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: select G transmit beam groups from K transmit beams of a network side device; and sending information about the selected G transmit beam groups to the network side device, wherein each of the G transmit beam groups comprises N transmit beams, the user equipment is capable of simultaneously receiving downlink information that the network side device sends by using the N transmit beams, and K, N, G are all integers greater than 1. The use of the user equipment, the electronic device, the wireless communication method, and the storage medium according to the present invention can improve beam selection process in a system that uses a beamforming technique.

Abstract: The present disclosure relates to electronic devices, methods, and storage medium for a 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: An electronic device and communication method are disclosed. The electronic device comprises a processing circuit configured to perform a pre-processing operation on a first one-dimensional sequence of modulation symbols, the pre-processing operation including: performing a dimension-increasing conversion to convert the first one-dimensional sequence of modulation symbols into a first multi-dimensional modulation symbol block; transforming the first multi-dimensional modulation symbol block into a second multi-dimensional modulation symbol block with a first transformation, wherein the first transformation couples each symbol in the first multi-dimensional modulation symbol block with each other; and performing a dimension-decreasing conversion to convert the second multi-dimensional modulation symbol block into a second one-dimensional sequence of modulation symbols, wherein the dimension-decreasing conversion is an inverse process of the dimension-increasing conversion.

Abstract: The present disclosure relates to electronic device, method for wireless communication system and storage medium. The present disclosure proposes an electronic device on a control device side for a wireless communication system, comprising: a processing circuit configured to group a plurality of terminal devices of the wireless communication system into one linear precoding terminal device group and one or more nonlinear precoding terminal device groups based on respective nonlinear precoding capabilities and channel state information of the plurality of terminal devices; and notify each terminal device whether nonlinear precoding or linear precoding is to be employed in communication for the terminal device by means of a nonlinear precoding indicator based on the grouping.

Abstract: An apparatus and method in a wireless communication system and a computer readable storage medium. The apparatus comprises a processing circuit, which is configured to: configure a sounding reference signal (SRS) mapping structure for a user equipment on the basis of at least the number of antenna ports of the user equipment and the number of transmitting beams and/or receiving beams to be scanned; and notify the user equipment of the SRS mapping structure, wherein the SRS mapping structure at least comprises SRS resource settings for achieving uplink beam management and channel state information (CSI) acquisition at the same time, thereby reducing the system time delay and improving the uplink resource utilization rate.

Abstract: The present disclosure provides an electronic device and a method for wireless communication, and a computer readable storage medium. The electronic device comprises: a processing circuit configured to determine that a beam failure event occurs on a downlink of an unlicensed band, and to execute, on the unlicensed band and in a beam failure recovery process for the beam failure event, delay reduced clear channel assessment-based uplink transmission.

Abstract: An electronic device and method for wireless communication system, and a storage medium. In the method, reference signal are carried merely on a part of communication sources for channel estimation, channel states on the communication resources carrying the reference signal are estimated, and conditions of channel paths from a transmitter to a receiver are estimated by using the estimated channel states of the communication resources. Thereby, channel states on other communication resources from the transmitter to the receiver can be obtained from the estimated channel path conditions.

Abstract: The present disclosure provides 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: generate downlink control information used for indicating a unified transmission configuration indication (TCI) state, the downlink control information comprising at least one of downlink control information used for uplink scheduling and newly defined downlink control information, wherein the unified TCI state is used to indicate both downlink beams and uplink beams; and send the downlink control information to a user equipment.

Abstract: The disclosure relates to an electronic device and method for a wireless communication system, and a storage medium. Various embodiments regarding beam management are described. In one embodiment, an electronic device for a terminal device side in a wireless communication system can comprise a processing circuit system. The processing circuit system can be configured to obtain random access configuration information, and send a random access preamble based on the random access configuration information, so as to indicate one or more transmission beams of a base station side, in a downlink, paired with one or more receiving beams at the terminal device side.

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: Disclosed are an electronic device and a communication method in a wireless communication system. Provided is a transmit-side electronic device in a wireless communication system, the electronic device including a processing circuit configured to determine a group common beam for communication with a group of terminal devices in the wireless communication system, the group of terminal devices comprising one or more terminal devices; and transmit information about the group common beam to at least one of the terminal devices by using the determined group common beam.

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 an electronic device, a wireless communication method and a computer-readable medium. The electronic apparatus for wireless communication according to one embodiment comprises a processing circuit. The processing circuit is configured to perform control to carry out carrier aggregation communication with a base station by means of at least a first cell and a second cell. The processing circuit is further configured to perform control to send first information for beam failure recovery of the second cell to the base station by means of the first cell.

Abstract: The present disclosure relates to an electronic device, a communication method and a storage medium in a wireless communication system. There is provided an electronic device on side of a base station, comprising a processing circuitry configured to: determine a first beam for a first transport channel between the base station and an UE; send, to the UE, a dynamic signaling including beam indication information on the first beam, such that a beam for the first transport channel is updated to the first beam; and in a case where the updating of the beam for the first transport channel is successful, update a beam for a second transport channel and/or a reference signal between the base station and the UE to the first beam.

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 disclosure provides an electronic device for wireless communication. The electronic device comprises a processing circuit. The processing circuit is configured to: receive, from a user equipment, reporting information about the capability of the user equipment to support multi-frequency domain resource transmission and multi-beam transmission; generate control signaling, wherein the control signaling comprises indication information for indicating frequency domain resources and beams used for communication with the user equipment, and the frequency domain resources and the beams have a binding relationship; and send the control signaling to the user equipment.

Abstract: Disclosed are electronic devices and communication methods. An electronic device comprises a processing circuit, the processing circuit being configured to: receive an RRC signaling and/or a MAC CE signaling from a control-side electronic device; determine, based on a first beam indication information of control channel in the RRC signaling and/or the MAC CE signaling, an activated beam for performing a transmission in the physical control channel with the control-side electronic device; rewrite the activated beam based on a second beam indication information of control channel included in a downlink control information (DCI) carried by a physical downlink control channel (PDCCH); and use the rewritten activated beam to perform the transmission in the physical control channel with the control-side electronic device.

Abstract: An electronic device and method for wireless communication system, and a storage medium. In the method, reference signal are carried merely on a part of communication sources for channel estimation, channel states on the communication resources carrying the reference signal are estimated, and conditions of channel paths from a transmitter to a receiver are estimated by using the estimated channel states of the communication resources. Thereby, channel states on other communication resources from the transmitter to the receiver can be obtained from the estimated channel path conditions.

Abstract: The disclosure relates to an electronic device and method for a wireless communication system, and a storage medium. Various embodiments regarding beam management are described. In one embodiment, an electronic device for a terminal device side in a wireless communication system can comprise a processing circuit system. The processing circuit system can be configured to obtain random access configuration information, and send a random access preamble based on the random access configuration information, so as to indicate one or more transmission beams of a base station side, in a downlink, paired with one or more receiving beams at the terminal device side.

Abstract: An apparatus and method in a wireless communication system and a computer readable storage medium. The apparatus comprises a processing circuit, which is configured to: configure a sounding reference signal (SRS) mapping structure for a user equipment on the basis of at least the number of antenna ports of the user equipment and the number of transmitting beams and/or receiving beams to be scanned; and notify the user equipment of the SRS mapping structure, wherein the SRS mapping structure at least comprises SRS resource settings for achieving uplink beam management and channel state information (CSI) acquisition at the same time, thereby reducing the system time delay and improving the uplink resource utilization rate.