Abstract: A user equipment (UE) is described that communicates with a base station. The UE includes receiving circuitry configured to receive a Radio Resource Control (RRC) message including first information indicating that limited buffer rate matching is enabled. The receiving circuitry is also configured to receive the RRC message including second information containing a number of repetitions and a redundancy version (RV) pattern. The UE includes processing circuitry configured to apply, according to the first information, limited buffer rate matching for a circular buffer to store coded bits of a transport block (TB). The processing circuitry is also configured to produce RV(s) of repetition(s) of the TB from the circular buffer according to the second information. The UE includes transmitting circuitry configured to transmit the repetitions of the TB.

Abstract: A terminal apparatus includes a receiver for receiving non-demand SI transmitted regardless of a system information request, and multiple pieces of on-demand SI (System Information) transmitted based on a system information request, and a transmitter for transmitting a system information request to request transmission of a first piece of on-demand SI (System information) among the multiple pieces of on-demand SI.

Abstract: A user equipment comprises receiving circuitry configured to receive bit map information indicating time domain positions, within a measurement window, of synchronization signal block(s) (SSB(s)) used for an intra and/or an inter-frequency measurement, the SSB(s) comprising at least a primary synchronization signal (PPS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH), wherein the bitmap information comprises a bit string, and different lengths of the bit string are defined for different frequency bands.

Abstract: Uplink data is transmitted efficiently. A terminal device includes: a reception unit configured to receive a parameter included in an RRC message; a higher layer processing unit configured to store an uplink grant as a configured uplink grant; and a transmission unit configured to transmit a MAC protocol data unit. In a case that the parameter is configured and an initial transmission based on the configured uplink grant is performed and that the MAC protocol data unit includes only a prescribed MAC control element, the MAC protocol data unit is not transmitted. The prescribed MAC control element includes a MAC control element for a padding BSR, and does not include a MAC control element for a regular BSR.

Abstract: A 5G new radio (NR) Base Station (gNB) is described. The gNB includes a processor and memory in electronic communication with the processor. Instructions stored in the memory are executable to send a radio resource control (RRC) message to a user equipment (UE). The RRC message(s) includes different physical uplink control channel (PUCCH) configuration options and/or SR-configurations, comprising one or more of the following information elements (IE), i.e., Bandwidth, Numerology, BWP, Logical Channel (LCH), priority, LCG, Service, etc., for the UE to use in transmitting one or more scheduling requests (SR).

Abstract: A user equipment (UE) receiving, from a base station (BS), a higher layer signal including first information used for configuring more than one sets of one or more downlink component carriers (DCCs). The UE receives, using a physical downlinkn k control channel (PDCCH) in a UE-specific search space in a first subframe, from the BS, downlink control information (DCI) including second information indicating a trigger for a transmission of channel state information (CSI), the transmission of the CSI being triggered for one set of the more than one sets of one or more DCCs, the DCI being used for scheduling of a physical uplink shared channel (PUSCH) in one uplink component carrier. The UE transmits, using the PUSCH in a second subframe, to the BS, the CSI for the one set of the more than one sets of one or more DCCs in a case that the DCI including the second information indicating the trigger for the transmission of the CSI is received in the user equipment search space.

Abstract: Uplink communication is efficiently performed in non-allocated frequencies. The terminal apparatus includes: a reception unit configured to receive downlink control information on a PDCCH; and a transmission unit configured to transmit a random access preamble. For a first frame structure type, the downlink control information is used to configure a subframe number of a first uplink subframe in which transmission of the random access preamble is allowed. For a second frame structure type, the downlink control information is used to configure a subframe number of a second uplink subframe in which transmission of the random access preamble is allowed and a symbol number of an uplink symbol in the second uplink subframe.

Abstract: A user equipment (UE) is described. The UE includes a receiving circuitry configured to receive a radio resource control message including first information used for determining a monitoring occasion where the UE monitors a physical downlink control channel (PDCCH) in a search space. The receiving circuitry is also configured to receive a radio resource control message including second information used for determining downlink control information (DCI) formats which accordingly the UE monitors the PDCCH in the search space. The search space is a UE-specific search space. The monitoring occasion comprises a slot and/or a symbol. The DCI formats include a DCI format used for scheduling of a physical uplink shared channel (PUSCH) and/or a DCI format used for scheduling of a physical downlink shared channel (PDSCH).

Abstract: A user equipment (UE) is described. The user equipment includes receiving circuitry configured to receive a radio resource control (RRC) signal comprising first information. The receiving circuity is also configured to monitor a physical downlink control channel (PDCCH). The user equipment also includes transmitting circuitry configured to perform semi-persistent channel state information (SP-CSI) reporting. The user equipment also includes processing circuitry configured to drop the SP-CSI reporting based on that the SP-CSI reporting is being performed without multiplexing with an uplink shared channel (UL-SCH) and the SP-CSI reporting overlaps in time with a positive scheduling request (SR) transmission. The processing circuitry is also configured to drop the SP-CSI reporting based on that the SP-CSI reporting overlaps in time with an UL-SCH transmission in one symbol.

Abstract: A user equipment (UE) is described. The UE includes receiving circuity configured to receive a radio resource control (RRC) message comprising a first parameter used for configuring a periodicity. The receiving circuitry is also configured to receive a RRC message comprising a second parameter used for configuring a number of repetitions. The UE also includes transmitting circuitry configured to perform, based on the first parameter and the second parameter, repetitions of transmissions of a transport block. The UE is not expected to be configured with the number of repetitions larger than the number of slots within the period.

