Abstract: A wireless communication device (10, 10A) includes a first wireless communication unit (111), a second wireless communication unit (112), and a control unit (130). The first wireless communication unit (111) performs communication by connecting to a first communication network that permits connection in a predetermined area. The second wireless communication unit (112) performs communication by connecting to a second communication network different from the first communication network. The control unit (130) predicts communication quality of communication by the first wireless communication unit (111), and determines whether or not to perform communication by the second wireless communication unit (112) based on whether or not the predicted communication quality satisfies a desired communication quality.

Abstract: A communication apparatus (100 and 100A to 100C) includes a first communication unit (110), a second communication unit (110), and a control unit (140 and 140A to 140C). The first communication unit (110) performs wireless communication via an upper communication path. The second communication unit (110) communicates with a terminal apparatus (200 and 200B) via a selected communication path that is one of a plurality of lower communication paths including a wireless communication path and a wired communication path. The control unit (140 and 140A to 140C) detects whether or not communication using the selected communication path has an effect on the upper communication path, and, when the effect is detected, estimates, for each combination of the plurality of lower communication paths and the upper communication path, a communication state of the upper communication path and the lower communication path included in the combination.

Abstract: A terminal apparatus and a method for communicating with a base station apparatus are provided. The method includes receiving Radio Resource Control (RRC) signaling and a first DCI format addressed to a Cell-Radio Network Temporary Identifier (C-RNTI); determining a first priority of a first uplink grant based on a priority field in the RRC signaling; and transmitting a first Physical Uplink Shared Channel (PUSCH) scheduled by the first uplink grant and a second PUSCH scheduled by a second uplink grant. The first uplink grant is a configured uplink grant notified by the RRC signaling. The second uplink grant is notified by the first DCI format.

Abstract: The wireless communication device (200) according to the present disclosure includes the control unit (260). The control unit (260) acquires the temperatures of a plurality of antennas (2110) having different directivities. The control unit (260) acquires information regarding the communication quality of the plurality of antennas (2110). In a case where the temperature of the antenna which is being used for communication is equal to or higher than the second temperature threshold which is lower than the first temperature threshold for determining whether or not to stop using the antenna (2110), the control unit (260) switches the antenna which is being used to an antenna selected on the basis of the communication quality among the antennas whose temperatures are lower than the second temperature threshold.

Abstract: A state managing unit configured to control a prescribed communication resource allocating process and a reception processing unit configured to receive a control element (CE) are included. The prescribed communication resource allocating process is a process of allocating a communication resource at a predetermined time interval, and the state managing unit suspends an uplink grant configured for the prescribed communication resource allocating process in a case that the reception processing unit receives an SCell Activation/Deactivation MAC CE for deactivating a secondary cell, or an sCellDeactivationTimer configured for the secondary cell expires, and the state managing unit reinitializes the uplink grant suspended, in a case that the reception processing unit receives the SCell Activation/Deactivation MAC CE for activating the secondary cell after the state managing unit suspends the uplink grant.

Abstract: The wireless communication device (200) according to the present disclosure includes the control unit (260). The control unit (260) acquires the temperatures of a plurality of antennas (2110) having different directivities. The control unit (260) acquires information regarding the communication quality of the plurality of antennas (2110). In a case where the temperature of the antenna which is being used for communication is equal to or higher than the second temperature threshold which is lower than the first temperature threshold for determining whether or not to stop using the antenna (2110), the control unit (260) switches the antenna which is being used to an antenna selected on the basis of the communication quality among the antennas whose temperatures are lower than the second temperature threshold.

Abstract: A terminal apparatus and a method for communicating with a base station apparatus are provided. The method includes receiving Radio Resource Control (RRC) signaling and a first DCI format addressed to a Cell-Radio Network Temporary Identifier (C-RNTI); determining a first priority of a first uplink grant based on a priority field in the RRC signaling; and transmitting a first Physical Uplink Shared Channel (PUSCH) scheduled by the first uplink grant and a second PUSCH scheduled by a second uplink grant. The first uplink grant is a configured uplink grant notified by the RRC signaling. The second uplink grant is notified by the first DCI format.

Abstract: To provide a base station apparatus, a terminal apparatus, and a communication method capable of ensuring high reliability and low latency of URLLC. There are included a receiver configured to detect first and second DCI formats and RRC information, and a transmitter capable of data transmission based on any of a first uplink grant to be available via activation by using a radio resource periodicity included in the RRC information and the first DCI format, a second uplink grant to be available via activation by using the radio resource periodicity included in the RRC information and the second DCI format, and a third uplink grant to be available after detection of the second DCI format, wherein multiple DCI formats are detected, the transmitter performs an override, in a case that the third uplink grant overlaps in a time domain with the second uplink grant, and performs an override, in a case that the first uplink grant overlaps in a time domain with the third uplink grant.

