Abstract: The disclosure relates to a method for contending for a time-frequency resource for sidelink communication. The method is performed by a terminal, and includes: determining a target time-frequency resource unit from n time-frequency resource units, and a contention resource group corresponding to the target time-frequency resource unit; sending a first contention signal on a first contention time-frequency resource unit in the contention resource group; and determining, based on a monitoring result on the contention resource group, whether contention for the target time-frequency resource unit is successful.

Abstract: A data transmission method, apparatus, device and system for direct communication are provided. The method includes that a first terminal sends, according to information sent by an access network device, sidelink data to a second terminal through a sidelink. The first terminal receives sidelink hybrid auto repeat request (HARQ) feedback information fed back by the second terminal, where the sidelink HARQ feedback information is configured to indicate a receiving state corresponding to the sidelink data. The first terminal reports the sidelink HARQ feedback information to the access network device.

Abstract: The present disclosure relates to a corpus processing method, a corpus processing apparatus and a storage medium. The corpus processing method can include obtaining a message input by a user, retrieving a reply message matching the message input by the user from a plurality of candidate corpora, in which the plurality of the candidate corpora includes candidate corpora obtained after removing a negative emotion corpus, and sending the reply message.

Abstract: Provided are a vehicle-to-everything synchronization method and device. The method is used for a first terminal, wherein the first terminal can simultaneously support first-type vehicle-to-everything direct communication and second-type vehicle-to-everything direct communication. The method includes: receiving at least one first synchronization signal, wherein the at least one first synchronization signal is a synchronization signal for the first-type vehicle-to-everything direct communication and/or the second-type vehicle-to-everything direct communication; determining a synchronization reference signal for the second-type vehicle-to-everything direct communication according to the first synchronization signal; and performing the second-type vehicle-to-everything direct communication according to the synchronization reference signal.

Abstract: A method for transmitting feedback information between Internet-of-Vehicles (IOV) devices includes: a second IOV device receives at least one of first user data and scheduling control information of the first user data from a first IOV device; a second resource location of the first user data is determined based on a first resource location of the first user data, the first resource location indicating at least one of a time-frequency location of corresponding user data and a time-frequency location of scheduling control information of the corresponding user data; and Hybrid Automatic Repeat Request (HARQ) feedback information of the first user data is sent to the first IOV device based on the second resource location of the first user data.

Abstract: Embodiments of the present invention provide a method for information transmitting, receiving and controlling, a transmitting device, a receiving device, and a base station. An information transmitting method according to an embodiment of the present invention is performed by the transmitting device, the transmitting device transmits information to a receiving device by using resource block in a resource pool which includes a plurality of resource blocks, and the information transmitting method includes: determining an information transmitting manner; transmitting scheduling information for one unicast transmission by using single resource block of the plurality of resource blocks when the information transmitting manner is unicast; transmitting scheduling information for one multicast or broadcast transmission by using a resource block pair of the plurality of resource blocks when the information transmitting manner is multicast or broadcast.

Abstract: A method, device, and system are provided for transmitting system information between Internet-of-Vehicle devices. The method includes a first Internet-of-Vehicle device sending a physical broadcast channel. The physical broadcast channel may include first system information. The first system information may include an extension indicator. The extension indicator may be configured to indicate whether there is second system information outside the physical broadcast channel. The method may also include a second Internet-of-vehicle device receiving the physical broadcast channel. The method may further include the second Internet-of-vehicle device receiving the second system information sent by the first Internet-of-vehicle device in response to the extension indicator indicating that the second system information is outside the physical broadcast channel.

Abstract: A control information sending method and a control information receiving method include: a transmitter determining a first frequency-domain bandwidth occupied by user data to be sent; the transmitter selecting, according to the first frequency-domain bandwidth, from n candidate frequency-domain bandwidths, a second frequency-domain bandwidth occupied by control information corresponding to the user data, wherein n is an integer greater than 1; the transmitter sending the control information to a receiver according to the second frequency-domain bandwidth; the receiver determining that the transmitter sends the n candidate frequency-domain bandwidths of the control information; and the receiver performing blind detection on the control information according to the n candidate frequency-domain bandwidths.

Abstract: Provided are a transmitting method, a receiving method, a relay device, a base station and a mobile station. According to embodiments of the present invention, the method for transmitting grant information performed by the relay device includes: receiving the grant information for inter-device transmission and a transmitting device identification and a receiving device identification corresponding to the grant information; generating first control information according to the grant information, the transmitting device identification and the receiving device identification; and transmitting the first control information.

Abstract: Aspects of this disclosure can provide a method for transmitting feedback information between Internet of Vehicles devices. The method can include that a first Internet of Vehicles device sends first user data to a second Internet of Vehicles device, the first Internet of Vehicles device and the second Internet of Vehicles device respectively determine a feedback time window of the first user data according to a transmission end time of the first user data. Further, the second Internet of Vehicles device can send hybrid automatic repeat request (HARQ) feedback information of the first user data to the first Internet of Vehicles device in the feedback time window of the first user data. The first Internet of Vehicles device receives the HARQ feedback information in the feedback time window of the first user data.

