Abstract: This application provides a relative angle-based positioning method and an apparatus. In the method, a network device can flexibly select a reference direction, and support linear array-based angle positioning. The method includes: A network device participating in positioning exchanges an uplink positioning configuration with a positioning center, a terminal device, and a serving cell that participate in positioning. The network device participating in positioning receives a first reference signal sent by the terminal device. The network device participating in positioning determines angle measurement information based on the first reference signal. The network device participating in positioning reports the angle measurement information to the positioning center, where the angle measurement information includes a set reference direction and an angle of a direction of the terminal device relative to the set reference direction.

Abstract: This application provides a signal transmission method and apparatus, to help a terminal device determine a receive beam for a positioning reference signal. This can reduce overheads of performing receive beam sweeping by the terminal device, and save resources. The method includes: A terminal device receives a first positioning reference signal PRS resource set and a second PRS resource set that are sent by a network device, and learns that N first PRS resources in the first PRS resource set and N second PRS resources in the second PRS resource set satisfy a quasi-colocation QCL relationship.

Abstract: A method and a device for indicating and receiving paging control information, a storage medium, a base station, and a user equipment are provided, and the method for indicating paging control information includes: determining whether a first type of paging control information and a second type of paging control information are to be carried, wherein the first type of paging control information includes a system information update notification indicator, an ETWS notification indicator, and a CMAS notification indicator, and the second type of paging control information includes a paging message scheduling information indicator; and configuring a first predetermined bit field in DCI in accordance with a determined result, wherein the first predetermined bit field includes 2 bits. Embodiments of the present disclosure may support UEs in different states to simultaneously receive and acquire their required paging control information, which saves resources and improves paging efficiency.

Abstract: The present disclosure provides a method and a device for indicating PT-RS port for non-codebook-based uplink PUSCH transmission, and a base station. The method includes: determining a number of bits of a PTRS-DMRS association in a DCI to be transmitted according to a number of SRS resources, a number of PT-RS ports, and a maximum uplink rank number supported by a UE; and transmitting the DCI to the UE, wherein the DCI carries indication bits which have a same number with the bits and apply to indicate an association relationship between the PT-RS ports and the DMRS ports. The present disclosure realizes indication of association relationships between PT-RS ports and DMRS ports in the event of multiple PT-RS ports.

Abstract: This application provides a communication method, apparatus, and system, which may be used to position a terminal device in a handover scenario, so that continuity of a positioning service can be maintained, and a positioning success rate can be improved. The method includes: A communication device sends a first message to a location management function network element after determining that a terminal device is handed over to a target cell, where the first message includes identifier information of the target cell, so that the location management function network element receives the first message.

Abstract: This application provides an interference randomization method and apparatus, to resolve a problem of continuous interference that may be caused by a configuration of a reference signal, especially a positioning reference signal, in a beam scenario. The method includes: A terminal device receives interference randomization configuration information, where the interference randomization configuration information includes configuration information in at least two time periods, receiving modes of a reference signal in the at least two time periods are different, and the receiving mode is used to indicate a receiving status of the terminal device for the reference signal on a reference signal resource or a reference signal resource set. The terminal device receives the reference signal based on the interference randomization configuration information.

Abstract: The present disclosure relates to user equipment (UE) positioning methods. In one example method, a first base station receives first measurement information, where the first measurement information is obtained by a UE by measuring a signal sent by the first base station. The first base station determines first intermediate information based on the first measurement information and first assistance information that is of the first base station, where the first intermediate information is used to determine position information of the UE. The first base station sends the first intermediate information to a first network device.

Abstract: The present disclosure describes a method including accessing a cell operating in an unlicensed spectrum and configuring at least one physical shared channel in the cell; indicating, by DCI, the number of slots scheduled for a current physical shared channel if the number of aggregated slots for the at least one physical shared channel configured by RRC signaling is greater than 1; and indicating, by the DCI, at least one piece of time-domain resource allocation information. The time-domain resource allocation information includes: an offset value between a slot where the physical shared channel is located and a slot where a physical downlink control channel is transmitted; a starting symbol position of the physical shared channel; length information of symbols of the physical shared channel; and a mapping type of the physical shared channel.

