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Telefonaktiebolaget L M Ericsson patents


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

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Method and system for base station change of packet switched communications in a mobile communications system

The present disclosure relates to a method in a mobile station for base station change from a source base station to a target base station in a cellular radio network. The base station transfers packet switched communications between the mobile station and the network, and the method comprises receiving a handover command message from the source base station at the mobile station. ... Telefonaktiebolaget L M Ericsson

Method and device of resource allocations for scheduling assignments in device to device communications

. . Methods and devices for scheduling assignment resource patterns determining are provided. Mappings of scheduling assignment resource patterns to scheduling assignment resource pool in a device to device, d2d, communication network are given. ... Telefonaktiebolaget L M Ericsson

Homodyne receiver calibration

There is disclosed mechanisms for calibrating a homodyne receiver in a signal distribution network for time division duplex; a corresponding method is performed by a baseband calibration module. The method comprises acquiring a transmission signal being input to a homodyne transmitter of the signal distribution network; acquiring, from a heterodyne transmitter observation receiver of the signal distribution network, a first received version of the transmission signal; acquiring, from a homodyne receiver of the signal distribution network, a second received version of the transmission signal; and, calibrating the homodyne receiver using a comparison of the first received version of the transmission signal and the second received version of the transmission signal, using the first received version of the transmission signal as a reference signal, and using the transmission signal as a calibration signal.. ... Telefonaktiebolaget L M Ericsson

Notification of delivery of a rrlp multilateration timng advance request message to a base station subsystem (bss)

The present disclosure describes various techniques for enabling a serving gprs support node (sgsn) to provide a base station system (bss) with an indication that a logical link control (llc) protocol data unit (pdu) sent to a given wireless device contains a radio resource location services protocol (rrlp) multilateration timing advance request message such that the bss after transmitting the llc pdu to the given wireless device may invoke timing advance estimation algorithms for reception of uplink packet associated control channel (pacch) acknowledgement block(s) (e.g., extended coverage (ec)-pacch acknowledgment block(s)) from the given wireless device.. . ... Telefonaktiebolaget L M Ericsson

Notification of ongoing multilateration timing advance (mta) procedure to a serving gprs support node (sgsn)

The present disclosure describes various techniques for enabling a base station system (bss) to provide a serving gprs support node (sgsn) with an indication, e.g., in the form of a flag or a timer, within a bss general packet radio service (gprs) protocol (bssgp) position-command protocol data unit (pdu) that a target wireless device is to perform a multilateration timing advance (mta) procedure. The sgsn upon receipt of the bssgp position-command pdu with the indication, e.g., in the form of a flag or a timer, can start a timer during which the sgsn will suspend downlink data delivery and paging to the target wireless device while the target wireless device is performing the mta procedure.. ... Telefonaktiebolaget L M Ericsson

Configuration of coordinated multipoint transmission hypotheses for channel state information reporting

A system and method for providing an enodeb with the flexibility to configure a channel state information (csi) report to match a specific coordinated multipoint (comp) transmission hypothesis, which is a candidate for a downlink transmission to a user equipment (ue) is disclosed. A ue receives, from the enodeb, a configuration message that specifies a csi report. ... Telefonaktiebolaget L M Ericsson

Assignment messages acknowledging access attempt without assigning resources

A mobile station (ms), a base station subsystem (bss), and various methods are described herein that enable the ms to receive acknowledgement of an access attempt for performing a multilateration timing advance (mta) procedure using the access burst method without also being assigned resources.. . ... Telefonaktiebolaget L M Ericsson

Assignment messages acknowledging access attempt without assigning resources

A mobile station (ms), a base station subsystem (bss), and various methods are described herein that enable the ms to receive acknowledgement of an access attempt for performing a multilateration timing advance (mta) procedure using the access burst method without also being assigned resources.. . ... Telefonaktiebolaget L M Ericsson

Assignment messages acknowledging access attempt without assigning resources

A mobile station (ms), a base station subsystem (bss), and various methods are described herein that enable the ms to receive acknowledgement of an access attempt for performing a multilateration timing advance (mta) procedure using the access burst method without also being assigned resources.. . ... Telefonaktiebolaget L M Ericsson

Switched mode power supply compensation loop

A controller for controlling an output voltage of a switched mode power supply (smps) comprising a sampling module arranged to sample a signal indicative of the output voltage of the smps at a frequency higher than a switching frequency of the smps, and a filter module arranged to filter out a ripple component of the sampled signal, comprising: a ripple component estimation module arranged to estimate the ripple component by calculating, for each sample of a plurality of the samples of the signal, an average sample value using the sample value and sample values obtained at corresponding points in preceding switching periods of the smps, the sample at each of said corresponding points being separated from said sample of the plurality of samples by a respective integer number of switching periods of the smps. The controller further comprises a subtraction module arranged to subtract the estimated ripple component from the sampled signal to generate a filtered signal, and a switching control module arranged to generate a control signal for controlling at least one of the switching frequency and a switching duty cycle of the smps based on the filtered signal.. ... Telefonaktiebolaget L M Ericsson

Managing service availability in a mega virtual machine

According to some embodiments, a virtual machine manager is operable to manage a virtual machine (vm) that spans a plurality of hardware appliances. The virtual machine manager receives a request to provide a service to a device, selects an application instance to provide the service to the device, and forwards the request for the service to the selected application instance. ... Telefonaktiebolaget L M Ericsson

Uplink multi-tti scheduling in tdd system

Systems and methods are disclosed for transmission and reception of an uplink grant during a gap created in radio resources assigned by a previous multiple transmit time interval (multi-tti) uplink grant in a system operating according to a time division duplexing (tdd) scheme. In one embodiment, a method of operation of a radio network node in a cellular communications network is provided. ... Telefonaktiebolaget L M Ericsson

Cellular base station and method of operation

A method of operating a base station in a cellular communications network, in which radio resource control (rrc) connected user equipment devices can be kept synchronized with the cell on the uplink or become unsynchronized. The method comprises determining whether a specified condition within a cell served by the base station is fulfilled, and, in response to determining whether the specified condition is fulfilled, determining whether rrc connected user equipment devices should be kept uplink synchronized with the cell, or whether rrc connected user equipment devices should be allowed to become uplink unsynchronized. ... Telefonaktiebolaget L M Ericsson

Flexible spectrum support in cellular wireless communications

Systems and methods for flexible spectrum, or bandwidth, support in a cellular communications network are disclosed. In one embodiment, a base station for a cellular communications network is configured to transmit a non-standardized bandwidth carrier and information that identifies a standardized bandwidth and additional information that, together with the information that identifies the standardized bandwidth, defines a non-standardized bandwidth of the non-standardized bandwidth carrier. ... Telefonaktiebolaget L M Ericsson

06/07/18 / #20180160438

Method and arrangement in a telecommunication system

The present invention relates to a method in a cellular communication system, for avoiding errors in a harq process, wherein an ndi flag is used both for indicating either semi-persistent scheduling, sps activation or sps retransmissions, and also for indicating, by toggling of the flag, a new transmission in dynamic scheduling mode. The method comprises the steps of receiving, in a scheduling message, an indication that dynamically scheduled transmission will take place; if a semi persistent resource has occurred for the same harq process since a previously received indication for dynamically scheduled transmission, then considering the ndi flag to be toggled regardless of the value of the ndi flag. ... Telefonaktiebolaget L M Ericsson

05/24/18 / #20180146399

Session transfer in a communication network

A method and apparatus for transferring a session from a packet switched access network to a circuit switched access network. A mobility management entity receives a service type indicator from a gateway node. ... Telefonaktiebolaget L M Ericsson