Abstract: The present disclosure relates to a method and an apparatus for transmitting an uplink message. When a first PUCCH message and a second PUCCH message are to be simultaneously transmitted over at least one first time unit, one of the PUCCH message and the second PUCCH message is transmitted and the other one is dropped. The first PUCCH message is a PUCCH message repeatedly transmitted over a plurality of second time units, the second PUCCH message is a PUCCH message transmitted over one second time unit or a PUCCH message transmitted over a plurality of second time units, and the second time unit includes a plurality of first time units.

Abstract: A terminal is disclosed that includes a receiver that receives sidelink control information and data in sidelink and a transmitter that transmits a feedback signal corresponding to the data on a sidelink feedback channel. The transmitter determines a resource for transmitting the feedback signal based on a correspondence between a resource of the data and a resource for feedback. In other aspects, a base station, systems, and feedback methods are also disclosed.

Abstract: Aspects of the disclosure can provide a parameter set acquisition method and device. The method can include acquiring a target parameter set corresponding to information to be transmitted. The information to be transmitted can have at least one of the following information types: synchronization signal, direct link broadcast information, physical layer control information or user data. The method can further include using the target parameter set to transmit the information to be transmitted.

Abstract: A terminal is disclosed including a processor that detects, based on a result of sensing in a time window for sensing, one or more resources capable of transmitting a physical sidelink shared channel (PSSCH) signal in a time window for resource selection, wherein the processor selects a resource for transmitting the PSSCH signal from the one or more detected resources; and a transmitter that transmits the PSSCH signal using the selected resource for transmitting the PSSCH signal. The processor autonomously determines a start timing and an end timing of the time window for resource selection from preset timing candidates. An end timing of the time window for sensing is right before the start timing of the time window for resource selection.

Abstract: A terminal is disclosed that includes a receiver that receives a first downlink control information for scheduling a physical uplink shared channel (PUSCH) transmission, and a second downlink control information for notifying a time region and a frequency region in which the PUSCH is not to be transmitted. The terminal further includes a processor that supports reception of the second downlink control information in a slot that is shorter than a slot for transmitting the PUSCH. In other aspects, a radio communication method and a base station are also disclosed.

Abstract: There is provided user equipment that supports D2D communication and cellular communication, the user equipment including a receiver that receives a radio parameter for the D2D communication corresponding to radio quality of a downlink signal transmitted from a base station or a propagation delay between the base station and the user equipment; and a communication unit that performs the D2D communication using the received radio parameter for the D2D communication corresponding to the radio quality or the propagation delay.

Abstract: A user equipment apparatus for performing user equipment-to-user equipment communication includes a synchronization signal detection unit configured to detect a user equipment-to-user equipment synchronization signal transmitted from a user equipment apparatus in another cell or another carrier; a control unit configured to set reception timing based on the user equipment-to-user equipment synchronization signal; and a reception unit configured to receive scheduling information or a discovery signal transmitted from the user equipment apparatus in the other cell or the other carrier within a time window defined based on the user equipment-to-user equipment synchronization signal.

Abstract: A user apparatus for use in a mobile communication system that supports D2D communication, including: a signal transmission unit configured to transmit a plurality of D2D signals; and a resource selection unit configured to select, from a predetermined resource pool, a radio resource having a time resource and a frequency resource for transmitting the plurality of D2D signals, wherein the resource selection unit is configured to select the radio resource such that the plurality of D2D signals are not transmitted by a same time resource.

Abstract: Aspects of the disclosure provide a method for multiplexing transmission of information and apparatus, a method for receiving information and apparatus, user equipment (UE), a base station and a computer-readable storage medium. The method for multiplexing transmission of information can include, when a physical uplink control channel (PUCCH) and a plurality of physical uplink shared channels (PUSCHs) have an overlapping portion in a time-domain, selecting, according to a selection criterion, a PUSCH for multiplexing transmission of uplink control information (UCI) carried in the PUCCH. The method can further include using the selected PUSCH for the multiplexing transmission of the UCI and transmission content of the selected PUSCH. According to the embodiments of the present disclosure, when the PUCCH and the plurality of PUSCHs have an overlapping portion in the time-domain, a suitable PUSCH can be selected for the multiplexing transmission.

Abstract: There is provided user equipment that selects a resource for transmitting a signal based on a sensing result. The user equipment includes a detection unit that detects, by performing sensing in a time window for sensing, one or more resources capable of transmitting a signal in a time window for resource selection after the time window for sensing; a selection unit that selects a resource for transmitting a signal from the one or more detected resources; and a transmission unit that transmits the signal using the selected resource for transmitting the signal.