Abstract: A communication method includes determining a reserved carrier in a bandwidth part (BWP) based on a tone reservation (TR) pattern and a first correspondence. The TR pattern includes a set of subcarriers used as reserved carriers. The first correspondence is a correspondence between an index that is of a subcarrier in the TR pattern and that is in the TR pattern and an index that is of the subcarrier in the TR pattern and that is based on a first common resource block (CRB). The communication method further includes outputting a time domain signal based on the reserved carrier in the BWP.

Abstract: The disclosure includes a communication method and a communication apparatus. The communication method includes the communication apparatus determining to use a reserved tone, determining a reference signal pattern and a tone reservation (TR) pattern, and performing data transmission based on the reference signal pattern and the TR pattern. The reference signal pattern includes a first reference signal sub-pattern and a second reference signal sub-pattern, and the second reference signal sub-pattern is an offset of the first reference signal sub-pattern in time domain and/or frequency domain. According to the method, a reference signal pattern having a plurality of different sub-patterns may be provided, so that reference signals are unevenly distributed on a bandwidth.

Abstract: A hybrid automatic repeat request (HARQ) process disabling method, a receiving device, and a sending device in communication, the method including a receiving device obtaining indication data, where the indication data is used to indicate to disable a HARQ process, and the receiving device disabling the HARQ process.

Abstract: A method includes: A communication apparatus receives information about an artificial intelligence (AI) connection, where the information about the AI connection includes at least one of the following configured for the AI connection: a model, a dataset, and a computing resource; and the communication apparatus sets up the AI connection to an AI node based on the information about the AI connection. The communication apparatus sets up the AI connection to the AI node based on the information about the AI connection including at least one of the model, the dataset, and the computing resource, so that AI-related signaling can be transmitted between the communication apparatus and the AI node based on the AI connection, and an AI-related operation is performed, to implement integration of AI and a wireless network.

Abstract: This application discloses a communication method. The method includes: A terminal device obtains a first message, where the first message carries target adjustment information. The terminal device obtains a second message, where the second message carries a timing advance (TA). The terminal device adjusts uplink sending time based on the target adjustment information and the TA. Embodiments of this application further provide a corresponding terminal device, network device, and storage medium.

Abstract: The present disclosure relates to power control methods and apparatuses. In one example method, a first uplink transmit power for a terminal device communicating with a source network device is adjusted, based on a first parameter, to obtain a second uplink transmit power, where the second uplink transmit power is used to communicate with a target network device in a handover process.

Abstract: This application provides an information indication method and apparatus for a non-terrestrial communication network. The method includes: A terminal receives first indication information, where the first indication information includes a bandwidth part BWP indication field, and the BWP indication field indicates a BWP identifier offset; the terminal determines a second bandwidth part identifier BWP_ID based on the BWP identifier offset, where the second BWP_ID corresponds to a target beam of the terminal; and the terminal switches to the target beam. The method extends indication of BWP identifiers on a premise of compatibility with indication based on conventional downlink control information DCI.

Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K?N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.

Abstract: A method includes: obtaining first semantic information corresponding to data; converting the first semantic information into second semantic information, where the second semantic information belongs to common semantic information, and the common semantic information is a unified description of same semantics that is provided by different devices; and sending the second semantic information. Based on the method provided in this application, when a semantic extraction model of a transmit device and a semantic understanding model of a receive device are not jointly trained, accuracy of semantic communication between the transmit device and the receive device may be ensured by converting local semantic information into common semantic information.

Abstract: A communication method and a communication apparatus are provided. The method includes: A first device receives first information, determines a target TR pattern based on the first information, and sends information or demodulates received information based on the target TR pattern, where the target TR pattern is a sub-pattern of a longest TR pattern, and the longest TR pattern includes a set of sub-carriers used as reserved tones. The longest TR pattern may include a plurality of TR sub-patterns of different lengths. For example, a first TR pattern of a first length is a sub-pattern of the longest TR pattern, and a second TR pattern of a second length is also a subset of the longest TR pattern. The TR sub-patterns of different lengths may correspond to different carrier bandwidths or quantities of RBs.

Abstract: A communication method includes determining a first bandwidth BW1, determining a second reserved tone pattern based on the first bandwidth BW1 and a first reserved tone pattern, and receiving or sending data based on the second reserved tone pattern. The first reserved tone pattern is a first tone index set corresponding to first reserved tones. The second reserved tone pattern is a second tone index set corresponding to second reserved tones. The second reserved tone pattern includes x translated first reserved tone patterns. A bandwidth corresponding to the first reserved tone pattern is a second bandwidth BW2, where x=int(BW1/BW2), and int represents a rounding function.