05/17/18 / #20180139581

Systems and methods for ue positioning in a distributed antenna wireless system

In some embodiments, a node associated with a distributed antenna wireless system obtains one or more combined receive signals responsive to a transmission by the wireless device. The distributed antenna wireless system comprises multiple remote radio heads (rrhs) each comprising one or more receivers. ... Telefonaktiebolaget L M Ericsson

05/17/18 / #20180139231

Protecting iaps from ddos attacks

In a first aspect, a method performed by an internet protocol advertisement point (iap) in a mobile service chaining network is provided for managing received data intended for an internet protocol (ip) address. The method comprises submitting a query to obtain an indication of a current location of a device designated by the ip address being included in the query, from a location registry (lr), receiving a reply indicating that the ip address included in the query is not in use, and starting a timer upon receiving the reply that the ip address is not in use. ... Telefonaktiebolaget L M Ericsson

05/10/18 / #20180132095

User equipment registration redistribution in a msc pool

A system, methods, nodes and computer program for redistributing a registration of a ue (100) from a first msc (320) to a second msc (124) is provided. The first msc (320) and the second mscs (124) are members of a pool of mscs (130). ... Telefonaktiebolaget L M Ericsson

05/10/18 / #20180131599

Routing in a multi-path network

A node (111-114) in a multi-path network (100) sends a first message to a first egress node (111-114, 121), the first message being directed to at least one target node (121). After said sending, the node (111-114) receives an answer message. ... Telefonaktiebolaget L M Ericsson

05/03/18 / #20180123920

Pdcp and flow control for split bearer

A method in a network node is disclosed. The method comprises sending one or more packet data convergence protocol (pdcp) packet data units (pdus) to a second network node on an internode interface, each of the one or more pdus having an associated pdcp sequence number and an associated internode interface specific sequence number, the internode interface specific sequence numbers assigned by the network node. ... Telefonaktiebolaget L M Ericsson

04/19/18 / #20180110014

Power control for ack/nack formats with carrier aggregation

A system and method for determining a physical uplink control channel (pucch) power control parameter h(ncqi,nharq) for two carrier aggregated (ca) pucch formats—pucch format 3 and channel selection. The value of h(ncqi,nharq) may be based on only a linear function of nharq for both of the ca pucch formats. ... Telefonaktiebolaget L M Ericsson

03/29/18 / #20180091200

Methods and arrangements for signaling control information in a communication system

The invention relates to devices and methods for signalling control information associated with transmission of data over a wireless channel. A second communication device receives (s2) data from a first communication device, wherein the data comprises an indication of recommended precoders and a recommendation of a first transmission rank to possibly use during transmission. ... Telefonaktiebolaget L M Ericsson

03/22/18 / #20180081729

Methods and modules relating to allocation of host machines

A method and a host machine allocating module (hmam) for allocating a host machine. The hmam is configured for managing information about latency ratings for pairs of groups comprising cpus and memory units. ... Telefonaktiebolaget L M Ericsson

03/15/18 / #20180075854

Method and arrangement for controlling smoothing of stationary background noise

In a method for coding of information for enhancing a background noise representation, voice activity of an input speech signal is determined. A noisiness parameter is determined for an inactive speech signal, wherein the noisiness parameter is based on a ratio of prediction gains of two linear predictive coder (lpc) prediction filters with different orders. ... Telefonaktiebolaget L M Ericsson

03/01/18 / #20180056149

Picture coding and decoding

. . A picture with multiple slices is encoded by generating a coded slice representation for each of the slices. A slice flag is set to a first value for the first slice in the picture and corresponding slice flags of the remaining slices are set to a second defined value. ... Telefonaktiebolaget L M Ericsson

02/15/18 / #20180048235

Reference voltage generator for a switched mode power supply

An isolated fly-buck converter is provided for converting an input voltage to an output voltage, and for generating a voltage indicative of the input voltage. The isolated fly-buck converter comprises on its secondary side an input voltage sensing circuit for generating the voltage indicative of the input voltage, the input voltage sensing circuit comprising a capacitive element and a rectifying element connected in series. ... Telefonaktiebolaget L M Ericsson

02/08/18 / #20180042041

Method for use in wireless communication device reporting ack/nack in dynamic tdd configurations, wireless communication device, and computer-readable product

The present disclosure relates to a method for use in a wireless communication device reporting ack or nack in dynamic tdd configurations. In the method, an indication of a reference ul tdd configuration and a reference dl tdd configuration is indicated. ... Telefonaktiebolaget L M Ericsson

02/01/18 / #20180035372

Method and communication device for establishing a discontinuous reception mode configuration

A method is provided, which may be performed in a communication device for establishing a discontinuous reception mode configuration. The method comprises determining at least one characteristics of signaling from a network node, and adapting, based on the at least one characteristics, at least one parameter of a currently used discontinuous reception mode configuration. ... Telefonaktiebolaget L M Ericsson

01/25/18 / #20180026761

Method and arrangement for pilot pattern based control signaling in mimo systems

A radio base station, user equipment (ue), and method of control signaling in wireless communication systems. Control information is transferred from a base station to at least one ue, via a plurality of common pilot channels. ... Telefonaktiebolaget L M Ericsson

12/21/17 / #20170367138

Device-to-device resource pattern signaling

A first communication device 100 is configured for device-to-device (d2d) communications with a second communication device 102. A method by the first communication device 100 includes obtaining 300 information on duplex configuration of a radio network node 110 that may affect resource allocation by the first communication device 100 for d2d communication with the second communication device 102. ... Telefonaktiebolaget L M Ericsson

12/21/17 / #20170367037

System and method to support inter-wireless local area network communication by a radio access network

A system and method is provided for operating a user equipment (“ue”) connected to a first wireless local access network (“wlan”) access point (“ap”). In one embodiment, the method includes receiving a first policy from a radio access network (“ran”) defining when to report a first difference between values for a first communication characteristic for communication with the first wlan ap and a second wlan ap, respectively, and searching for the second wlan ap. ... Telefonaktiebolaget L M Ericsson

12/14/17 / #20170359814

256 quadrature amplitude modulation user equipment category handling

According to some embodiments, a method of performing a hybrid automatic repeat request (harq) process comprises receiving, by a wireless device executing a harq process, a first transport block encoded according to a category type of the wireless device and a first modulation coding scheme; decoding, by the harq process, the first transport block using a number of soft bits n; receiving, by the wireless network element, a second transport block encoded according to the equipment type and a second modulation coding scheme different from the first modulation coding scheme; and decoding, by the harq process, the second transport block using the number of soft bits n.. . ... Telefonaktiebolaget L M Ericsson

12/14/17 / #20170359777

Method and arrangement for reducing power consumption in a mobile communication network

The invention relates to a method and an arrangement for reducing power consumption of a receiver in a mobile communication network comprising a sender transmitting packet data on a downlink channel to one or more receivers over a radio interface. Inactive time instants and listening time instants are defined according to provided rules. ... Telefonaktiebolaget L M Ericsson

12/07/17 / #20170353949

Quasi co-located antenna ports for channel estimation

Systems and methods are disclosed for estimating one or more channel properties of a downlink from a cellular communications network based on quasi co-located antenna ports with respect to the one or more channel properties. In one embodiment, a wireless device receives a downlink subframe including a downlink control channel from the cellular communications network. ... Telefonaktiebolaget L M Ericsson

11/23/17 / #20170339607

Carrier aggregation scell selection for lte-a

. . Systems and methods for secondary cell (scell) selection for wireless devices operating according to a carrier aggregation scheme in a cellular communications network are disclosed. In one embodiment, a network node obtains a list of potential scells for a wireless device. ... Telefonaktiebolaget L M Ericsson

