Abstract: The present disclosure relates to a device in a wireless communication system, and a wireless communication method. An electronic device in the wireless communication system according to the present disclosure comprises one or more processing circuits. The processing circuits are configured to execute the following operations: monitoring resources corresponding to a first semi-persistent scheduling (SPS) configuration used by the electronic device and resources corresponding to other SPS configurations besides the first SPS configuration; and determining an SPS configuration reselection result of the electronic device according to the monitoring result. By using the device in the wireless communication system and the wireless communication method according to the present disclosure, SPS resources can be reasonably configured so as to reduce the possibility of interference, and a reselection of a SPS configuration can be performed quickly and efficiently when potential interference is found.

Abstract: Disclosed are an electronic device in a wireless communication system, and a wireless communication method. The wireless communication system comprises multiple unlicensed carriers. The electronic device comprises: one or more processing circuits configured to: configure each of a plurality of unlicensed carriers to be a primary channel or a secondary channel, so as to obtain at least two primary channels and at least one secondary channel; perform a first channel detection process over each of the primary channels to detect whether each of the primary channels is idle, and perform a second channel detection process over each of the secondary channels to detect whether each of the secondary channels is idle; and perform downlink data transmission over the primary channel determined to be idle by means of the channel detection or over the primary and secondary channels determined to be idle by means of the channel detection.

Abstract: A wireless communication system, an apparatus, and a method in a wireless communication system. The apparatus includes a processing circuit. The processing circuit is configured to: detect whether a pre-set power margin reporting trigger event is satisfied; and trigger, if the pre-set power margin reporting trigger event is satisfied, reporting of a power margin of a user equipment to a base station, wherein the pre-set power margin reporting trigger event includes at least one of the following events: a first event of having detected an idle channel on an unlicensed band; and a second event of having received uplink scheduling licensed signalling from the base station. A power margin in an LAA system can be effectively reported.

Abstract: Disclosed are an electronic device in a wireless communication system, and a wireless communication method. The wireless communication system comprises multiple unlicensed carriers. The electronic device comprises: one or more processing circuits configured to: configure each of a plurality of unlicensed carriers to be a primary channel or a secondary channel, so as to obtain at least two primary channels and at least one secondary channel; perform a first channel detection process over each of the primary channels to detect whether each of the primary channels is idle, and perform a second channel detection process over each of the secondary channels to detect whether each of the secondary channels is idle; and perform downlink data transmission over the primary channel determined to be idle by means of the channel detection or over the primary and secondary channels determined to be idle by means of the channel detection.

Abstract: An apparatus and method in a wireless communication system, and a computer-readable storage medium. The method comprises: determining, based on at least one or more of resource set configuration information, physical channel information, and service type information, configuration information of one or more parameter sets for a sidelink communication; and controlling a base station to send the determined configuration information of the one or more parameter sets to a user equipment so that the user equipment performs sidelink communication on the basis of the one or more parameter sets, the parameter set comprising at least a subcarrier interval and a cyclic prefix type. The method can flexibly configure the parameter set used for the sidelink communication in NR so as to improve the communication performance of the sidelink communication and meet higher requirements on a series of indicators in an NR scene such as the delay and the system stability.

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: 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: The present disclosure provides a method and electronic apparatus for wireless communication and a computer readable storage medium. The electronic apparatus comprises a processing circuit. The electronic apparatus is configured to determine whether a related parameter of an available component carrier in a sidelink satisfies a preset condition; and if the related parameter satisfies a present condition, to configure the available parameter for use as a secondary component carrier in carrier aggregation of the sidelink.

Abstract: A wireless communication device and a wireless communication method. The wireless communication device for use on a base station side includes one or more processors. The processor is configured to determine start time and end time of data transmission on one or more auxiliary carriers on an unlicensed frequency band. The processor is further configured to control to send indication information about the start time and the end time to other base stations.

Abstract: The present disclosure relates to an electronic device and a wireless communication method. An electronic device for wireless communication according to one embodiment comprises a processing circuit, wherein the processing circuit is configured to, when a user equipment carries out short-range service communication at a short transmission time interval smaller than a first transmission time interval, implement control so that at least two mutually independent transmission blocks, each having a short transmission time interval, are transmitted in the same subframe, wherein the length of the subframe is the same as the first transmission time interval.

