Abstract: A method includes obtaining a roadside sensing result that indicates a first group of location points that are of a traffic participant sensed by a first roadside device in a preset time period, and a multi-source fusion sensing result that indicates a second group of location points obtained by fusing a plurality of groups of location points that are of the traffic participant and that are obtained by a plurality of sensing devices in the preset time period; matching the roadside sensing result with the multi-source fusion sensing result; and generating first sensing capability information of the first roadside device based on the matching result.

Abstract: A map generation method includes generating first information, where the first information indicates that a first event in a first tile is associated with a second tile, the first event is a dynamic event in a map, and the first tile and the second tile are two different tiles in the map; and storing the first information.

Abstract: This application discloses a synchronization signal sending method and a related device. The method includes: generating, a first synchronization signal sequence and a second synchronization signal sequence, where the first synchronization signal sequence is a sequence obtained based on a first m-sequence, the second synchronization signal sequence is a sequence obtained based on a Gold sequence, the Gold sequence is generated based on a second m-sequence and a third m-sequence, and a generator polynomial of the first m-sequence is the same as a generator polynomial of the second m-sequence; mapping, the first synchronization signal sequence onto M subcarriers in a first time unit to obtain a first synchronization signal, and mapping the second synchronization signal sequence onto M subcarriers in a second time unit to obtain a second synchronization signal, where M and N are positive integers greater than 1.

Abstract: This application provides an example indication information transmission method. The method includes sending, by a network device, first indication information. The first indication information is used to indicate a time domain position at which second indication information is monitored. The method also includes sending, by the network device, the second indication information. The second indication information includes information about a channel occupancy time of the network device and/or slot format information of one or more slots corresponding to the channel occupancy time.

Abstract: In a method of generating an event map, a processing device obtains first information that indicates that there is an association relationship between a first event and a second event. The first information comprises association type information that indicates a type of the association relationship, and the first and second events are events in a map. The processing device then stores the first information as data of the map.

Abstract: A method for radio link monitoring on an unlicensed spectrum and a communications apparatus is provided. The method includes: A terminal device determines one or more channel occupancy times (COTs). The terminal device detects one or more downlink reference signals within the one or more COTs. The terminal device determines, based on the downlink reference signal detected within the one or more COTs, whether a channel needs to be reconnected. According to the method for radio link monitoring on an unlicensed spectrum that is provided in this application, accuracy of radio link monitoring performed on an unlicensed spectrum can be ensured, precision of a result of the radio link monitoring can be improved, and a more accurate result of the radio link monitoring can be obtained, thereby improving communication efficiency and communication quality.

Abstract: A transmitter generates a V2X message, where the V2X message includes reference object indication information and position indication information, the reference object indication information indicates at least one reference object, and the position indication information indicates a position of a target object relative to the at least one reference object; the transmitter sends the V2X message to a receiver; and the receiver determines target position information of the target object based on the reference object indication information and the position indication information. In the foregoing process, the transmitter transfers relative position information relative to the reference object to the receiver by using the V2X message, and does not need to perform deflection. In addition, the V2X message indicates a reference object on which position information is based.

Abstract: This application discloses a map generation method and apparatus, and a map using method and apparatus. One example generation method includes: generating a map, where the map includes location information of a first event and location reference information of the first event, the location information indicates a location at which the first event occurs, and the location reference information indicates a location reference manner on which the location information is based; and sending the map.

Abstract: Generating first map information, where the first map information includes information about a first reference object set, and the information about the first reference object set indicates a first identifier, in a geographic area, of each reference object in at least one reference object included in the first reference object set, and indicates a first position of each reference object in the at least one reference object. The first map information is generated, and the first map information indicates related information of each reference object in the first reference object set, to implement a manner of expressing the related information of the reference object more abundantly, so that maps provided by different map vendors may use reference objects in the first map information to perform position expression on an element or an event.

Abstract: Obtaining a plurality of pieces of positioning data of a group of location points, a plurality of pieces of positioning quality reference information, and location information of a map element in a map (S101); determining a target geographic range and a plurality of location points in the target geographic range based on the plurality of pieces of positioning data, the plurality of pieces of positioning quality reference information, and the location information of the map element, where the plurality of location points in the target geographic range are some or all of location points in the group of location points; generating positioning quality indication information based on positioning quality reference information of the plurality of location points in the target geographic range, to indicate a statistical value of positioning quality in the target geographic range (S102); and adding the positioning quality indication information to the map (S103).

