Abstract: A transmission device of the present disclosure performs sidelink communication with a reception device using a shared spectrum. The transmission device includes a control unit. The control unit transmits at least one of a PSCCH (Physical Sidelink Control Channel) and a PSSCH (Physical Sidelink Shared Channel) to the reception device using a predetermined sidelink resource within a COT (Channel Occupancy Time) acquired by a predetermined COT acquisition device. The predetermined COT acquisition device is any one of a base station, the transmission device, the reception device, and a communication device.

Abstract: A wireless telecommunications apparatus for use in a wireless telecommunications network is provided. The wireless telecommunications apparatus comprises communication circuitry configured to transmit or receive a wireless signal over a sidelink interface using one or more unlicensed resources; and control circuitry configured to determine whether there is a preference not to use the one or more unlicensed resources, and if there is a preference not to use the one or more unlicensed resources, control the communication circuitry to transmit a signal to the wireless telecommunications network indicating the preference not to use the one or more unlicensed resources.

Abstract: The present technology relates to a wireless communication device, a wireless communication method, and a program, in which communication collisions with different communication systems can be reduced. The wireless communication device acquires information regarding a communication resource usable by the wireless communication device, the information being determined on the basis of transmission information transmitted from another first wireless communication device of another bidirectional second communication system different from a first communication system of the wireless communication device. The present technology can be applied to a wireless communication system including two different bidirectional communication systems.

Abstract: There is provided an information processing device that distributes live data to a first user (terminal device 301), the information processing device performing control related to interaction data from the first user on the basis of information of a delay between the first user that transmits the interaction data with respect to the live data and the information processing device, or a delay between a second user (terminal device 302) that receives the interaction data from the first user with respect to the live data and the first user.

Abstract: 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: 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: Provided are a transmission device, a reception device, a transmission method, and a reception method capable of improving accuracy of an encoder configured by an AI/ML model on a transmission side. A terminal device includes an encoder configured by an AI/ML model, encodes RAW data by the encoder, acquires encoded data, and transmits the encoded data and the RAW data to a base station. The base station includes a decoder configured by an AI/ML model, receives encoded data and RAW data from the terminal device, decodes the encoded data by the decoder to acquire decoded data, and verifies whether or not the encoded data is correctly encoded on the basis of a comparison between the RAW data and the decoded data.

Abstract: A terminal device including a control unit that transmits transmission report information after transmitting a first packet on a sidelink. The transmission report information includes information indicating time and a frequency of a resource used to transmit the first packet.

Abstract: A terminal device is capable of communicating with a plurality of communication devices having at least one antenna port, and includes a transceiver and a processor. The processor acquires first antenna port set information that includes a plurality of first antenna ports associated with at least two different QCLs and second antenna port set information that includes a plurality of second antenna ports associated with at least two different QCLs, and transmits or receives at least one of a signal or a channel on the basis of one of the plurality of first antenna ports included in the first antenna port set information or the plurality of second antenna ports included in the second antenna port set information.

Abstract: A communication method includes performing sidelink communication with a first communication device. The communication method includes monitoring whether pre-emption information regarding pre-emption has been transmitted from a second communication device at a predetermined timing when transmitting data to a first communication device. The communication method includes stopping transmission of data to the first communication device if pre-emption information is received.

Abstract: Feedback of a plurality of pieces of SL-HARQ-ACK in sidelink communication is controlled. A communication device (terminal device 2) includes a reception unit (205), a transmission unit (207), and a control unit (203). The reception unit (205) receives a sidelink shared channel for sidelink communication that is device-to-device communication. The transmission unit (207) transmits a first sidelink feedback channel and a second sidelink feedback channel for transmitting response information of the sidelink shared channel. The control unit (203) performs control to select the first sidelink feedback channel and the second sidelink feedback channel, and to cause the transmission unit to transmit the selected result.

Abstract: A communications device operates to receive data from a wireless communications network. The communications device receives one or more downlink control messages providing indicating a first downlink communications resource of a wireless access interface provided by the wireless communications network from which the communications device can receive first downlink data, and indicating a second downlink communications resource of the wireless access interface from which the communications device can receive second downlink data, and indicating one or more uplink communications resources of the wireless access interface for the communications device to transmit one or more Hybrid Automatic Repeat Request-type (HARQ) feedback messages for indicating whether or not the first and second downlink data is received.

