; and adjusting a first parameter set and a second parameter set according to the adjusting variable of the frequency response amplitude curves of all the levels of second-order iir filters, and determining the adjusted first parameter set and the adjusted second parameter set as pre-set set parameters of the aeq.. ... China Academy Of Telecommunications Technology

02/08/18 / #20180041922

Air-interface protocol stack configuration method, data transmission method, air-interface protocol stack configuration device, and data transmission device

The present disclosure provides an air-interface protocol stack configuration method, a data transmission method, an air-interface protocol stack configuration device and a data transmission device. The air-interface protocol stack configuration method includes steps of: configuring an air-interface protocol stack to be used for data transmission in accordance with data transmission characteristics of communication ends for the data transmission; and transmitting configuration information or identification information about the air-interface protocol stack to at least one of the communication ends for the data transmission.. ... China Academy Of Telecommunications Technology

02/08/18 / #20180041314

Data transmission method, feedback information transmission method, and related device

Disclosed in the present invention are a data transmission method, a feedback information transmission method, and a related device, used for providing a solution for transmitting data on an unlicensed frequency band in an lte system. The method comprises: a terminal device, on the basis of a signal/information sent by a network device, determines a starting time of a system wireless sub-frame; the terminal device, on the basis of a system wireless sub-frame n+1 starting time, receives downlink control information, wherein n is the serial number of the system wireless sub-frame; the terminal device, on the basis of the downlink control information, determines in the system wireless sub-frame n the starting time of a service sub-frame m, wherein m is the serial number of the service sub-frame, the starting time of the service sub-frame m being different to the starting time of the system wireless sub-frame n, and the length of the service sub-frame being different to the length of the system wireless sub-frame; and the terminal device receives service data during the service sub-frame m.. ... China Academy Of Telecommunications Technology

02/01/18 / #20180035429

Signal sending method, receiving method and device

Disclosed are a signal sending method, and a receiving method and device. The signal sending method comprises: according to the size of a time-domain resource which has already been acquired or which may be acquired in a target subframe, generating a sending signal matching the size of the time-domain resource; and after the time-domain resource in the target subframe is acquired, sending the sending signal matching the acquired time-domain resource in the target subframe. ... China Academy Of Telecommunications Technology

02/01/18 / #20180035328

Method and device for data transmission

The present disclosure provides a method and a device for data transmission. The method for data transmission includes steps of: determining, by a transmitting end, a protocol layer structure and/or a protocol layer function to be used for uplink/downlink data transmission in accordance with a configuration at a network side, the protocol layer structure and/or protocol layer function configured at the network side being determined in accordance with a transmission requirement of a terminal; and transmitting, by the transmitting end, data in accordance with the determined protocol layer structure and/or protocol layer function.. ... China Academy Of Telecommunications Technology

01/25/18 / #20180026766

Method and apparatus for calibration of an antenna

An antenna calibration method and apparatus, which are used for improving calibration accuracy. In the embodiments of the present invention, sending direction radio frequency channels in an antenna array are grouped into m groups, an intra-group sending calibration pilot frequency sequence of each group of sending direction radio frequency channel is sent at different sending time slots in a time division manner, and along with the decreasing of the quantity of each group of sending direction radio frequency channels, a length of the intra-group sending calibration pilot frequency sequence mapped on each radio frequency channel used for channel estimation is increased, thereby improving the accuracy of an inter-channel compensation factor of each determined sending direction radio frequency channel.. ... China Academy Of Telecommunications Technology

01/11/18 / #20180013471

Method and device for determining codebook

The present disclosure provides methods and devices for determining a codebook. The method for determining a codebook includes steps of: configuring for a ue a codebook determination parameter in accordance with an antenna array parameter adopted by a base station; and transmitting the codebook determination parameter to the ue to instruct the ue to determine the codebook in accordance with the codebook determination parameter.. ... China Academy Of Telecommunications Technology

