Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus configures at least a non-access stratum (NAS) protocol layer or a radio resource control (RRC) protocol layer to enable device-to-device (D2D) communication with at least a second apparatus when the apparatus is out of network coverage, and communicates with at least the second apparatus.

Abstract: A wireless communication system includes: a plurality of base stations wirelessly connected to a relay station; and the relay station comprising: a multi-element antenna including a plurality of antenna elements, wherein, among the plurality of antenna elements, a first antenna element is wirelessly connected to a first base station of the plurality of base stations, and a second antenna element is wirelessly connected to a second base station of the plurality of base stations; and a controller that switches at least one of the first antenna element and the second antenna element so as to be wirelessly connected to another base station of the plurality of base stations in response to an occurrence of an event.

Abstract: Systems and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, an asynchronous system includes a first wireless node having a wireless device with one or more processing units and RF circuitry for transmitting and receiving communications in the wireless network architecture including a first RF signal having a first packet. The system also includes a second wireless node having a wireless device with a transmitter and a receiver to enable bi-directional communications with the first wireless node in the wireless network architecture including a second RF signal with a second packet. The first wireless node determines a time of flight estimate for localization based on a time estimate of round trip time of the first and second packets and a time estimate that is based on channel sense information of the first and second wireless nodes.

Abstract: Many embodiments of the invention include stacked power amplifier configurations that include control circuitry for sensing the operational characteristics of the power amplifiers and adjusting the current drawn by one or more of the power amplifiers to prevent any of the power amplifiers from experiencing over voltage stresses and/or to increase the operational efficiency of the power amplifiers.

Abstract: A channel state information receiving method, a channel state information feedback method, a device, a base station and a terminal are provided. It is related to telecommunication field. The receiving method includes: obtaining group identifiers of groups into which multiple terminals having accessed to a base station are classified; transmitting a triggering signaling to one group of terminals having an identical group identifier; and receiving, on a pre-configured resource block, pieces of channel state information respectively fed back by the group of terminals having the identical group identifier in response to the triggering signaling. With the above technical solution, consumption of downlink signalings of the base station can be reduced and feedback efficiency of channel state information can be improved.

Abstract: A multiway switch, a radio frequency system, and a wireless communication device are provided. The multiway switch includes n T ports and four P ports. At least one of the n T ports is coupled with all of the four P ports, where n is an integer and 4?n. The multiway switch is configured to be coupled with a radio frequency circuit and an antenna system of an electronic device to implement a preset function of the electronic device. The antenna system includes four antennas corresponding to the four P ports. The preset function is a function of transmitting a sounding reference signal (SRS) through the four antennas in turn.

Abstract: A method of identifying a node of a plurality of nodes in an in-vehicle communications network that transmitted a waveform propagating in the network, comprising comparing a fingerprint generated for the propagating voltage waveform with a library having library fingerprints that are unique for waveforms transmitted by each node to determine which node transmitted the waveform.

Abstract: A Radio Network Node (RNN) and a method for enabling an improved reception of Positioning Reference Signals (PRSs) at a communications device. The RNN and the communications device are operable in a wireless communications network. The RNN selects a first precoder and a second precoder for forming a first beam and a second beam, respectively, and obtains a precoding switching pattern relating to when the first precoder is to be applied to one or more first PRS symbols and when the second precoder is to be applied to one or more second PRS symbols. Further, the RNN transmits, to the communications device, the one or more first PRS symbols to which the first precoder is applied; and in accordance with the obtained precoding switching pattern, the RNN transmits, to the communications device, the one or more second PRS symbols to which the second precoder is applied.

Abstract: Disclosed herein are example techniques for voice detection by multiple NMDs. An example implementation may involve one or more servers receiving, via a network interface, data representing multiple audio recordings of a voice input spoken by a given user, each audio recording recorded by a respective NMD of the multiple NMDs, wherein the voice input comprises a detected wake-word. Based on respective sound pressure levels of the multiple audio recordings of the voice input, the servers (i) select a particular NMD of the multiple NMDs and (ii) forego selection of other NMDs of the multiple NMDs. The servers send, via the network interface to the particular NMD, data representing a playback command that corresponds to a voice command in the voice input represented in the multiple audio recordings, wherein the data representing the playback command causes the particular NMD to play back audio content according to the playback command.

