Abstract: A terminal comprises a control unit that applies a target subcarrier spacing lower than a specific subcarrier spacing in a target frequency band, the target frequency band includes at least a prat of a specific frequency range defined with the specific subcarrier spacing as a minimum subcarrier spacing or a frequency band lower than the specific frequency range, wherein the control unit applies a method different from an initial access method related to the specific subcarrier spacing, for at least a part of an initial access method related to the target subcarrier spacing.

Abstract: A terminal comprises: a control unit that performs, when a base station configures a broader carrier bandwidth wider than a maximum carrier bandwidth supported by the terminal, a communication capable of using a second number of frequency resource larger than a first number of frequency resource, the first number of frequency resource is available by the base station on an assumption that the terminal uses the broader carrier bandwidth.

Abstract: A terminal comprising: a control unit that applies a target subcarrier spacing lower than a specified subcarrier spacing, in a target frequency band that includes at least a portion of a specified frequency range in which the specified subcarrier spacing is defined as a minimum subcarrier spacing or a frequency band lower than the specified frequency range, wherein a frequency use efficiency of the target subcarrier spacing is higher than the frequency use efficiency of the specified subcarrier spacing.

Abstract: A user equipment, a base station and respective methods are provided. The user equipment receives a physical uplink shared channel (PUSCH) config information element (IE) in form of radio resource control (RRC) signaling, the PUSCH config IE being applicable to a particular bandwidth part. The user equipment configures a table which is defined by a PUSCH time domain resource allocation list IE carried in the received PUSCH config IE, the table comprising rows, at least one row comprising a first set of values related to allocated time-domain resources for a plurality of PUSCH transmissions. The user equipment receives downlink control information (DCI) signaling carrying a time-domain resource assignment filed with value m, wherein the value m provides a row index m+1 to the RRC configured table. The user equipment determines allocated time-domain resources for the plurality of PUSCH transmissions based on the index of the slot carrying the received DCI.

Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives information related to a transmission path for at least a part of UL data; and a control section that determines at least one of a transmission method of the UL data and a second terminal other than the terminal, the second terminal being notified of at least the part of the UL data, based on at least one of the information related to the transmission path and downlink control information used for scheduling of the UL data.

Abstract: A terminal configures bandwidth resources narrower than a normal minimum unit when specific condition is met or specific notification is received. The terminal performs transmission operation with the bandwidth resources configured.

Abstract: A terminal according to an aspect of the present disclosure includes: a transmitting section that transmits a sounding reference signal; a receiving section that receives information related to schedule; and a control section that performs control to perform UL transmission in cooperation with another terminal, based on the information related to the schedule. An antenna port to be used for transmission of the sounding reference signal and an antenna port to be used for transmission of the UL transmission are associated with each other.

Abstract: A terminal includes: a control unit configured to perform monitoring of a control channel in an area in which, in a case of using a certain SCS, a number of symbols is greater than a number of symbols corresponding to another SCS that is less than the certain SCS; and a reception unit configured to receive control information via the control channel.

Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives information related to schedule; a transmitting section that transmits, to another terminal, information related to part of UL data, the part of the UL data being obtained by dividing the UL data in at least one of a unit of transport block, a unit of codeword, a unit of code block, and a unit of bit; and a control section that performs control to transmit the UL data in cooperation with the another terminal, based on the information related to the schedule.

Abstract: A terminal includes: a reception unit configured to receive a block including a synchronization signal and a broadcast channel, a control channel carrying control information, and a shared channel carrying system information by applying single beamforming; and a control unit configured to perform an initial access, based on the system information. The block and one or both of the control channel and the shared channel are frequency-multiplexed, and the control channel and the shared channel are time-multiplexed.

Abstract: A terminal is disclosed including a reception section that receives second control information from a base station in a Physical Downlink Control Channel (PDCCH) configured for a cell in a specific Physical Uplink Control Channel (PUCCH) group, the second control information indicating a channel for transmitting first control information and data to another terminal in inter-terminal communication; and a transmission section that transmits a second response signal to the base station with a PUCCH configured for a specific cell in the specific PUCCH group, the second response signal being based on a first response signal transmitted by the other terminal having received the data. In other aspects, a communication system and a communication method are also disclosed.

Abstract: A terminal includes a reception unit that receives a configuration for measuring a received signal strength indicator (RSSI) and a channel occupancy (CO) from a base station; a control unit that measures the RSSI and the CO for each of a plurality of reporting units based on the configuration; and a transmission unit that transmits a result of measurement for each of the plurality of reporting units to the base station.

Abstract: A channel access procedure is executed in a second frequency band different from the first frequency band. A radio base station executes a channel access procedure using a single directional reception beam, and transmits a single synchronization signal block in a channel occupancy time after the channel access procedure.

Abstract: Provided is a terminal including: a receiving unit that acquires any one or both position information of a reception terminal and position information of a third terminal; and a control unit that performs resource exclusion processing by a specific method with respect to a reserved resource by the third terminal within a specific range from the reception terminal on the basis of the position information acquired by the receiving unit in identification processing of candidates of a transmission resource that is used in a sidelink.

Abstract: Provided is a terminal including: a receiving unit configured to receive reservation information for reserving resources from a plurality of terminals, at least one of the reserved resources being a same resource; a controlling unit configured to identify a first terminal from among the plurality of terminals; and a transmitting unit configured to transmit information related to the same resource to the first terminal, wherein the receiving unit receives data from a second terminal in the same resource.

Abstract: Provided is a terminal having: a controlling unit configured to determine a subcarrier spacing to be applied to a physical uplink control channel satisfying a bandwidth and map the physical uplink control channel to a physical resource; and a transmitting unit configured to transmit the physical resource to a base station.

Abstract: A radio communication node (100 B) transmits/receives a radio signal to/from an upper node via a first cell and transmits/receives a radio signal to/from a lower node via a second cell. When forming the second cell in the unlicensed frequency band, the radio communication node (100 B) applies the configuration for the unlicensed frequency band.

Abstract: A disclosed terminal includes a transmitter configured to transmit information relating to resource selection to another terminal via a resource relating to a HARQ (Hybrid automatic repeat request) feedback channel; and a receiver configured to receive data from the another terminal via a resource determined based on the information relating to the resource selection, wherein the information relating to the resource selection includes at least one of a sensing result, information indicating a resource determined based on sensing, an indication of re-evaluation or reselection, or a sidelink grant.

Abstract: A terminal includes: a transmitting unit which transmits a PRACH in a beam failure recovery procedure; and a receiving unit which starts monitoring a PDCCH when a certain number of slots have elapsed from the transmission of the PRACH, wherein the number of slots is larger than a predetermined value.

Abstract: A radio base station executes a channel access procedure in a second frequency band different from a first frequency band allocated for mobile communications. The radio base station configures parameters for each beam applied to the channel access procedure.