Abstract: A terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a receiver configured to receive information related to subcarrier spacing for an OFDM signal from the base station apparatus; and a transmitter configured to transmit an uplink data channel to the base station apparatus by using the OFDM signal, based on the information related to the subcarrier spacing. The transmitter generates the OFDM signal by using a plurality of the subcarrier spacings, and the transmitter configures a transmit power of the uplink data channel, based on the subcarrier spacing of subcarriers to which the uplink data channel has been mapped.

Abstract: A receiver configured to receive first information on a configuration of a demodulation reference signal via higher layer signaling and receive downlink control information including second information on transmission of the demodulation reference signal via a physical downlink control channel, and a transmitter configured to transmit the demodulation reference signal and uplink data are included. The transmitter transmits the demodulation reference signal and the uplink data by using a same OFDM symbol based on at least the first information and the second information.

Abstract: [Object] Diagnosis of operation of each communicating unit is realized in a more suitable mode under conditions where plural communicating units are used for wireless communication. [Solving Means] A communicating device including plural communicating units each configured to communicate with another communicating device via a wireless communication path; a casing configured to support the plural communicating units such that the plural communicating units respectively receive radio signals arriving from directions relatively different from each other; and a communication control section configured to control operation of each of the plural communicating units, the communication control section performing control such that priority is given to reception of a radio signal by a target communicating unit among the plural communicating units and controlling execution of processing related to diagnosis of the communicating unit in question, on the basis of a result of the reception.

Abstract: A terminal apparatus includes a control information detection unit configured to detect first and second DCI, and a transmitter configured to perform UL data transmission based on the first DCI or cancel a resource allocated in the second DCI. A UL grant using the first DCI is detected, when performing UL data transmission based on the UL grant, after the data transmission, a first timer for a corresponding HARQ process is started and a second timer is stopped, and when the first timer expires, the second timer for a HARQ process is started. When cancellation of the UL data transmission using the second DCI is detected, at a timing for the data transmission canceled, the second timer is restarted in a case that the first timer expires and the second timer is running, and the second timer is started in a case that the second timer is not running.

Abstract: [Problem] To provide a mechanism for achieving measurement which eliminates an effect of shielding by a shield. [Solution] A terminal apparatus including: one or more antenna modules; and a control unit that controls a process for changing a receivable direction of the antenna module used for measurement while fixing a shield state of the antenna module as a state produced by a shield, and a process for measuring downlink communication quality according to the change of the receivable direction of the antenna module used for the measurement.

Abstract: A base station apparatus controls an access scheme for each radio resource by using higher layer signaling such that only signals generated by a same type of a signal generation method are multiplexed for each radio resource.

Abstract: Proper use of a sparse code prevents PAPR performance from improperly degrading.

Abstract: A base station apparatus, a terminal apparatus, and a communication method are provided that can distinguish eMBB traffic from URLLC traffic in an uplink.

Abstract: A terminal apparatus includes a transmitter configured to transmit PUSCH data and a receiver configured to receive RRC information. The transmitter transmits the PUSCH data by using a resource associated with an HARQ process ID determined by symbol information for transmission of the PUSCH data, a period, and the number of HARQ processes. In a case that the receiver receives no response to the transmission of the PUSCH data with the HARQ process ID after the transmission of the PUSCH data is performed and before a timer included in the RRC information expires, the transmitter transmits new PUSCH data by using the resource associated with the HARQ process ID determined by the symbol information for the transmission of the PUSCH data, the period, and the number of HARQ processes.

Abstract: A base station apparatus receives an uplink shared channel and a reference signal, the uplink shared channel including uplink data, an identifier of a terminal apparatus that has transmitted the uplink data, a first CRC generated from the identifier bits, and a second CRC generated from the uplink data bits. In a case that an error is detected based on the first CRC, the base station apparatus transmits a first NACK by using a control signal associated with the reference signal sequence. In a case that an error is detected based on the second CRC, the base station apparatus transmits a second NACK by using a control signal associated with the identifier indicating the terminal apparatus.

Abstract: A terminal apparatus includes: a control information detection unit configured to detect RRC information; and a transmitter configured to transmit an SR for requesting a PUSCH resource, wherein a configuration of a PUCCH detected includes multiple configurations for the SR, including at least a first resource used to transmit the SR for transmission of a first transport block and a second resource used to transmit the SR for transmission of a second transport block, an MCS table used for the transmission of the first transport block can specify an MCS with a frequency utilization efficiency lower than a lowest frequency utilization efficiency usable in an MCS table used for the transmission of the second transport block, and the transmitter transmits the SR in the first resource in a case that a higher layer provides at least the first transport block, and transmits the SR in the second resource in a case that the higher layer provides the second transport block.

Abstract: In a case that a CQI table applied to interpret a CSI report is changed from a first CQI table including modulation schemes up to 64QAM to a second CQI table including modulation schemes up to 256QAM, information on a CQI table selection indicating applicability of the second CQI table and a CSI subframe set indicating subframes for which a CQI table selected in the CQI table is used are transmitted. In a case that the CQI table applied to interpret the CSI report is changed from the second CQI table to a third CQI table including modulation schemes up to 1024QAM, only the information on the CQI table selection indicating applicability of the third CQI table is transmitted.