Abstract: Satellite cell reselection control methods and related devices are provided. One satellite cell reselection control method includes: determining a current location status of the user equipment; determining a satellite cell reselection control parameter set corresponding to the current location status; and the performing satellite cell reselection control of the user equipment based on the obtained satellite cell reselection control parameter set.

Abstract: This application provides a data packet processing method and apparatus, applied to a satellite communications system. An earth surface, space, and network space are divided based on a satellite constellation and an ephemeris of a satellite, and an identifier is allocated to each ground area, each space area, and each network that are sub-divisions of the earth surface, space and network space, to establish a fixed mapping relationship between the EID, the SID, and the NID. In addition, each satellite maintains mapping relationship information recording the mapping relationship. Unless a satellite joins the constellation or one satellite leave service, the mapping relationship recorded in the mapping relationship information does not need to be updated. Based on the mapping relationship information, a satellite may route a data packet, thereby reducing a large amount of signaling interaction caused by establishing and maintaining a routing table in the conventional manner.

Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K?N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.

Abstract: The technology of this application relates to a communication method and apparatus. In the method, a terminal device camping on a satellite cell receives first information, where the first information includes at least one first reference point and a frequency of at least one neighboring cell corresponding to the first reference point. The first reference point indicates a location in a first area other than a location of a network device to which the at least one neighboring cell corresponding to the first reference point belongs, and the first area includes a coverage area of the at least one neighboring cell corresponding to the first reference point. The terminal device measures the frequency of the at least one neighboring cell corresponding to the first reference point if a location of the terminal device is within a distance range of the first reference point.

Abstract: This application provides a handover method and apparatus in satellite communications. The handover method in satellite communications in this application includes: obtaining, by a terminal device, ephemeris information of first satellite base stations, where the first satellite base stations are satellite base stations that cover the terminal device; determining, by the terminal device based on the ephemeris information, a destination satellite base station to which the terminal device needs to hand over; determining, by the terminal device based on the determined destination satellite base station, a first time at which the terminal device is to hand over to the destination satellite base station; and handing over, by the terminal device based on the determined first time, to a destination cell served by the destination satellite base station.

Abstract: This application provides a communication method and apparatus, to resolve a problem that a quantity of supported beams in an existing solution is limited and therefore a large-scale cell cannot be fully covered, thereby improving reliability of initial access of terminal devices in the large-scale cell. The communication method and apparatus are applicable to various communication systems, for example, an NTN system, a satellite communication system, an aerial platform communication system, an uncrewed aerial vehicle communication system, a 5G system, an internet of vehicles system, and a V2X system. The method includes: generating N SSBs, where N?Lmax, Lmax>64, Lmax is a maximum quantity of supported sent SSBs, and N is a quantity of SSBs actually sent in one SSB cycle; and sending the N SSBs, where the N SSBs each carry an index i, and i is one of {0, 1, . . . , N?1}.

Abstract: Embodiments of this application disclose cell handover measurement indication methods, a network device, and a terminal, to improve reliability and real-time performance of cell handover. A cell handover measurement indication method includes: A network device calculates a measurement moment of cell handover based on a measurement event and sends a measurement indication. The measurement event is a location relationship between a terminal and the network device, and the measurement indication is used to indicate the terminal to perform cell handover measurement. The measurement indication sent by the network device may be used to notify the measurement moment of cell handover to the terminal.

Abstract: This application relates to the field of communication technologies, and provides an AI service information obtaining method, an apparatus, and a system. In the method, a first AI node sends measurement configuration information to the terminal device, where the measurement configuration information indicates to measure an AI service of a to-be-measured AI node; and the first AI node receives a measurement report from the terminal device, where the measurement report includes candidate AI service information, the candidate AI service information is AI service information that meets a first condition and that is in one or more pieces of AI service information obtained by measuring the to-be-measured AI node based on the measurement configuration information, and the first condition is carried in the measurement configuration information.

Abstract: This disclosure provides a beam information indication method and an apparatus. The terminal device obtains reference domain information of a plurality of beams and a first offset corresponding to each moment, to update beam domain information, where the first offset indicates an offset of domain information of the plurality of beams relative to the reference domain information of the plurality of beams. In technical solutions provided in this disclosure, domain information of the plurality of beams can be updated with low signaling overheads. The technical solutions may be applied to a satellite communication system, to implement interference management of satellite beams.