11/23/17 / #20170339595

Radio network node and method for using positioning gap indication for enhancing positioning performance

A wireless communications network is described herein in which positioning measurements (e.g., inter-frequency otdoa measurements and inter-frequency e-cid measurements) may be performed on different frequencies and measurement gaps may be requested for such measurements. In one embodiment, a radio network node (e.g., enodeb, responsible node) is described for configuring a measurement gap for positioning to be used by a user equipment (ue).. ... Telefonaktiebolaget L M Ericsson

11/23/17 / #20170338808

Series-resonance oscillator

An oscillator circuit (100) comprises a first tank circuit (t1) comprising an inductive element (l) and a capacitive element (c) coupled in series between a first voltage rail (14) and a first drive node (12). A feedback stage (f) is coupled to a first tank output (13) of the first tank circuit (t1) and to the first drive node (12). ... Telefonaktiebolaget L M Ericsson

11/09/17 / #20170325279

Systems and methods providing improved success rate for rrc connection reestablishments

Systems and methods that provide improved success rates for connection reestablishments in a cellular communications system are disclosed. Embodiments of a radio access node in a cellular communications system enabling connection reestablishment for a wireless device to a target cell controlled by the radio access node are disclosed. ... Telefonaktiebolaget L M Ericsson

11/09/17 / #20170325177

Method and communication device for controlling inter-link interference

A method implemented in a communication device for controlling inter-link interference due to transmissions from the communication device on a radio link to which different types of resources are allocated. The method comprises separately limiting transmission powers on the different types of resources by operating separate interference control instances. ... Telefonaktiebolaget L M Ericsson

11/09/17 / #20170324966

Arrangements and methods thereof for processing video

A method performed by a video encoder for encoding a current picture belonging to a temporal level identified by a temporal_id. The method includes determining a reference picture set (rps) for the current picture indicating reference pictures that are kept in a decoded picture buffer (dpb) when decoding the current picture, and when the current picture is a temporal switching point. ... Telefonaktiebolaget L M Ericsson

11/09/17 / #20170324650

Automated determination of tree attributes and assignment of receiver identifiers by distributed election in multicast architectures relying on packets identifying intended receivers

Exemplary methods include a first network device participating in an election process to determine a designated bit forwarding router (d-bfr). The methods include in response to determining the first network device is elected to be the d-bfr, performing d-bfr operations comprising assigning one or more bitmask positions (bmps) to one or more bit forwarding egress routers (bfers) and advertising the assigned one or more bmps. ... Telefonaktiebolaget L M Ericsson

11/09/17 / #20170324497

Transmitting residence time information in a network

A method of operation of a multiprotocol label switching network involves, in an active node of the network, receiving a first data packet from a source node and forwarding the first data packet to a destination node. At the same time, the active node measures a residence time of the first data packet in the active node. ... Telefonaktiebolaget L M Ericsson

10/26/17 / #20170310476

Configuration of liveness check using internet key exchange messages

There is provided mechanisms for configuration of liveness check using internet key exchange messages. A method is performed by a user equipment. ... Telefonaktiebolaget L M Ericsson

10/05/17 / #20170289859

Ps to cs handover indicator

The present invention relates to a solution for handling handover of connections for a user equipment from a packet switch network to a circuit switched network. This is provided as a method implemented in a node and system. ... Telefonaktiebolaget L M Ericsson

10/05/17 / #20170287494

Method and apparatus for controlling audio frame loss concealment

In accordance with an example embodiment of the present invention, disclosed is a method and an apparatus thereof for controlling a concealment method for a lost audio frame of a received audio signal. A method for a decoder of concealing a lost audio frame comprises detecting in a property of the previously received and reconstructed audio signal, or in a statistical property of observed frame losses, a condition for which the substitution of a lost frame provides relatively reduced quality. ... Telefonaktiebolaget L M Ericsson

09/21/17 / #20170273062

Method and device for performing beamforming

A scheme to perform beamforming in a wireless communication network. A method implemented by a first device in the wireless communication network provides for determining a target beam based on a plurality of predefined beams for data transmission to a second device performing discontinuous reception. ... Telefonaktiebolaget L M Ericsson

09/21/17 / #20170272899

Methods and devices for content distribution

To control content distribution to plural mobile entities, a device for managing the distribution of the content may determine mobile entities which participate in sharing the same content and which are located in the same region. The mobile entities respectively have a first interface for communication with a mobile communication network and a second interface for forming an ad-hoc network with another mobile entity. ... Telefonaktiebolaget L M Ericsson

09/21/17 / #20170272753

Method and apparatus for pyramid vector quantization indexing and de-indexing of audio/video sample vectors

A method for pyramid vector quantization indexing of audio/video signals comprises obtaining of an integer input vector representing the audio/video signal samples. A leading sign is extracted from the integer input vector. ... Telefonaktiebolaget L M Ericsson

09/14/17 / #20170265245

Node and method for managing a packet data network connection and/or an internet protocol-connectivity access network session

A method performed in a first network node includes the first network node transmitting, to a second network node, a first message including a user equipment (ue) status request of a ue. The method further includes the first network node receiving, from the second network node, a second message including a ue status response. ... Telefonaktiebolaget L M Ericsson

09/14/17 / #20170265214

Listen-before-talk period for slotted access with scheduled traffic

A wireless device is configured with a plurality of channel-sensing resources, each channel-sensing resource being associated with at least one corresponding transmission resource. The wireless device evaluates (810), in response to a determination that first data is ready to be transmitted by the wireless device, whether one or more of the plurality of channel-sensing resources are occupied, and transmits (820) at least a part of the first data on at least one transmission resource associated with at least one channel-sensing resource, in response to detecting that the at least one of the plurality of channel-sensing resources is not occupied. ... Telefonaktiebolaget L M Ericsson

09/14/17 / #20170264916

Decoding and encoding of pictures of a video sequence

The embodiments reduce output delay for pictures by determining after a current picture has been decoded and stored in a decoded picture buffer, dpb, a number of pictures in the dpb that are marked as needed for output. This number is compared, after a current picture has been decoded and stored in the dpb, against a value derived form at least one syntax element present or to be present in a bitstream representing pictures of a video sequence. ... Telefonaktiebolaget L M Ericsson

09/07/17 / #20170255490

Trainer of many core systems for adaptive resource control

Disclosed herein is a trainer of a many core system comprising a plurality of cores for controlling resource utilization within the many core system, wherein the trainer comprises a controller configured to cause a task scheduler to add a first synthetic variable load (202, 302) to at least one task thread comprising at least one task and to schedule the at least one task thread; cause a generic probe element (205, 305) to set a plurality of probes configured to measure a real time requirement at a respective plurality of points within an execution of the at least one task thread; cause a training element (204, 304) to calculate a real time slack measurement constant (rs) value based on the worst case timing for each of the plurality of probes and to select at least one of the plurality of probes, wherein the selected at least one probe has a worst case rs value, wherein the training element is further configured to calculate a system load constant (sl) value based on the worst case rs value; and to cause a resource manager to adjust at least one system parameter based on the at least one probe having the worst case rs value. Also disclosed is a method of a trainer and a computer program product.. ... Telefonaktiebolaget L M Ericsson

08/31/17 / #20170251452

Method for content synchronization when broadcasting data in a wireless network

The present disclosure relates to base station and method for content synchronization when broadcasting data in a communications network. The base station comprises a receiver receiving data sequences and a transmitter for transmitting data sequences. ... Telefonaktiebolaget L M Ericsson

