Abstract: A wireless communication method for a terminal, a terminal, and a wireless communication system receive one or more Channel State Information Reference Signals (CSI-RSs). Further, quantization of combination coefficients of the one or more CSI-RSs corresponding to one or more spatial beams Discrete Fourier Transform (DFT) basis vector amplitudes is performed.

Abstract: To prevent deterioration of communication quality even when communication is performed by using a plurality of transmission points, one aspect of a user terminal according to the present disclosure includes: a receiving section that receives a physical shared channel transmitted from a plurality of transmission points, based on certain downlink control information; and a control section that determines at least one of rate matching, quasi-co-location, and a resource to be assigned for the physical shared channel transmitted from the plurality of transmission points, based on the downlink control information.

Abstract: A terminal according to an aspect of the present disclosure includes a receiving section configured to receive downlink control information (DCI) indicating a transmission configuration indication (TCI) state applicable to downlink and uplink, and a control section configured to apply the TCI state at a timing based on the DCI. According to one aspect of the present disclosure, information on QCL can be appropriately determined.

Abstract: The present disclosure provides a terminal and a base station. The terminal includes: a control unit, configured to determine at least one group of transform domain vectors, the at least one group of transform domain vectors being used for determining a precoding matrix for a subcarrier level, and a sending unit, configured to send precoding matrix indication information to a base station, the precoding matrix indication information including first information, the first information being used for indicating at least one group of transform domain vectors. The base station includes a receiving unit, configured to receive precoding matrix indication information from a terminal, the precoding matrix indication information at least including first information, the first information being used for indicating at least one group of transform domain vectors, and a control unit, configured to determine a precoding matrix according to the precoding matrix indication information.

Abstract: A terminal for performing Channel State Information (CSI) reporting for type II port selection codebook includes a receiver that receives beamformed CSI reference signal (RS) ports comprising spatial domain (SD) beams and frequency domain (FD) base. In addition, the terminal includes a processor that, using higher layer signaling, configures a number of SD beam selection and a number of FD base selection, and selects a first value from a first set of values for the number of SD beam selection and a second value from a second set of values for the number of FD base section. The terminal further includes a transmitter that transmits the first value and the second values.

Abstract: A terminal according to an aspect of the present disclosure includes a control section that reduces a resource to which at least one of an uplink channel and a sounding reference signal (SRS) is mapped, in a case that a first resource provided for the uplink channel overlaps a second resource provided for the SRS, and a transmitting section that performs at least one of a transmission of the uplink channel and a transmission of the SRS. According to an aspect of the present disclosure, in a case that a resource provided for an uplink transmission overlaps a resource provided for an SRS, appropriate processing is performed.

Abstract: A terminal according to one aspect of the present disclosure includes: a control section that determines two values of a power control parameter when physical uplink control channel (PUCCH) spatial relation information is not provided; and a transmitting section that transmits a PUCCH by using at least one of the two values of the power control parameter and one or more transmission occasions. The two values are associated with two respective indices. The two indices are either two index values of a control resource set (CORESET) pool index or two index values of a transmission configuration indication (TCI) state associated with one codepoint of a field in downlink control information. According to one aspect of the present disclosure, a power control parameter can be appropriately determined.

Abstract: A terminal according to an aspect of the present disclosure includes: a reception section that receives a configuration indicating an uplink period and a downlink period and receives a slot offset for aperiodic sounding reference signal (SRS) transmission; and a control section that determines whether or not to receive at least one of a first piece of downlink control information that triggers the SRS transmission and a second piece of downlink control information indicating a slot format. According to an aspect of the present disclosure, SRS transmission is flexibly controlled.

Abstract: A terminal (200) configures PCell and SCell simultaneously. The terminal (200) includes a receiving unit (220) that receives a reference signal for use in a detection of a beam failure in the SCell, and a controller (270) that performs at least one of the detection of the beam failure and a beam failure recovery request based on a reception quality of the reference signal. The controller (270) performs at least one of the detection of the beam failure and the beam failure recovery request when a predetermined condition is satisfied.

Abstract: A user terminal includes a control section that, in a case where a maximum number of secondary cells to which a beam failure recovery is applied is 1 and where a specific secondary cell for an uplink control channel is configured, applies the beam failure recovery to the specific secondary cell, and a transmitting section that transmits, in the beam failure recovery, a beam failure recovery request to one of a plurality of cells. According to one aspect of the present disclosure, a BFR procedure can be appropriately executed.

