Abstract: A data transmission method and an apparatus are provided. In the provided method and apparatus, a terminal can properly discard a part of to-be-transmitted data and notify a base station, to improve resource utilization in a transmission process of XR data.

Abstract: A communication method and apparatus are provided, where the method includes: determining, by a first device according to a first preset rule, a first resource in at least two preset resources corresponding to a same gap before a first paging occasion PO; and monitoring, by the first device, at least one wake-up signal sequence on the first resource. According to the foregoing method, the first resource used by the first device for monitoring the wake-up signal sequence is determined according to the first preset rule.

Abstract: An information transmission method and a communication apparatus, where method may include: A first terminal apparatus obtains a channel occupancy time (COT); and the first terminal apparatus sends COT indication information to a second terminal apparatus, where the COT indication information indicates a resource that is in the COT and that is to be used by the second terminal apparatus to send information.

Abstract: This application has disclosed a method for sending and transmission of a resource conflict indication and a communication apparatus. When determining that a reserved resource indicated by first SCI conflicts with a reserved resource indicated by second SCI, a first terminal device sends an RCI to a second terminal device at a determined time domain and/or frequency domain position before a conflict position; or when determining that a resource corresponding to first SCI conflicts with a resource corresponding to second SCI, a first terminal device sends an RCI to a second terminal device at a determined time domain and/or frequency domain position after a conflict position. The RCI is sent at the determined time domain and/or frequency domain position, so that reliability of RCI transmission is improved.

Abstract: This application provides communication methods and apparatuses. An example method includes determining a first frequency domain resource set in a first time unit, determining a transmit power for a first message based on a maximum transmit power of a first device and a first parameter, and sending the first message in the first time unit based on the transmit power for the first message. The transmit power for the first message does not exceed a difference between the maximum transmit power of the first device and the first parameter. The first frequency domain resource set includes a frequency domain resource of a synchronization signal used for synchronization. The first frequency domain resource set is included in M frequency domain resource sets that carry the first message.

Abstract: A multi-modal service data transmission method and apparatus are provided. The multi-modal service data transmission method includes: receiving first indication information; determining a first resource and a second resource based on the first indication information; receiving first data on the first resource; and receiving second data on the second resource. The first resource and the second resource are located in a same resource block (RB). The first resource includes at least two subcarriers that are spaced in frequency domain, and/or the second resource includes at least two subcarriers that are spaced in frequency domain. According to the foregoing method, data transmission reliability can be improved.

Abstract: A resource indication method and an apparatus are provided, and are applicable to the field of V2X, intelligent driving, the internet of vehicles, assisted driving, autonomous driving, and the like. In an example method, one resource block set includes NsubCH sub-channels, and one sub-channel includes k interlaced resources. A first terminal device receives first indication information from a second terminal device, where the first indication information indicates L sub-channels included in a first resource, and L is an integer greater than o. The first terminal device determines, based on the L sub-channels, at least one interlaced resource included in the first resource, where the at least one interlaced resource and the L sub-channels meet a mapping relationship.

Abstract: A resource indication method and a communication apparatus are provided. The method includes: A network device sends first information, where the first information indicates to report a used or an unused resource in a configured grant (CG) resource in a CG period; a terminal device obtains the first information, and sends second information based on the first information, where the second information indicates the used or unused resource in the CG resource; and the network device obtains the second information, to obtain the used or unused resource in the CG resource. The network device indicates the terminal device to report the used or unused resource and determines the used or unused resource based on information reported by the terminal device.

Abstract: A data transmission method and apparatus are applicable to fields such as V2X, intelligent driving, and connected vehicles. A probability of a collision between a high-priority PSSCH and a low-priority PSSCH is reduced, thereby improving QoS of the high-priority PSSCH. The method includes: obtaining resource pool configuration information including first resource pool information and second resource pool information, where the first resource pool information indicates a first resource pool, and the second resource pool information indicates a second resource pool; obtaining a first priority value corresponding to a physical sidelink shared channel PSSCH; when the first priority value is less than a first priority threshold, determining, in a partial-sensing-selection-based resource determination mechanism and/or a random-selection-based resource determination mechanism in the first resource pool, a resource for sending the PSSCH.

Abstract: A resource determining method includes that a first terminal obtains transmission information from a second terminal, wherein the transmission information is used to indicate a first sidelink resource. The first terminal determines a second sidelink resource according to the transmission information, wherein a time range of the second sidelink resource does not overlap that of the first sidelink resource. The first terminal sends a first data to the second terminal on a sidelink resource of the second sidelink resource, wherein the first sidelink resource includes a sidelink resource on which a second data is received by the second terminal.