Abstract: A terminal device and a base station device efficiently communicate with each other. For the terminal device, in a case that third information is configured, a third maximum number of layers assumed for determining a bit width for a first RI and a fourth maximum number of layers assumed for determining a bit width for a second RI are provided, based on the third information. In a case that third information is not configured, (i) the third maximum number is provided, based on the smallest of a first number and a second number, and (ii) the fourth maximum number is provided, based on a smallest one of the first number and a third number. The first number is a second maximum number of the layers indicated by second information, the second number is a largest one of the number of antenna ports of a plurality of first CSI-RS resources, and the third number is a largest one of the number of antenna ports of a plurality of second CSI-RS resources.

Abstract: A user equipment (UE) is described. The UE includes receiving circuitry configured to receive a first parameter. The receiving circuitry is also configured to receive a second parameter. The UE also includes transmitting circuitry configured to perform, based on the first parameter, the first PUCCH repetitions in first multiple slots. The transmitting circuitry is also configured to perform, based on the second parameter, the second PUCCH receptions in second multiple slot. For a case that the first PUCCH repetitions collide with the second PUCCH receptions, a priority for different types of uplink control information (UCI) is applied. Hybrid automatic repeat request-acknowledgment (HARQ-ACK) has a higher priority than a scheduling request (SR) and channel state information (CSI). The SR has a higher priority than the CSI.

Abstract: There are provided a terminal device, a base station device, and an integrated circuit that enable a base station device and a terminal device to determine parameters related to uplink signals or uplink reference signals and to perform efficient communication.

Abstract: A terminal device transmits an RI determined by the terminal device, the RI corresponding to PDSCH transmission and corresponding to the number of layers, transmits capability information including first information, second information, third information, and/or fourth information, and receives fifth information, wherein the first information indicates a UE category corresponding to a first maximum number of the layers, the second information indicates a first bandwidth class, the third information indicates a second maximum number of the layers, the fourth information indicates a third maximum number of the layers, the fifth information indicates a fourth maximum number of the layers, and a fifth maximum number of the layers assumed for determining a bit width for the RI is given by referring to any one of the first maximum number of the layers, the second maximum number of the layers, and the fourth maximum number of the layers.

Abstract: A wireless communication system to which carrier aggregation is applied performs effective traffic adaptation. In a terminal device which communicates with a base station device using two serving cells including one primary cell and one secondary cell, in a case that a UL-DL configuration for the primary cell is different from a first downlink reference UL-DL configuration for the secondary cell and the serving cell is the secondary cell, a second downlink reference UL-DL configuration for the serving cell is set on the basis of a pair which is formed by the UL-DL configuration for the primary cell and the first downlink reference UL-DL configuration for the serving cell.

Abstract: Included are: a receiver configured to receive a PDCCH with DCI format; and a transmitter configured to perform corresponding PUSCH transmission in subframe n+k upon detection of the PDCCH in subframe n. The value of k is given based on whether a search space in which the PDCCH is detected is CSS or USS.

Abstract: A user equipment (UE) is described. Receiving circuitry is configured to receive first information, second information, third information. The receiving circuitry is also configured to monitor, based on the first information, a physical downlink control channel (PDCCH) for a downlink control information (DCI) format with cyclic redundancy check (CRC) scrambled by a cell-radio network temporary identifier (C-RNTI). The receiving circuitry is also configured to receive downlink data on a physical downlink shared channel (PDSCH). Transmitting circuitry is configured to transmit a random access preamble.

Abstract: A user equipment (UE) is described. Receiving circuitry is configured to receive an activation command for semi-persistent channel state information-reference signal (CSI-RS) and channel state information-interference measurement (CSI-IM) resource(s) configuration, the semi-persistent CSI-RS and CSI-IM resource(s) configuration being associated with a DL BWP. The receiving circuitry is configured to receive a deactivation command for the semi-persistent CSI-RS and CSI-IM resource(s) configuration. Processing circuitry is configured to consider that the semi-persistent CSI-RS and CSI-IM resource(s) configuration is suspended when the associated DL BWP is being deactivated.

Abstract: A terminal apparatus 1 and a base station apparatus 3 efficiently continue to communicate with each other. The terminal apparatus 1 is a terminal apparatus to be handed over from a source cell to a target cell, and the terminal apparatus is handed over from the source cell to the target cell, and includes a receiver 13 configured to receive a higher layer information mobilityControlInfo including a first uplink grant and a subframe allocation information and a transmitter 13 configured to perform a transmission based on the first uplink grant in one of a plurality of subframes indicated by the subframe allocation information, wherein the subframe allocation information indicates at least one of the plurality of subframes associated with a set having the same number across radio frames.

Abstract: A method for enabling a PUCCH with a TTI equal to or less than 1 ms. A terminal apparatus includes a transmitter configured to transmit an uplink signal on a PUCCH corresponding to a single SC-FDMA symbol, and a controller configured to determine transmit power for transmission on the PUCCH, wherein the uplink signal is generated based on a first sequence and a second sequence, the first sequence is given by applying a first cyclic shift to a third sequence, the second sequence is given by applying a second cyclic shift to the third sequence, and transmit power for transmission on the PUCCH is given based on a value of the first cyclic shift and a value of the second cyclic shift.