Abstract: Embodiments of this application provide a control information transmission method. The method includes: User equipment UE sends report information to a base station, where the report information includes a detection result of one or more downlink reference signals of the UE or a status of a timer/counter corresponding to the one or more downlink reference signals; the UE receives feedback information from the base station, where the feedback information includes sending status information of the one or more downlink reference signals.

Abstract: A paging method to improve transmission efficiency of a paging message is provided. The method includes that a first terminal device determines, in a discontinuous reception periodicity, a first paging occasion of the first terminal device. When channel listening on the first paging occasion fails, the first terminal device receives a first paging message in a time window, where a start position of the time window is determined based on the first paging occasion, and the time window includes at least one paging occasion.

Abstract: The present disclosure relates to beam configuration methods and apparatus. One example method includes receiving, by a terminal, beam configuration information from a network device, where the beam configuration information is used to instruct the terminal to transmit a signal by using a first beam, and transmitting, by the terminal, the signal by using at least the first beam when a first preset duration starting from a first time point expires, where the first time point is a time point at which the terminal sends an acknowledgement (ACK) message for the beam configuration information to the network device.

Abstract: The present disclosure relates to map tile update methods and apparatuses. In one example method, a first device receives map update information from a second device, where the map update information includes identifiers of a plurality of to-be-updated map tiles. The first device obtains an update policy based on the map update information, where the update policy includes an update sequence of the plurality of to-be-updated map tiles. The first device downloads, according to the update sequence, update information of the to-be-updated map tiles based on the update policy.

Abstract: This application provides a method including: receiving first configuration information of an SRS resource from a network device, where the first configuration information includes a repetition factor of the SRS resource, and the repetition factor of the SRS resource is a quantity N of positions at which the SRS resource is mapped to a same subcarrier and mapped to at least one continuous symbol in one time unit, where N?1 and is an integer; determining at least one first frequency domain resource to which the SRS resource is mapped in a first time unit.

Abstract: A high-definition map update method includes obtaining n-dimensional feature information of a dynamic event in n dimensions, where the n dimensions are n factors that affect representation of the dynamic event in a high-definition map, the dynamic event is an event that causes dynamic information in the high-definition map to change, and n is an integer greater than one, and determining, based on the feature information, a representation manner of the dynamic event in the high-definition map, where the representation manner includes at least one of an extended attribute representation manner or a dynamic layer representation manner.

Abstract: A map cloud allocates an identification code to a vehicle, maintains a correspondence between the identification code and a data processing manner, and sends the identification code to the vehicle. When reporting data, the vehicle reports the identification code allocated to the vehicle, that is, identifies the corresponding processing manner of the data by using the identification code, so that after receiving a data report message reported by the vehicle, the map cloud can quickly determine the data processing manner by using the identification code included in the data report message.

Abstract: A terminal device obtains first data based on data collected by at least one sensor on at least one vehicle, generates a first message based on the first data, and sends the first message. The first message includes first indication information, which can indicate a data type of the first data, when the first message includes the first indication information. The data type can include one of the following: raw data, feature level data, or object level data, where raw data is data collected by the sensor, the feature level data is data extracted from the raw data collected by the sensor and that represents a feature of a detected object, and the object level data is data extracted from the raw data or feature level data and that represents an attribute of the detected object.

Abstract: Example transmission methods and apparatus are described. One example method includes: determining, by a network device, downlink control information (DCI), wherein the DCI includes a first request field. The first request field indicates sending reference signal from the network device to a terminal device, and the first request field triggers the terminal device to report a measurement result of the reference signal to the network device. The measurement result includes channel state information (CSI) and/or beam state information (BSI). The DCI is sent by the network device to the terminal.

Abstract: This application provides a sequence-based signal processing method and apparatus. A sequence used for sending a signal on a PUSCH is determined. The sequence is a sequence {xn} including N elements, xn is an element in the sequence {xn}, and the determined sequence {xn} is a sequence satisfying a preset condition. Then, a first signal is generated and sent. By using the determined sequence, when a signal is sent on the PUSCH, relatively good sequence frequency domain flatness can be maintained, and a relatively low PAPR value and a relatively low cross-correlation between sequences can be maintained, thereby satisfying a communications application environment in which a signal is sent on the PUSCH, especially an NR system scenario or an NR similar scenario.