Abstract: Provided are a communication apparatus that is operated under a wireless communication environment to which a full duplex communication scheme is applied and a communication method. The communication apparatus includes a communication section that performs wireless communication and a control section that controls operation of the communication section and processing of a signal transmitted and received by the communication section. Upon receiving, through a downlink control channel from a base station, designation regarding a resource in which interference is to be measured, the control section conducts, in the designated resource, measurement of interference from another terminal. In addition, the control section further controls transmission of interference information obtained by the measurement to the base station.

Abstract: A terminal communicating with a base station by using an FDD cell and a TDD cell includes a reception unit that performs reception over a PDCCH transmitted using a DCI format. In a case where the TDD cell is configured as a primary cell for the terminal, a first uplink reference UL-DL configuration used for determining an interval between reception of the PDCCH indicating transmission of a PUSCH and the transmission of the PUSCH is configured for the TDD cell, and a second uplink reference UL-DL configuration used for determining whether or not to use DAI included in the DCI format of the PDCCH indicating the transmission of the PUSCH is configured for the FDD cell.

Abstract: Provided is a communication apparatus that flexibly switches execution/non-execution of FD. The communication apparatus includes the followings: a resource allocation unit that allocates, to another communication apparatus, reception radio resources in a predetermined frequency channel and allocates transmission radio resources at least partially overlapping the reception radio resources on a time axis; and a notification unit that notifies the other communication apparatus of information regarding the reception radio resources and the transmission radio resources. The resource allocation unit further allocates transmission radio resources at least partially overlapping the reception radio resources on a frequency axis.

Abstract: [Problem] A communication device is provided that further improves the quality between radio links, in a communication system in which a base station apparatus communicates with a communication device. [Solution] A communication device is provided that includes a reception unit that receives system information including a set of identities indicating virtual cells, and a setting unit that selects a virtual cell identity to be applied, from the set.

Abstract: [Object] To realize handover in relay communication using a relay terminal in a more satisfactory manner. [Solution] A communication device including: a communication unit configured to perform wireless communication; and a control unit configured to acquire information regarding a communication quality of one or more radio links including at least one of a direct first radio link or a second radio link via a relay terminal, which is configured to be movable, between a remote terminal and a base station, and to switch the radio link to be used in communication between the remote terminal and the base station on the basis of the acquired information regarding the communication quality.

Abstract: A communication device includes: a communication unit configured to perform wireless communication; and a control unit configured to allocate respective resources for communication with a plurality of terminal devices in which at least any of bandwidths or central frequencies of channels to be used is different. The control unit allocates a first control channel to be commonly transmitted to the plurality of terminal devices to a first region overlapping between the respective channels of the plurality of terminal devices in a region in which the resources are allocated. The control unit allocates a second control channel to be individually transmitted to each of the plurality of terminal devices to a second region different from the first region.

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 wireless communication device is provided which allows proper management of location information for a terminal moving in the air to reduce the power consumption of the terminal and to prevent the terminal from affecting communication. A wireless communication device is provided which includes a determination unit that determines whether the device is a device moving on the ground or a device moving in the air, a neighboring cell determination unit that determines whether or not identification information of a paging area acquired through common information transmitted from a base station is the same as identification information of a paging area for which an update was performed last time when the determination unit determines that the device is moving in the air, and a control unit that determines presence or absence of need for a paging area update on the basis of a condition for initiating a paging area update when the determination unit determines that the device is moving in the air.

Abstract: To provide a communication device capable of further improving the quality between wireless links in a communication system in which a base station device and a communication device communicate with each other. Provided is a communication device configured to be capable of floating in the air, the communication device including a control unit that receives information regarding interference with a first communication device from a second communication device, the first communication device being not a communication partner, the second communication device being the communication partner, and controls transmission on the basis of the information regarding the interference and of an altitude of the communication device.

Abstract: [Object] To enable further improving whole system transmission efficiency in a communication system in which the base station device and the terminal device communicate. [Solution] A terminal device includes: a communication unit configured to perform wireless communication; and a control unit configured to allocate power for communication between a first serving cell and a second serving cell with different sub frame lengths. The control unit calculates transmission power of a first uplink physical channel occurring in the first serving cell in a first time unit, and calculates transmission power of a second uplink physical channel occurring in the second serving cell in a second time unit.

Abstract: A terminal device includes: a control unit configured to set one or more second TTI settings in accordance with control information from the base station device; and a receiving unit configured to monitor a first PDCCH corresponding to a first TTI and a second PDCCH corresponding to a second TTI of a time length shorter than the first TTI and receive a second PDSCH mapped to the second TTI in a case in which the second TTI settings are set, and monitor the first PDCCH and receive a first PDSCH mapped to the first TTI in a case in which the second TTI settings are not set.

