Abstract: A 3D MIMO based radio transmission method, comprising: establishing a communication connection between a base station pre-configured with an active antenna array and a user equipment terminal, and establishing a 3D MIMO channel model; when some active antennas in the active antenna array have failed, automatically reconfiguring the active antenna array to realise redundancy; and generating a 3D pre-coded matrix through the 3D MIMO channel model, so as to form a beam forming vector having a high resolution in two dimensions and obtain a multi-user multiplexing gain.

Abstract: Methods, wireless devices and base stations for determining multi-beam channel state information, CSI are provided. According to one aspect, embodiments include a method of determining multi-beam channel state information, CSI. The method includes generating a first CSI report associated with a first beam; and generating a second CSI report associated with a second beam, the second CSI report including at least a co-phasing coefficient between the first and second beams.

Abstract: Disclosed are a method for transmitting/receiving a data signal between a base station and a terminal, and an apparatus supporting the same. More particularly, the present invention provides a method for reliably transmitting/receiving a data signal between a terminal and a base station when the data signal transmission/reception between the terminal and the base station is performed according to an analog beamforming method, and apparatuses supporting the same.

Abstract: A device that comprises a plurality of distributed transceivers, a central processor and a network management engine may be configured to function as relay device, relaying an input data stream from a source device to at least one other device. The relaying may include configuring one or more of the plurality of distributed transceivers to particular mode of relay operation and receiving the input data stream from the source device via at least one of the configured one or more of the plurality of distributed transceivers. The relaying may also include transmitting at least one relay data stream corresponding to the input data stream to the at least one other device, via at least one of the configured one or more of the plurality of distributed transceivers.

Abstract: A multi-radio access technology (RAT) circuit is provided. The multi-RAT circuit includes a radio frequency (RF) circuit(s) coupled to an interconnect medium(s). The RF circuit(s) includes a power head circuit configured to receive a local oscillation (LO) pilot and an RF signal via the interconnect medium(s). The power head circuit generates an LO signal based on the LO pilot without requiring a synthesizer. Accordingly, the power head circuit modulates the RF signal to a carrier band based on the LO signal for transmission in a millimeter wave (mmWave) spectrum. By generating the LO signal and modulating the RF signal to the carrier band in the power head circuit, it may be possible to minimize attenuation and/or interference to the RF signal. Further, it may also be possible to share the interconnect medium(s) with existing RATs, thus helping to reduce size, power, and cost impacts associated with supporting an mmWave RAT.

Abstract: The present invention relates to a method and a device for selecting a beam in a wireless communication system which uses a plurality of antennas such as an array antenna.

Abstract: This invention presents methods for MU-MIMO wireless communication systems comprising a BS with plural of antennas, either closely located or distributed; A plural of AFRs deployed over a coverage area, each AFR has NBF?1 BF antennas with a beam pattern facing the MU-BFer and NUF?1 UF antennas with a beam pattern facing UEs or downstream AFR(s); A channel estimation module for estimating the Total Channels between a plural of UEs and the BS with the AFRs in place; and, A MU-BFer that uses the estimates of the Total Channels to perform beamforming computations for transmitting and/or receiving multiple spatially multiplexed streams of signals to or from a plural of UEs using the same frequency resource.

Abstract: A device that comprises a plurality of distributed transceivers, a central processor and a network management engine may be configured to function as relay device, relaying an input data stream from a source device to at least one other device. The relaying may include configuring one or more of the plurality of distributed transceivers to particular mode of relay operation and receiving the input data stream from the source device via at least one of the configured one or more of the plurality of distributed transceivers. The relaying may also include transmitting at least one relay data stream corresponding to the input data stream to the at least one other device, via at least one of the configured one or more of the plurality of distributed transceivers.

Abstract: A base station includes a processing unit, a plurality of radio frequency units, a plurality of antenna units, a control unit and an adjustment unit. The processing unit generates a baseband signal and provides a control strategy. The radio frequency units receive the baseband signal to generate a plurality of radio frequency signals. The antenna units transmit a plurality of output signals. The control unit receives the control strategy and generates a plurality of control signals according to the control strategy. The adjustment unit receives the radio frequency signals and the control signals, switches the connection of RF paths with high-gain or low-gain between the radio frequency units and the antenna units and adjusts gains of the radio frequency signals according to the control signals, so as to generate the output signals.

