Abstract: Communication can be efficiently performed. In a case that a terminal apparatus is configured to monitor a first PDCCH candidate in a CSS and a second PDCCH candidate in a USS according to a DCI format accompanied with a C-RNTI in one non-interleaved CORESET having a period of one OFDM symbol, an aggregation level of the first PDCCH candidate is 8, an aggregation level of the second PDCCH candidate is 16, a lowest index of a CCE constituting the first PDCCH candidate is the same as a lowest index of a CCE constituting the second PDCCH candidate, a higher layer parameter PDCCH-DMRS-Scrambling-ID is not configured for the CORESET, and a size of the DCI format corresponding to the first PDCCH candidate is the same as a size of the DCI format corresponding to the second PDCCH candidate, it is considered that the DCI format is transmitted only in the first PDCCH candidate.

Abstract: The present invention can perform communication efficiently. In a case that (1) the terminal apparatus is configured to monitor a first PDCCH candidate in a CSS and a second PDCCH candidate in a USS according to a DCI format with a C-RNTI, (2) a set of resource elements constituting the first PDCCH candidate is the same as a set of resource elements constituting the second PDCCH candidate, (3) a higher layer parameter is not set, and/or (4) the size of the DCI format corresponding to the first PDCCH candidate is the same as the size of the DCI format corresponding to the second PDCCH candidate, a terminal apparatus regards that a PDCCH with the DCI format is transmitted or received in the first PDCCH candidate when the PDCCH with the DCI format is received in the second PDCCH candidate.

Abstract: A terminal apparatus includes a coding unit configured to divide a transport block into one or more code blocks and generate coded bit(s) by coding the one or more code blocks; and a transmitter configured to transmit the coded bit(s) by using a channel, wherein multiplex bit(s) are given based on at least coupling of the coded bit(s) generated by coding of the one or more code blocks, the coding unit maps the multiplex bit(s) to a matrix in a first-axis prioritized manner and reads the multiplex bit(s) from the matrix in the first-axis prioritized manner or in a second-axis prioritized manner, and whether the first axis or the second axis is prioritized in a case that the multiplex bit(s) are read from the matrix is given based on at least whether a signal waveform applied to a prescribed channel is an OFDM.

Abstract: A terminal apparatus receives an uplink grant used to schedule a PUSCH; transmits, in a case that an HARQ-ACK request included in the uplink grant is set so as to trigger transmission of an HARQ-ACK, the HARQ-ACK on the PUSCH corresponding to the uplink grant; and transmits, in a case that a CSI request included in the uplink grant is set so as to trigger a CSI report, an RI on the PUSCH corresponding to the uplink grant, in which an index of an SC-FDMA symbol in which the RI is transmitted is provided based on a value of the HARQ-ACK request.

Abstract: A terminal apparatus receives a PDCCH including a DCI format, and performs PUSCH transmission based on detection of the PDCCH. In an HARQ process corresponding to the PUSCH transmission, a value of an UL HARQ Round Trip Timer (RTT) timer for the HARQ process is provided based at least on a first condition and/or a second condition. The first condition is that a search space for the PDCCH detected is either a common search space or a UE-specific search space. The second condition is that a type of the HARQ process is either a synchronous HARQ or an asynchronous HARQ.

Abstract: A CCA level is made to be variable efficiently while maintaining the fairness relating to acquisition of a transmission opportunity by wireless terminal apparatuses, and thus efficiency of a radio resource is improved. Provided is a terminal apparatus that performs wireless communication with a base station apparatus, and includes; a MAC frame categorization unit categorizing MAC frames, in each of which media access control header is attached to transmission data, based on a type of MAC frame; and a QoS control unit performing a carrier sense using a first CCA level, in a case where the MAC frame is included in a first category that results from the categorization by the MAC frame categorization unit, and performing the carrier sense using a second CCA level different from the first CCA level, in a case where the MAC frame is included in a second category different from the first category.