Abstract: There is provided a method and corresponding arrangement and units for radar detection in a wireless communication system operating in a spectrum shared with at least one radar system. The method basically comprises the steps of collecting (S1) measurement information related to radar sensing measurements by aggregating radar sensing measurements from multiple, geographically distributed radar sensing units forming a radar sensing network implemented in the wireless communication system, and processing (S2) the measurement information according to at least one radar sensing rule to generate a radar detection result. With this new and fundamental radar detection procedure in place, it may further be beneficial to take action(s) for radar protection and/or dynamic adjustment of radar detection functionalities.

Abstract: There is provided a method performed by a wireless device for supporting transmission to a network node in a wireless communication network according to an embodiment. The method is adapted for a wireless network based on LTE, wherein the wireless device is allowed to transmit on a set of Resource Elements, REs, allocated for transmission to the network node. The method comprises the step (S1) of determining at least one transport format control parameter for at least a first part of the set of REs allocated for transmission. The method further comprises the step (S2) of transmitting, to the network node, an indication representing the at least one determined transport format control parameter on at least a second part of the set of REs allocated for transmission to notify the network node of the determined transport format control parameter(s).

Abstract: A first communications device (1002) and a method therein for Device-to-Device (D2D) communication with a second communications device (1004) using a first Radio Access Technology (RAT) or a second RAT. The first and second communications devices are operating in a communications network (1000). The first communications device transmits 5 the second communications device, by means of the first RAT, information relating to a proximity service provided by the second RAT. Thereby the information enables the second communications device to determine whether to use the first RAT or the proximity service provided by the second for D2D communication with the first communications device.

Abstract: A method of identifying a node of a plurality of nodes in an in-vehicle communications network that transmitted a waveform propagating in the network, comprising providing a library of fingerprints having a unique library fingerprint for waveforms transmitted by each node and comparing a fingerprint generated for the propagating voltage waveform with library fingerprints to determine which node transmitted the waveform.

Abstract: A multi-way switch, a radio frequency system, and a wireless communication device are provided. The multi-way switch includes nine T ports and four P ports, and the nine T ports include one first T ports being coupled with all of the four P ports. The multi-way switch is configured to be coupled with a radio frequency circuit and an antenna system of a wireless communication device. The wireless communication device is operable in a dual-frequency single-transmit mode. The antenna system includes four antennas corresponding to the four P ports.

Abstract: A multiway switch, a radio frequency system, and a wireless communication device are provided. The multiway switch includes ten T ports and four P ports, the ten T ports include two first T ports, each of which the two first T ports is coupled with all of the four P ports. The multiway switch is configured to be coupled with a radio frequency circuit of a wireless communication device through the ten T ports and an antenna system of the wireless communication device through the four P ports, to implement a preset function of the wireless communication device, the antenna system comprising four antennas corresponding to the four P ports, and the preset function being a function of transmitting a sounding reference signal (SRS) through the four antennas in turn.

Abstract: A multiway switch, a radio frequency system, and a wireless communication device are provided. The multiway switch includes six T ports and 2n P ports. The six T ports include two first T ports and each of the two first T ports is coupled with all of the 2n P ports. n is an integer and n?2. The multiway switch is configured to be coupled with a radio frequency circuit and an antenna system of a wireless communication device operable in a dual-frequency single-transmit mode, to implement a preset function of the wireless communication device. The antenna system includes 2n antennas corresponding to the 2n P ports. The preset function is a function of transmitting a sounding reference signal (SRS) through the 2n antennas in turn.

Abstract: An electronic device may be provided with wireless circuitry. The wireless circuitry may include one or more antennas. The electronic device may have a housing in which control circuitry and radio-frequency transceiver circuitry is mounted. The transceiver circuitry may be used to transmit and receive radio-frequency signals using the antennas. The electronic device may have radio-frequency sensors. The radio-frequency sensors may include current sensors, voltage sensors, power sensors, sensors with taps and switching circuitry that tap signals flowing in a signal path and that may make measurements such as impedance measurements, and radio-frequency sensors with sensor antennas and associated sensor circuits that measure radio-frequency signals received using the sensor antennas. The control circuitry may make wireless circuit adjustments based on measured radio-frequency signals.

