Abstract: Provided is a communication apparatus (200) including: an acquisition unit (241) that acquires, from a base station apparatus (100), information for operating as a master for controlling a sidelink communication between other apparatuses; and a control unit (240) that performs a process for operating as the master on the basis of the information acquired by the acquisition unit.

Abstract: A method of operating a communications device comprises determining that the communications device can transmit data via communications resources of an unlicensed channel of a wireless access interface, which is shared in time with at least one of an infrastructure equipment of a wireless communications network and one or more other communications devices which can also transmit in the unlicensed channel. The transmission of the data by the communications device is arranged in time according to a fixed frame period (FFP) including a channel occupancy time (COT) for transmitting the data and an idle period. The communications device can transmit the data on the unlicensed channel by detecting that none of the infrastructure equipment and the one or more other communications devices are transmitting on the unlicensed channel as part of a contentious channel access phase.

Abstract: To provide a wireless communication device which enables reliable detection of a downlink without using a CRS. There is provided a wireless communication device including a communication unit (220) configured to perform wireless communication using an unlicensed band, and a detecting unit (241) configured to detect a downlink on the basis of a second downlink signal different from a first downlink signal which is periodically transmitted, in which the detecting unit starts PDCCH monitoring after detecting a downlink.

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: Provided is a communication apparatus that includes a control unit that performs control such that a plurality of reference signals associated with pieces of antenna information different from each other is transmitted to a terminal apparatus, and an acquisition unit that acquires control information corresponding to at least any one of the plurality of reference signals from the terminal apparatus after a random access response in a random access procedure is transmitted to the terminal apparatus. The control unit controls following communication with the terminal apparatus on the basis of the antenna information corresponding to the acquired control information.

Abstract: A method for communicating in a mobile communications network, the network comprising a network equipment configured to provide a wireless interface to communicate with at least a terminal. The method comprises receiving, at the terminal, a grant message scheduling a plurality of downlink resource sets; determining, based on the grant message, that intermediate acknowledgement feedback is to be notified to the base station; making an intermediate attempt to decode the downlink data transmission; and transmitting an indication of the intermediate acknowledgement feedback corresponding to the intermediate attempt to decode the downlink data transmission.

Abstract: A method of transmitting acknowledgement information, includes receiving from an infrastructure equipment of a wireless communications network an indication of a plurality of instances of downlink communications resources associated with a semi-persistent resource allocation, the plurality of instances of downlink communications resources allocated for the transmission of data by the infrastructure equipment to the communications device via a wireless access interface, determining that one or more uplink communication resources allocated for the transmission of a portion of acknowledgement information indicating an acknowledgement status of a respective instance of the downlink communication resources is invalid and cannot be used for the transmission of the acknowledgement information, selecting, from a plurality of outstanding portions of acknowledgement information which have not been transmitted, a subset of portions of acknowledgement information, and transmitting to the infrastructure equipment the sele

Abstract: A method includes determining an operating mode of a first terminal of the one or more terminals; selecting, based on the operating mode, a first frame configuration from a plurality of frame configurations for the first terminal, each of the plurality of frame configurations configuring one or more of: an offset parameter determining the start of a frame, a Channel Occupancy Time “COT” duration in a frame, an idle duration in a frame, a frame duration, a frame period and a gap duration between two subsequent frames; and communicating between the first terminal and the base station and via the first frequency band, using contention-based access and based on the first frame configuration.

Abstract: An object of the present invention is to enable flexible design depending on use cases and to further improve the transmission efficiency of the entire system. A communication device includes: an acquisition unit configured to acquire first control information and second control information relating to a plurality of resources specified by a frequency and time available for data transmission; and a control unit configured to perform control in such a manner that data is transmitted to a transmission target after a resource is arbitrarily selected from the plurality of resources on the basis of the first control information, in which the control unit controls selection of the resource from among the plurality of resources on a basis of the second control information.

Abstract: Provided is a mechanism which is capable of improving wireless link quality regarding transmission from a terminal device on the ground to a non-ground station device. A terminal device including a control unit configured to acquire information regarding a type of a base station device and control a transmission timing of a signal to the base station device on the basis of the information regarding the type of the base station device.

Abstract: A reception unit that receives a timing advance value used for adjusting timing of uplink transmission and correction information for correcting the timing advance value; a determination unit that determines whether or not a predetermined condition regarding application of a correction value that is the timing advance value corrected based on the correction information is satisfied; and a transmission unit that performs, when the predetermined condition is satisfied, uplink transmission other than transmission of a first message in a random access procedure based on the correction value even when a TAT (Time Alignment Timer) that starts in response to reception of the timing advance value does not operate are included.

Abstract: A method includes operating in accordance with a configured grant, CG, mode of operation, the CG mode of operation comprising determining a sequence of instances of uplink communications resources of the wireless access interface and transmitting signals to the wireless communications network in at least one instance of the sequence of instances of uplink communications resources of the wireless access interface, transmitting uplink data to the wireless communications network in two or more instances of the sequence of instances of uplink communications resources of the wireless access interface as a plurality of repetitions of the uplink data, and transmitting one or more of a plurality of versions of uplink control information, CG-UCI, to the wireless communications network, each version of CG-UCI being associated with a plurality of instances of the sequence of instances of uplink communications resources of the wireless access interface.

Abstract: A method of receiving data at a communications device from a wireless communications network is provided. The method comprises receiving downlink control information indicating an allocation of downlink communications resources of a wireless access interface provided by the wireless communications network for receiving downlink data, the downlink control information also providing an indication of a relative priority associated with the received downlink data, and receiving the downlink data from the allocated downlink communications resources.

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: A control unit receives at least one of a plurality of synchronization signals transmitted after undergoing beam sweeping via a wireless communication unit. The beam sweeping includes each of the plurality of synchronization signals forming a different beam and transmitted from the base station during a predetermined period of time. The control unit determines, from a plurality of pieces of beam sweeping configuration information, one piece of the configuration information based on priority between a plurality of types of beam sweeping and receives the synchronization signal or report the received synchronization signal to the base station using the one piece of the configuration information determined based on the priority. The number of the synchronization signals transmitted during a predetermined period of time varies among the plurality of pieces of beam sweeping configuration information.

Abstract: A terminal device including a control unit that transmits 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: Provided is a mechanism which is capable of improving wireless link quality regarding transmission from a terminal device on the ground to a non-ground station device. A terminal device including a control unit configured to acquire information regarding a type of a base station device and control a transmission timing of a signal to the base station device on the basis of the information regarding the type of the base station device.

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: Provided are a communication device and a communication method that perform direct communication between terminals. A communication device that operates as a terminal under control of a base station, includes: a communication unit that transmits and receives wireless signals; and a control unit that controls transmission of data using a predetermined resource pool by the communication unit. The control unit determines implementation of relay communication for a packet within the predetermined resource pool on the basis of at least one of information received from the base station, information received from another terminal, or information obtained from the terminal itself, during packet reception, and performs the relay communication by using a resource secured by a transmission source terminal, the terminal itself, or the base station.

Abstract: A method for acknowledging transmissions in a telecommunications network comprising a network node arranged to communicate with a mobile device via a wireless interface.