Abstract: In a wireless communication terminal in a wireless communication system for performing a control not to transmit signals, or to transmit signals with a reduction in a transmission power by a part of radio resources for a downlink signal in a cell provided by a base station, the terminal receives control information in generating a report related to a measurement result of the cell provided by the base station, monitors a state of a radio link with an own cell, and performs measurement on reception of the downlink signal. If an instruction for restricting the measurement to a part of the radio resources is included in the control information from the base station after the radio link failure occurs, the terminal generates and transmits a radio link failure report including the measurement result in the radio resources as instructed when the radio link failure occurs.

Abstract: The present disclosure provides a CSI acquisition method. A network side device indicates a CSI feedback configuration group for aperiodic CSI feedback to a UE, and transmits DCI to the UE, the DCI configured to indicate the UE to perform the aperiodic feedback in accordance with an optimum CSI feedback configuration in the CSI feedback configuration group.

Abstract: A system that incorporates aspects of the subject disclosure may perform operations including, for example, obtaining uplink information associated with a downlink path, wherein the uplink information includes operational parameters used by a plurality of communication devices for transmitting wireless signals on a plurality of uplink paths, performing, based on the uplink information, a plurality of measurements of the plurality of uplink paths via a plurality of fiber optic cables from a plurality of remote radio units, wherein the plurality of uplink paths conform to a common public radio interface (CPRI) protocol, identifying a measurement from the plurality of measurements that is below a threshold, thereby indicating an affected uplink path of the plurality of uplink paths, and initiating a corrective action to improve a measurement of the affected uplink path based on the identifying. Other embodiments are disclosed.

Abstract: Embodiments of a method in a base station for precoding a downlink transmission are disclosed. In some embodiments, the method comprises obtaining, for a time instant k, an estimate of a channel matrix for a wireless channel for a downlink from the base station to a wireless device and projecting the estimate of the channel matrix onto one or more sets of spatial orthonormal functions, thereby obtaining respective sets of coefficients. The method further comprises, for each set of spatial orthonormal functions, filtering the set of coefficients for the time instant k based on a filtering parameter that is specific to a downlink channel to be transmitted. The method further comprises generating beamforming weights using the filtered set of coefficients for at least one of the sets of spatial orthonormal functions, and precoding the downlink channel using the beamforming weights.

Abstract: Apparatus and methods are provided to for RRM measurement in the new radio (NR) access system. In one novel aspect, multiple transmission (TX) beams are measured by a user equipment (UE) with multiple receiving (RX) beams, stores the measured TX-RX pair in a measurement matrix, and calculates a consolidation measurement for each cell based on a consolidation rule. In one embodiment, the consolidation rule indicates generating a RX consolidated vector by consolidating all RX beams with the same TX beam ID, and subsequently, generating the consolidation measurement for the cell based on the RX consolidated vector. In another embodiment, the measurement matrix is layer-3 filtered and consolidated. In yet another embodiment, the UE sends a measurement report, either contains the consolidated measurement or the measurement vector, to the NR network based on the consolidation measurement. In one embodiment, the network performs consolidation on the received measurement vector.

Abstract: In one embodiment, an apparatus includes a first omnidirectional antenna for coupling to a first radio to establish a first macro cell and a second omnidirectional antenna for coupling to a second radio to establish a second macro cell. The first and second omnidirectional antennas are configured for concurrent 5 GHz radio operation while maintaining at least 40 dB of isolation between the first and second omnidirectional antennas. An antenna system and network device are also disclosed herein.

Abstract: Generating an environment information map from a wireless communication system having directional communication capabilities. A plurality of features are extracted and logged resultant from a communication link attempt at multiple beam directions and training at least one machine learning model based on the plurality of extracted features from the first beam direction and the at least one additional beam directions to infer an environment information map of the area between the first transmitter and the receiver.

