Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives a medium access control-control element (MAC CE) indicating a transmission configuration indication (TCI) state; and a control section that uses the TCI state for a spatial relation of a specific uplink signal at timing after acknowledgment (ACK) transmission to the MAC CE when the specific uplink signal satisfies an application condition. According to one aspect of the present disclosure, a UL signal can be appropriately transmitted.

Abstract: A user terminal according to one aspect of the present invention is characterized by having a receiving section that receives a power control ID, a control section that controls transmit power according to a transmit power parameter set specified by the power control ID, and a transmitting section that transmits a signal corresponding to an object set specified by the power control ID, using the transmit power. According to one aspect of the invention, it is possible to suppress a reduction in communication throughput, even in the case of using beam specific transmit power control.

Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a medium access control-control element (MAC CE) to update a transmission configuration indication (TCI) state, and a control section that, when a configuration related to at least one of a spatial relation and a pathloss reference signal for a specific uplink signal satisfies an application condition, uses the TCI state for the pathloss reference signal from timing after transmission of a positive acknowledgment (ACK) to the MAC CE. According to one aspect of the present disclosure, it is possible to appropriately transmit a UL signal.

Abstract: User equipment for communicating with a base station includes a processing unit, wherein when transmitting a physical uplink shared channel (PUSCH) to the base station prior to establishment of a radio resource control (RRC) connection between the base station and the user equipment, the processing unit controls frequency hopping applied to the PUSCH and a demodulation reference signal; a reception unit for receiving from the base station information indicating that frequency hopping is applied to the PUSCH; and a transmission unit for transmitting the PUSCH and the demodulation reference signal to which frequency hopping is applied; wherein the demodulation reference signal for demodulating a single PUSCH is formed of one front-loaded demodulation reference signal and one additional demodulation reference signal, and when the duration in symbols of the PUSCH does not support one additional demodulation reference signal, the demodulation reference signal is formed of a front-loaded demodulation reference sign

Abstract: A terminal includes a control unit that determines a resource to be used for measurement, based on a condition, among a plurality of resources for estimating interference, and a measuring unit that measures L1-SINR (Layer1 Signal to interference plus noise power ratio) using the determined resource.

Abstract: A terminal includes a reception unit configured to receive a reference signal of a first RAT (Radio Access Technology); and a control unit configured to decode data of a second RAT using the reference signal.

Abstract: A method of selecting a reception resource of a user equipment (UE) includes receiving, with the UE, multiple predetermined signals from a base station (BS) using multiple reception resources, measuring, with the UE, reception quality of the predetermined signals, and selecting, with the UE, at reception resource used for reception of a downlink signal from the multiple reception resources based on the measured reception quality. The method further includes receiving, with the UE, the downlink signal using the selected reception resource. The selecting selects the reception resource used for reception of the predetermined signal of which reception quality is higher than reception quality of the other predetermined signals.

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 an aspect of the present disclosure includes a receiving section that receives a pathloss reference signal, and a control section that calculates a pathloss for transmission power control on the basis of layer 1 (L1)-reference signal received power (RSRP) for the pathloss reference signal when the pathloss reference signal is updated by a media access control-control element (MAC CE), and a measurement condition is met. According to an aspect of the present disclosure, the pathloss can be appropriately calculated.

Abstract: A user terminal includes: a transmission section including a plurality of antennas; and a control section that controls the phase of a signal transmitted from the plurality of antennas to a base station. The control section performs control such that any one of first information and second information is notified to the base station, the first information is information indicating any of a plurality of array patterns that are adoptable by each antenna in a case where the plurality of antennas are all coherent, and the second information is information indicating the number of the coherent antennas in a case where at least two of the plurality of antennas are coherent.

Abstract: A terminal includes a reception unit configured to receive information associated with a signal transmitted to an apparatus other than the terminal, in MU-MIMO (MultiUser-Multiple Input Multiple Output) and a reference signal from a base station, a control unit configured to estimate interference from the signal transmitted to the apparatus other than the terminal to a signal transmitted to the terminal, based on the information associated with the signal transmitted to the apparatus other than the terminal and the reference signal, and a communication unit configured to suppress the interference and receive a data signal from the base station.