08/31/17 / #20170250739

Graph-based determination of initial-synchronization beam scanning

Techniques for determining beam-sweeping patterns for synchronization signals transmitted in a region by several access nodes in a network, where each access node is connected to a corresponding array of antenna elements. An example method includes modeling a total power function for the power transmitted in the synchronization signals, as a factor graph having a plurality of check nodes and variable nodes, each check node corresponding to a virtual wireless device in the region and each variable node corresponding to an available beam for an access node. ... Telefonaktiebolaget L M Ericsson

08/24/17 / #20170244452

Method and apparatus in a wireless communication system

There is disclosed a method performed by a user equipment, ue, for hybrid automatic repeat request, harq, retransmission of data in a multi-antenna wireless communication system. The method comprises, receiving acknowledgement/negative acknowledgement, ack/nack, feedback information relating to data transmitted on two streams, and performing, upon rank reduction where only one stream is available for transmission, retransmission of data on a cancelled stream over the remaining stream. ... Telefonaktiebolaget L M Ericsson

08/10/17 / #20170230989

Method and communication node of scheduling radio resources

The embodiments disclose a method a method for scheduling radio resources in a radio communication network. The method comprises obtaining two or more mac modes to be used for scheduling radio resources; and partitioning the radio resources into multiple resource blocks, each of which associates with one of the two or more mac modes. ... Telefonaktiebolaget L M Ericsson

08/10/17 / #20170230202

Channel estimation for fbmc modulation

Channel estimation with reduced overhead in a filter bank multi-carrier (fbmc) system is enabled by use of frequency-time blocks each comprising a pilot field with two pilot symbols and data symbols outside the pilot field. In embodiments, nearest neighbors of the pilot field are populated with data symbols which fulfill one or more symmetry relations enabling approximate interference cancellation. ... Telefonaktiebolaget L M Ericsson

08/03/17 / #20170223154

Method and apparatus for connecting a gateway router to a set of scalable virtual ip network appliances in overlay networks

A method in a gateway router is described. The method includes receiving traffic with a destination of a virtual internet protocol (vip) address corresponding to a scalable vip appliance; selecting a point-to-point vip tunnel associated with the vip address, wherein the point-to-point vip tunnel encapsulates a point-to-point link between the gateway router and the scalable vip appliance; separating one or more packets within the traffic; classifying each of the one or more separated packets based on one or more indicators of the one or more separated packets; and forwarding each of the one or more separated packets to one of one or more ip tunnels based on the classification of each of the separated packets, wherein the one or more ip tunnels are connected to the scalable vip appliance and wherein the one or more ip tunnels comprise a forwarding tunnel group associated with the point-to-point vip tunnel.. ... Telefonaktiebolaget L M Ericsson

08/03/17 / #20170223151

Small form-factor pluggable module

A small form-factor pluggable (sfp) module and related method are provided to perform additional packet processing in a communication network. The sfp module is generally configured to at least partially process data packets as they transit from a first networking equipment toward a second networking equipment in order to modify or otherwise update header information of the packets as a function of the content of their data payload. ... Telefonaktiebolaget L M Ericsson

07/20/17 / #20170208490

D2d resource utilization monitoring in a wireless communication network

There are described methods and apparatuses for monitoring d2d communication, in particular in a wireless communication network. One method comprises receiving of allocation data indicating allocated resources for a first d2d enabled node for d2d communication with a second d2d enabled node of the wireless communication network; and transmitting d2d data utilizing and/or on the indicated allocated resources; and receiving of the d2d data transmitted by the first d2d enabled node.. ... Telefonaktiebolaget L M Ericsson

07/06/17 / #20170195456

Traffic control in a communication network

A method for traffic control is disclosed for a communication network comprising a controller node operationally connectable to a plurality of network nodes. The controller node acquires one or more current communication scenario parameters provided to the controller node by each of one or more first network nodes out of the plurality of network nodes. ... Telefonaktiebolaget L M Ericsson

07/06/17 / #20170195110

Synchronizing clocks in a communications network

A user equipment comprises a master clock, for example a precision time protocol, ptp, or precision time control protocol, ptcp, network clock. The user equipment further comprises circuitry configured to set the master clock based on signals from a wireless communications network node and a time offset, wherein the time offset is based on the propagation delay between the wireless network node and the user equipment. ... Telefonaktiebolaget L M Ericsson

07/06/17 / #20170195104

Server, wireless device, methods and computer programs

A server is connected via a wireless communication network to be capable of receiving sensor information from a wireless device and provide control signals based on at least the sensor information to the wireless device for enabling the wireless device to perform a control task. The server is arranged to receive an estimate of imminent connection state of the wireless device and adapt operation such that upon the estimated imminent connection state indicates a connection quality parameter to have a quality below a first threshold, the server provides an information package to be sent to the wireless device for enabling the wireless device to perform at least an increased part of the operation task locally at the wireless communication device, and upon the estimated imminent connection state indicates the connection quality parameter to have a quality above a second threshold, the server provides an information package to be sent to the wireless device for enabling the wireless device to be relieved from performing at least a part of the operation task by the server providing increased aid in performing the control task. ... Telefonaktiebolaget L M Ericsson

07/06/17 / #20170195034

Reducing latency in a mesh network

A message (300) that has been transmitted in a mesh network from a source node (102) and intended for reception by a destination node (104) is received by a relay node (125) and also received by a number of other nodes (121, 123). A minimized latency can be obtained by the use of a timer such that the message is relayed by the relay node (125) only if no other node has already relayed the message.. ... Telefonaktiebolaget L M Ericsson

06/29/17 / #20170188407

Multi-path transmission control protocol

It is disclosed a mptcp capable system for reducing disconnection time for a mptcp capable ue (702), when it is leaving a coverage area of a second radio access type, when the second rat typically has priority over the first rat. This disclosure further comprises a controller of the second rat (706), a mptcp capable network proxy node(708), as well as a mptcp network system therefore. ... Telefonaktiebolaget L M Ericsson

06/29/17 / #20170188312

Method and network node for managing a transmission power parameter for a d2d link

A network node (110), a first device (111) and methods therein for managing a transmission power parameter indicating power of transmission to be sent on at least one device-to-device “d2d” link (120) between the first device (111) and a second device (112) are disclosed. The method comprises determining (a010) a load relating to d2d communication between at least the first and second devices (111, 112). ... Telefonaktiebolaget L M Ericsson

06/29/17 / #20170188263

Method and network entity for generating resource templates for radio links

A method in a network entity for generating resource templates for a plurality of radio links. The method provides for obtaining link interference information representing interference relation among the plurality of radio links; dividing the plurality of radio links into a number of groups based on the link interference information, such that each radio link in each group does not interfere with any radio link in any other group; and generating resource templates for the plurality of radio links by determining, for each group individually, schedulabilities of resource elements for each radio link in the group.. ... Telefonaktiebolaget L M Ericsson

06/29/17 / #20170187474

Multi-stage reception monitoring

A network node, method and wireless device are provided. The network node includes processing circuitry that includes a processor and a memory. ... Telefonaktiebolaget L M Ericsson

06/22/17 / #20170180258

Load balancing pseudowire encapsulated iptv channels over aggregated links

A method for load balancing iptv channels is described. In one embodiment of the invention, a first provider edge (pe) network element of a label switched network, coupled with a second pe network element over multiple member links of an aggregate link, receives iptv packets. ... Telefonaktiebolaget L M Ericsson

06/22/17 / #20170180111

Distributing clock synchronization inormation within an optical communications network