Abstract: Disclosed herein is a first wireless communication node comprising a first communication module that includes a first baseband unit configured to handle baseband processing for the first communication module, a first RF unit configured to define a frequency range of radio signals for the first communication module, and a first antenna unit configured to generate a first extremely-narrow beam that facilitates exchange of radio signals with at least one other wireless communication node. The first wireless communication node may also comprise a second communication module that includes a second baseband unit configured to handle baseband processing for the second communication module, a second RF unit configured to define a frequency range of radio signals for the second communication module, and a second antenna unit configured to generate a second extremely-narrow beam that facilitates exchange of radio signals with at least one other wireless communication node.

Abstract: Coordinated wireless communications using multiple transmission time intervals (TTIs) are described. Multiple TTIs may include a first TTI and a second TTI, the second TTI having a shorter duration than the first TTI. One or more parameters may be determined for communications using the first TTI and the second TTI. A first parameter of the determined parameters for the second TTI may be associated or linked with a corresponding parameter of the first TTI, and communications using the first TTI or the second TTI may be performed using the first parameter. Wireless network nodes using the first TTI may form a CoMP cooperating set, and wireless network nodes using the second TTI may for another CoMP cooperating set, and the first parameter may be applied to each of the CoMP cooperating sets.

Abstract: A device that comprises a plurality of distributed transceivers, a central processor and a network management engine may be configured to function as relay device, relaying an input data stream from a source device to at least one other device. The relaying may include configuring one or more of the plurality of distributed transceivers to particular mode of relay operation and receiving the input data stream from the source device via at least one of the configured one or more of the plurality of distributed transceivers. The relaying may also include transmitting at least one relay data stream corresponding to the input data stream to the at least one other device, via at least one of the configured one or more of the plurality of distributed transceivers.

Abstract: Disclosed herein is a new type of fully-connected, hybrid beamforming transceiver architecture. The transceiver described herein is bi-directional and can be configured as a transmit beamformer or a receive beamformer. A method and apparatus are described that allows the beamformer to operate in “carrier aggregated” mode, where communication channels in multiple disparate frequency bands can be simultaneously accessed.

Abstract: Disclosed are methods, circuits, devices, systems and associated computer executable code for operating a wireless communication network. According to embodiments of the present invention, one or more network appliances functioning within a Radio Access Network (RAN), at or near an access point, of an exemplary network may identify within a multiplexed downstream communication line leading towards a wireless access point a packet stream addressed to a destination mobile communication device communicatively coupled to the access point and located within a sector or portion of a coverage area of the access point. The same or another appliance may correlate an identifier of the packet stream destination device with an estimated device location within the coverage area along with an associated coverage area sector.

Abstract: In an example, a radio module includes a first antenna port connected to a first transceiver, a second antenna port connected to a second transceiver, a third antenna port connected to a third transceiver, and a fourth antenna port connected to a fourth transceiver. The first antenna port and the second antenna port include a first switch type radio frequency connector and a second switch type radio frequency connector, respectively. The third antenna port and the fourth antenna port include a first receptacle type radio frequency connector and a second receptacle type radio frequency connector, respectively. A processor is connected to the first transceiver, the second transceiver, the third transceiver, and the fourth transceiver.

Abstract: A network management apparatus, a method and an apparatus in a wireless communication system. The network management apparatus includes: a network area dividing unit, configured to divide the coverage area of network signals into multiple sub-areas according to the transmission characteristics of a network node; a network node locating unit, configured to determine the sub-area in which the network node locates in the coverage area of network signals according to the geographical location information of the network node; and a wireless network resource management unit, configured to construct wireless network resource management information according to the sub-area in which the network node locates. According to embodiments, rapid dynamic network programming and reasonable wireless network resource allocation can be realized.

Abstract: Aspects herein relate to biocompatible polyisobutylene-fiber composite materials and related methods. In one aspect a biocompatible composite material is included. The biocompatible composite material can include a network of fibers comprising one or more polymers to form a substrate and a continuous, interpenetrating polyisobutylene matrix that is non-porous and completely surrounds the electrospun fibers. Other aspects are included herein.

