Abstract: A terminal includes: a receiver configured to receive, from a base station apparatus, first configuration information indicating an Uplink, a Downlink, or a Flexible area in a radio frame, and second configuration information indicating a random access channel (RACH) resource allocation in the radio frame in a time domain; a processor configured to identify an available RACH resource in the radio frame based on the first configuration information and the second configuration information; and a transmitter configured to transmit a preamble to the base station apparatus using the identified available RACH resource.

Abstract: A method of transmitting Channel State Information (CSI)-Reference Signals (RSs) in a wireless communication system that includes a base station (BS) and a user equipment (UE) includes transmitting, from the BS to the UE, first multiple CSI-RSs in a CSI-RS resource set that consists of CSI-RS resources. The first multiple CSI-RSs are transmitted using the CSI-RS resources, respectively. The CSI-RS resource set is repeated in a time domain or a frequency domain. The transmitting transmits second multiple CSI-RSs in the repeated CSI-RS resource set.

Abstract: Provided in the present disclosure are a terminal and a sending device in a communication system. The sending device includes: a receiving unit, which is configured to receive position information of a terminal, and a control unit, which is configured to determine a first codeword in a first codebook and offset information according to the position information. The first codeword indicates initial phases of at least some array elements in a reconfigurable intelligent surface (RIS). The offset information indicates an offset relative to the at least one of the at least some array elements, the initial phases, and a reference position of the RIS.

Abstract: The disclosure provides methods and devices thereof for wireless communication at a network side device and a user equipment (UE). The method includes: receiving information about a first UE; when the first UE is determined to be a first type of UE based on the information, multi-layer coding data for the first UE to obtain a first data stream and a second data stream about the first UE, performing a non-orthogonal multiple-access processing of the first and the second data streams of the first UE with data for a second UE and data for a third UE respectively, to obtain a first preprocessed data and a second preprocessed data, and pre-coding the first preprocessed data and second preprocessed data respectively, wherein the second UE and the third UE are a second type of UE. The method provided in the disclosure removes inter-beam and intra-beam interference and improves system efficiency.

Abstract: Provided in the embodiments of the present disclosure are a receiving device and a transmitting device. The receiving device according to the embodiments of the present disclosure includes: a control unit, configured to determine information on intensity of a light-of-sight (LOS) channel component in a communication channel; and a sending unit, configured to send the determined information to a transmitting device. The transmitting device according to the embodiments of the present disclosure includes: a transceiving unit, which includes a first antenna array; and a control unit, configured to obtain information about the intensity of a light-of-sight (LOS) channel component in a communication channel, and to determine a configuration mode of the first antenna array according to the information.

Abstract: A terminal includes: a communication unit configured to perform transmission and reception in a first RAT (Radio Access Technology) and perform sensing in a second RAT; and a control unit configured to control communications in the first RAT. The communication unit receives information related to a first resource reservation in the first RAT from another terminal, the communication unit detects information related to a second resource reservation in the second RAT from another terminal, the control unit determines a resource used for transmission after performing resource exclusion from available resource candidates in the first RAT, the resource exclusion being based on the information related to the first resource reservation and the information related to the second resource reservation, and the communication unit performs transmission to another terminal by using the determined resource.

Abstract: A training data augmentation device (10) includes: an augmented sentence generator (11) configured to generate a plurality of augmented sentences by processing a sentence for training included in training data given in advance according to a plurality of degrees of word replacement; and an augmentation data generator (12) configured to derive a degree of association in a word pair having a dependency relationship in each augmented sentence, determine whether or not to add the augmented sentence to augmentation data for augmenting the training data for each stage based on a comparison result between an obtained degree of association and thresholds of a plurality of stages determined in advance, and generate augmentation data of a plurality of stages by an augmented sentence determined to be added.

Abstract: A terminal comprises: a reception unit that receives data via a downlink channel scheduled by common downlink control information common to a plurality of terminals in data delivering to the plurality of terminals; and a control unit that determines a size of at least one of a first field among fields included in the common downlink control information based on a common upper layer parameter used in the common downlink information; wherein the common upper layer parameter is defined separately from a dedicated upper layer parameter used in a dedicated downlink information dedicated to each of the plurality of terminals.

Abstract: A terminal includes a receiving unit that receives data in data delivery to a plurality of terminals via a downlink channel which is common to the plurality of terminals, and a control unit that controls reception of the data on an assumption that a parameter related to a frequency used for the data delivery to the plurality of terminals satisfies a specific condition.

Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section configured to receive a configuration related to a transmission comb of a sounding reference signal (SRS); and a control section configured to determine, based on the configuration and a bandwidth of the SRS, at least one of the number of the transmission combs, a maximum number of cyclic shifts, and a number of the cyclic shift. According to one aspect of the present disclosure, an SRS parameter can be appropriately determined.

Abstract: One aspect of a user terminal according to the present invention includes: a receiving section that receives a downlink shared channel transmitted from a plurality of transmission/reception points; and a control section that controls transmission of a transmission confirmation signal corresponding to the downlink shared channel, based on downlink control information including at least one of a count value and a total value of DL assignment jointly controlled in the plurality of transmission/reception points.

Abstract: A terminal includes a control unit configured to perform LBT (Listen before talk) in a frequency band above a predetermined frequency, and a transmission unit configured to transmit a signal based on a result of the LBT, wherein the control unit performs the LBT with a mechanism different from LBT performed in a frequency band below the predetermined frequency.

Abstract: This terminal includes: a transmission unit that repeatedly transmits one or both of a first uplink signal which has a first priority level and which is given a configured uplink grant, and a second uplink signal which has a second priority level that is a lower priority level than the first priority level and which is given a dynamic uplink grant; and a control unit that determines to drop any second uplink signal that overlaps with the transmission timing of a first uplink signal.

Abstract: A terminal includes: a reception unit configured to receive downlink control information activating semi-persistent scheduling and downlink data according to the activated semi-persistent scheduling from a base station; a control unit configured to determine a cell for feedback for the downlink data in a case where dynamic carrier switching is enabled; and a transmission unit configured to use the determined cell to transmit feedback information corresponding to the downlink data to the base station.

Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives at least one of first information related to a physical downlink control channel (PDCCH) transmission scheme and second information related to a physical downlink shared channel (PDSCH) transmission scheme, and a control section that determines, based on at least one of the first information and the second information, at least one of a first transmission scheme to be applied to reception of a PDCCH and a second transmission scheme to be applied to reception of a PDSCH.

Abstract: A wireless relay device includes: a transmitting unit configured to transmit, to a base station, a first signal for allowing the base station to identify the wireless relay device; a receiving unit configured to receive, from the base station, a second signal about a permission to operate as a wireless relay device; and a control unit configured to enable, when the receiving unit receives the second signal, a relay function that allows a signal received from the base station to be transmitted to a terminal and a signal received from the terminal to be transmitted to the base station.

Abstract: A terminal according to one aspect of the present disclosure includes: a control section that determines a downlink control channel (Physical Downlink Control Channel (PDCCH)) to monitor for PDCCHs in a plurality of control resource sets (CORESETs) overlapped in time, according to a transmission configuration indication state (TCI state) of only one CORESET selected based on a priority rule; and a receiving section that monitors the determined PDCCH. According to one aspect of the present disclosure, it is possible to appropriately handle collision of a plurality of downlink control channels.

Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives downlink control information (DCI) for indicating a transmission configuration indication (TCI) state applicable to a plurality of signals, and a control section that, when the number of TCI states indicated for an uplink (UL) channel included in the plurality of signals is more than one, determines the number of TCI states to be applied to the UL channel, based on at least one of higher layer signaling and specific DCI. According to one aspect of the present disclosure, it is possible to appropriately perform TCI state indication.

Abstract: A terminal includes a receiving unit configured to receive information relating to an arrangement of a tracking reference signal and a plurality of tracking reference signals based on the information relating to the arrangement of the tracking reference signal, and a controller configured to perform a Doppler estimation using two of the plurality of tracking reference signals, wherein an interval between the two of the plurality of tracking reference signals in a time domain is variable.

Abstract: A terminal according to one aspect of the present disclosure includes: a control section that derives a Quasi-Co-Location (QCL) assumption of an Aperiodic Channel State Information-Reference Signal (A-CSI-RS) based on a specific Transmission Configuration Indication state (TCI state) for a Physical Downlink Shared Channel (PDSCH) in a case where both of following conditions (1) and (2) are satisfied, where (1) a scheduling offset between reception of a downlink control channel for conveying downlink control information for scheduling the A-CSI-RS, and reception of the A-CSI-RS is less than a reported value of a duration for beam switch, and (2) there is not another downlink signal that includes an instructed TCI state or there is another downlink signal that does not include the instructed TCI state in a same symbol as a symbol of the A-CSI-RS; and a receiving section that receives the A-CSI-RS based on the QCL assumption.