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 an electronic device, a wireless communication method, and a computer-readable medium. According to one embodiment, provided is an electronic device comprising a processing circuit and used for a user equipment side; the processing circuit is configured to control to transmit a non-precoded first uplink reference signal, receive feedback by a base station regarding the first uplink reference signal, and sending, on the basis of said feedback, a pre-coded second uplink reference signal.

Abstract: An electronic device for a backhaul network, wherein the backhaul network comprises a first communication apparatus connected to a core network and a plurality of second communication apparatuses performing wireless communication with the first communication apparatus, includes: processing circuitry configured to perform control to cause the first communication apparatus comprising the electronic device to: operate as a primary donor; select at least one second communication apparatus of the plurality of second communication apparatuses as a secondary donor; transmit a first indicating signal to the selected at least one second communication apparatus, the first indicating signal comprising node type information indicating the secondary donor; transmit a second indicating signal to a second communication apparatus that are not selected, the second indicating signal comprising node type information indicating a member node.

Abstract: An electronic device operating on a base station side and includes a processing circuit configured to perform control to cause the electronic device to: estimate channel correlation in a first direction among a plurality of terminals communicating with the base station; and in response to that the estimated channel correlation in the first direction among the plurality of terminals satisfies a predetermined condition, transmit a first indication signal to indicate that a second measurement process is to be performed to determine channel information in a second direction after a first measurement process is to be performed to determine channel information in the first direction, and transmit, based on the channel information in the second direction, a second indication signal to indicate a precoding scheme for data to be transmitted from the base station to the plurality of terminals, the precoding scheme including linear precoding or non-linear precoding.

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 includes a processing circuit, configured to: configure one or multiple CMR and one or multiple IMR, and use a transmission beam corresponding to the one or multiple CMR to send a downlink signal to a user device, such that the user device: uses a receiving beam to receive the downlink signal from the transmission beam; determines the signal power on the basis of the signal quality measured on the CMR and determines the interference power on the basis of the signal quality measured on the IMR; and, on the basis of the signal power and the interference power, determines the signal-to-noise ratio between the transmission beam and the receiving beam. The device and process enables a network side device and the user device can more rationally select a transmission beam and a receiving beam.

Abstract: Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit configured to: determine a first aperiodic sounding reference signal resource, the beam transmission direction of which is updated by first MAC CE signaling; and re-determine a path loss reference signal for the first aperiodic sounding reference signal resource on the basis of beam transmission direction information of the first aperiodic sounding reference signal resource in the first MAC CE signaling, or second MAC CE signaling.

Abstract: An electronic device and method for wireless communication, the method including detecting a beam quality of a currently serving beam; starting a prediction window when the detected beam quality is within a particular range, and evaluating the beam quality of the currently serving beam within the prediction window.

Abstract: The present disclosure relates to an electronic device, a wireless communication method, and a computer-readable medium. According to one embodiment, provided is an electronic device comprising a processing circuit and used for a user equipment side; the processing circuit is configured to control to transmit a non-precoded first uplink reference signal, receive feedback by a base station regarding the first uplink reference signal, and sending, on the basis of said feedback, a pre-coded second uplink reference signal.

Abstract: An electronic device includes a processing circuit configured to execute a beam measurement process, so as to determine, under each pre-set interference scene, the channel quality between each receiving beam of the electronic device and each transmitting beam of a network side device serving the electronic device, and determine a receiving beam according to the channel quality under each pre-set interference scene, the transmitting beam of the network side device and a pre-set interference scene in which the electronic device is located, such that a signal-to-interference-and-noise ratio obtained when the electronic device uses the determined receiving beam to receive a signal is the maximum, the pre-set interference scene representing an interference situation of the network side device around the electronic device to the electronic device.

Abstract: Disclosed are a user equipment unit in a wireless communication system, an electronic apparatus, a method, and a storage medium. The user equipment unit in a wireless communication system communicates with an electronic apparatus in the wireless communication system by means of a primary cell and multiple secondary cells. The user equipment unit comprises one or more processing circuits. The processing circuit is configured to perform the following operations: determining whether each of the multiple secondary cells experiences a beam failure; and if it is determined that beam failures have occurred on at least two of the multiple secondary cells, setting a medium access control control element (MAC CE) to notify the electronic apparatus of same, wherein the MAC CE at least comprises index information of all component carriers on which beam failures have occurred.