Abstract: Linearizing Power Amplifiers' Outputs in Multi-Antenna System There is provided power efficient and simple structure for linearizing power amplifiers' outputs in multi-antenna beamforming systems. Beamforming factors are obtained for controlling transmission beams of the antennas in an analogue/hybrid beamforming system. At least one power amplifier model is determined on the basis of the power amplifiers' outputs and the beamforming factors. Predistortion parameters, for feeding a predistorted signal to power amplifiers for linearizing the power amplifiers' outputs, are determined such that after the operating parameters of the power amplifiers have been adjusted, errors in power amplifiers' outputs are reduced.

Abstract: Aspects of the subject disclosure may include, a system for generating electromagnetic signals that resonate in a cavity having a plurality of reflectors resulting in resonating electromagnetic signals and combining the resonating electromagnetic signals to form an electromagnetic wave that traverses a reflector and couples onto a physical transmission medium. Other embodiments are disclosed.

Abstract: A base station (BS) in a wireless communication system is provided. The BS comprises a processor configured to determine frequency units within a frequency range for a bandwidth of an operating carrier, wherein a listen-before-talk (LBT) operation is performed over each of the frequency units; and determine, for each of the frequency units, a set of intended spatial transmit (TX) parameters and a set of spatial receiver (RX) parameters of the LBT operation; and determine a subset of the frequency units for a downlink transmission based on the LBT operation performed over each of the frequency units; and a transceiver operably connected to processor, which is configured to transmit, to a user equipment (UE), downlink channels using the bandwidth corresponding to the determined subset of the frequency units.

Abstract: A system includes a transceiver configured to receive frequency dependent channel estimates or beamforming feedback in a multi-carrier, multi-antenna communication system, and a multi-layer perceptron feed forward neural network component, coupled with the transceiver, configured to estimate parameters of multipath reflections using representations of the channel estimates or beamforming feedback, and to generate transmission correction factors for the transceiver.

Abstract: A tower-mounted networking device facilitates deploying a remote station without having to build a custom station aside a radio tower. The networking device's chassis comprises a mounting bracket, which includes a curved contour for mounting the networking device on the radio tower. Also, the chassis can be resistant to weather intrusion, by not including a vent, to allow the networking device to be installed outdoors. The networking device can include a first power port coupled to an external connection line from a source external to the tower, such that the external connection line provides at least power to the networking device. The networking device can use the power to power a set of antenna mounted on the radio tower. The networking device can also relay a network connection between a pair of antennas, and/or between an antenna and a network connection to an Internet service provider.

Abstract: A method for a terminal receiving signaling for a phase feedback can comprise the steps of: receiving, from a base station, control information including first information indicating whether the terminal must perform the phase feedback for a plurality of beams; and determining whether to perform the phase feedback on the basis of the control information.

Abstract: According to one embodiment, an electronic apparatus includes a power transmitter, a receiver and control circuitry. The power transmitter is configured to transmit power to a first electronic apparatus by an electromagnetic waves. The receiver is configured to receive a communication signal wirelessly from a second electronic apparatus. The control circuitry is configured to control power transmitted by the power transmitter, based on at least detection sensitivity of the receiver.

Abstract: A method for repetition of uplink transmissions comprises: a repeater apparatus, aka uplink repeater, has a controller, a downlink receiver and an uplink transmitter and receiver. Use the downlink receiver to receive a downlink signal from a base station whose cell the uplink repeater is serving. For downlink frame(s) thus received: the controller demodulates at least a portion of the downlink frame and extracts MAP_D data describing allocation of an uplink transmission in upcoming uplink frame(s) to be transmitted after the downlink frame; controller determines a subset of UL transmission allocations to be repeated, to define a subset of mobile stations in the cell, whose uplink transmissions are to be repeated; the uplink receiver receives the UL transmissions to be repeated from each mobile station, and repeats the UL transmissions to be repeated by commanding the UL transmitter to send the content.

