Abstract: To appropriately notify information of a control channel configuration domain in a radio communication system that uses a synchronization signal block, one aspect of a user terminal according to the present invention includes: a reception section that receives a Synchronization Signal (SS) block including given bit information indicating a configuration of a control resource set; and a control section that decides contents of the given bit information according to a subcarrier-spacing and/or a frequency band applied to transmission of the SS block, and controls reception of a downlink control channel.

Abstract: A terminal is disclosed including a receiver configured to receive a synchronization signal block (SS/PBCH block) including information that indicates a configuration of a control resource set; and a processor configured to determine a position of the control resource set relative to the SS/PBCH block based on the information. In other aspects, another terminal, a radio communication method for a terminal, and a base station are also disclosed.

Abstract: A base station includes a transmitting unit that repeats a process of decreasing a randomly determined counter value within a contention window size on the basis of channel sensing and transmits a signal after the counter value becomes 0, a receiving unit that receives HARQ feedbacks corresponding to a plurality of slots from a terminal that has received the signal, and a control unit that decides the contention window size on the basis of the HARQ feedbacks corresponding to the plurality of slots.

Abstract: Disclosed is a scheme of transmitting various types of radio signals for which interference between adjacent cells is considered in a radio communication system (for example, dynamic TDD) in which uplink communication and downlink communication can be dynamically switched. A feature of the present invention relates to user equipment including a transceiver that performs transmission and reception of a radio signal with a base station in accordance with a communication scheme in which uplink communication and downlink communication are dynamically switched and a signal processor that processes the radio signal, wherein the transceiver transmits a connection request signal generated by the signal processor in fixed uplink radio resources of the communication scheme.

Abstract: A terminal includes a receiving unit that receives a signal; a control unit that configures a frequency resource to be measured based on an information element indicating a center frequency or a measurement bandwidth, wherein the information element is included in the signal received by the receiving unit; and a transmitting unit that transmits a result of a Received Signal Strength Indicator (RSSI) measurement or a result of a channel occupancy measurement, wherein the RSSI measurement or the channel occupancy measurement is performed on the frequency resource to be measured that is configured by the control unit.

Abstract: A user terminal includes a receiving section that receives downlink control information including information indicating a first combination of one or more slot formats, and a control section that controls modification of the slot formats determined based on the information indicating the first combination in a case where another downlink control information including a second combination of one or more slot formats is detected on a monitoring occasion with periodicity shorter than a period corresponding to the one or more slot formats, based on the information indicating the second combination. This allows a slot format of each slot to be flexibly controlled.

Abstract: A user terminal includes a receiving section that receives downlink control information including information indicating a combination of one or more slot formats, and a control section that assumes that a channel occupancy time (COT) ends at an end of a period corresponding to the one or more slot formats. This allows the user terminal to appropriately determine the end of the COT.

Abstract: A user terminal includes a receiving section that measures received power in a frequency in which channel sensing is applied, and a control section that performs transmission in the frequency on the basis of sensing within random time in a contention window size (CWS) based on the measurement. According to an aspect of the present disclosure, it is possible to perform appropriate communication in an unlicensed band.

Abstract: A terminal includes a receiving unit that receives a system information signal transmitted in an unlicensed frequency band; and a control unit that configures a search space for monitoring for receiving control information and configures classification information for classifying a plurality of system information signals according to applied transmit beams, based on a first index value included in the system information signal received by the receiving unit.

Abstract: To properly consider the QCL assumption about SSBs in an NR-U carrier, a user terminal according to one aspect of the present disclosure is characterized by having a receiving section that receives a Synchronization Signal Block (SSB), and a control section which acquires an effective SSB index based on a demodulation reference signal (DeModulation Reference Signal (DMRS)) of a broadcast channel (Physical Broadcast Channel (PBCH)) included in the SSB, and from a payload of the PBCH, acquires at least one of information on the number of effective SSB indexes to be transmitted and a start location index of an SSB burst including the SSB within a Discovery Reference Signal (DRS) transmission window.

Abstract: A user terminal includes a receiving section that receives downlink control information to request feedback of transmission confirmation information for one or more downlink shared channels, and a control section that determines the number of feedback bits of the transmission confirmation information based on at least one of information related to the number of feedback bits in the downlink control information and information related to transmission timing of last downlink control information to schedule the downlink shared channel. It is possible to prevent inconsistency in understanding of the number of feedback bits of transmission confirmation information between a UE and a base station.

Abstract: Measurement is efficiently performed while suppressing an increase in an overhead. A user terminal according to the present invention includes: a reception section that receives frequency information indicating a plurality of frequencies in a single component carrier; and a control section that, when a signal block including a synchronization signal and a broadcast signal is transmitted at each of the plurality of frequencies, controls measurement at the plurality of frequencies.

Abstract: A user terminal includes a receiving section that receives information to be used to determine a set of resource blocks in a given interval in a given band in a carrier, and a control section that determines, as a frequency-domain resource to be assigned to an uplink shared channel or a downlink shared channel, the set determined based on the information. Accordingly, it is possible to appropriately control assignment of frequency-domain resources to an uplink shared channel or downlink shared channel transmitted by interlace transmission.

Abstract: User terminal includes: a receiving section configured to perform sensing of a channel in a gap of a given order among a plurality of gaps in one transmission opportunity; and a control section configured to determine whether or not to perform transmission after the gap of the given order based on a result of the sensing.

Abstract: A user terminal according to an aspect of the present disclosure includes: a receiving section that receives, on a given carrier, a synchronization signal block (SSB) which includes a PBCH which does not include given information included in a physical broadcast channel (PBCH) payload other than a master information block (MIB) defined in Release 15 new radio (NR); and a control section that assumes that a value of the given information is a given value. According to one aspect of the present disclosure, the frame timing can be appropriately derived in the NR-U carrier.

Abstract: SSB indices are appropriately reported. A user terminal according to an aspect of the present disclosure includes a control section that determines an assumption utilized for a number of synchronization signal blocks (SSBs) actually transmitted in a given carrier, based on whether the given carrier is assumable to perform inter-cell synchronization, and a transmitting section that transmits information related to indices of SSBs detected.

Abstract: A user terminal includes a receiving section that monitors a first downlink control channel on the basis of a search space configuration for a frequency band in which channel sensing is applied, and a control section that changes the search space configuration on the basis of a result of detection of the first downlink control channel. According to one aspect of the present disclosure, it is possible to perform appropriate communication in an unlicensed band.

Abstract: A user terminal according to one aspect of the present disclosure includes: a control section that determines whether or not to share given channel state information with another user terminal; and a transmission section that transmits the given channel state information determined to be shared to the another user terminal. According to one aspect of the present disclosure, MIMO can be suitably used.

Abstract: A user terminal includes a transmitting section that performs first signal transmission during a first period within a periodic time interval, and a control section that determines, based on priority of the first signal transmission, whether to perform second signal transmission during a second period after the first period within the time interval. According to an aspect of the present disclosure, resource utilization efficiency can be increased.

Abstract: A user terminal has a control section that makes a determination of at least one of a band of monitoring for at least one of a reference signal and a downlink control channel, and operation of the monitoring, in a frequency band to which sensing of a channel is applied, based on at least one of notified configuration information and reported capability information, and a receiving section that performs the monitoring according to the determination. According to one aspect of the present disclosure, it is possible to perform proper communication in an unlicensed band.