Abstract: The present disclosure relates to an electronic apparatus, a wireless communication method, and a computer-readable medium. According to one embodiment, an electronic apparatus used at a base station side comprises a processing circuit. The processing circuit is configured to carry out control so as to carry out multiple-input multiple-output transmission by means of two or more transmitting and receiving points, and to send indication information to a user equipment, wherein the indication information is related to a scheme of mapping between a spatial multiplexing layer and a code word for transmission by means of two or more transmitting and receiving points.

Abstract: Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises a processing circuit, which is configured to: determine paired beam pairs between a user equipment and a base station, each of the beam pairs comprising a transmitting beam of the base station and a receiving beam of the user equipment; and determine one or more receiving beams needing to be used for receiving a group shared physical downlink control channel from the base station, the group shared physical downlink control channel bearing control information for one group of user equipments and being transmitted via a plurality of transmitting beams after the base station carries out beamforming.

Abstract: The present invention discloses wireless communication method and wireless communication apparatus. Provided is an electronic equipment for a first communication apparatus of a wireless communication system, comprising: a number of antenna sub-arrays, each sub-array comprising a plurality of antennas, each column or row in the sub-array corresponding to one input terminal; a plurality of groups of first direction phase shifter, wherein the first direction phase shifters in each group are disposed between the input terminal of the corresponding sub array and a radio frequency chain, wherein each group of the plurality of groups of first direction phase shifters is configured to adjust a first direction angle of an antenna wave beam for transmitting a corresponding radio frequency chain signal in a first direction in accordance with a first control signal.

Abstract: The present disclosure relates to an electronic device, a method, and a storage medium for a wireless communication system. Various embodiments regarding beam pair selection are described. In one embodiment, an electronic device for a wireless communication system can comprise a processing circuitry configured to determine K beam pairs in a communication link between a first communication apparatus and a second communication apparatus for a wireless communication system, where K is a natural number, and each beam pair comprises a transmitting beam and a receiving beam; and calculate a beam gain gradient for each beam pair, wherein the beam gain gradient indicates a spatial gain variation of a respective beam pair.

Abstract: The present disclosure relates to electronic devices, methods, and storage medium for wireless communication system. Various embodiments are described with respect to beam management. In one embodiment, an electronic device for a base station side in a wireless communication system can comprise a processing circuitry configured to repetitively transmit a synchronization signal (SS) to a terminal device by using different transmit (TX) beams based on a TX beam configuration; the SS can indicate information of the TX beam used to transmit the SS. The processing circuitry can be configured to obtain feedback from the terminal device; the feedback can comprise information of the TX beam for being used in TX beam management.

Abstract: Provided are a device and method for a wireless communication system, and a computer readable storage medium. The device comprises a processing circuit. The processing circuit is configured to: acquire the current three-dimensional spatial location of a user equipment, and determine a resource for the user equipment according to information showing a mapping relationship at least between three-dimensional spatial regions and resources. According to an aspect of the embodiment of the present disclosure, time delay can be decreased and transmission performance can be optimized by pre-establishing a mapping relationship between three-dimensional spatial regions and resources and assigning to the user equipment an uplink/downlink time-frequency resource on the basis of the mapping relationship.

Abstract: The present invention relates to a user equipment, an electronic device, a wireless communication method, and a storage medium. The user equipment according to the present invention comprises a processing circuit configured to: demodulate a downlink signal from a network side device to obtain a Physical Downlink Control Channel (PDCCH) comprised in the downlink signal; and determine, according to the content of Downlink Control Information (DCI) born on the PDCCH, whether to implement Hybrid Automatic Repeat Request (HARD) feedback for the DCI. The use of the user equipment, the electronic device, the wireless communication method, and a computer readable storage medium according to the present invention can improve the reliability of control information born on a PDCCH.

Abstract: An electronic device at a base station end includes a processing circuit, the processing circuit being configured to: configure, in response to request signalling from a user equipment, an aperiodic beam-forming reference signal relevant to a first beam group for the user equipment, wherein the first beam group is determined by a base station according to channel state information periodically fed back by the user equipment; generate downlink control information, so as to indicate that the user equipment feeds back beam selection information according to the aperiodic beam-forming reference signal; determine, according to the beam selection information, one or a plurality of candidate beams and one or a plurality of corresponding second pre-coding codebooks; and determine an effective pre-coding codebook based on the one or multiple second pre-coding codebooks.

Abstract: An electronic device and a communication method. The electronic device comprises: a processing circuit, configured to: determine transmitting signals simultaneously to at least two user devices and proximity of directions of downlink transmission signals for the at least two user devices satisfying a predetermined condition; and acquire, an amount of antenna elements to be activated for downlink beamforming, which is determined based on the directions of downlink transmission signals for the at least two user devices.

Abstract: The present disclosure relates to electronic device, method and storage medium for a wireless communication system. One embodiment of the present disclosure proposes beam management based on matching condition of channel path parameters under different beams. An electronic device includes a processing circuitry configured to: estimate, based on reference signals which are transmitted from the transmitter of the wireless communication system based on at least one second beam included in coverage of a first beam, parameters for channel paths from the transmitter to the receiver corresponding to the second beam, and wherein a particular second beam of the at least one second beam is selected based on the estimated parameters for channel paths, and the estimated parameter for channel path corresponding to the particular second beam matches parameter for channel path corresponding to the first beam.