01/04/18 / #20180006784

Methods and devices for transmitting and receiving pilot signal

The present disclosure provides methods and devices for transmitting and receiving a pilot signal, so as to reduce the number of antenna ports for transmitting the pilot signal and reduce pilot resource consumption. The method for transmitting the pilot signal includes: generating, by a base station, a pilot signal formed by a wide beam and a pilot signal formed by a plurality of narrow beams; and transmitting, by the base station, the pilot signals to a ue through at least one pre-configured first antenna port and at least one pre-configured second antenna port, the pilot signal formed by the wide beam being transmitted through the first antenna port, and the pilot signal formed by the plurality of narrow beams being transmitted through the second antenna port.. ... China Academy Of Telecommunications Technology

12/28/17 / #20170373791

Spatial layered transmission method and device

The present application provides a spatial layered transmission method and a spatial layered transmission device. The spatial layered transmission method includes steps of: dividing to-be-transmitted data into at least two layers of spatial data; determining a symbol rate for each layer of spatial data, to enable an error between sers for the layers of spatial data to be smaller than a predetermined error threshold; and encoding each layer of spatial data in accordance with the determined symbol rate, and transmitting the encoded layer of spatial data.. ... China Academy Of Telecommunications Technology

12/14/17 / #20170359855

Method, device and system for transmitting data packet

Embodiments of the present application relate to the technical field of wireless communications, and in particular, to a method, a device and a system for transmitting a data packet, which are used to resolve the problem existing in the prior art that an lte network structure causes a signaling burden on a backhaul between a radio access network and a core network and causes a transmission delay on the backhaul. In the embodiments of the present application, a control point sends a data packet that is from at least one base station to an access network gateway or a core network gateway; and a data packet that is from the access network gateway or the core network gateway is sent to the at least one base station, the control point being a connection control point of a terminal and a mobility control point of the terminal. ... China Academy Of Telecommunications Technology

12/14/17 / #20170359822

Method, device and system for transmitting uplink information

Disclosed are a method, device and system for transmitting uplink information, which are used for solving the problem that the existing ue uplink transmission mechanism may increase the load of a macro enb and increase the uplink interference among ues, and is not beneficial to power saving of ues. The method in the embodiments of the present application comprises: a macro enb determining an uplink transmitting node used for receiving uplink information about a ue this time from a transmission node connected to the ue; determining the effective time of the uplink transmission node determined this time; and after the effective time of the uplink transmitting node determined this time has arrived, receiving the uplink information sent by the ue through the uplink transmitting node determined this time. ... China Academy Of Telecommunications Technology

12/07/17 / #20170353906

Method and device for data transmission

A method and a device for data transmission are provided. A transmission device determines a plurality of wireless links through which data is to be transmitted between the transmission device and a reception device, and transmits physical-layer transmission blocks including identical data packets to the reception device through the determined wireless links.. ... China Academy Of Telecommunications Technology

11/30/17 / #20170347365

Method and device for performing carrier scheduling

Embodiments of the present application relate to the technical field of wireless communications, and in particular, to a method and a device for performing carrier scheduling, which are used to perform scheduling for an unlicensed carrier. In the embodiments of the present application, a terminal performs uplink channel measurement in an uplink subframe or an uplink measurement time period of an unlicensed carrier, to determine uplink channel quality information, and/or performs downlink channel measurement in a downlink subframe of the unlicensed carrier, to determine downlink channel quality information; and the terminal notifies a network side device of the determined uplink channel quality information, and the network side device determines, according to the received uplink channel quality information, whether to perform uplink scheduling on the terminal on the unlicensed carrier, and the terminal notifies the network side device of the determined downlink channel quality information, so that the network side device determines, according to the received downlink channel quality information, whether to perform downlink scheduling on the terminal on the unlicensed carrier. ... China Academy Of Telecommunications Technology

11/23/17 / #20170339722

Method and device for transmitting downlink data

The embodiments of the present invention relate to the technical field of wireless communications, and particularly to a method and device for transmitting downlink data, so as to solve the problems of bringing about great signaling burden and waiting delay in the case where data transmission solution is performed with regard to burst small data packet transmission existing in the prior art. In the embodiments of the present invention, after receiving a first type data packet from an sgw, a base station sends a paging message carrying a terminal identifier in the first type data packet; and after a terminal performs random access, a second type data packet obtained by de-encapsulating the first type data packet is sent to the terminal. ... China Academy Of Telecommunications Technology

