Abstract: A terminal apparatus determines the parameter fc(i), based on at least whether an RRC layer parameter symPUSCH_UpPTS is configured for the terminal apparatus, calculates transmit power for PUSCH transmission in a subframe i, based on at least the parameter fc(i), maps a PUSCH to a SC-FDMA symbol of a special subframe, based on the RRC layer parameter symPUSCH_UpPTS, and transmits the PUSCH.

Abstract: To perform communication efficiently. Provided are a receiver configured to receive a random access preamble and a transmitter configured to transmit one or multiple medium access control random access responses (MAC RARs) corresponding to the random access preamble. The transmitter sets, in a case that a MAC RAR of the one or multiple MAC RARs is transmitted in a new radio access technology (NR) cell, a timing advance command (TAC) field included in the MAC RAR to have a first size and an uplink (UL) grant to have a second size, and sets. in a case that a MAC RAR of the one or multiple MAC RARs is transmitted in an NR-unlicensed (NR-U) cell, a size of the TAC field included in the MAC RAR to be smaller than the first size and a size of the UL grant to be greater than the second size.

Abstract: A communication method used for a terminal device is provided. The communication method comprises triggering transmission of a first hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook; and when transmission of a second HARQ-ACK codebook is triggered before the first HARQ-ACK codebook has been transmitted, canceling the transmission of the first HARQ-ACK codebook; and transmitting the second HARQ-ACK codebook.

Abstract: A method for a user equipment (UE) which communicates with a base station is described. The method may comprise acquiring radio resource control (RRC) configuration information. The RRC configuration information may indicate a configuration of downlink control (DCI) format 2_0. The method may also comprise monitoring a physical downlink control channel (PDCCH) with the DCI format 2_0. The DCI format 2_0 may include a first information field. The first information field may indicate a remaining channel occupancy duration. The remaining channel occupancy duration may be expressed as the number of OFDM symbol(s) starting from a slot where the DCI format 2_0 is detected.

Abstract: The present invention is provided with: a radio resource control layer processing unit (16) configured to configure the number of PDCCH candidates configured in a dedicated control resource set, based on RRC signaling; a receiver (10) configured to monitor the multiple PDCCH candidates in the dedicated control resource set; and a decoding unit configured to decode the PDCCH candidates. a first number of the PDCCH candidates are monitored in the dedicated control resource set in a time period in which a common control resource set is not configured, a second number of the PDCCH candidates are monitored in the dedicated control resource set in a time period in which the common control resource set is configured, and a third number of the PDCCH candidates are monitored in the common control resource set. The sum of the second number and the third number is equal to the first number.

Abstract: A terminal apparatus that includes: a receiving portion for receiving a PDSCH including a transport block; and a transmitting portion for transmitting, on a PUCCH, HARQ-ACK information corresponding to the transport block. The PDSCH is allocated to first resources other than second resources. The second resources are used for one or more SS/PBCH blocks when an nth bit of a higher layer parameter is set to a specific value. The nth bit corresponds to the one or more SS/PBCH blocks, where each of the one or more SS/PBCH blocks has a first index corresponding to (n?1). The first index is determined by a remainder acquired by dividing a second index by a value indicated by a PBCH in each of the one or more SS/PBCH blocks. The second index is notified based on at least a reference signal of the PBCH in each of the one or more SS/PBCH blocks.

Abstract: Methods for a terminal apparatus are disclosed, comprising: receiving a transmission band configuration, wherein the transmission band configuration is provided by an initial downlink bandwidth part (DL BWP) in case that at least one predetermined condition is satisfied, the transmission band configuration is provided by a dedicated radio resource control (RRC) message in case that the at least one predetermined condition is not satisfied, the predetermined condition includes a dedicated RRC parameter is not provided, the terminal apparatus is in idle mode, the terminal apparatus performs an initial connection, the terminal apparatus does not support at least one of one or more carrier bands based on a parameter in a common RRC message, the terminal apparatus supports a band of the initial DL BWP, and the terminal apparatus supports a band of a control resource set with an index equals to zero.