Abstract: An electronic device at a base station end includes a processing circuit, the processing circuit being configured to: configure, in response to request signalling from a user equipment, an aperiodic beam-forming reference signal relevant to a first beam group for the user equipment, wherein the first beam group is determined by a base station according to channel state information periodically fed back by the user equipment; generate downlink control information, so as to indicate that the user equipment feeds back beam selection information according to the aperiodic beam-forming reference signal; determine, according to the beam selection information, one or a plurality of candidate beams and one or a plurality of corresponding second pre-coding codebooks; and determine an effective pre-coding codebook based on the one or multiple second pre-coding codebooks.

Abstract: The present disclosure relates to an electronic device, a method, and storage medium for a wireless communication system. Various embodiments regarding managing beam pairs are described. In an embodiment, an electronic device used on a terminal device side in a wireless communication system can comprise a processing circuit that can be configured to determine a beam pair quality indication of a plurality of downlink beam pairs. The beam pair quality indication can represent quality of service that can be offered by a corresponding beam pair, and can comprise a plurality of beam pair quality indication elements. The plurality of beam pair quality indication elements comprise at least degree of stability of the measurement metrics.

Abstract: An electronic device for a first communication device equipped with a plurality of antennas of a wireless communication system includes a processing circuit configured to configure a first transmission from the first communication device to a second communication device based on a plurality of sets of first sub-configuration parameters separately, so that a specific set of first sub-configuration parameters are determined based on information related to the first transmission; configure a second transmission from the first communication device to a second communication device based on a plurality of sets of second sub-configuration parameters separately; and configure a subsequent transmission from the first communication device to a second communication device based on a specific set of first configuration parameters which are determined based on combination of the specific set of first sub-configuration parameters and the specific set of second sub-configuration parameters.

Abstract: Provided are an electronic device and a method in a radio communication system. The electronic device comprises a processing circuit. The processing circuit is configured to determine, based on information indicating inter-cell interference and information indicating intra-cell interference fed back by multiple user equipment, a transmission resource configuration regarding the multiple user equipment. According to at least one embodiment of the present disclosure, it can effectively solve the problem that system overheads for determining multi-user pairing significantly increase due to the presence of a large number of user equipment to be paired when multi-user multiple-input and multiple-output (MU-MIMO) transmission is performed, while system fairness and throughputs are also achieved.

Abstract: Provided in the disclosure are an electronic device and method for a network control terminal, and an electronic device and method for a network node. The electronic device and method for a network control terminal comprise: a processing circuit configured to determine, based on first indication information from an adjacent network control terminal, that a network node served by the present network control terminal measures a channel state information reference signal (CSI RS) port of reference signal receiving power (RSRP) of same, wherein the first indication information indicates an interference state of the CSI RS port used by the corresponding adjacent network control terminal; and determine, based on a measurement result from the network node, the adjacent network control terminal interfering with the network node, and the CSI RS port thereof.

Abstract: The present disclosure relates to an electronic device and communication method. An electronic device used in a first terminal device side is configured for acquiring configuration information of reference signals of a second cell from a first control device of a first cell, measuring the reference signals based on the configuration information and feeding back information indicating the space beams in the second cell interfering with the first terminal device to the first control device.

Abstract: The present invention provides an apparatus and a method in a wireless communication system, and a computer-readable storage medium. The apparatus comprises processing circuitry. The processing circuitry is configured to: determine, according to control information from a base station for simultaneously scheduling a user equipment (UE) and other UEs to perform multi-user multiple input multiple output (MU-MIMO) transmission, transmission-related configurations of other UEs, the control information comprising information indirectly indicating transmission-related configurations of other UEs; and decode, on the basis of the determined transmission-related configurations of other UEs, signals received from the base station, to obtain signals for the UE.

Abstract: Provided are an electronic device and method used for wireless communication. The electronic device comprises: a processing circuit, configured to: acquire a first candidate list of a first mobile base station, wherein the first candidate list comprises at least some neighbour nodes of the first mobile base station; determine a neighbour node as a second mobile base station from the first candidate list, wherein the second mobile base station is capable of replacing the first mobile base station as a successor base station of the first mobile base station for continuing to provide a service for a current user; and acquiring a second candidate list of the second mobile base station, wherein the second candidate list comprises at least some neighbour nodes of the second mobile base station.

Abstract: The present disclosure relates to an electronic device and communication method. The electronic device used in a first terminal device side of a wireless communication system including: a memory for storing computer instructions; and a processing circuit configured to perform the computer instructions stored thereon for: measuring a first reference signal subject to a first precoding from a base station, wherein a first precoding matrix for the first precoding is determined by the base station based on respective channel states fed back from a plurality of candidate terminal devices, wherein the first terminal device is included in the plurality of candidate terminal devices; determining an interference of other terminal devices in the plurality of candidate terminal devices to the first terminal device based on a result of the measuring and information about the first precoding; and feeding back information indicating the interference to the base station.

Abstract: The present disclosure relates to an electronic device and communication method. The electronic device comprising a RF link unit radiating a data stream in form of electromagnetic wave radiation onto a phase shifter; a processing circuitry configured to determine an analog precoding matrix; phase shifters, each of which for performing analog precoding on the received signal of the electromagnetic wave radiation according to the determined analog precoding matrix, and an antenna array, each of antenna elements of which transmits the analog precoded signal, wherein the number of the phase shifters is the same as the number of the antenna elements of the antenna array, and the phase shifters and the antenna elements are in one-to-one correspondence.