Abstract: A method and an apparatus for configuring an uplink time-frequency resource set, and a method and an apparatus for receiving an uplink time-frequency resource set. The configuration method includes: configuring at least one uplink time-frequency resource set for a user configured with an uplink transmission multiplexing mode, wherein the uplink time-frequency resource set includes time-frequency resource units on which the user performs rate matching; and transmitting one or more indication groups to the user to indicate at least one of the uplink time-frequency resource sets, wherein each uplink time-frequency resource set is indicated by at least one of the indication groups. Therefore, an eMBB user can acquire a position of the time-frequency resource of the uplink DMRS transmitted by an URLLC user, and not perform uplink data transmission over a corresponding time-frequency resource. Therefore, the reliability of the URLLC user is improved.

Abstract: An information configuration method and apparatus, the method including receiving first configuration information, where the first configuration information includes configuration information of a time-frequency resource to which a positioning reference signal (PRS) is mapped and configuration information of a time-frequency resource to which a synchronization signal/physical broadcast channel (SS/PBCH) block is mapped, determining, based on the first configuration information, the time-frequency resource to which the PRS is mapped and the time-frequency resource to which the SS/PBCH block is mapped, and skipping receiving, when the time-frequency resource to which the SS/PBCH block is mapped overlaps the time-frequency resource to which the PRS is mapped, the PRS on the overlapped time-frequency resource.

Abstract: This application provides a signal transmission method and apparatus. The method includes: A neighboring cell sends downlink reference signal resource configuration information to a serving cell. The serving cell sends a downlink reference signal measurement request including downlink reference signal resource configuration information to a terminal device. The neighboring cell and the terminal device transmit a downlink reference signal based on the downlink reference signal resource configuration information. The terminal device obtains a downlink reference signal measurement result. The terminal device sends the downlink reference signal measurement result to the serving cell. The serving cell sends the downlink reference signal measurement result to the neighboring cell, or sends, to the neighboring cell, beam information that is about a beam between the neighboring cell and the terminal device and that is determined based on the downlink reference signal measurement result.

Abstract: A signal measurement method and a communication apparatus to measure a downlink angle of departure (DAOD) more accurately. The method includes: receiving resource configuration information, where the resource configuration information includes configuration information of a first reference signal set, the first reference signal set includes M reference signals, N reference signals in the M reference signals are reference reference signals, M is greater than 1, and N is greater than or equal to 1; receiving the M reference signals; determining N first paths corresponding to the N reference reference signals, and separately determining M*N received powers of the M reference signals on the N first paths; and reporting a measurement result, where the measurement result includes K*N received powers in M*N received powers, K?M, and the first path is one of a plurality of paths corresponding to a reference reference signal.

Abstract: This application provides a method and an apparatus for positioning a terminal device. The method includes: generating, by a terminal device, a first message, where the first message includes one or more pieces of first time difference information, and the first time difference information includes a first time difference and information about a first positioning reference signal pair corresponding to the first time difference, where the first positioning reference signal pair includes a first uplink positioning reference signal and a first downlink positioning reference signal that have an association relationship, and the first time difference is a time difference between a sending time point of the first uplink positioning reference signal and a receiving time point of the first downlink positioning reference signal; and sending, by the terminal device, the first message to a network device.

Abstract: A signal transmission method and an apparatus. The method includes: a location management device receives first SRS resource configuration information from a serving cell and/or a neighboring cell. The location management device sends second SRS resource configuration information to a terminal device, where the second SRS resource configuration information includes third SRS resource configuration information and a downlink reference signal associated with an SRS resource indicated by the third SRS resource configuration information, and the third SRS resource configuration information is a part or all of the first SRS resource configuration information. The location management device configures the SRS resource for the terminal device, so that the SRS resource can be associated with the downlink reference signal. This helps the terminal device obtain information about a transmission beam for sending an SRS, and therefore SRS receiving efficiency of the cell can be improved to some extent.