Abstract: Certain aspects of the present disclosure provide methods for wireless communications by a base station and a user equipment in a network. An exemplary method generally includes performing a discovery procedure to identify one or more devices through which the UE may indirectly communicate with a base station in the network and deciding based on one or more criteria whether to communicate with the base station directly or to communicate with the base station indirectly via a device identified by the discovery procedure. According to certain aspects, when a UE is in communication with a network indirectly, the network might page the UE directly, indirectly, or both.

Abstract: A wireless communication system having a plurality of antennas is disclosed. A combination of transmission antennas and reception antennas is selected, the combination allowing ? to be the closest to ? radians, where ? represents an absolute value of an angle obtained by subtracting ?2 from ?1, where ?1 represents an angle formed by signal vectors transmitted from an i-th and a j-th transmission antennas of the first wireless device on an orthogonal plane on which a reception signal of a k-th reception antenna of the second wireless device is quadrature-detected or demodulated, and ?2 represents an angle formed by the signal vectors transmitted from the i-th and the j-th transmission antennas of the first wireless device on an orthogonal plane on which a reception signal of an l-th reception antenna of the second wireless device is quadrature-detected or demodulated.

Abstract: An apparatus of user equipment (UE), the apparatus comprises transceiver circuitry and processing circuitry. The transceiver circuitry is configured to transmit and receive radio frequency electrical signals to communicate with one or more separate devices via a cellular communication network as UE and to communicate with one or more separate devices via a wireless personal area network (PAN) as PAN header UE (hUE). The processing circuitry is configured to receive a packetized message directly from a second UE via the PAN, wherein the packetized message indicates an enhanced node B (eNB) of the cellular network as a destination for the packetized message; and initiate transmission of the packetized message to the eNB.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may obtain an interference and noise covariance matrix for a plurality of antennas of the UE. The UE may generate an approximated covariance matrix based on the inference and noise covariance matrix and a number of the antennas of the plurality of antennas associated with transmit operations at the UE. The number of the antennas associated with transmit operations at the UE may be fewer than a total number of the antennas. The UE may precode a sounding reference signal (SRS) using the approximated covariance matrix, and transmit the precoded SRS using the antennas associated with the transmit operations.

Abstract: Disclosed herein is an image display apparatus. The image display apparatus includes a display, an interface unit to exchange data with a mobile terminal, and a controller to control the display to display an execution icon to execute at least one of applications installed in the mobile terminal and, in response to selection of the execution icon, to display an execution image of at least one application corresponding to the execution icon. Thereby, mirroring between the mobile terminal and the image display apparatus may be simply performed.

Abstract: Techniques related to coordinating power management for multiple devices are discussed. Such techniques may include establishing communications between devices, inventorying the components of each device, and implementing a power management plan to eliminate any redundancy in the components and reduce the total power consumed by the devices.

Abstract: A vehicle information terminal is used in a vehicle equipped with an energy converter for converting an external energy to an electric power. The vehicle information terminal includes a management unit that generates a power generation information associated with a vehicle position and a power generation amount of the energy converter. The management unit is operative to transmit the power generation information to an external device. A transmission condition of the power generation information of the management unit is set so that transmission frequency of the power generation information during travel of the vehicle is higher than transmission frequency of the power generation information during stop of the vehicle.

Abstract: This invention presents methods for calibrating the channel state information in a multi-antenna system, especially for estimating channels transmitting in one direction using signaling transmitted in the other direction. The methods comprise transmitting a first and a second reference signal wherein one is a function of the other, and using the estimate of the channel in one direction, and the received signals from the two reference signals to obtain an estimate of the channel in the other direction between a transmitter of the multi-antenna system to an external wireless device.