A method distributes clock synchronization information within an optical communications network comprising a plurality of network elements. The method receives an ingress clock synchronization message at a first said network element. ... Telefonaktiebolaget L M Ericsson

06/22/17 / #20170178125

Trash collection systems and methods

Systems and methods for increasing the value of trash. By increasing the value of trash, persons have an incentive to collect litter and deposit the collected litter at an appropriate trash collection site (e.g., garbage can, reverse vending machine, recycling center, etc.). ... Telefonaktiebolaget L M Ericsson

06/22/17 / #20170176569

Method and apparatus for determining a position of user equipment, and an antenna set therefor

There is provided a method for positioning of user equipment. The method for positioning of user equipment, includes: receiving, by the user equipment, a signal from an external antenna, the signal being radiated in a cyclic pattern; measuring, by the user equipment, strength of the received signal, characterizing, by the user equipment, the measured strength to form a signal pattern over a time period; and determining a position of the user equipment based on the signal pattern.. ... Telefonaktiebolaget L M Ericsson

06/15/17 / #20170171839

Downlink control channel resource allocation

A method and node for power efficient allocation of enhanced physical downlink control channel resources are disclosed. According one aspect, a method at a network node of allocating an enhanced control channel to a first wireless device is provided. ... Telefonaktiebolaget L M Ericsson

06/15/17 / #20170171820

A high power radio base station, a low power radio base station and respective method performed thereby for communication with a wireless device

A high power rbs and a low power rbs as well as respective methods performed thereby for communicating with a wireless device are provided. The method performed by the high power rbs comprises determining transport characteristic(s) between the high power rbs and the low power rbs. ... Telefonaktiebolaget L M Ericsson

06/15/17 / #20170171792

Cell selection for airborne mobile cellular communications equipment

A network node in a cellular telecommunications system hands over responsibility for serving a wireless communication equipment from a serving cell to a target cell, wherein the wireless communication equipment is situated in a first aircraft that is in-flight. An aircraft position, an aircraft velocity, and an aircraft direction are determined. ... Telefonaktiebolaget L M Ericsson

06/08/17 / #20170164212

Network slice management

A network slice selection involves authenticating, by an identity manager (1) of a network operator (4), a user device (8) and/or user based on a network attachment request originating from the user device (8) to correlate the user device (8) and/or user to a network slice of multiple network slices (3) provided by the network operator (4). The identity manager (1) authorizes access to a network slice (3) of the network slice type based on credentials of the user device (8) and/or user. ... Telefonaktiebolaget L M Ericsson

06/08/17 / #20170163965

Image capturing device and method thereof

An image capturing device is provided comprising an image sensor for capturing a first image of a scene, a light source for illuminating the scene with a first flash of coded light, and a network interface for communicating with a communications network and/or a further image capturing device. The device is operative to encode information into the first flash, enabling retrieval of the first image from a first data storage, capture the first image, and store the first image in the first data storage. ... Telefonaktiebolaget L M Ericsson

06/01/17 / #20170156165

Method and apparatus for a radio node and a controlling gateway

In one aspect of the teachings herein, a controlling gateway and an associated radio access point are configured for operation in a radio access network and use a radio protocol stack that is split on the network side between the gateway and the access point, for conveying radio bearer traffic going between the radio access network and a wireless device. According to methods and apparatuses disclosed, the radio protocol entities affected by the stack split communicate using internet protocol, ip, sessions. ... Telefonaktiebolaget L M Ericsson

06/01/17 / #20170156047

A node and method for providing authentication of a wireless device in a roaming state

Example embodiments presented herein are directed towards a physical node, and corresponding methods therein, for providing authentication of a wireless device within a visiting wireless network while the wireless device is in a roaming state. The wireless device is registered to a home wireless network. ... Telefonaktiebolaget L M Ericsson

06/01/17 / #20170155575

Restoration method for an mpls ring network

According to the present invention, there is provided a method for restoring a multiprotocol label switching (mpls) ring network in the event of a network link failure. The mpls ring network comprises a path for traffic around the ring comprising a plurality of sequential label switched paths (lsps). ... Telefonaktiebolaget L M Ericsson

05/18/17 / #20170142771

Signaling for flexible carrier aggregation

. . . . Flexible carrier aggregation is provided for a radio communications system. A capability is determined to communicate over a radio interface using multiple radio frequency component carriers. ... Telefonaktiebolaget L M Ericsson

05/18/17 / #20170142651

Controlling power usage

It is presented a method performed in a power control device for controlling power usage. The method comprises the steps of: determining a power command to be transmitted to a radio base station; generating the power command for the radio base station; and causing the power command to be appended to data packet bound for the radio base station.. ... Telefonaktiebolaget L M Ericsson

05/18/17 / #20170142462

Techniques for generating and providing personalized dynamic live content feeds

Exemplary methods for generating and providing personalized dynamic live content feeds are described. Recommended live content can be dynamically and intelligently provided to users based upon their prior consumption history so that the recommendations are highly relevant to the user. ... Telefonaktiebolaget L M Ericsson

05/18/17 / #20170142034

Service based intelligent packet-in buffering mechanism for openflow switches by having variable buffer timeouts

A method is performed by a network device acting as a switch in a software defined networking (sdn) network, where the switch is coupled to a controller in the sdn network. The method implements variable buffer timeout output actions. ... Telefonaktiebolaget L M Ericsson

05/18/17 / #20170141963

Designated forwarder (df) election and re-election on provider edge (pe) failure in all-active redundancy topology

A method is implemented by a network device functioning as a provider edge (pe) device to determine a designated forwarder (df) for sending broadcast, unknown unicast or multicast (bum) traffic to a customer edge (ce) device, which is connected to a plurality of pe devices in an ethernet virtual private network (evpn) instance on a given ethernet segment. The method reduces a time for df determination and loss of traffic for the ce device. ... Telefonaktiebolaget L M Ericsson

05/18/17 / #20170141890

Robust wireless radio transmission

There is provided mechanisms for robust wireless radio transmission. A method is performed by a network node. ... Telefonaktiebolaget L M Ericsson

05/18/17 / #20170141874

Method for modulation and coding scheme selection and related network nodes and terminal devices

This disclosure provides a method, performed in a modulation and coding scheme, mcs module of a network node, for modulation and coding scheme, mcs, selection for a link between the network node and a terminal device in an orthogonal frequency division multiple access, ofdma, based system. The ofdma-based system provides a plurality of sub-carriers. ... Telefonaktiebolaget L M Ericsson

05/11/17 / #20170134980

Minimizing drive test logged data reporting

This disclosure pertains to a method in a network node, a method in user equipment, a network node and user equipment in a wireless communications network. More particularly, there is provided methods and platforms for network based control of report messages comprising logged measurements in a wireless communications network. ... Telefonaktiebolaget L M Ericsson

05/11/17 / #20170134538

Systems and methods of an enhanced state-aware proxy device

A method and apparatus for an enhanced proxy device are described. Upon receipt of a first packet with a header including a set of header fields, a proxy device stores a subset from the set of header fields with an identification of the first packet, wherein the identification of the first packet is based on a portion of the packet; and transmits the packet without the subset of the header fields to be processed at the processing device.. ... Telefonaktiebolaget L M Ericsson

05/11/17 / #20170134520

Systems and methods for distributed network-aware service placement

Exemplary methods for distributed multi-component network-aware service placement in a resource pool include utilizing a hierarchy of agents associated with computing resources of a cloud architecture. An agent in the hierarchy can merge solution encodings to find cover sets indicating feasible placement solutions that can cover an entire application placement request. ... Telefonaktiebolaget L M Ericsson