Abstract: A method and apparatus for transmitting RF signals is described. In one embodiment, the apparatus is evidenced by a multi-band antenna assembly. The multi-band antenna assembly comprises of a base portion, a blade antenna supporting omni-directional beam while the second one is an antenna array that has a directional beam. The top portion comprises a first surface facing away from the base portion, the first surface having an first antenna array including a plurality of first antenna elements; a second surface facing the base portion; and a peripheral surface on a periphery of the top portion and disposed between the first surface and the second surface, the peripheral surface comprising one or more further antenna arrays having a plurality of further antenna elements.

Abstract: A wireless device includes a radio, a first directional antenna, a second directional antenna, an omnidirectional antenna, and a switch selectively coupled between the radio and the first directional antenna, the second directional antenna, and the omnidirectional antenna. A processor is coupled to the switch and to, for a frame: determine, based on an arbitration table, a destination medium access control address of a client wireless device and identifiers of antennas for transmitting the frame and receiving acknowledgement data; cause the switch to couple the radio to the first directional antenna; transmit the frame to the client wireless device via the first directional antenna, wherein the first client wireless device is located along a first direction with respect to the wireless device; cause the switch to couple the radio to the omnidirectional antenna; and receive an acknowledgment, corresponding to the frame, from the client wireless device via the omnidirectional antenna.

Abstract: A combining apparatus for use in a satellite communication system and a method for using the same.

Abstract: A wireless communications system includes a first transceiver with a first phased array antenna panel having horizontal-polarization receive antennas and vertical-polarization transmit antennas, where the horizontal-polarization receive antennas form a first receive beam based on receive phase and receive amplitude information provided by a first master chip, the vertical-polarization transmit antennas form a first transmit beam based on transmit phase and transmit amplitude information provided by the first master chip.

Abstract: A plug-in network device is disclosed. The plug-in network device can be used in association with a network management system and an infrastructure network device. The plug-in network device includes two antenna arrays, one of which is up-facing and one of which is front-facing. The plug-in network device can achieve wireless communication with the infrastructure network device via the up-facing antenna array and provide network services to wireless stations through the front-facing antenna array. The network management system can manage both the infrastructure network device and the plug-in network device.

Abstract: A method (20) of calibrating an antenna system (10) comprising a number of antenna elements is provided.

Abstract: Technology for a diversity bi-directional repeater is disclosed. The diversity bi-directional repeater can include a first interface port, a second interface port, a 1st first-direction signal amplification and filtering path communicatively coupled between the first interface port and the second interface port, and a 1st second direction signal amplification and filtering path communicatively coupled between the first interface port and the second interface port. The diversity bi-directional repeater can further include a third interface port, a fourth interface port, a 2nd first-direction signal amplification and filtering path communicatively coupled between the third interface port and the fourth interface port, and a 2nd second direction signal amplification and filtering path communicatively coupled between the third interface port and the fourth interface port.

Abstract: A distributed antenna system (DAS) includes: a base station network interface; and a remote antenna unit communicatively coupled to the first base station interface, the remote antenna unit including an antenna. The remote antenna unit configured to: receive a radio frequency band signal from a subscriber unit; convert the radio frequency band signal into a data stream; and communicate the data stream with the first base station network interface. The first base station network interface is configured to: convert the data stream or a signal derived from the data stream into a communication signal, wherein a mater reference clock is distributed between various components of the DAS to keep the various components of the DAS locked to a single clock; and communicate the communication signal and the master reference clock to an external device, the external device configured to lock its clock to the master reference clock.

Abstract: Disclosed is method of transmitting wireless variable AV according to channel environment, the AV format, code rate, and modulation index based on the lookup table according to the data rate. The modulation index, AV format, code rate, and output level may be adjusted step by step based on an SNR and/or a BER to provide a high quality image according to a channel environment.

Abstract: A communication device is arranged to operate in a cellular communication system and report Channel State Information, CSI, including a channel quality by a Channel Quality Indicator, CQI, which reports a CQI set. The communication device comprises a receiver arranged to receive antenna-specific reference signals, a channel estimator arranged to evaluate channel conditions from the reference signals to determine values of a CQI set, a reporting processor arranged to determine whether a bounded differential reporting format prevents values of the CQI set to be accurately reported, and to determine a CQI set such that the bounded differential reporting format allows the values of the CQI set to be reported to reduce under-reporting or over-reporting errors that arise from the use of the bounded differential reporting format, and to form a CSI report including the values of the CQI set using the bounded differential reporting format, and a transmitter arranged to send the CSI report.