11/23/17 / #20170339719

Channel monitoring method and device

The present disclosure provides a channel monitoring method and a channel monitoring device, to achieve the channel resource contention for an lte system in the case that it operates on an unlicensed carrier. The channel monitoring method includes steps of: determining, by a device, a starting time point of cca detection for monitoring a channel before data transmission and a required duration within which a cca detection result indicates that the channel is clear; and monitoring, by the device, the channel on an unlicensed frequency band in accordance with the starting time point and the required duration.. ... China Academy Of Telecommunications Technology

11/23/17 / #20170339568

Drb mapping method and apparatus

Disclosed are a drb mapping method and apparatus. The method in the embodiments of the present invention comprises: a network device and a terminal determining a drb mapping manner, wherein the drb mapping manner refers to whether a drb is allowed to be mapped onto a licensed frequency band carrier and/or is allowed to be mapped onto an unlicensed frequency band carrier; and the network device and the terminal sending service data of the drb on a designated carrier according to the determined drb mapping manner. ... China Academy Of Telecommunications Technology

11/23/17 / #20170339012

Network perception based service policy configuration method and network device

Disclosed are a network perception based service policy configuration method and network device, the method comprising: acquiring network perceived information of a first node; establishing an environment information map of the first node according to the network perceived information; acquiring characteristic information of the first node; configuring a service policy for the first node according to the characteristic information of the first node and the environment information map, thus configuring the service policy for the network node according to the network perceived information and the node characteristics.. . ... China Academy Of Telecommunications Technology

11/23/17 / #20170338878

Channel state information measurement method, channel state information acquisition method, terminal and network device

A csi measurement method, a csi acquisition method, a terminal and a network device are provided, to measure csi. The terminal performs interference measurement to acquire initial interference measurement result, determine the csi based on the initial interference measurement result and an interference measurement parameter configured by the network device, and then report the determined csi to the network device. ... China Academy Of Telecommunications Technology

11/16/17 / #20170332388

Data channel scheduling method, device and system

The present disclosure provides a data channel scheduling method, a data channel scheduling device and a data channel scheduling system. The data channel scheduling method includes steps of: configuring for a ue a set of serving cells; configuring for the ue a first serving cell and a second serving cell corresponding to each serving cell in the set of serving cells; transmitting a first pdcch to the ue on the first serving cell corresponding to a third serving cell for scheduling the third serving cell to perform downlink data transmission with the ue; and transmitting a second pdcch on the second serving cell corresponding to the third serving cell to the ue for scheduling the third serving cell to perform the uplink data transmission with the ue. ... China Academy Of Telecommunications Technology

11/16/17 / #20170332379

Data transmission method and device in unlicensed frequency band

The present invention relates to the technical field of mobile communications. Embodiments of the present invention provide a data transmission method and device in an unlicensed frequency band. ... China Academy Of Telecommunications Technology

11/16/17 / #20170332265

Mobile communication method, device and system

Disclosed are a mobile communication method, device and system, which are used for solving the problem where a traditional mobile communication network is unable to satisfy the requirements of a future 5g network. The system comprises: a user equipment (ue) for sending an uplink signal; at least one access point (ap) for monitoring the uplink signal sent by the ue adjacent thereto, obtaining first reporting information according to the uplink signal, and sending the first reporting information to a local service centre to which the access point belongs for processing; and the local service centre being used for processing the first reporting information.. ... China Academy Of Telecommunications Technology

10/26/17 / #20170311339

Data transmission method and apparatus

Disclosed are a data transmission method and apparatus. In embodiments of this application, a virtual cell comprising multiple cells can be configured, and data transmission can be implemented by time-division multiplexing among the cells, so that transmission carriers for a terminal service can be flexibly adjusted. ... China Academy Of Telecommunications Technology