05/11/17 / #20170134429

Method and apparatus for reliable token revocation

Methods and systems for reliable token revocation at a server are described. The server receives, a token revocation policy, which includes an identification of a set of users for which a set of associated tokens are to be revoked. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170127430

Determining a cluster set of mobile devices

Mechanisms for determining a cluster set of mobile devices are disclosed. A controller node identifies a primary mobile device that has a scheduled transmission for the controller node at a first time. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170127367

Beam-scan time indicator

The present disclosure relates to transmitting synchronization signals and in particular to so called beam sweep. In particular the disclosure relates to methods for providing synchronization using synchronization sequences that are transmitted at different points in time. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170127341

Delayed response to requesting device

A responding device (14) is configured to transmit messages at transmission opportunity times that occur substantially periodically according to a transmission interval. Configured in this way, the responding device (14) receives a request message (16) from a requesting device (12) in a wireless communication system (10). ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170127332

In-flight cellular communications system coverage of mobile communications equipment located in aircraft

A network node of a terrestrial cellular system provides telecommunications service to a user equipment (ue) in an airborne aircraft. Navigation information transmitted from the aircraft is periodically acquired, including aircraft identity, position, altitude, and a time of determining aircraft position. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170127325

Method and apparatus for controlling selection of the solution for wlan and unlicensed spectrum usage

Embodiments of systems and methods relating to a cellular communications network and wireless local area network (wlan) integration/aggregation are disclosed. In some embodiments, a method of operation of a base station of a cellular communications network comprises obtaining one or more allowed wireless local area network/unlicensed band solution (awubs) indications from a core network of the cellular communications network. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170127137

Notification of an upcoming live media program

Providing a notification of an upcoming live media program to a user including determining that the upcoming live media program is scheduled to start within a predefined amount of time that serves as an indication that the upcoming live media program is about to start, where the upcoming live media program has been automatically determined to be of interest to the user. A client device of the user is determined to be not connected to a service providing playback of the upcoming live media program and the program is not currently scheduled to be recorded for the user. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170126792

System and methods for intelligent service function placement and autoscale based on machine learning

A method implemented by a computing device to optimize resource usage of service function chains (sfcs) in a network using machine learning. The method includes obtaining, from an autoscale machine learning (ml) system associated with a virtual network function (vnf), a suggested adjustment to an amount of resources provisioned for the vnf. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170126475

System and method for troubleshooting sdn networks using flow statistics

A method is implemented by a computing device to determine a root cause of a performance issue in a software defined networking (sdn) network using flow statistics maintained by hosts in the network. The method includes receiving a request to perform a root cause analysis (rca) for a first flow in the network that is experiencing a performance issue, obtaining flow path information for flows in the network, and obtaining flow statistics for the flows in the network, where the flow statistics are end-to-end flow statistics maintained by one or more hosts in the network. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170126355

Decoding margin estimation

The present disclosure relates to methods and devices for determining transmission properties for communication between a wireless device and a radio network node. The disclosure also relates to computer programs performing the methods. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170126308

High capacity cellular communications system coverage of airborne mobile communications equipment

Telecommunications service is provided to mobile equipment aboard an airborne aircraft. A master coordination node (mcn) coordinates communication from groups of subordinate nodes in the network such that each group communicates a different layer of data to the mobile communication equipment aboard the aircraft. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170126294

Precoding a transmission from a two-dimensional antenna array using a partially reshaped codebook

A transmitting radio node (10) precodes a transmission from an antenna array, which includes antenna elements arranged along at least two axes, using a main codebook which is representable as a kronecker product of a first codebook and a second codebook, where the first code-book comprises predetermined sub-precoders and the second codebook comprises configurable sub-precoders. A receiving radio node (20) may benefit from adaptive beamforming made possible by the configurability of the main codebook, while still using a stable format, which remains valid also after reconfiguration, for the exchange of reference signals and corresponding feedback information,. ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170126270

Method and entity in tdd radio communications

Embodiments provides a radio network entity and the method thereof for improving filtering performance in a time division duplexing radio communication system, the radio network entity comprises: a first filter, which is configured to perform a first type of filtering for a signal to be transmitted to, or received from a device in the radio communication system through a radio interface, with a common filtering requirement for transmitting and receiving fulfilled, a second filter, which is configured to perform a second type of filtering for the signal to be transmitted to the device, with additional filtering requirement for transmitting besides the common filtering requirement fulfilled; and a third filter, which is configured to perform a third type of filtering for the signal received from the device, with additional filtering requirement for receiving besides the common filtering requirement fulfilled.. . ... Telefonaktiebolaget L M Ericsson

05/04/17 / #20170126256

Dynamic client-side selection of fec information

A client-side fec selection system involves pre-generating fec data for a plurality of media segment streams based on a number of fec configuration settings at a server. Metadata relative to the fec data may be provided to a client device via appropriate manifest files or other mechanisms, whereupon the client device is operative to select and request a suitable fec data fragment responsive to monitoring various network characteristics.. ... Telefonaktiebolaget L M Ericsson

04/27/17 / #20170118621

Resource patterns for discovery

Systems and methods are disclosed herein that relate to assigning device-to-device (d2d) resource patterns to wireless devices, or user equipment devices (ues), and using the assigned d2d resource patterns. In some embodiments, a wireless device having cellular network assisted d2d communication capabilities is operable to transmit a d2d signal in a frequency band of a cellular network during a predefined d2d period according to one of a plurality of predefined d2d transmission patterns. ... Telefonaktiebolaget L M Ericsson

04/27/17 / #20170118126

Mobile network handling of unattended traffic

A method in a system function capable of differently handling unattended data traffic as compared to attended data traffic. By using a dedicated policy on how to handle unattended data traffic, detected unattended data traffic is handled according to the dedicated policy. ... Telefonaktiebolaget L M Ericsson

04/27/17 / #20170117629

Signal distribution network

A signal distribution network for an n-port antenna arrangement. The signal distribution network comprises first circuitry for receiving at least one input signal and implementing splitting of the at least one input signal into n/2 output signals, where n>1. ... Telefonaktiebolaget L M Ericsson

04/27/17 / #20170117627

A wireless communication node with an antenna arrangement for triple band reception and transmission

The present disclosure relates to a wireless communication network node (1) which comprises an antenna arrangement (2) having at least three antenna columns (3, 4, 5). Each antenna column (3, 4, 5) comprises at least two antenna elements (14, 15; 16, 17; 22, 23; 24, 25; 30, 31; 32, 33) of a first polarization (p1) and at least two antenna elements (18, 19; 20, 21; 26, 27; 28, 29; 34, 35; 36, 37) of a second polarization (p2), orthogonal to the the first polarization (p1). ... Telefonaktiebolaget L M Ericsson

04/20/17 / #20170111921

Method and apparatus for requesting scheduling

A method and apparatus for a terminal device to request scheduling in a communication network. The terminal device may determine a priority of information to be transmitted from the terminal device to a base station of the communication network. ... Telefonaktiebolaget L M Ericsson

04/20/17 / #20170111645

Methods, receiving device and sending device for managing a picture

There are provided mechanisms for managing a picture. The picture comprises pixels, wherein pixel values of the pixels are represented with a first bitdepth. ... Telefonaktiebolaget L M Ericsson

04/20/17 / #20170111483

Checksum friendly timestamp update

A network device in a network is provided that is configured to implement a process for modifying a timestamp in a packet that is a timing protocol packet. The timing protocol packet is encapsulated by a user data protocol (udp) datagram, where the modified timestamp is written into the packet, but does not require a checksum of the udp datagram to be changed. ... Telefonaktiebolaget L M Ericsson