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 activate two transmission configuration indication (TCI) states for one codepoint of a field in downlink control information, and a control section that determines one or more reference signals in a case where a reference signal for beam failure detection (BFD) is not configured, the one or more reference signals being used for BFD. According to one aspect of the present disclosure, it is possible to appropriately determine a BFD RS.

Abstract: A user terminal according to one aspect of the present disclosure includes: a transmitting/receiving section that receives or transmits a shared channel based on fallback Downlink Control Information (DCI); and a control section that makes a given assumption on a density of a Phase Tracking Reference Signal (PTRS) of the shared channel scheduled by the fallback DCI. According to one aspect of the present disclosure, it is possible to appropriately determine a PTRS density.

Abstract: A terminal according to one aspect of the present disclosure includes a transmitting section that transmits information related to beam failure detected for each of plurality of transmission/reception points by using a media access control control element (MAC CE), and a control section that, when a DL signal corresponding to the information related to the beam failure is received, controls at least one of an update on a condition applied to UL transmission and an update on a condition applied to DL reception for each transmission/reception point.

Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives TCI state information indicating a plurality of transmission configuration indication (TCI) states applicable to multiple types of channels and that receives first downlink control information indicating one TCI state of the plurality of TCI states, and a control section that applies the one TCI state to a first signal after timing at which specific time passes from any one of the first downlink control information and a first uplink channel based on the first downlink control information. According to one aspect of the present disclosure, it is possible to appropriately determine information related to QCL.

Abstract: To appropriately perform communication even when transmission with repetition is applied to DL channels transmitted from one or more TRPs. A terminal according to an aspect of the present disclosure includes a receiving section that receives multiple downlink control information transmitted using respective downlink control channels to which transmission with repetition is applied; and a control section that controls, when a downlink shared channel overlaps a resource in a control resource set including a downlink control channel to which the transmission with repetition is applied, not to use resources corresponding to a downlink control channel scheduling the downlink shared channel and a demodulation reference signal resource for an associated downlink control channel, for the downlink shared channel.

Abstract: A user terminal according to the present invention includes: a transmission section that transmits Uplink Control Information (UCI) by using an uplink control channel; and a control section that, when one or more resource sets each including one or more resources for the uplink control channel are configured, determines a resource used for transmission of the UCI based on a given field value in Downlink Control Information (DCI) and implicit indication information from a resource set selected based on a number of bits of the UCI.

Abstract: To appropriately control a plurality of CSI reports of different types, a user terminal according to one aspect of the present disclosure includes: a transmitting section that transmits channel state information (CSI) reports of different types; and a control section that, when transmission durations of a plurality of the CSI reports overlap, drops a given CSI report according to priority or multiplexes a given CSI report on a given uplink channel, based on a type of each of the plurality of the CSI reports and a type of an uplink channel used for transmission of each of the plurality of the CSI reports.

Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives DCI based on a specific assumption regarding a size of a sounding reference signal resource indicator (SRI) field of the DCI scheduling a physical uplink shared channel (PUSCH) when a control resource set (CORESET) pool index is configured to at least one CORESET, and a control section that determines spatial relation information for the PUSCH based on at least one of the SRI field and a CORESET pool index of a CORESET in which the DCI is detected. According to one aspect of the present disclosure, UL transmission can be appropriately controlled even in a case where multi-TRPs are used.

Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives information of a plurality of power control parameters corresponding to one code point of a sounding reference signal resource indicator (SRI) field; and a control section that determines transmit power for an uplink shared channel (Physical Uplink Shared Channel (PUSCH)) by using one of the plurality of power control parameters selected based on a value of the SRI field of downlink control information (DCI) for scheduling the PUSCH. According to one aspect of the present disclosure, UL transmission can be appropriately controlled even in a case where multi-TRPs are used.

Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives one or more beam failure detection reference signals (BFD-RSs) corresponding to a plurality of transmission/reception points, and a control section that, when radio link quality of at least part of configured BFD-RSs is less than a threshold value, controls beam failure recovery procedure in units of one transmission/reception point or in units of a transmission/reception point set including a plurality of transmission/reception points.