Abstract: A method for receiving data by a communications device data from a wireless communications network, the method comprising: receiving a downlink control message transmitted in first downlink communications resources of a wireless access interface provided by the wireless communications network, the downlink control information providing an indication of second downlink communications resources from which the communications device can receive downlink data, decoding the downlink control message to identify the second downlink communications resources for receiving the downlink data, and receiving the downlink data from the second downlink communications resources, wherein the first and the second downlink communications resources are within a time period of the wireless access interface which ends at a pre-configured end time, the pre-configured end time being before the downlink control message is decoded.

Abstract: A communications device for transmitting data to a wireless communications network transmits a random access preamble and uplink data in an uplink shared physical channel associated with the preamble according to a 2-step random access procedure. The association between the preamble and the uplink shared channel is known to the wireless communications network. The communications device detects, in response to transmitting the preamble and the uplink data, a random access response message providing timing advance information and uplink grant of resources of the uplink shared channel according to a 4-step random access procedure. In response to detecting the random access response message, the communications device transmits uplink data in the uplink resources granted in the random access response message according to a 4-step random access procedure, as if the communications device continued with a 4-step RACH procedure having started with a 2-step RACH procedure.

Abstract: A terminal device includes: a higher layer processing unit configured to set at least one first RAT and at least one second RAT by signaling of a higher layer from the base station device; and a receiving unit configured to receive a transmission signal in the first RAT and a transmission signal in the second RAT. The transmission signal in the first RAT is mapped to a resource element configured on a basis of one physical parameter for each sub frame. The transmission signal in the second RAT is mapped to a resource element configured on a basis of one or more physical parameters for each sub frame and is mapped to a resource element configured on a basis of one physical parameter in a predetermined resource included in each of the sub frames.

Abstract: A terminal device that communicates with a base station device includes: a higher layer processing unit configured to set an STTI channel setting through signaling of a higher layer from the base station device; and a receiving unit configured to receive a first PDSCH in a case in which the STTI channel setting is not set and receive a second PDSCH in a case in which the STTI channel setting is set. The first PDCCH is mapped to one or more resource blocks, the second PDCCH is mapped to one or more sub resource blocks, and the second PDSCH is demodulated using a reference signal mapped to a symbol including the sub resource block or a resource element before the symbol.

Abstract: A base station includes a controller that notifies a terminal device of first information regarding a signal waveform to be used in downlink communication in an initial connection procedure performed with the terminal device among a first signal waveform and a second signal waveform and perform the downlink communication with the signal waveform to be used based on the first information.

Abstract: A communication device includes a communication unit and a control unit. The communication unit receives, from a base station, scheduling information related to a sidelink resource used for sidelink communication with another communication device. The control unit performs the sidelink communication with another communication device by using the sidelink resource. In a case where receiving cancellation information for canceling the use of the sidelink resource, the control unit cancels the sidelink communication using the sidelink resource based on the cancellation information.

Abstract: A communication device includes a communication control unit that performs sidelink communication on an unlicensed channel within a channel occupancy time of the unlicensed channel, a setting unit that sets a resource pool to be used for the sidelink communication, and a determination unit that determines a resource to be used for the sidelink communication from the set resource pool.

Abstract: A method includes receiving one or more first downlink data blocks and one or more second downlink data blocks, for each of the one or more first downlink data blocks and one or more second downlink data blocks determining an acknowledgement status, the acknowledgement status indicating whether the downlink data block was correctly received or not received correctly (ACK/NACK), receiving an indication of first uplink communications resources allocated for transmitting first acknowledgement information including the acknowledgement status for the one or more first downlink data blocks, determining that the first uplink communications resources are allocated for the transmission of acknowledgement information generated in accordance with a first codebook, the first codebook for generating acknowledgement information associated with the one or more first downlink data blocks, and receiving an indication of second uplink communications resources allocated for transmitting second acknowledgement information includ