Abstract: A terminal apparatus is a terminal apparatus for communicating via a primary cell and a secondary cell, the terminal apparatus including: a receiver configured to receive an activation/deactivation MAC CE indicating activation of the secondary cell; and a medium access control layer processing unit configured to: activate a first downlink BWP in multiple downlink BWPs in a case that the activation/deactivation MAC CE is received and the secondary cell is not activated; and not to activate the first downlink BWP in a case that the activation/deactivation MAC CE is received, the secondary cell is activated, and a second downlink BWP of the secondary cell is activated. The first downlink BWP is different from the second downlink BWP.

Abstract: A terminal apparatus includes a transmitter configured to transmit, in one uplink BWP of one serving cell, a first PUSCH corresponding to a configured uplink grant, and a receiver configured to receive, in one downlink BWP of the one serving cell, downlink control information to be used to schedule a second PUSCH on a PDCCH, in which, in a case that a duration of the first PUSCH overlaps a duration of the second PUSCH in the one uplink BWP, a first uplink symbol of the first PUSCH is expected to not be earlier than a first (next) uplink symbol at which a CP begins after a predetermined period of time after a last symbol of the PDCCH.

Abstract: A BSS to which a destination wireless communication apparatus of a physical layer frame belongs is identified, and accuracy of preamble detection is improved by changing a reception operation. A wireless communication apparatus includes a reception unit that detects a frame including information for identifying a BSS, and a control unit that switches between a first operation in a case where the frame is a frame which is associated with a BSS to which the wireless communication apparatus belongs and a second operation in a case where the frame is a frame which is not associated with the BSS to which the wireless communication apparatus belongs. Carrier sensing is not performed in the first operation, and the carrier sensing is performed in the second operation.

Abstract: A terminal apparatus includes a receiver configured to receive, in one downlink BWP of one serving cell, a first PDSCH corresponding to a configured downlink assignment, and a receiver configured to receive, in the one downlink BWP, downlink control information to be used to schedule a second PDSCH on a PDCCH, and, in the one downlink BWP, in a case that a duration of the first PDSCH corresponding to the configured downlink assignment overlaps a duration of the second PDSCH corresponding to the PDCCH, a first downlink symbol of the first PDSCH is expected to not be earlier than a first (next) downlink symbol at which a CP begins after a predetermined period of time after a last symbol of the PDCCH.

Abstract: A terminal apparatus includes a transmitter configured to transmit capability information of the terminal apparatus, and a receiver configured to perform blind detection of a PDCCH from a search space in a control resource set, wherein in a case that a capability of blind detection is supported, the blind detection detecting the PDCCH from search spaces in control resource sets the number of which is greater than a prescribed number in a prescribed duration, the transmitter transmits, as the capability information of the terminal apparatus, at least two of pieces of information including (a) a maximum number of blind detections that can be performed in the prescribed duration, (b) a maximum number of blind detections in a unit time, (c) a maximum number of blind detections based on configuration for the control resource set, and (d) a maximum number of the control resource sets for which blind detections can be simultaneously performed.

Abstract: An apparatus includes: a transmitter configured to transmit a transport block and HARQ-ACK on PUSCH; and a physical layer processing unit configured to calculate a number of coded bits for the HARQ-ACK, at least based on a number of SC-FDMA symbols NPUSCH-initialsymb for PUSCH initial transmission for the transport block, and modulation order for the transport block, wherein the number of the SC-FDMA symbols NPUSCH-initialsymb is given at least based on NLBT and a number of SC-FDMA symbols NULsymb included in an uplink slot, and a value of NLBT is 1 in a case that a time continuous signal of a first SC-FDMA symbol included in the PUSCH is generated based on a content of a resource element corresponding to a second SC-FDMA symbol following the first SC-FDMA symbol.