Abstract: A method and apparatus for transmitting an uplink beam scanning signal in a wireless communication system is provided. A terminal first performs downlink beam scanning, and then transmits the uplink beam scanning signal to a base station through a time-frequency resource corresponding to a beam selected according to the downlink beam scanning. The terminal may transmit information on the downlink beam scanning to the base station. The base station may divide a plurality of terminals into a plurality of groups on the basis of information on downlink beam scanning, received from the plurality of terminals, and perform uplink beam scanning for only uplink beams which are selected corresponding to the plurality of groups among all the uplink beams.

Abstract: Apparatuses, methods, and systems for adaptive sectoring of a wireless base station are disclosed. An apparatus includes a base station, wherein the base station includes a communication processing system operative to perform baseband processing of receive or transmit baseband signals. The base station further includes a plurality of antennas, wherein the plurality of antennas are connected to the communication processing system, wherein a plurality of subsets of the plurality of antennas operate to form a plurality of sectors, wherein each sector of each subset of the plurality of antennas is operative to cover a selectable coverage area as determined by a width of a beamforming pattern formed by a subset of the plurality of antennas of the sector, wherein the selectable coverage area of each of the sectors is adaptively selected based on a data demand at different locations within the coverage area.

Abstract: A beam alignment method for an antenna array is provided. In the method, a base station uses multi-modal beam patterns for transmitting several synchronization signals. User equipment scans the synchronization signals, determines a synchronization signal with the strongest received power and a receive beam direction corresponding thereto, and transmits an initial access message including index information indicating the strongest synchronization signal.

Abstract: A self-learning 5G cognitive emergency-management system responds to a triggering condition by instructing a network to open an ad hoc channel to Internet of Things (IoT) devices associated with a mass assembly of users. The system begins tracking the movements of the assembly members by performing trilateration procedures on each user's IoT device. Using artificial intelligence or cognitive analytics, the system identifies and correlates patterns in the aggregated movements of the assembly with other tracked parameters received from the IoT devices and with contextual information retrieved from extrinsic sources. The system infers aggregated user sentiment from these correlations and determines whether the movements or sentiment suggest that an unexpected event is having an adverse impact on the assembly. If so, the system takes corrective action, such as notifying an emergency-management resource or transmitting information or instructions to the assembly members.

Abstract: A system for wireless power delivery, preferably including one or more power receivers and a power delivery device (or multiple power delivery devices). The power delivery device preferably includes a housing and a transmitter. Each power receiver preferably includes one or more receiver antennas and electrical loads. A method for wireless power delivery, preferably including determining transmitter-receiver proximity, determining transmission parameter values, and/or transmitting power based on the transmission parameter values.

Abstract: A method for operating cells, performed by a central unit (CU) using at least one antenna assembly arranged around a moving path of moving objects, may comprise forming a cell for each of at least two layers by using the at least one antenna assembly; and moving the cell at a speed configured for a layer corresponding to the cell, wherein the cell is connected to a moving object having a speed corresponding to the speed configured for the layer corresponding to the cell.

Abstract: A method and system is provided that reduces SAR resulting from RF electromagnetic field radiation of mobile communication device that is exposed to the user while holding it next to the ear or carrying it next to the body. Based on the method, a software application will run on the mobile devices that applies safety rules, adapts dynamically to the user's environment and preference during the critical use-cases when the mobile device is held next to the ear or when it is carried next to the body, and when there are strong signals at the user's current location from multiple transmitting systems that include but not limited to WiFi access points and cellular base station.

Abstract: A wireless communications system includes a first transceiver with a first phased array antenna panel having horizontal-polarization receive antennas and vertical-polarization transmit antennas, where the horizontal-polarization receive antennas form a first receive beam based on receive phase and receive amplitude information provided by a first master chip, the vertical-polarization transmit antennas form a first transmit beam based on transmit phase and transmit amplitude information provided by the first master chip.