Abstract: This application has disclosed a method for sending and transmission of a resource conflict indication and a communication apparatus. When determining that a reserved resource indicated by first SCI conflicts with a reserved resource indicated by second SCI, a first terminal device sends an RCI to a second terminal device at a determined time domain and/or frequency domain position before a conflict position; or when determining that a resource corresponding to first SCI conflicts with a resource corresponding to second SCI, a first terminal device sends an RCI to a second terminal device at a determined time domain and/or frequency domain position after a conflict position. The RCI is sent at the determined time domain and/or frequency domain position.

Abstract: An information transmission method and an apparatus are provided. The method includes: determining, based on a first parameter, a first resource for transmitting first control information, where the first control information indicates that a physical uplink shared channel resource is to be used or not used in a configured grant period, and the first parameter includes a number of bits of the first control information, or the first parameter includes a number of bits of the first control information and a second resource for transmitting second control information; and transmitting the first control information on the first resource. The second control information includes at least one of first information and channel state information CSI, and the first information includes at least one of hybrid automatic repeat request HARQ and configured grant uplink control information CG-UCI.

Abstract: A configured grant-based communication method and apparatus are provided. The method includes: An access network device sends configuration information to a terminal, where the configuration information is used to configure a first configured grant (CG) transmission occasion that carries indication information and a first time period in which the indication information functions; and the terminal then sends the indication information on the first transmission occasion based on the configuration information, where the indication information indicates a used or unused CG transmission occasion in the first time period.

Abstract: A data transmission method includes determining a first hybrid automatic repeat request (HARQ) process, sending first indication information on a first configured grant (CG) transmission occasion in a first time period, and sending uplink data on the second CG transmission occasion based on the first HARQ process. An identifier of the first HARQ process is associated with a number of CG transmission occasions used or skipped in the first time period and an index of a second CG transmission occasion in a second time period. The first indication information is useable to indicate the number of CG transmission occasions used or skipped in the first time period.

Abstract: An information transmission method and an apparatus. First configuration information used to configure a reporting periodicity of first indication information is obtained. The first indication information is sent on at least one configured grant (configured grant, CG) transmission occasion within a CG period based on the reporting periodicity. The first indication information indicates a CG transmission occasion that is unused within the CG period or a CG transmission occasion that is used within the CG period.

Abstract: A collision handling method and apparatus are provided. The method includes: A terminal device determines that PUR SS collides with Paging CSS; and the terminal device determines, based on a status of uplink data transmission in PUR associated with the PUR SS and/or a discontinuous reception DRX configuration status of the terminal device, to preferentially monitor the PUR SS or to preferentially monitor the Paging CSS. In the foregoing method, the terminal device determines, based on an actual situation, whether to preferentially monitor the PUR SS or preferentially monitor the paging CSS, so that when the terminal device needs to preferentially monitor the PUR SS, the terminal device can receive a feedback of a network device for PUR transmission in time, and when the terminal device needs to preferentially monitor the Paging CSS, it can be ensured that the terminal device can receive a paging message in time.

Abstract: A communication method and apparatus are provided, where the method includes: determining, by a first device according to a first preset rule, a first resource in at least two preset resources corresponding to a same gap before a first paging occasion PO; and monitoring, by the first device, at least one wake-up signal sequence on the first resource. According to the foregoing method, the first resource used by the first device for monitoring the wake-up signal sequence is determined according to the first preset rule.

Abstract: A collision handling method and apparatus are provided. The method includes: a terminal device determines that PUR SS collides with Paging CSS; and the terminal device determines, based on a status of uplink data transmission in PUR associated with the PUR SS and/or a discontinuous reception DRX configuration status of the terminal device, to preferentially monitor the PUR SS or to preferentially monitor the Paging CSS. In the foregoing method, the terminal device determines, based on an actual situation, whether to preferentially monitor the PUR SS or preferentially monitor the paging CSS, so that when the terminal device is to preferentially monitor the PUR SS, the terminal device can receive a feedback of a network device for PUR transmission in time, and when the terminal device i to preferentially monitor the Paging CSS, it can be ensured that the terminal device can receive a paging message in time.

Abstract: Embodiments of this application provide a communication method and device. The method includes: A first device determines first control information, where the first control information includes a first field and a second field, the first field indicates that the first control information comprises resource reconfiguration information, and the second field indicates that a second device does not need to monitor a first search space, wherein the first search space is used to transmit second control information and the second control information is used to schedule data. The first device sends the first control information to a second device.

Abstract: Embodiments of this application provide a communication method and device. The method includes: A first device determines first control information, where the first control information includes a first field and a second field, the first field is a resource block assignment field and all bits in the first field are set to 1, and the second field indicates that the first control information includes reconfiguration information of a pre-configured resource and whether transmission on the pre-configured resource is successful, wherein the first control information enables a second device not to monitor a second search space, the second search space is used to transmit third control information and the third control information is used to schedule data. The first device sends the first control information to the second device.