04/13/17 / #20170105228

Method and arrangement in a telecommunication system

The present invention relates to a method in a cellular communication system, for avoiding errors in a harq process, wherein an ndi flag is used both for indicating either semi-persistent scheduling, sps activation or sps retransmissions, and also for indicating, by toggling of the flag, a new transmission in dynamic scheduling mode. The method comprises the steps of receiving, in a scheduling message, an indication that dynamically scheduled transmission will take place; if a semi persistent resource has occurred for the same harq process since a previously received indication for dynamically scheduled transmission, then considering the ndi flag to be toggled regardless of the value of the ndi flag. ... Telefonaktiebolaget L M Ericsson

04/13/17 / #20170104816

Offloading a distribution server task to a media gateway

A server offloads one or more tasks to a first media gateway. The server receives, from the first media gateway that is receiving a video stream of a television channel, a first message that indicates that the first media gateway is eligible to process a request for media content of the television channel that otherwise would be processed by the server. ... Telefonaktiebolaget L M Ericsson

04/13/17 / #20170104524

Antenna switch control method for analog radio over fiber systems

A central node connected to a remote network node via a fiber optic link controls an antenna switch in the remote network node by controlling the dc bias current of the laser providing an optical transmission signal from the central network node to the remote network node via the fiber optic link. The remote network node converts the received optical transmission signal to an electrical transmission signal, and detects the dc level of the electrical transmission signal. ... Telefonaktiebolaget L M Ericsson

04/13/17 / #20170104501

Crest factor reduction in a radio transmitter

Crest factor reduction techniques and apparatus provide good performance while reducing the impact to power consumption and implementation cost. An example method begins with identifying multiple non-overlapping and separated signal segments in a signal made up of a sequence of digital signal values, each identified segment being an interval in which at least one the digital signal values exceeds a predetermined threshold. ... Telefonaktiebolaget L M Ericsson

04/06/17 / #20170099661

Method and apparatus for transmitting csi on the pusch in an lte system

The present invention relates to allowing configuring csi reporting (step s-224, 310) on radio resources that are allocated over a plurality of sub frames on physical uplink shared channel (pusch). Allocation of said radio resources (steps s-202, 404) can be performed by semi-persistent allocation or by using transmission time interval (tti) bundling. ... Telefonaktiebolaget L M Ericsson

03/30/17 / #20170094624

Variable synchronization block format

An access node, an, may be configured to communicate wirelessly with a wireless device (wd). The an can transmit a first synchronization signal block having a first format. ... Telefonaktiebolaget L M Ericsson

03/30/17 / #20170093664

Sdn controller logic-inference network troubleshooter (sdn-lint) tool

A method is provided that is implemented by a computing device to automate management functions in a network. The method collects existing state of the network from local database tables, logs or remote system tables. ... Telefonaktiebolaget L M Ericsson

03/30/17 / #20170093616

Method and apparatus for providing in-service firmware upgradability in a network element

A system and method for providing in-service firmware upgradability in a network element having a programmable device configured to support a plurality of application service engines or instances. A static core infrastructure portion of the programmable device is architected in a multi-layered functionality for effectuating a packet redirection scheme for packets intended for service processing by a particular application service engine that is being upgraded, whereby the remaining application service engines continue to provide service functionality without interruption.. ... Telefonaktiebolaget L M Ericsson

03/30/17 / #20170089477

Enabling secured debug of an integrated circuit

Secured debug of an integrated circuit having a test operation mode and a secure mission operation mode. The integrated circuit has a processing unit, a test interface through which the test operation mode is controllable, an on-chip memory which is accessible in the test operation mode and in the secure mission operation mode, and one or more protected resources inaccessible in the test operation mode. ... Telefonaktiebolaget L M Ericsson

03/23/17 / #20170085459

Non-intrusive method for testing and profiling network service functions

A method is implemented by a network device in a network for monitoring a segment of the network without direct access to an internal configuration or state of the segment. The method includes receiving a request to perform a monitoring task on a monitoring zone within the network. ... Telefonaktiebolaget L M Ericsson

03/23/17 / #20170085424

Triggering pim assert re-election to honor network configuration changes

Exemplary systems, methods, apparatuses, and computer-readable media are provided for enabling pim assert re-election to be triggered to honor network configuration changes. Upon receipt of a pim join message for a multicast group, a router can enter a “join” state and start an expiry-timer. ... Telefonaktiebolaget L M Ericsson

03/16/17 / #20170078773

Optical access network

. . . . An optical access network comprises an optical network unit having a first port for connecting to a first optical link, a second port for connecting to a second optical link and an optical source. The optical source is arranged to generate a first optical signal, to transmit the first optical signal via the first port, to receive an optical seed signal via the first port and to amplify the optical seed signal. ... Telefonaktiebolaget L M Ericsson

03/16/17 / #20170078428

Communicating event data from an event device to an action device

A hub device receives a first event message from an event device that describes an event on the event device. The hub device converts the first event message to a second event message that is understandable to the action device that is communicatively coupled with the hub device through a communication protocol and divides the second event message into multiple chunks, each of which having a size within a data value update limit of the communication protocol. ... Telefonaktiebolaget L M Ericsson

03/16/17 / #20170078409

Systems and methods for decentralized service placement in a resource pool

Exemplary methods for distributed multi-component service placement in a resource pool include utilizing a hierarchy of agents associated with computing resources of a cloud architecture. A root agent in the hierarchy can receive service requests specifying resource requirements and optionally location or affinity constraints, transform these into service request descriptions, and pass the service request descriptions down through the hierarchy to arrive at leaf nodes. ... Telefonaktiebolaget L M Ericsson

03/16/17 / #20170078333

Improved end-to-end data protection

The present disclosure generally relates to the field of network authentication. More specifically, the present disclosure relates to a technique of determining a set of authentication protocols for authentication between a terminal and an authentication server of a communication network. ... Telefonaktiebolaget L M Ericsson

03/16/17 / #20170078188

Multicast state reduction via tunneling in a routed system

A method is implemented by a network device in a network including a plurality of network devices. The method implements multicast forwarding configuration resulting in reduced state for the network by utilizing unicast tunneling between a root, replication points and leaves that implement each multicast distribution tree. ... Telefonaktiebolaget L M Ericsson

03/16/17 / #20170078176

Method and system for delay measurement of a traffic flow in a software-defined networking (sdn) system

Methods for delay measurement in a software-defined networking (sdn) system are disclosed. In one embodiment, one packet each is received from a first and a second network device. ... Telefonaktiebolaget L M Ericsson

03/09/17 / #20170071003

Method, network node and computer program

A method of a network node of a cellular communication network is disclosed. The method comprises determining transmission behaviour of stations associated with the network node. ... Telefonaktiebolaget L M Ericsson

03/09/17 / #20170070416

Method and apparatus for modifying forwarding states in a network device of a software defined network

A method in a network controller coupled to a network device of a software defined network (sdn), of modifying forwarding table entries of the network device is described. The method includes constructing a first message including a flow profile associated with a plurality of flows and an install profile command, where the flow profile includes a flow profile identifier, and a set of default parameter values that are common for the plurality of flows. ... Telefonaktiebolaget L M Ericsson

03/09/17 / #20170070387

Method for pro-active traffic redirection in multi-hop wireless networks using software defined networking

A method and system are implemented by a controller in a software defined networking (sdn) network. The sdn network includes a set of nodes. ... Telefonaktiebolaget L M Ericsson