10/26/17 / #20170311251

Communications method, device, and system

A communications method, device, and system for solving the connection and communications efficiency problem due to the presence of a large number of cells. The method comprises: a first local controller determines that a user equipment needs to establish a data bearer; data bearer configuration information for transmitting user data is generated; the data bearer configuration information is transmitted to a first local gateway and/or at least a first small base station, so that the network element entity that has received the data bearer configuration information establishes a data transmission channel according to the data bearer configuration information, the user equipment belonging to the first local controller and the first local gateway, the first small base station providing services to the user equipment.. ... China Academy Of Telecommunications Technology

10/12/17 / #20170294989

Method and device for data transmission

Embodiments of the present application relate to the technical field of wireless communications, and particularly to a method and device for data transmission, which are used to solve the problem in the prior art that a retransmission mechanism of an lte system can meet general requirements for delay and reliability of the lte but cannot meet higher requirements for delay and reliability caused by the application of new services. The method in the embodiments of the present invention comprises: a receiving side receives data from a sending side through multiple paths, the received data of each path being identical; and the receiving side performs multi-path data combination on the received data. ... China Academy Of Telecommunications Technology

10/05/17 / #20170290015

Method, device, base station and ue for uplink transmission main carrier switch and control

A method, device, base station and ue for uplink transmission main carrier switch and control enable the uplink transmission main carrier of the ue to switch among multiple different cells providing service for the ue, enhance the transmission flexibility of the uplink transmission main carrier of the ue, and at the same time take account of the transmission requirements of transmission power and ue services. The method for uplink transmission main carrier switch and control includes: determining the transmission resources of the cell set used for providing service for the ue, the transmission resources being configured for the user equipment (ue), wherein the transmission resources includes the configured resources of uplink transmission carrier of multiple cells, the transmission resources being used for enabling the uplink transmission main carrier of ue to switch among the uplink transmission carriers corresponding to different cells; informing the ue of the transmission resource of the cell set.. ... China Academy Of Telecommunications Technology

10/05/17 / #20170290009

Method and device for information submission and resource allocation in internet of vehicles

Embodiments of the present application are for use in solving the problem of high probability of collisions occurring among existing node devices. Disclosed are a method and device for information submission and resource allocation in the v2x system. ... China Academy Of Telecommunications Technology

09/14/17 / #20170265199

Method for detecting data transmission and data reception, and base station and user device

A non-orthogonal method for detecting data transmission and data reception, and base station and user device, relating to communication technology; when the base station sends data, first multiplying a plurality of data by means of by a weighted value and/or implementing conjugate processing, then mapping the data onto physical resources, the amount thereof being no greater than the amount of data, each data in the plurality of data resources being mapped to at least one physical resource, and the amount of physical resources each data is mapped to not being completely the same; and then sending the data on the physical resources, thereby sending more data by means of less physical resources, improving the data transmission capacity of a communication system.. . ... China Academy Of Telecommunications Technology

08/24/17 / #20170244468

Relay terminal reselection method and device

Disclosed are a relay terminal reselection method and device. A control node performs relay terminal reselection judgement for a source terminal according to a reselection triggering condition of a relay terminal, and if deciding to perform relay terminal reselection, the control node determines a candidate relay terminal list for the source terminal and determines a destination a destination relay terminal for the source terminal from the candidate relay terminal list according to auxiliary information, wherein the control node is the source terminal or a source relay terminal, such that when in the moving process of the source terminal, a target node and the source relay terminal, the source relay terminal is no longer suitable to be used as a relay terminal, the source terminal or the source relay terminal can reselect a relay terminal for the source terminal.. ... China Academy Of Telecommunications Technology

08/17/17 / #20170238246

Access method and device in heterogeneous network

Disclosed are an access method and device in a heterogeneous network for solving the problem that, in network selection of a heterogeneous wireless network, a user can only enjoy at any one time the service of one network and cannot simultaneously enjoy the services of different networks, the method comprising: dividing access points capable of providing a service for a user equipment (ue) into at least one competition group; and determining the access overhead of the competition group, and selecting for the ue, according to the determined access overhead of the competition group, a target competition group from the competition groups for accessing. A network multi-path routing and traffic distribution model is established, such that the ue can select different access methods, thus providing a new traffic operation mode for network development.. ... China Academy Of Telecommunications Technology