Abstract: A frequency allocation method and device for an unauthorized frequency band.

Abstract: The present disclosure relates to a device in a wireless communication system, and a wireless communication method. An electronic device in the wireless communication system according to the present disclosure comprises one or more processing circuits. The processing circuits are configured to execute the following operations: monitoring resources corresponding to a first semi-persistent scheduling (SPS) configuration used by the electronic device and resources corresponding to other SPS configurations besides the first SPS configuration; and determining an SPS configuration reselection result of the electronic device according to the monitoring result. By using the device in the wireless communication system and the wireless communication method according to the present disclosure, SPS resources can be reasonably configured so as to reduce the possibility of interference, and a reselection of a SPS configuration can be performed quickly and efficiently when potential interference is found.

Abstract: Disclosed are a wireless-communication electronic device and method. The electronic device of a user equipment terminal comprises a processing circuit, said processing circuit being configured to: measure the downlink channel quality of a serving base station and adjacent base station of a user equipment; on the basis of the measured downlink channel quality, determine a first base station set from the serving base station and adjacent base station, the first base station set representing a base station set that is to broadcast or multicast data and information. According to the embodiments of the present disclosure, even if location information is unusable, it is still possible to quickly determine a multicast/broadcast base station, while signaling overhead is also reduced.

Abstract: The present disclosure relates to wireless communication equipment and a wireless communication method. According to the wireless communication equipment for a base station side in an embodiment, the wireless communication equipment comprises one or multiple processors, and the one or multiple processors are configured to: determine to-be-transmitted communication content of a user equipment for a base station on a target unauthorized frequency band and estimate a transmission progress; and generate indicating information about the transmission progress, and add the indicating information into a communication frame of the user equipment for transmitting the indicating information.

Abstract: A frequency allocation method and device for an unauthorized frequency band.

Abstract: A method and device for feeding back downlink channel feedback information, and a method and device for user pairing. The method for feeding back downlink channel feedback information includes: calculating the multi-user channel quality indication error of a user, which error is used to reflect the difference in channel quality indication between the situation of multi-user multiple input multiple output transmission and the situation of single user multiple input multiple output transmission; adding the multi-user channel quality indication error into the downlink channel feedback information which includes a pre-coding matrix indication and a channel quality indication, and feeding the same back to a base station for scheduling. Therefore, the bit error rate of demodulation in the MIMO system can be reduced and the system performance can be improved.

Abstract: A method and device for feeding back downlink channel feedback information, and a method and device for user pairing. The method for feeding back downlink channel feedback information includes: calculating the multi-user channel quality indication error of a user, which error is used to reflect the difference in channel quality indication between the situation of multi-user multiple input multiple output transmission and the situation of single user multiple input multiple output transmission; adding the multi-user channel quality indication error into the downlink channel feedback information which includes a pre-coding matrix indication and a channel quality indication, and feeding the same back to a base station for scheduling. Therefore, the bit error rate of demodulation in the MIMO system can be reduced and the system performance can be improved.

Abstract: Disclosed are an electronic device in a wireless communication system, and a wireless communication method. The wireless communication system comprises multiple unlicensed carriers. The electronic device comprises: one or more processing circuits configured to: configure each of a plurality of unlicensed carriers to be a primary channel or a secondary channel, so as to obtain at least two primary channels and at least one secondary channel; perform a first channel detection process over each of the primary channels to detect whether each of the primary channels is idle, and perform a second channel detection process over each of the secondary channels to detect whether each of the secondary channels is idle; and perform downlink data transmission over the primary channel determined to be idle by means of the channel detection or over the primary and secondary channels determined to be idle by means of the channel detection.

Abstract: A wireless communication device and a wireless communication method. The wireless communication device for use on a base station side includes one or more processors. The processor is configured to determine start time and end time of data transmission on one or more auxiliary carriers on an unlicensed frequency band. The processor is further configured to control to send indication information about the start time and the end time to other base stations.

Abstract: A frequency allocation method and device for an unauthorized frequency band.