Abstract: To perform communication efficiently. The present invention includes: a higher layer processing unit configured to configure an EUTRA NR Dual Connectivity (EN-DC) configuration and a configuration related to an EUTRA cell; a transmitter configured to transmit the EUTRA NR Dual Connectivity (EN-DC) configuration, the configuration related to the EUTRA cell, and a Downlink Control Information (DCI) format; and a receiver configured to receive HARQ-ACK, wherein in a case that a parameter related to single transmission for the EUTRA cell is included in the EN-DC configuration, and that an EUTRA Cell Group (CG) includes at least one Time Division Duplex (TDD) cell, a value of harq-Offset-r15 is set to 0.

Abstract: A terminal apparatus includes a receiver configured to monitor a PDCCH in a control resource set and a transmitter configured to transmit a PUSCH scheduled based on an uplink grant included in a DCI format transmitted in the PDCCH. The PDCCH includes one or more Control Channel Elements (CCEs). One of the one or more CCEs includes six Resource Element Groups (REGs). One of the REGs includes a PRB in an OFDM symbol. The one CCE includes one or more REG bundles non-continuously mapped in a frequency domain. One of the one or more REG bundles includes one or a plurality of the REGs. The number of the REGs constituting the one REG bundle in the frequency domain is given per the number of OFDM symbols in the one CCE.

Abstract: Provided is a terminal apparatus including: a measurement unit that can measure a time difference between reception and transmission by the terminal apparatus; a transmitter that can report a measurement result of the time difference based on an event associated with the measurement of the time difference, wherein in a case that the prescribed Transmission Time Interval (TTI) length is configured, and in addition, in a case that the measurement result is greater than a prescribed threshold, the transmitter reports the measurement result to the terminal apparatus. The transmission efficiency is thus improved.

Abstract: A terminal apparatus includes a receiver configured to receive a DCI format including an uplink grant, and a transmitter configured to transmit a PUSCH or an sPUSCH based on the uplink grant. A TTI of the PUSCH is one sub-frame. A TTI of the sPUSCH is shorter in value than one slot. In a case that a transmission of a channel quality indicator is triggered in response to a transmission of the PUSCH, the uplink control information is transmitted in the PUSCH. In a case that a transmission of a channel quality indicator is triggered in response to a transmission of the sPUSCH, a transmission of the uplink control information is dropped.

Abstract: A base station apparatus (3) includes a receiver (30) configured to receive an initial transmission of a transport block and a transmitter (30) configured to transmit a PDCCH for retransmission of the transport block. An uplink grant for the initial transmission of the transport block is included in a random access response corresponding to a non-contention based random access procedure. A type of a search space in which the PDCCH for retransmission of the transport block is transmitted is determined, based at least on whether an RRC layer parameter shortProcessingTime is configured for the terminal apparatus.

Abstract: A terminal apparatus in an initial access calculates, from the RSRP of the SS block, a downlink path loss used for transmission power of the PRACH, and determines a reference used for the downlink path loss used for transmission power of a first PUSCH scheduled by a random access response grant, based on system information included in the random access response grant, wherein the system information further includes a first parameter for indicating a subcarrier spacing for the first PUSCH and a second parameter for indicating a signal waveform for the first PUSCH.

Abstract: A terminal apparatus includes: a higher layer processing unit configured to configure, in the serving cell, the first set of downlink resource blocks (DL RBs) continuous in a frequency domain and the second set, which is different from the first set, of DL RBs continuous in the frequency domain; and a receiver configured to monitor a first PDCCH with a first DCI format in the first set, the first set being activated, and receive a PDSCH scheduled according to the first DCI format in the first set, wherein in a case that the number of different sizes of DCI formats monitored by using a C-RNTI in the serving cell exceeds three, a size of a first frequency domain resource allocation field included in the first DCI format is provided based on the number of the RBs in the second set, and the first frequency domain resource allocation field is used for scheduling the RBs in the first set.