08/03/17 / #20170223729

D2d communication method and device

Disclosed are a d2d communication method and device. The method comprises: sending a. ... China Academy Of Telecommunications Technology

08/03/17 / #20170223625

Wireless network access control method, device and system

A wireless network access control method is provided. After an rrc connection is established between a first base station and a ue, a radio bearer for the ue is established in accordance with a service request from the ue. ... China Academy Of Telecommunications Technology

08/03/17 / #20170222707

Channel state information feedback method, device and system

The present disclosure provides a csi feedback method, a csi feedback device and a csi feedback system. The csi feedback method includes steps of: configuring, by a network side device, a first downlink channel measurement pilot for a ue; and receiving, by the network side device, first pmi information fed back by the ue. ... China Academy Of Telecommunications Technology

07/27/17 / #20170215125

Bearer admission control method and bearer admission control apparatus

The bearer admission control method includes: when an menb needs to perform bearer separation with an senb with respect to an identical ue, sending, by the menb, an senb addition request message to the senb, the senb addition request message carrying information about a list of e-rabs corresponding to the ue to be admitted by the senb and indication information indicating whether or not data is to be distributed for the bearer in a specific direction, the specific direction being an uplink or a downlink direction; and receiving, by the menb, a feedback message from the senb to acquire a bearer admission result of the senb, configuring, by the menb, connection for the ue in the case that the menb has accepted the bearer admission result of the senb, and otherwise, sending, by the menb, a message for rejecting the bearer admission result of the senb to the senb.. . ... China Academy Of Telecommunications Technology

07/27/17 / #20170214447

Method and apparatus for determining three-dimensional beam pre-coding information

The embodiments of the present invention relate to the field of wireless communications, and more particularly, to a method and apparatus for determining three-dimensional beam pre-coding information so as to perform three-dimensional beam forming. In the embodiments of the present invention, a network device first determines a first optimal beam forming vector, and then determines a second optimal beam forming vector from a second beam forming vector set corresponding to the first optimal beam forming vector and performs channel measurement via a formed pilot to determine optimal pre-coding information about a second dimension. ... China Academy Of Telecommunications Technology

07/20/17 / #20170208506

Mobile communication system, local access server and network controller

The present disclosure provides a mobile communication system, including: a local access server configured to achieve a multi-rats coordination function, a local access function and distributed network control; a network control function including a communication control function for communication control and a policy control function for policy control; and a network controller configured to establish and configure a forwarding path.. . ... China Academy Of Telecommunications Technology

06/29/17 / #20170188294

Method and apparatus of transmitting discovery signal, method and apparatus of discovering cell

The method of transmitting a discovery signal according to an embodiment of the present disclosure includes: determining whether a channel in an unlicensed frequency band is idle; transmitting the discovery signal in the channel in the unlicensed frequency band during a current cycle of a discovery signal transmission period if the channel in the unlicensed frequency band is determined to be idle; and not transmitting the discovery signal in the channel in the unlicensed frequency band during the current cycle if the channel in the unlicensed frequency band is determined to be not idle.. . ... China Academy Of Telecommunications Technology

06/22/17 / #20170180064

Channel state information measurement method and device, and signal transmission method and device

The present disclosure provides a csi measurement method and a csi measurement device. The csi measurement method includes steps of: receiving channel state measurement information from a network side, the channel state measurement information including a crs from a set of crs ports corresponding to vertical beams having an identical vshift parameter mode in a vertical dimension, the vshift parameter mode being configured to determine shift values of crs patterns in different vertical beams in the vertical dimension in a frequency domain; and performing csi measurement in accordance with the channel state measurement information.. ... China Academy Of Telecommunications Technology

06/01/17 / #20170155484

Method, system and device for data transmission

According to embodiments of the present disclosure, a transmitting device processes the signals transmitted by one or more ues, maps the non-orthogonal characteristic patterns for the processed signals for the one or more ues so as to superpose the signals for different ues on the corresponding radio resources, and transmits the processed signals for the one or more ues in accordance with a mapping result.. . ... China Academy Of Telecommunications Technology