Abstract: A vehicle-mounted millimeter-wave communication device includes: an acquisition unit for acquiring a relay request that requests relay of communication from a first communication partner, a detection unit for detecting directions of the first communication partner and a second communication partner that are viewed from the vehicle, and a communication control unit for performing control such that, in the case where the relay request is received from the first communication partner and it is possible to communicate with the second communication partner, communication, in which a communication time longer than a communication time set for another direction is set for each of the directions of the first communication partner and the second communication partner, is performed, and communication between the first communication partner and the second communication partner is relayed.

Abstract: In the present invention, a method for performing an uplink transmission in a wireless communication system and an apparatus for supporting the same are disclosed. Particularly, a method for transmitting an uplink control channel in a wireless communication system by a terminal may comprise receiving, from a base station, beam information regarding one or more beams for transmitting a physical uplink control channel (PUCCH), via a radio resource control (RRC) signaling; receiving, from the base station, beam indication information indicating a specific beam among the one or more beams using a medium access control-control element (MAC-CE); and transmitting, to the base station, the physical uplink control channel using the specific beam.

Abstract: In general, embodiments of the technology relate to method for resolving a library path in a distributed system. The method includes receiving a path resolution request, issuing a first request to a first node server to obtain a first library name index (LNI) associated with a first portion of the library path, obtaining the first LNI, and generating, based on the first LNI, a second request to a second node server of the plurality of node servers, where the second request is associated with a second portion of the library path. The method further includes after not receiving a second response to the second request: issuing a request message to a set of node servers, receiving, from one of the node servers, a third response to the request message, and resolving the entire library path using, at least in part, the third response.

Abstract: The present invention relates to a method for transmitting system information from a base station to a user equipment, the user equipment being a limited-bandwidth device, camping on the base station, wherein the system information are divided in a plurality of system information blocks, which are at least once transmitted during one broadcast channel modification period, the method comprising the step of—transmitting a first system information block the first system information block comprising at least—a broadcast channel change notification tag, and—a barring indication flag for limited-bandwidth devices, and wherein each other of the plurality of system information blocks is larger in size than the first system information block.

Abstract: The disclosure relates to a method for discovery by a non-discoverable first public safety user equipment (PS UE), of a discoverable second PS UE in a public safety system comprising a telecommunications network providing a public safety spectrum for wireless access of the first PS UE and the second PS UE. The method can comprise for the first non-discoverable PS UE: transmitting synchronization information for the second PS UE; receiving at least one proximity announcement from the second PS UE in accordance with the transmitted synchronization information. The disclosure also relates to a non-discoverable public safety user device configured for performing the method, and relates to a PS server system arranged for assisting in the discovery of PS UEs.

Abstract: For determining parameters for configuring a regularized zero-forcing precoder aiming at being applied for transmitting data from a plurality of transmitters to a plurality of receivers via a MIMO transmission channel in a wireless communication system, and more particularly in a scope of massive MIMO approach, a first phase comprises: obtaining long-term statistics about observations of the MIMO transmission channel, and obtaining a power scaling factors aiming at meeting a power constraint P, by solving an optimization problem as a function of a signal to noise ratio asymptotic expression from the standpoint of each receiver. Then, a second phase comprises: obtaining an estimation of the MIMO transmission channel, and configuring the regularized zero-forcing precoder using the power scaling factors determined in the first phase as well as the obtained estimation of the MIMO transmission channel.

Abstract: Embodiments of the present invention disclose a method and an apparatus for transmitting a synchronization signal. The method of the present invention includes: determining, by a first terminal, a D2D type, where the D2D type includes D2D discovery and D2D communication; and transmitting, by the first terminal, a synchronization signal according to the determined D2D type. Therefore, synchronization signals transmitted by terminals of different D2D types do not affect each other, avoiding that a second terminal detects and receives a synchronization signal that does not correspond to a D2D type of the second terminal and ensuring that user direct-connection communication can be performed correctly and efficiently.