Abstract: An electronic device includes a processing circuit configured to: receive information about a number N of candidate transmit beams from a user device, wherein N is an integer greater than 1; select from the N candidate transmit beams a transmit beam for sending downlink information to the user device; and determine, on the basis of the selected transmit beam, a transmission configuration indication (TCI) state, and send the TCI state to the user device. The electronic device, the wireless communication method and the computer readable storage medium enable a network-side device to notify the user device of the information about transmit beams. In this way, the user device can determine, according to the transmit beam of the network-side device, a proper receiving beam so as to improve the gain of the system.

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 comprises processing circuitry configured to perform control to: transmit one or more beams via one or more groups of antenna panels; receive beam state indication of the one or more beams from a target communication apparatus; and determine one or more antenna panels serving the target communication apparatus in a group of antenna panels comprising an antenna panel corresponding to the beam state indication.

Abstract: The present disclosure provides an electronic apparatus and method for wireless communication and a computer-readable storage medium. The electronic apparatus comprises: a processing circuit, configured to: determine a signature in a multiple access signature pool to be used for user equipment in which the electronic apparatus is located, wherein the multiple access signature pool is divided into multiple sub-signature pools according to a communication system parameter, and the determined signature belongs to a sub-signature pool corresponding to the communication system parameter used for the user equipment; and using, on the basis of the determined signature, a multiple access time-frequency resource to perform transmission, wherein the multiple access time-frequency resource is shared by a group of user equipment comprising the above user equipment.

Abstract: Provided in the present disclosure are a device and method in a radio communication system, and a computer-readable storage medium. The device comprises a processing circuit configured to: decode a group common physical downlink control channel (group common PDCCH) of a user equipment group comprising a target user equipment so as to acquire control information related to multi-user multiple input multiple output (MU-MIMO) transmission of a control channel; and decode a user equipment-specific physical downlink control channel (UE-specific PDCCH) of the target user equipment on the basis of the control information so as to acquire specific transmission control information related to the target user equipment, where the UE-specific PDCCH of the target user equipment and UE-specific PDCCH of the other user equipment are stacked on a same transmission resource for transmission. MU-MIMO transmission with respect to a downlink control channel is effectively implemented, thus increasing resource utilization rate.

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: The present disclosure relates to an electronic device, a method, and a storage medium for a wireless communication system. Various embodiments regarding interference cancellation are described. In one embodiment, an electronic device for a first base station includes a processing circuit, and the processing circuit is configured to: obtain channel information of a channel from a second base station to the first base station; process the channel information to divide the channel; and provide at least portion of processed channel information to the second base station, where at least one of the first base station or the second base station cancels, based on the at least portion of the processed channel information, interference caused from downlink transmission of the second base station to uplink reception of the first base station.

Abstract: The present disclosure relates to a base station device, a communication method, and a storage medium in a wireless communication system. There is provided a base station device, comprising a processing circuitry configured to: based on a conflicting beam list, determining that at least one conflicting beam is included in a set of transmitting beams to be used for downlink transmission from a local cell in a future specific period; in response to the determining, send beam scheduling information for the future specific period to a base station of an adjacent cell, the beam scheduling information including at least information on time-frequency resources allocated to the at least one conflicting beam by the local cell.

Abstract: Provided in the present disclosure are a device and method in a radio communication system, and a computer-readable storage medium. The device comprises a processing circuit configured to: decode a group common physical downlink control channel (group common PDCCH) of a user equipment group comprising a target user equipment so as to acquire control information related to multi-user multiple input multiple output (MU-MIMO) transmission of a control channel; and decode a user equipment-specific physical downlink control channel (UE-specific PDCCH) of the target user equipment on the basis of the control information so as to acquire specific transmission control information related to the target user equipment, where the UE-specific PDCCH of the target user equipment and UE-specific PDCCH of the other user equipment are stacked on a same transmission resource for transmission. MU-MIMO transmission with respect to a downlink control channel is effectively implemented, thus increasing resource utilization rate.