05/18/17 / #20170142770

Data packet processing method and device

Provided are a data packet processing method and device, which are used for solving the problem of how to process a pdcp sdu data packet of a split bearer in the process of normally transmitting the pdcp sdu data packets of the split bearer based on a bearer splitting scenario and when an auxiliary enb providing a service for the split bearer changes, thereby increasing the working efficiency of aggregating enbs and the utilization rate of resources. The method of the present application comprises: determining transmission information about each packet data convergence protocol (pdcp) service data unit (sdu) data packet of a bearer in a bearer splitting scenario which is being transmitted; and processing the data packet according to the transmission information about each data packet.. ... China Academy Of Telecommunications Technology

05/11/17 / #20170135106

Frequency spectrum allocation method, device and system

Disclosed are a frequency spectrum allocation method, device and system, so that a specific frequency spectrum allocation solution is provided for an application scenario of a multi-operator/perception system sharing a frequency spectrum. The method comprises: receiving first system throughputs which are reported by servers belonging to different operators and are determined by the servers on each frequency spectrum reference unit, wherein an available frequency spectrum is divided into a plurality of frequency spectrum reference units; and for each frequency spectrum reference unit, according to the first system throughput which is reported by the server of each operator on the frequency spectrum reference unit, allocating the frequency spectrum reference unit to the operator of which the value of the first system throughput is the maximum, thereby improving the usage efficiency of the available frequency spectrum.. ... China Academy Of Telecommunications Technology

04/20/17 / #20170111914

Base station frequency resource allocation method and network device

Disclosed is a base station frequency resource allocation method, for achieving proper allocation of base station frequency resources to avoid or reduce inter-cell interference. The method comprises: determining each basic frequency resource in each allowed operating band conforming to selectable operating bandwidth of a cell; determining a frequency priority coefficient of each basic frequency resource, the frequency priority coefficient representing interference from each neighboring cell that is adjacent to the cell in location with the cell in the basic frequency resource, and/or load of each neighboring cell in the basic frequency resource; and allocating frequency resources to the cell according to the frequency priority coefficients of the basic frequency resources. ... China Academy Of Telecommunications Technology

04/13/17 / #20170105164

Method and apparatus for determining a communication path (as amended)

Disclosed are a communication path determination method and device, which solve the problems of low transmission efficiency and long transmission time delay which may be caused by the existing path which is configured for a small cell needing to access a network for directly communicating through a wireless channel between the small cell and a macro base station. The method comprises: when a wireless node needs to access a network, acquiring, by the wireless node, an optimal communication path from same to the network; and communicating, by the wireless node, with the network through the acquired optimal communication path, wherein the optimal communication path indicates the wireless node to access the network through at least one auxiliary node, and at least one of the at least one auxiliary nodes is a wired node which is directly connected to the network. ... China Academy Of Telecommunications Technology

03/23/17 / #20170086110

Data transmission method and device, and data transmission control method and device

A data transmission method, a data transmission device, a data transmission control method and a data transmission control device are provided to adjust measurement gap configurations for multiple base stations communicating with an identical user equipment (ue), thereby preventing packet loss during measurement performed by the ue. The data transmission control method includes: determining, by a source base station communicating with the ue, a measurement gap configuration used by the source base station; and transmitting, by the source base station, the measurement gap configuration to the ue and a target base station communicating with the ue, to instruct the target base station and the ue to perform data transmissions in accordance the measurement gap configuration.. ... China Academy Of Telecommunications Technology

03/16/17 / #20170078071

Method, system and device for determining reference subframe

The present disclosure provides a method, a system and a device for determining a reference subframe. According to the embodiments of the present disclosure, with respect to one downlink csi measurement subframe set, the ue determines a serial number of a downlink a-csi reference subframe in the downlink csi measurement subframe set in accordance with a predetermined rule, and determines the downlink a-csi reference subframe in accordance with the determined serial number of the downlink a-csi reference subframe.. ... China Academy Of Telecommunications Technology

03/16/17 / #20170077602

Active antenna associated device and system, and transmitting and receiving calibration method

