Patent classifications
H04B7/0617
BEAMFORMING AND CARRIER AGGREGATION
A device configured for operating in a wireless communication network and for performing communication with a communication partner within the wireless communication network by exchanging a wireless signal is configured for communicating with the communication partner using a beamforming technique to form a transmit beam pattern being a beam pattern selected from a plurality of transmit beam patterns being formable by the device. The device is configured for providing, responsive to a trigger event, a number of transmit beam patterns being at least a subset of the plurality of formable transmit beam patterns to the communication partner or a different entity of the wireless communication network. The device is configured for receiving feedback information relating to the beam patterns of the number of beam patterns; and for using at least one of the provided number of beam patterns based on the feedback information as a selected beam pattern.
AIDED ANTENNA CALIBRATION FOR SHARED RADIO SYSTEMS
A method, network node and wireless device (WD) for New Radio (NR)-WD antenna calibration for Long Term Evolution (LTE)-NR radio-shared systems are disclosed. According to one aspect, a method in a network node configured to communicate with first wireless devices according to a first radio access technology and to communicate with second wireless devices according to a second radio access technology is provided. The method includes determining a delay and phase error at a first processing block based at least in part on feedback from at least one of the first wireless devices. The method also includes compensating a first transmitted signal based at least in part on the determined delay and phase error. The method further includes compensating at a second processing block a second transmitted signal based at least in part on the determined delay and phase error received from the first processing block.
ELECTRONIC DEVICE, WIRELESS COMMUNICATION METHOD, AND COMPUTER READABLE STORAGE MEDIUM
An electronic device includes a processing circuit, configured to: determine an interference relationship graph between multiple base station devices according to environmental information and/or transmit beam information of each of the multiple base station devices; determine a uplink and downlink subframe configuration mode of each base station device according to the interference relationship graph; and determine a transmission time period of each base station device according to the uplink and downlink subframe configuration mode of each base station device, so that transmission time periods of two adjacent base station devices having different uplink and downlink subframe configuration modes do not overlap. By using the electronic device, the wireless communication method, and the computer readable storage medium according to the present invention, uplink and downlink subframe configuration modes and transmission time can be set for the multiple base station devices within a predetermined region, thereby reducing the interference between base stations.
TRANSMISSION CONFIGURATION INDICATOR STATE ACTIVATION FOR MULTIPLE TRANSMISSION RECEPTION POINTS
Methods, systems, and devices for signaling for transmission configuration indication (TCI) state activation for multiple transmission reception points are described. A user equipment (UE) may receive at least one control message indicating a first set of beam configurations associated with a first downlink shared channel from a first transmission reception point (TRP) and a second set of beam configurations associated with a second downlink shared channel from a second TRP. The UE may receive downlink control information (DCI) from the first and second TRPs indicating a first beam configuration of the first set of beam configurations and a second beam configuration of the second set of beam configurations, respectively. The UE may subsequently decode a first downlink transmission from the first downlink shared channel according to the first beam configuration and a second downlink transmission from the second downlink shared channel according to the second beam configuration.
RECEPTION APPARATUS AND METHOD FOR DEMODULATING SIGNAL IN WIRELESS AV SYSTEM
The present specification relates to a reception apparatus and method for demodulating a signal in a wireless AV system. The reception apparatus estimates a transmission signal on the basis of an MMSE weight matrix. The reception apparatus divides the estimated transmission signal for respective reception antennas and performs an IFFT. The reception apparatus estimates and compensates for phase noise for the respective reception antennas on the basis of the signal for which the IFFT has been performed. The reception apparatus demodulates the estimated and compensated signal for respective streams.
METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION
The present application provides a method and device in nodes used for wireless communications. A first node receives a first information block, and then transmits a first signal in a first time unit group and transmits a second signal in a second time unit group; a start time of the first time unit group is earlier than a start time of the second time unit group; the first information block is used to determine a first index group and a second index group, the first index group comprises an index of each time unit in the first time unit group, and the second index group comprises an index of each time unit in the second time unit group; a minimum value of the second index group minus a maximum value of the first index group is equal to a target integer.
VEHICLE-TO-EVERYTHING (V2X) COMMUNICATION TRANSMIT PARAMETER SELECTION USING JOINT COMMUNICATION-RADAR SIDE INFORMATION
A method of wireless communication by a first user equipment (UE) includes receiving a vehicle-to-everything (V2X) message from a second UE. The method also includes periodically transmitting and receiving a radar signal to sense an environment of the first UE. The method includes estimating joint communication and radar side information based on the V2X message and the radar signal. The method further includes predicting a communication state between the first UE and the second UE based on the joint communication and radar side information. The method still further includes updating communication transmit parameters based on the communication state.
METHODS FOR REPORTING ENCRYPTION CAPABILITY
A method according to some embodiments include reporting, by a beamformee, an encryption capability indicator to a beamformer, wherein the encryption capability indicator is indicative of a capability of the beamformee to encrypt a feedback frame. The method may also include receiving, by the beamformee from the beamformer, an announcement frame in response to the beamformer receiving an indication that the beamformee is capable of encrypting the feedback frame, and then sending, by the beamformee, an encrypted feedback frame.
SHAPING mmWAVE WIRELESS CHANNEL VIA MULTI-BEAM DESIGN USING RECONFIGURABLE INTELLIGENT SURFACES
A method for shaping a mmWave wireless channel in a wireless network is presented. The method includes enabling communication between a multi-antenna transmitter and a multi-antenna receiver, positioning a reconfigurable intelligent surface (RIS) in a vicinity of the multi-antenna transmitter and the multi-antenna receiver, constructing the RIS as a uniform planar array (UPA) structure forming a multi-beamforming framework, a surface of the UPA defining an array of discrete elements arranged in a grid pattern, wherein parameters of the discrete elements of the UPA are controllable to achieve multiple disjoint beams covering different solid angles, and enabling the plurality of users of the plurality of mobile devices positioned in blind spots of a coverage map to communicate with the multi-antenna transmitter by employing the MS to generate sharp and effective beams having almost uniform gain in a desired angular coverage interval (ACI).
TRANSFER/FEDERATED LEARNING APPROACHES TO MITIGATE BLOCKAGE IN MILLIMETER WAVE SYSTEMS
A UE may train a NN, based on a blockage of a beam transmission, to indicate one or more beam weights in association with the blockage of the beam transmission. The UE may store, in an ML database, information indicative of at least one of the trained NN or the one or more beam weights indicated via the trained NN, such that the UE may communicate, to an ML server, the information via the trained NN. The ML server may train the NN, based on a TL/FL procedure for the one or more beam weights associated with the at least one blockage, to indicate one or more TL/FL beam weights in association with the at least one blockage, and communicate, to at least one UE, information indicative of at least one of the trained NN or the one or more TL/FL beam weights indicated via the trained NN.