03/02/17 / #20170064659

Over-the-air frequency and time synchronization for small cells

Systems and methods related to time and frequency synchronization of a base station in a cellular communications network are disclosed. In some embodiments, a method of operation of a synchronizing base station comprises selecting a first base station for frequency synchronization and a second base station for time synchronization, where the second base station can be different than the first base station selected for frequency synchronization. ... Telefonaktiebolaget L M Ericsson

02/23/17 / #20170055149

Method and apparatus for direct communication key establishment

A method, performed by a user equipment device, ue, for obtaining a key for direct communication with a device over an air interface, wherein the ue has previously acquired a transaction identifier received from a bootstrapping server function, bsf, in a generic bootstrapping architecture, gba, procedure, is provided. The method comprises storing the transaction identifier, sending the transaction identifier to the device and requesting key generation for direct communication with the device. ... Telefonaktiebolaget L M Ericsson

02/23/17 / #20170054631

Remote access to a residential multipath entity

The invention relates to a method for controlling, by a multipath control entity (100), a remote access from a client device (300) to a server (235) connected to a residential multipath entity, via a multipath connection. The multipath connection includes at least two transmission networks (11, 12) between the client device (300) and the server (235). ... Telefonaktiebolaget L M Ericsson

02/23/17 / #20170054616

Rate control for application performance monitoring

An application executed on a plurality of wireless communication devices (100) measures a performance indicator. The application sends reports (40) of the performance indicator to a server (150). ... Telefonaktiebolaget L M Ericsson

02/23/17 / #20170054544

Channel state information feedback for full duplex cellular communications

A method is performed at a user device, ue (12), for supporting a transmission mode configuration with respect to a communication channel between the ue (12) and an network node (14) of a radio network. The method comprises determining an impact of self-interference at a receiver of the ue (12) due to an uplink transmission to the network node (14) in case of full duplex communication, generating a channel state information comprising an information of said impact of self-interference, and transmitting the channel state information to the network node (14) to support said node in taking a decision between half duplex and full duplex communication configuration for the communication channel. ... Telefonaktiebolaget L M Ericsson

02/23/17 / #20170054541

Discarding and retaining physical data channels

A first channel for carrying layer 2 messages carries data that will not be retransmitted and for which decoding-related information need not be retained by the receiving node in the event of an unsuccessful decoding of the data, while a second channel carries data that will be retransmitted in the event that a negative acknowledgement is received by the transmitting node. In an example method, first and second subsets of layer 2 messages are received on first and second physical data channels, respectively. ... Telefonaktiebolaget L M Ericsson

02/23/17 / #20170054486

Mobility reference signal allocation

There is provided a method and a network node for allocating and transmitting mobility reference signals, mrs, for a communication device to measure beam signal quality in a wireless communication network. The network node obtains information on one or more of a frequency diversity, a time diversity of a channel between the network node and the communication device, an antenna spatial diversity of the communication device. ... Telefonaktiebolaget L M Ericsson

02/23/17 / #20170052876

Method for observing software execution, debug host and debug target

A method, performed in a debug host, for observing software execution on a computer having one or more processor cores, a cache attached to the one or more processor cores via respective execution pipelines forming a cache arrangement, and a memory, comprises to obtain an instruction trace of the cache arrangement and a data trace for data being loaded from the memory into the cache. The instruction trace is synchronized with the data trace to generate a synchronized data trace and/or a synchronized instruction trace. ... Telefonaktiebolaget L M Ericsson

02/16/17 / #20170048810

Synchronization in wireless communications networks

There is provided mechanisms for synchronization in a wireless communications network. A method is performed by a transmitting device. ... Telefonaktiebolaget L M Ericsson

02/16/17 / #20170048746

Systems and methods for regulating user data traffic in a wireless network

Various embodiments described herein aim to ensure that user data transmissions (e.g., small data transmissions that are sent using control plane messages) do not become excessive and stay infrequent, thereby reducing the likelihood of a network overload situation. In one embodiment, an admission control function (acf) for regulating the transmission of uplink user data is implemented in a wireless communication device (wcd) (e.g., a ciot device). ... Telefonaktiebolaget L M Ericsson

02/16/17 / #20170048697

Wifi fixed wireless personal services

A method by an access point to provide wireless terminals with access to a packet core network. The method includes attaching to the packet core network via a cellular radio access network, where the access point is configured to operate as a router of a subnet associated with an internet protocol (ip) address space, relaying signaling between a wireless terminal and the packet core network to authenticate/authorize the wireless terminal to access the packet core network and to allocate to the wireless terminal an ip address, establishing a dedicated packet data network (pdn) connection for the wireless terminal between the access point and a packet gateway of the packet core network, establishing one or more dedicated bearers associated with the dedicated pdn connection, and routing packets between the wireless terminal and the packet core network via the one or more dedicated bearers associated with the dedicated pdn connection.. ... Telefonaktiebolaget L M Ericsson

02/16/17 / #20170048695

System, method, and apparatus for facilitating selection of a serving node

A method, apparatus, and system is provided for establishing communication between a wireless communication device (wcd) and one of a plurality of serving nodes (sns). Each of the sns is configured to perform mobility management and session management. ... Telefonaktiebolaget L M Ericsson

02/16/17 / #20170048684

Methods, devices, and nodes for optimized short message service relay for cellular internet-of-things

A method performed in a wireless communication device includes the wireless communication device implementing a short message service (sms) protocol stack that includes a layer for relaying sms messages that is configured to provide a communication interface between the wireless communication device and a control node. The method further includes the layer for relaying sms messages using a sub-layer configured to deliver small data between the wireless communication device and the control node.. ... Telefonaktiebolaget L M Ericsson

02/16/17 / #20170048126

Method and system for debugging in a software-defined networking (sdn) system

Temporal matching based debugging methods are disclosed. In one embodiment, the method is implemented in a software-defined networking (sdn) controller coupled to a sdn system. ... Telefonaktiebolaget L M Ericsson

02/16/17 / #20170048112

Systems and methods for establishing a packet data network connection for a wireless communication device

Embodiments are directed to establishing only a single pdn connection for a ciot device using, for example, minimum nas signaling and default parameters in the serving node. Thus, the existing session management signaling from the ciot device may be eliminated, and instead the core serving node may establish a single pdn connection or pdp context based on default values, subscription information, and other information locally available in the serving node or available in the network when the ciot device attaches to the network. ... Telefonaktiebolaget L M Ericsson

02/16/17 / #20170048051

Systems and methods for configuring redundant transmissions in a wireless network

A method for configuring communication in a wireless communication system includes obtaining, at a first network node, information indicating a plurality of candidate subframes for downlink transmissions to a wireless communication device in a first cell served by the first network node. Each candidate subframe satisfies a candidate condition that relates to transmissions in a second cell during that subframe. ... Telefonaktiebolaget L M Ericsson

02/16/17 / #20170047947

Rate-compatible polar codes

Systems and methods are disclosed herein relating to rate-compatible polar codes and the use thereof in a wireless communications system. In some embodiments, a transmit node operable for use in a wireless communications system comprises a rate-compatible polar encoder operable to encode information bits to provide coded bits utilizing parallel concatenated polar codes. ... Telefonaktiebolaget L M Ericsson

02/09/17 / #20170041815

System and method for root cause analysis of call failures in a communication network

A method comprises generating an advanced signaling call flow and monitoring one or more finite states for one or more calls using the advanced signaling call flow. The method further comprises determining that there is a failure in one of the one or more monitored finite states for a particular call, and comparing one or more performance indicators to one or more respective thresholds, the one or more performance indicators associated with a cell in which the particular call took place and comprising information about the cell at the time of the failure. ... Telefonaktiebolaget L M Ericsson








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