An active antenna associated device and system, and a transmitting and receiving calibration method, used for implementing extensible design of an antenna array, reducing construction implementation difficulty, and ensuring construction implementation reliability. The active antenna unit comprises: n active antenna arrays, a main calibration coupling circuit unit, a transmitting and receiving calibrating unit, a calibration parameter storage unit, and a radio over fiber (rof) photoelectric conversion unit, wherein n is larger than 1. ... China Academy Of Telecommunications Technology

03/02/17 / #20170064660

Synchronization processing method and user equipment

The present disclosure provides a synchronization processing method and a ue, so as to improve synchronization accuracy between the ue outside a coverage area and a ue within the coverage area. The synchronization processing method includes steps of: determining, by the ue outside the coverage area, a synchronization resource starting position of the ue within the coverage area after the ue outside the coverage area has detected a synchronization signal from the ue within the coverage area; determining, by the ue outside the coverage area, its own synchronization resource starting position in accordance with the synchronization resource starting position of the ue within the coverage area; and transmitting, by the ue outside the coverage area, a synchronization signal in accordance with its own synchronization resource starting position and its own synchronization resource period. ... China Academy Of Telecommunications Technology

02/16/17 / #20170048150

Method for processing data packet of rlc layer and rlc entity

Disclosed are a method for processing a data packet of an rlc layer and an rlc entity, which are used for solving the problem existing in the prior art that a receiving end incorrectly discards a data packet because the receiving end in d2d communication may not start receiving from a first data packet sent by a sending end when receiving data. The method comprises: according to a serial number (sn) of a received first data packet, setting, by an rlc entity, initial values for a vr (uh) state variable and a vr (ur) state variable of an rlc layer; and according to the sn of the currently received data packet and current values of the vr (uh) state variable and the vr (ur) state variable which are configured in the rlc layer, conducting, by the rlc entity, processing on the currently received data packet, and updating the current values of the vr (uh) state variable and the vr (ur) state variable.. ... China Academy Of Telecommunications Technology

02/09/17 / #20170041931

Method and device for scheduling resources in internet of vehicles system

The present disclosure provides a method and a device for scheduling resources in an internet of vehicles system, to centrally allocate timeslot resources in the internet of vehicles system at a network side. The method includes: receiving, by a scheduling device, information of a geographical area reported by a first node and corresponding to the first node; and determining, by the scheduling device, timeslot resources capable of being scheduled within the geographical area reported by the first node, and allocating a timeslot resource from the determined timeslot resources for the first node. ... China Academy Of Telecommunications Technology

02/02/17 / #20170033856

Method, system and device for measuring channel state information

The present disclosure relates to the field of wireless communication technology, in particular to a method, system and device for measuring csi, so as to solve the problem in the related art where, on the premise that a massive mimo technology plays to its strengths, a csi measurement and feedback mechanism on the basis of a downlink reference signal may lead to obvious time-frequency resource overhead. The method includes steps of: transmitting, by a network side device, a group of reference signals which have been beamformed to a user equipment (ue), so as to enable the ue to measure the reference signals, each reference signal in the group of reference signals corresponding to a space in a sector; and determining, by the network side device, whether or not a beamforming mode for each reference signal is to be adjusted in accordance with feedback information from the ue. ... China Academy Of Telecommunications Technology

01/26/17 / #20170026192

Method and device for processing interruption of group communication service

Disclosed are a method and device for processing the interruption of a group communication service, which are used for adjusting a continuity parameter of a group communication service after the interruption of the group communication service occurs, so as to ensure the continuity of a subsequent group communication service. The method for processing the interruption of a group communication service provided in the embodiments of the present application comprises: receiving, by a network side, recording information about the continuity of a group communication service which is reported by at least one user equipment (ue), wherein the recording information about the continuity of the group communication service comprises recording information about the continuity of the group communication service during the interruption of the group communication service in the case where the ue is switched between a unicast transmission manner and a multicast transmission manner or the ue is switched between cells; and according to the recording information about the continuity of the group communication service which is reported by at least one ue, judging, by the network side, whether a continuity parameter of the group communication service is adjusted.. ... China Academy Of Telecommunications Technology