Abstract: The present invention provides a method executed by a user equipment UE, and the method comprises: a first step of determining and aligning the size of a downlink control information (DCI) format 0_0 monitored in a common search space (CSS) and the size of a DCI format 1_0 monitored in the CSS; a second step of determining and aligning the size of a DCI format 0_0 monitored in a UE specific search space (USS) and the size of a DCI format 1_0 monitored in the USS; and a third step of determining the size of a DCI format 0_1 monitored in the USS and/or the size of a DCI format 1_1 monitored in the USS and adjusting the determined size of the DCI format 0_1 monitored in the USS and/or the determined size of the DCI format 1_1 monitored in the USS, so that the adjusted size is neither equal to the aligned size of the DCI format 0_0 monitored in the CSS or the aligned size of the DCI format 1_0 monitored in the CSS, nor equal to the aligned size of the DCI format 0_0 monitored in the USS or the aligned size of the

Abstract: OFDMA transmission by a plurality of terminal apparatuses is realized in a communication system in which CSMA/CA is premised and existing terminal apparatuses coexist. A communication method of a radio receiving apparatus of the invention includes the steps of: receiving a resource reserving signal which is transmitted from the radio transmission apparatus and which includes information indicating that the signal is addressed to the plurality of radio receiving apparatuses; and transmitting a resource reserving response signal to the radio transmission apparatus by using at least one radio resource with which the resource reserving signal is received, in which at least part of information included in the resource reserving response signal is identical to information included in the first resource reserving response signal transmitted by another of the radio receiving apparatuses.

Abstract: A terminal apparatus comprises a reception unit and a higher layer processing unit. When a carrier is set in an unlicensed band, the reception unit is configured to detect a first PDCCH in a first type 0 PDCCH common search space set and receive a first PDSCH scheduled by the first PDCCH. When the carrier is not set in the unlicensed band, the reception unit is configured to detect a second PDCCH in a second type 0 PDCCH common search space set and receive a second PDSCH scheduled by the second PDCCH. A higher layer processing unit is configured to manage common RRC signaling included in the first PDSCH or the second PDSCH. A time domain resource configuration of the first PDSCH is a first configuration, and a time domain resource configuration of the second PDSCH is a second configuration different from the first configuration.

Abstract: A terminal apparatus receives one transport block by using a PDSCH, receives RRC information indicating a maximum number X of CBGs, determines transmit power of a PUCCH, and transmits UCI at least including a HARQ-ACK corresponding to the one transport block on the PUCCH. The one transport block includes NCB code blocks. The HARQ-ACK includes the X HARQ-ACKs bits. In a case that a number of bits of the UCI does not exceed a prescribed number of bits, the transmit power of the PUCCH including the UCI is determined at least based on a smaller value of the X and the NCB. In a case that the number of bits of the UCI exceeds the prescribed number of bits, the transmit power of the PUCCH is determined at least based on the number of bits of the UCI.

Abstract: It is possible to efficiently perform uplink transmission, A terminal apparatus is configured to receive a PDCCH and to transmit one or multiple first PUSCHs scheduled based at least on a DCI format included in the PDCCH, A size of an HARQ-ACK codebook to be mapped to any of one or multiple second PUSCHs included in the one or multiple first PUSCHs is provided based at least on a UL DAI included in the DCI format. The one or multiple second PUSCHs are provided based at least on some or all of a selection method 1, a selection method 2, a selection method 3, a selection method 4, a selection method 5, a selection method 6, a selection method 7, and a selection method S. A method for indicating the selected PUSCH is any of an indication method 1, an indication method 2, an indication method 3, and an indication method 4.

Abstract: An apparatus includes a receiver configured to receive a PDCCH including a DCI format, and a transmitter configured to transmit a PUCCH, wherein in a case that the DCI format schedules a PDSCH and that a last OFDM symbol of the PDSCH is mapped in a first slot, the PUCCH is transmitted in a second slot, and a first offset from the first slot to the second slot is given at least based on a PDSCH-to-HARQ-timing-indicator included in the DCI format, and in a case that the DCI format indicates an SPS release and that a last OFDM symbol of the PDCCH is mapped to a third slot, the PUCCH is transmitted in a fourth slot, and a second offset from the third slot to the fourth slot is given at least based on the PDSCH-to-HARQ-timing-indicator.

Abstract: A terminal apparatus includes: a receiver configured to receive first information related to query for capability of the terminal apparatus; and a transmitter configured to transmit second information related to the capability of the terminal apparatus, wherein the second information includes third information related to a band combination of operating bands used for carrier aggregation (CA), the band combination supported by the terminal apparatus, and in a case that more than one subcarrier spacings (SCSs) are supported by the terminal apparatus in each of the operating bands, the third information includes fourth information related to a SCS combination that can be applied to the band combination.