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 device is provided such that in a case that closed-loop UE transmit antenna selection is configured, a bit sequence is given by scrambling CRC parity bits with an RNTI and an antenna selection mask, in a case that the number of the CRC parity bits is a first value, a first transmit antenna port is given by a first antenna selection mask, and in a case that the number of the CRC parity bits is a second value, the first transmit antenna port is given by a second antenna selection mask that is different from the first antenna selection mask.

Abstract: Provided is a terminal device that receives RRC layer information indicating an asynchronous HARQ for a secondary cell, and a first random access response, which is a random access response including fields for indicating an uplink grant and a Temporary C-RNTI and is related to a non-contention based random access procedure on the secondary cell, that manages multiple HARQ processes, and that delivers the uplink grant to an HARQ process that instructs the transmission unit to transmit the MAC layer data in accordance with the uplink grant. In a case that the RRC layer information indicating the asynchronous HARQ is configured, a HARQ process in which the uplink grant included in the first random access response is delivered is determined based on the value of a field for indicating the Temporary C-RNTI included in the first random access response.

Abstract: A terminal device and a base station device can efficiently communicate with each other by using a downlink channel. The terminal device monitors, in an EPDCCH-PRB-set p in a subframe k, a first set ESk(L) of first EPDCCH candidates and a second set ESk(L) of second EPDCCH candidates. A first number Mp,c(L) of the first EPDCCH candidates is determined according to a first ?p,c and Mp(L), and a second number Mp,c(L) of the second EPDCCH candidates is determined according to a second ?p,c and Mp(L). First ECCE(s) corresponding to an mth first EPDCCH candidate included in the first set ESk(L) and second ECCE(s) corresponding to an mth second EPDCCH candidate included in the second set are determined according to a first value. The first value is given by a following expression, where NECCE,p,k is a total number of ECCEs included in the EPDCCH-PRB-set p in the subframe k.

Abstract: A mobile communication system and a communication method are provided in which, a base station apparatus can efficiently allocate, to a mobile station apparatus, an uplink resource for transmitting information indicating an ACK/NACK for downlink data. The mobile station apparatus that communicates with the base station apparatus, comprising: a scheduling unit configured to determine two physical uplink control channel resources for a transmission using a physical downlink shared channel in a case that a downlink transmission mode that supports the transmission of up to two downlink transport blocks using the physical downlink shared channel is configured for the secondary cell, and a physical downlink control channel that indicates the transmission using the physical downlink shared channel on the secondary cell is detected on the secondary cell.

Abstract: Aspects of the disclosure relate to a terminal device including a reception unit configured to receive a first set of information used for permitting simultaneous transmission of a CSI and a HARQ-ACK using PUCCH format (3), and receive a second set of information used for permitting simultaneous transmission of a CSI and a HARQ-ACK using PUCCH format (4). The terminal device may also include a transmission unit for transmitting a HARQ-ACK and/or a CSI. Based at least on whether the first set of information, the second set of information, and the HARQ-ACK correspond to a PDSCH transmission on a secondary cell with a cell index less than or equal to a first predetermined value or whether the HARQ-ACK corresponds to a PDSCH transmission on a secondary cell with a cell index greater than the first predetermined value, processing operations related to HARQ-ACK and/or CSI transmission may be executed.

Abstract: Aspects of the disclosure relate to a terminal device including a transmission unit configured to transmit a HARQ-ACK using a first PUCCH resource and a PUCCH format (3) with respect to PDSCH transmission on a secondary cell having a cell index less than or equal to a first predetermined value, and transmit a HARQ-ACK by using a second PUCCH resource and a PUCCH format (4) with respect to PDSCH transmission on a secondary cell having a cell index greater than the first predetermined value. The first predetermined value may be the value of a fourth cell index when arranging the values of the cell indices set by a base station device in ascending order.

Abstract: A MS transmits, to a BS, uplink data (UD) on a PUSCH, PUSCH being assigned by using a PDCCH. The MS receives on PDCCH, an indication instructing the MS to transmit reception quality information (RQI) without UD on PUSCH, and transmits on PUSCH, to the BS, RQI without UD based on the indication which is received on PDCCH. The indication is specified based on values to which a plurality of fields of information transmitted on PDCCH are set. One of the plurality of fields is a field used for instructing the MS to transmit RQI and another is a field used for indicating a redundancy version. For instructing the MS to transmit RQI without UD on PUSCH, the field used for instructing the MS to transmit RQI is set to a first single predetermined value (SPV) and the field used for indicating the redundancy version is set to a second SPV.

Abstract: A terminal apparatus communicates with a base station apparatus by using a plurality of cells including at least a primary cell and a secondary cell. The terminal apparatus decodes a PDCCH with downlink control information format in which at least a transmission power control command field is included, transmits a PUCCH on the primary cell, and determines transmission power of the PUCCH on the primary cell based on at least a PUCCH power control adjustment parameter. The PUCCH power control adjustment parameter is calculated by accumulating at least a value indicated by the transmission power control command field, and in a case where the terminal apparatus receives a random access response message for the primary cell, the transmission power control circuitry is configured to and/or programmed to reset the PUCCH power control adjustment parameter.

Abstract: Uplink control information can be efficiently transmitted. A terminal apparatus (1) receives an uplink grant used for scheduling of a PUSCH in a serving cell and an uplink grant used for scheduling of a sPUSCH in the serving cell, transmits a periodic channel state information report by using the PUCCH in the serving cell, and in a case that transmission of the sPUSCH occurs in a subframe in which transmission of the periodic channel state information report by using the PUCCH has already started, stops the transmission of the PUCCH already started. According to the present invention, the terminal apparatus (1) can efficiently transmit the uplink control information. The base station apparatus (3) can efficiently receive the uplink control information.