Abstract: Embodiments of the present invention relate to the field of network communications and provide a backhaul device and a backhaul device control method. The backhaul device includes: an access-side baseband transmit module, an access-side baseband receive module, a backhaul-side baseband transmit module, a backhaul-side baseband receive module, a radio frequency channel, a first switch module, a second switch module, an access antenna, and a backhaul antenna. Therefore, problems of low resource utilization of a radio frequency channel and high system development costs in the prior art are resolved, and the radio frequency channel can be shared, so as to improve resource utilization. In addition, considering that the radio frequency channel includes multiple components, the radio frequency channel is shared, which reduces a quantity of components required for a system and development costs of the system.

Abstract: Minimizing interference including obtaining interference measurements for transmission angles of an interference-causing side lobe of a formed beam directed towards a wireless device in a beamforming mode, and determining threshold angles wherein an operating mode of another wireless device subject to the interference is switched to from a default mode to a carrier aggregation mode utilizing a different frequency than the formed beam. Upon the transmission angle of the formed beam meeting a second threshold angle, the operating mode of the other wireless device is switched back to the default mode.

Abstract: Methods, systems, and devices for wireless communication are described. A discontinuous reception (DRX) periodicity may be configured to enable monitoring of a reference signal (RS) for RLM procedures. For example, a transmitting device may configure a DRX periodicity for an RS, where the configured DRX periodicity may include a periodicity of discrete transmissions of the RS or a periodicity of a transmission window in which the RS is located. Accordingly, a receiving device may identify the DRX periodicity and monitor radio link quality using the RS based on the DRX periodicity. In some examples, the RS may be transmitted independent of control channel transmissions, and the transmitting device may configure one or more control resource sets for the RS.

Abstract: A method and apparatus for measurement by a terminal and a base station in a wireless communication system supporting carrier aggregation are provided. The method for measurement by the terminal includes receiving, from a base station, a measurement interval for a secondary cell in a deactivated state, acquiring a measurement period based on the measurement interval, and measuring a signal of the secondary cell in the deactivated state, based on the measurement period. The measurement period is acquired by multiplying the measurement interval by a predefined value greater than 1.

Abstract: Systems and methods are disclosed for prioritizing uplink grants to mobile devices based on group delay variation considerations. A base station may receive (i) a first random access channel (RAC) request from a first user equipment device (UE) assigned to operate in a first frequency band of a wireless communication network and (ii) a second RAC request from a second UE assigned to operate in a different, second frequency band of the wireless communication network, both request being for uplink communications. Upon determining that the first frequency band is more susceptible to group delay variation based impairments than the second frequency band, the base station prioritizes an uplink channel grant of the first RAC request over an uplink channel grant of the second RAC request.

Abstract: A global positioning system (GPS) is provided and includes a processing system that is in communication with a network and memory. The memory has executable instructions stored thereon, which, when executed, cause the processing system to control the network to coarsely identify a region currently occupied by a tracked device and determine an accurate location of the tracked device responsive to a predefined event.

Abstract: The present invention discloses a beam configuration method which includes: sending initial beam index information of an initial beam, allocated for user equipment, of a millimeter wave band to the user equipment; receiving a radio resource management (RRM) measurement report from the user equipment, where the RRM measurement report is obtained after the user equipment performs RRM measurement on the initial beam that is indicated by the initial beam index information; and determining, according to the RRM measurement report, the initial beam index information that is used for communication with the user equipment.

Abstract: A device for sending or receiving a video according to a video wireless transmission standard for transmitting a video via one-to-one wireless communication, includes: a connection control unit which controls establishment of connection according to the video wireless transmission standard between the device and a connection destination device; and a state changing unit which changes the state of one of the device and the connection destination device prior to the establishment of the connection, if both of the device and the connection destination device are in a sending-side state of functioning as a sending-side device of the video, or if both of the device and the connection destination device are in a receiving-side state of functioning as a receiving-side device of the video.

Abstract: A split streaming system and method are provided in which a stream of data (that can be video, audio or textual data) is split and sent over a plurality of stream reflectors to a stream recipient. Each stream reflector performs time gradient replacement to manage the split streaming.