Abstract: [Object] To enable multiplexing configurations of a plurality of uplink control channels in a preferred mode in a communication system in which a base station device and a terminal device communicate with each other. [Solution] A communication device includes: a communication unit configured to perform wireless communication; and a control unit configured to selectively switch between a first physical channel and a second physical channel in which both conditions of the number of symbols and the number of resource blocks are different from each other and which are allocated during a predetermined period in a time direction to transmit control information to a base station.

Abstract: [Problem] A wireless communication device is provided that is capable of improving transmission efficiency of the entire system. [Solution] A wireless communication device is provided that includes: a communication unit configured to transmit and receive a signal by wireless communication; and a control unit configured to control use of a resource used for the wireless communication by the communication unit, wherein a part of a resource used to transmit a signal by wireless communication with a first terminal device is used as a resource used to transmit another signal different from the signal exclusively or using by non-orthogonal multiplexing, and the resource used to transmit the another signal has at least a first channel for data. The control unit controls whether the first channel in the resource used to transmit the another signal is used exclusively or used using by non-orthogonal multiplexing.

Abstract: [Problem] A mechanism is provided that enables a plurality of communication devices to use radio resources more efficiently. [Solution] A terminal device including: a control unit configured to transmit first resource information, which indicates a radio resource available to another communication device among radio resources of which access rights are acquired by performing carrier sense, on an uplink or a sidelink.

Abstract: To efficiently control a cell using an allocated frequency band, a non-allocated frequency band, or a shared frequency band. A terminal device for communicating with a base station device includes a reception unit configured to receive higher layer signaling including a DS configuration for a frequency and information indicating whether a partial subframe is configured for a cell corresponding to the frequency. The reception unit is configured to assume that the DS is not to be transmitted in the partial subframe, in a case that the DS configuration includes a CSI-RS configuration and that transmission of the DS overlaps transmission of a PDSCH and/or an EPDCCH in the partial subframe, and to measure a reference signal received power and reference signal reception quality.

Abstract: Provided is a terminal communicating with a base station, in which in a case where a physical downlink control channel is monitored in a first physical downlink control channel-physical resource block set, the physical downlink control channel is decoded in such a manner that the physical downlink control channel is rate-matched based on a prescribed reference signal, and in which, in a case where the physical downlink control channel is monitored in a second physical downlink control channel-physical resource block set, the physical downlink control channel is decoded in such a manner that the physical downlink control channel is rate-matched based on a reference signal that is set individually for each terminal.

Abstract: To provide a mechanism in which a plurality of base station devices operated by different operators, respectively, can share a radio resource while cooperating with each other. A base station device includes: a control unit that transmits, to another base station device operated by an operator different from an operator operating the base station device, first configuration information of a first guaranteed resource that is preferentially usable by the base station device among radio resources that are sharable between the operator operating the base station device and the operator operating the other base station device.

Abstract: [Object] To realize handover in relay communication using a relay terminal in a more satisfactory manner. [Solution] A communication device including: a communication unit configured to perform wireless communication; and a control unit configured to acquire information regarding a communication quality of one or more radio links including at least one of a direct first radio link or a second radio link via a relay terminal, which is configured to be movable, between a remote terminal and a base station, and to switch the radio link to be used in communication between the remote terminal and the base station on the basis of the acquired information regarding the communication quality.

Abstract: There is provided a terminal device that communicates with a base station apparatus. The device includes: a higher layer processing unit that configures a discovery signal which includes cell-specific reference signals present in DwPTSs of all downlink subframes and all special subframes, a first synchronization signal present in a prescribed subframe, a second synchronization signal present in a first subframe, and one or more non-zero power CSI reference signals during a period of continuous subframes in a predetermined cell; and a reception unit that receives the discovery signal. A subframe offset between the second synchronization signal and the non-zero power CSI reference signal is independently configured for each of the non-zero power CSI reference signals.

Abstract: [Object] To improve the transmission efficiency of the entire system. [Solution] A terminal device includes: a control unit configured to set one or more second TTI settings in accordance with control information from the base station device; and a receiving unit configured to monitor a first PDCCH corresponding to a first TTI and a second PDCCH corresponding to a second TTI of a time length shorter than the first TTI and receive a second PDSCH mapped to the second TTI in a case in which the second TTI settings are set and monitor the first PDCCH and receive a first PDSCH mapped to the first TTI in a case in which the second TTI settings are not set.