Abstract: A terminal is disclosed including a processor that identifies a resource for a Channel State Information-Reference Signal (CSI-RS); and a transmitter that transmits a Sounding Reference Signal (SRS) by using a precoder based on the resource that was last transmitted. In other aspects, a radio communication method and a base station are also disclosed.

Abstract: A communication device includes a control unit that obtains information related to Quality of Service (QoS) control and determines whether to transmit information indicating whether the QoS can be provided based on the information related to the QoS control; a transmitting unit that transmits the information indicating whether the QoS can be provided based on a result of the determination to another communication device; and a communication unit that executes radio communication to which the QoS control is applied, the QoS control being executed based on the information indicating whether the QoS can be provided.

Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives a first reference signal transmitted in a connected first serving cell and a second reference signal transmitted in a second serving cell different from the first serving cell; and a control section that determines orthogonality of a digital beam to be applied to the first reference signal and a digital beam to be applied to the second reference signal, based on the first reference signal and the second reference signal. According to one aspect of the present disclosure, even when there are terminals according to different releases, each of the terminals can appropriately perform communication.

Abstract: A base station apparatus performs communication with a user apparatus and includes a setting unit that arranges a reference signal used for phase correction in a radio frame at a predetermined interval and a transmitting unit that transmits the radio frame to the user apparatus, and, in a case in which the reference signal used for the phase correction is punctured in the radio frame, the reference signal used for the phase correction is arranged in a resource of the radio frame in which the reference signal used for the phase correction is arrangeable.

Abstract: A terminal includes a receiving unit that receives scheduling information; and a control unit that continues, in a case where the receiving unit receives the scheduling information within a delay time for switching a maximum number of Multiple-Input and Multiple-Output (MIMO) layers, an operation for switching the maximum number of MIMO layers and ignores the scheduling information.

Abstract: A terminal includes a control unit that calculates a delay time for an L3 measurement based a periodicity of a reference signal and at least one of a number of samples used for the L3 measurement, a coefficient indicating an overlap between a timing of the L3 measurement and a measurement other than the L3 measurement, or a coefficient indicating switching of a reception beam.

Abstract: A terminal includes a control unit that uses, in a case where a reference signal associated with a channel satisfies a condition, the reference signal to perform synchronization without referring to a QCL (Quasi-Co-Location) source for the reference signal, and a reception unit that receives the channel after the synchronization is performed by the control unit by using the reference signal.

Abstract: A user equipment (UE) is disclosed including a receiver that receives, from a base station (BS), Zero Power (ZP) Channel State Information-Reference Signal (CSI-RS) resource configuration information and a ZP CSI-RS. The ZP CSI-RS is transmitted as a periodic ZP CSI-RS, a semi-persistent ZP CSI-RS, or an aperiodic ZP CSI-RS. When the ZP-CSI-RS is transmitted as the periodic ZP CSI-RS or the semi-persistent ZP CSI-RS, the ZP CSI-RS resource configuration information designates periodicity and a timing offset for the periodic ZP CSI RS or the semi-persistent ZP-CSI-RS. The receiver receives the ZP CSI-RS based on a ZP CSI RS resource specified using the periodicity and the timing offset. When the ZP CSI-RS is transmitted as the aperiodic ZP CSI-RS, the receiver receives DCI that triggers the aperiodic ZP CSI-RS. The receiver receives the ZP CSI-RS based on a ZP CSI-RS resource specified using the DCI.

Abstract: A user equipment includes a transmitting unit that transmits a measurement result of a secondary cell; a receiving unit that receives a signal to activate the secondary cell; and a control unit that uses previously obtained information of the secondary cell to activate the secondary cell when a predetermined condition associated with a power class of the user equipment is satisfied.