Abstract: To provide a terminal apparatus, a base station apparatus, and a communication method that enable a communication apparatus (terminal apparatus and/or base station apparatus) supporting multiple subcarrier spacings to perform efficient communication. A terminal apparatus includes: a reception unit configured to receive a control channel with a control information format including a first field and a second field; a reception control unit configured to identify a subcarrier spacing, based on a value of the first field; and a reception unit configured to receive a data channel assigned based on a value of the second field by using the identified subcarrier spacing.

Abstract: A terminal device and a base station device can efficiently communicate with each other by using a downlink channel. The terminal device monitors, in a subframe k, a first set Sk(L) of first PDCCH candidates and a second set Sk(L) of second PDCCH candidates. A first number Mc(L) of first PDCCH candidates is given based on first ?c and M(L), and a second number Mc(L) of second PDCCH candidates is given based on second ?c and M(L). First CCE(s) corresponding to an m-th first PDCCH candidate included in the first set Sk(L) and a second CCE(s) corresponding to an m-th second PDCCH candidate included in the second set are given by an expression below. NCCE,k is a total number of CCEs in the subframe k, and L is an aggregation level.

Abstract: A terminal apparatus receives a random access response including a random access response grant, and transmits a PUSCH based on the random access response grant. A subframe available for PUSCH transmission corresponding to the random access response grant associated with a non-contention based random access procedure at least includes a special subframe including an added UpPTS, and a subframe available for PUSCH transmission corresponding to the random access response grant associated with a contention based random access procedure does not include a special subframe including the added UpPTS.

Abstract: A terminal device includes means of determining resource elements to which a physical downlink shared channel is mapped for transmission on the physical downlink shared channel in a non-MBSFN subframe that is scheduled by using a downlink control information format 1A based on positions of cell-specific reference signals that are provided by using a physical layer cell identity.

Abstract: A terminal apparatus capable of efficiently performing a random access procedure is a terminal apparatus that communicates with a base station apparatus by using multiple serving cells including a primary cell and one or multiple secondary cells, and includes a medium access control layer processing unit (15) for starting a random access procedure in any one of the multiple serving cells based on a PDCCH order, a transmitter (10) for transmitting a random access preamble in any one of the multiple serving cells, and a receiver (10) for receiving a random access response, in which the medium access control layer processing unit (15), in a case that reception of the random access response is considered not successful, determines whether to automatically resume transmission of the random access preamble or not, at least based on which of the primary cell and the secondary cell is used to transmit the random access preamble.

Abstract: A terminal apparatus communicates with a base station apparatus. The terminal apparatus includes: a determination unit that determines the number of modulation symbols for channel state information transmitted on a physical uplink shared channel based on a value of an offset; and a transmission unit that transmits the channel state information to the base station apparatus on the physical uplink shared channel. When two subframe sets are configured by higher layers, the value of the offset is determined depending on the subframe set to which subframes for transmission on the physical uplink shared channel belong. Thus, the communication can be performed efficiently in a radio communication system in which the channel state information is used.

Abstract: A terminal apparatus (1) capable of efficiently performing a random access procedure includes a medium access control layer processing unit (15) for starting a random access procedure based on a PDCCH order, a transmitter (10) for transmitting a random access preamble by using a Physical Random Access CHannel (PRACH), and a transmit power controller (17) for setting transmit power for transmitting the random access preamble based on a transmission counter, in which the transmission counter is configured at least based on a first piece of information and a second piece of information included in the PDCCH order, the first piece of information is used for indicating the random access preamble, and the second piece of information is used for selecting a resource of the PRACH.

Abstract: A wireless terminal participates in communications over a radio interface with an access node of a radio access network (RAN). The wireless terminal comprises processor circuitry configured to detect an abnormal operation of the wireless terminal and to autonomously declare a Safe-Mode without permission of the radio access network. In an example implementation, the processor circuitry is further configured to generate a safe mode indication configured to indicate to the access node that one or more capabilities supported by the wireless terminal is temporarily not available at the wireless terminal; and wherein the wireless terminal further comprises transmitter circuitry configured to transmit the safe mode indication over the radio interface to the access node.

Abstract: The present invention relates to a terminal apparatus and a base station apparatus that enable efficient communication. To perform efficient uplink transmission by using a non-allocated frequency band or a shared frequency band. A terminal apparatus includes a reception unit configured to receive a message of terminal capability enquiry and a transmission unit that transmits terminal capability information in a case that the message has been received. In a case that the terminal capability information includes first information indicating that uplink LAA is supported, the transmission unit transmits a first PUSCH of a first resource allocation type or a second resource allocation type in a cell that is other than an LAA secondary cell, whereas in the LAA secondary cell, transmits a second PUSCH of a third resource allocation type.

Abstract: Provided is a terminal device that receives RRC layer information indicating an asynchronous HARQ for a secondary cell, and a first random access response, which is a random access response including fields for indicating an uplink grant and a Temporary C-RNTI and is related to a non-contention based random access procedure on the secondary cell, that manages multiple HARQ processes, and that delivers the uplink grant to an HARQ process that instructs the transmission unit to transmit the MAC layer data in accordance with the uplink grant. In a case that the RRC layer information indicating the asynchronous HARQ is configured, a HARQ process in which the uplink grant included in the first random access response is delivered is determined based on the value of a field for indicating the Temporary C-RNTI included in the first random access response.