Abstract: A terminal apparatus includes a receiver configured to monitor a PDCCH with a DCI format in a control resource set, and receive a PDSCH scheduled by the DCI format, wherein the DCI format includes a frequency domain resource assignment field, in a case that the number of bits of the frequency domain resource assignment field is given at least based on the number NtargetRB of resource blocks of a first bandwidth, and the frequency domain resource assignment field is applied to the first bandwidth, a value NRIV indicated by the frequency domain resource assignment field is given based on a first method, and in a case that the number of bits of the frequency domain resource assignment field is given at least based on the number NsizeRB of resource blocks of a second bandwidth, and the frequency domain resource assignment field is applied to the first bandwidth, the value NRIV is given based on a second method.

Abstract: A terminal apparatus attempts to decode a PDCCH during an active time in a case that an intermittent reception is configured. The terminal apparatus determines whether to start a UL HARQ RTT timer for a HARQ process based on whether a termination of an uplink transmission is indicated in a case that the PDCCH indicates the uplink transmission for the HARQ process.

Abstract: To improve communication performance such as a throughput and communication efficiency in a system where multiple communication schemes are used. An apparatus includes a transmitter configured to transmit a transmit signal generated from transmission bits, the transmitter including a coding unit configured to generate the transmission bits by coding and rate matching, the coding unit including a first coding unit, a first interleaving unit, a first bit selection unit, a second coding unit, a second interleaving unit, and a second bit selection unit. The first bit selection unit and the second bit selection unit are different in the initial position based on the same redundancy version.

Abstract: The terminal apparatus 1 receives an uplink grant to be used for scheduling a PUSCH in the serving cell and an uplink grant to be used for scheduling a sPUSCH in the serving cell, transmits a periodic channel state information report using a PUCCH in the serving cell, transmits the periodic channel state information report using the PUSCH in a subframe in which the PUSCH is scheduled, and does not transmit the periodic channel state information report using the sPUSCH in a subframe in which the sPUSCH is scheduled. According to the present invention, the terminal apparatus 1 can efficiently transmit the uplink control information. Also, the base station apparatus 3 can efficiently receive the uplink control information.

Abstract: A terminal apparatus transmits uplink information on an uplink physical channel, encodes the uplink information and sets transmission power for the uplink physical channel at least based on a parameter, wherein in a case that a first error correction encoding method is applied to the uplink information, the parameter is given at least based on a product of a first value and a first number of bits before coding per resource element, and in a case that a second error correction encoding method is applied to the uplink information, the parameter is given at least based on a product of a second value and a second number of bits before coding per resource element, the second value being different from the first value, and the second error correction encoding method being different from the first error correction encoding method.

Abstract: A terminal apparatus including a coding unit configured to code a payload of uplink control information (UCI) and to perform rate matching of coded bits of the payload and a transmitter configured to transmit the UCI, wherein the payload includes part or all of hybrid automatic repeat request-acknowledgement (HARQ-ACK) information, a scheduling request, and channel state information (CSI), a length EUCI of an output sequence of the rate matching is given based on a first number OCRC of cyclic redundancy check (CRC) bits, the first number OCRC of CRC bits is given based on a size of the payload, and a size of second CRC bits added to the payload is given based on the size of the payload and the length EUCI of the output sequence of the rate matching.

Abstract: A terminal apparatus includes a coding unit configured to divide a transport block into one or more code blocks and generate coded bit(s) by coding the one or more code blocks; and a transmitter configured to transmit the coded bit(s) by using a channel, wherein multiplex bit(s) are given based on at least coupling of the coded bit(s) generated by coding of the one or more code blocks, the coding unit maps the multiplex bit(s) to a matrix in a first-axis prioritized manner and reads the multiplex bit(s) from the matrix in the first-axis prioritized manner or in a second-axis prioritized manner, and whether the first axis or the second axis is prioritized in a case that the multiplex bit(s) are read from the matrix is given based on at least whether a signal waveform applied to a prescribed channel is an OFDM.