01/19/17 / #20170019893

Method and device for triggering buffer state reporting bsr

Embodiments of the present invention provide a method and device for triggering buffer state reporting (bsr), which relate to the wireless communication field and are used to solve the problem of lacking a triggering mechanism for device-to-device communication padding buffer state reporting (d2d padding bsr) in the prior art. In an embodiment of the present invention, a user equipment determines the size of padding resources when organizing a device-to-network-link media access control layer protocol data unit (d2n mac pdu), and decides whether to trigger the d2d padding bsr or not according to the size of the padding resources and the priority of the padding buffer state reporting media access control layer control element carrying the device-to-device communication (d2d padding bsr mac ce), thereby the d2d padding bsr triggering mechanism is achieved.. ... China Academy Of Telecommunications Technology

01/19/17 / #20170019822

Method and device for indicating d2d related information and determining d2d transmission resource

A method and device for indicating d2d related information and determining d2d transmission resources, the method comprising: transmitting to a target base station a switching request message after determining cell switching for a device to device user equipment (d2d ue), the switching request message comprising d2d related information of the d2d ue; receiving a switching command transmitted by the target base station, the switching command comprising the resource allocation type and/or d2d transmission resource for the d2d ue in a target cell determined by the target base station based on the d2d related information; and transmitting the determined resource allocation type and/or d2d transmission resource to the d2d ue. The present invention solves the existing problem of how to determine d2d transmission resources during cell switching for a ue in d2n connection state.. ... China Academy Of Telecommunications Technology

01/05/17 / #20170006653

Resource allocation method and equipment for device-to-device signal transmission

The present disclosure provides a resource allocation method and a resource allocation equipment for d2d signal transmission. The resource allocation method includes steps of: determining, by a base station, a resource allocation mode to be adopted by a ue, the resource allocation mode including a network scheduling mode and a ue autonomous selection mode; and transmitting, by the base station, configuration information to the ue, the configuration information including at least one of: indication information indicating whether or not the ue is permitted to determine a resource in accordance with the network scheduling mode and/or ue autonomous selection mode, qos information of a d2d service corresponding to each resource allocation mode, and resource allocation information for determining the resource in the case that the ue adopts the ue autonomous selection mode.. ... China Academy Of Telecommunications Technology

01/05/17 / #20170006649

Data transmission method and device in device to device communication

Disclosed are a data transmission method and device for device to device (d2d) communication, the method comprising: determining d2d communication destinations corresponding to a user equipment (ue) of a transmitting end; allocating a corresponding resource for each d2d communication destination; according to the resource corresponding to each d2d communication destination, generating a medium access control protocol data unit (mac pdu) corresponding to the d2d communication destinations, and transmitting the mac pdus using the resource corresponding to the d2d communication destinations. The present invention separately generates a mac pdu for each d2d communication destination of a ue of a transmitting end, thus preventing the data from one device to different d2d communication destination devices from being multiplexed into one mac pdu, further reducing header overhead of the mac pdu and eliminating unnecessary blind detection of a device of a receiving end, thereby saving power.. ... China Academy Of Telecommunications Technology

01/05/17 / #20170006626

Data transmission method, base station, and user equipment

Disclosed is a data transmission method. In one aspect, the method comprises: a base station detecting a preset frequency band, and determining whether an idleness of a first time period exists in a subframe p of the preset frequency band in a preset time segment; and if the detection result is yes, a base station scheduling data on n consecutive subframes starting from a following subframe of the subframe p and transmitting the data, and setting a last symbols of a last subframe among the n consecutive subframes to be idle, n and a being both positive integers. ... China Academy Of Telecommunications Technology

01/05/17 / #20170006426

Method and apparatus for selecting a positioning scheme, method and apparatus for controlling a positioning scheme to be selected

The present invention provides a method and device for transmission on unlicensed spectrum in a ue and a base station. In view of the problem of dfs constraints and phich resource waste that is caused by communication of an uplink synchronous harq on unlicensed spectrum, in the present invention, logical information is configured so that puschs transmitted through different sub-frames on different physical carriers form one logical carrier, and phich resources are reserved for the logical carrier. ... China Academy Of Telecommunications Technology








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