Abstract: A thermal imaging system includes an infrared (IR) detector configured to detect ambient IR radiation in a surrounding environment of the IR detector and pulse sequences of mechanically-generated IR radiation in a status message emitted by a portable signaling device mounted on a wearer. The status message represents an operating status of the wearer and a processor operably connected to the IR detector analyzes the pulse sequences in the status message and generates a display message based on the pulse sequences. The display message is display on a screen for viewing by an operator of the thermal imaging system. The display message is presented as visual indicia representative of the operating status of the wearer which is displayed concurrently with a graphical image of the surrounding environment that is based on the ambient IR radiation detected by the IR detector.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus configures at least a non-access stratum (NAS) protocol layer or a radio resource control (RRC) protocol layer to enable device-to-device (D2D) communication with at least a second apparatus when the apparatus is out of network coverage, and communicates with at least the second apparatus.

Abstract: An electronic device for sharing images with another electronic device through bidirectional communication and providing feedback information based on the information concerning the images and an information sharing method of the electronic device is provided.

Abstract: A method for estimating a channel status by a base station in a wireless communication system according to an embodiment of the present invention comprises the steps of: obtaining an uplink channel matrix by using a sounding reference signal (SRS) received from a terminal; transmitting a channel state information-reference signal (CSI-RS) through at least some antenna devices in a two-dimensional antenna array of the base station; receiving a channel quality indicator (CQI) calculated on the basis of the CSI-RS transmission; and obtaining, through a predetermined correction factor obtained on the basis of the CQI and the uplink channel matrix, a downlink channel matrix for the entire two-dimensional antenna array comprising the remaining antenna devices through which the CSI-RS is not transmitted.

Abstract: Operating an NFC device to communicate with an NFC tag may include converting the NFC device between operating in a standby mode or an active mode, based on whether communication between the NFC device and an NFC tag is failed while the NFC device is operating in an active mode, detecting an NFC tag based on a tag detection sensitivity associated with the NFC device operating in the standby mode, converting the NFC device to operating in the active mode when an NFC tag is detected in the standby mode and adaptively controlling the tag detection sensitivity based on one or more user environment parameters associated with the NFC device. Power consumption and the tag detection sensitivity may be optimized based on adaptively controlling the tag detection sensitivity based on the one or more user environment parameters.

Abstract: A system is disclosed for monitoring payload at a worksite having multiple machines. The system may have a first sensor located onboard a haul machine and configured to generate a first signal indicative of a total amount of material in the haul machine, and a second sensor located onboard a load machine and configured to generate a second signal indicative of an amount of material being dumped into the haul machine by the load machine. The system may also have at least one controller in communication with the first and second sensors. The at least one controller may be configured to selectively perform a sensor calibration process based on a comparison of the first and second signals.

Abstract: Systems, methods, and devices for device-to-device (D2D) distributed scheduling are disclosed herein. User equipment (UE) is configured to measure a received power level for a reference signal received from a target UE and measure received power levels for reference signals received from one or more non-target UEs. The UE is configured to generate a resource usage map for the target UE and the one or more non-target UEs. The UE is configured to determine a priority, with respect to the target UE, for each resource element group based on the resource usage map and an anticipated signal-to-interference ratio (SIR). The UE is configured to transmit data to the target UE during one or more resource element groups with the highest priorities for the target UE.

Abstract: A mesh network relaying device includes at least a first radio, a second radio, and a third radio. During normal operation, the device communicates with other network nodes via the first and second radios, the radios operating at the best available bandwidth. When the device identifies a communication link failure in one of the first and second radios, the device activates the third radio and operates the first, second, and/or third radios at narrower bandwidths. When the communication link failure is resolved, the device deactivates the third radio, and resumes communication via the first and second radios at wider bandwidth.

Abstract: The present disclosure discloses a beam identification method in a Multiple-Input Multiple-Output (MIMO) beamforming communication system, which includes that: a Node B sends multiple beam training signals to a terminal, each beam training signal corresponding to a beam and the beams covering different directions; the terminal detects the beam training signals, determines a selected beam according to a detection result, and feeds back indication information about the selected beam to the Node B; and the Node B determines a beam configured to send data information according to the indication information, fed back by the terminal, about the selected beam. The present disclosure further discloses beam identification related device and system in an MIMO beamforming communication system.