Abstract: This application provides a communication method and a communication device. The method includes: A terminal device obtains an uplink timing advance TA of a serving cell. The terminal device obtains a downlink signal time difference between the serving cell and a neighboring cell. The terminal device obtains an uplink TA of the neighboring cell based on the uplink TA of the serving cell and the downlink signal time difference. The terminal device sends an uplink signal to the neighboring cell based on a downlink subframe timing and the uplink TA of the neighboring cell. The uplink TA of the neighboring cell is obtained, so that the terminal device can send the uplink signal to the neighboring cell based on the uplink TA of the neighboring cell.

Abstract: This application provides a beam information obtaining method and an apparatus, relates to the field of communications technologies, and resolves a problem that resources of positioning reference signals are wasted because the positioning reference signals need to be omnidirectionally sent because of an unknown direction, of a terminal, caused by use of a beam, when the terminal is positioned in, e.g., a 5G system. The method in this application resolves the problem and saves overheads of sending a reference signal. The method includes: The terminal receives a beam information request sent by a location management device, where the beam information request is used to request the terminal to provide measurement information of a downlink beam. The terminal obtains beam information, where the beam information includes information about a reference signal that is sent by at least one network device and that is measured by the terminal.

Abstract: This application provides a signal transmission method and apparatus. The method includes: A terminal device receives configuration information of a positioning reference signal and configuration information of a first reference signal that are from a first network device and that are sent by a serving base station, where the first reference signal and the positioning reference signal are quasi-co-located QCLed; the terminal device determines, based on the configuration information of the positioning reference signal and the configuration information of the first reference signal, whether a second reference signal corresponding to the first reference signal exists; and if determining that the second reference signal exists, the terminal device receives the positioning reference signal sent by the first network device, where the positioning reference signal and the second reference signal are QCLed.

Abstract: Disclosed in some examples are a method for physical downlink shared channel receiving and a method for indicating its time domain resource, and a device, a storage medium, a base station, and a terminal thereof. The method for indicating the time domain resource for the physical downlink shared channel includes: determining a starting symbol position of the time domain resource for transmitting the physical downlink shared channel based on a symbol position for a front loaded demodulation reference signal; determining a row index in a preset time domain table at least based on the starting symbol position; and carrying the row index in a downlink control information, and transmitting the downlink control information to a user equipment. The technical solution of the present disclosure can achieve the flexibility in PDSCH schedule.

Abstract: A method and a device for indicating and receiving paging control information, a storage medium, a base station, and a user equipment are provided, and the method for indicating paging control information includes: determining whether a first type of paging control information and a second type of paging control information are to be carried, wherein the first type of paging control information includes a system information update notification indicator, an ETWS notification indicator, and a CMAS notification indicator, and the second type of paging control information includes a paging message scheduling information indicator; and configuring a first predetermined bit field in DCI in accordance with a determined result, wherein the first predetermined bit field includes 2 bits. Embodiments of the present disclosure may support UEs in different states to simultaneously receive and acquire their required paging control information, which saves resources and improves paging efficiency.

Abstract: The present disclosure describes a method for allocating channel resource and a computer readable storage medium and a terminal. The method includes: accessing a cell operating in an unlicensed spectrum and configuring at least one physical shared channel in the cell; indicating, by DCI, the number of slots scheduled for a current physical shared channel if the number of aggregated slots for the at least one physical shared channel configured by RRC signaling is greater than 1; and indicating, by the DCI, at least one piece of time-domain resource allocation information. The time-domain resource allocation information includes: an offset value between a slot where the physical shared channel is located and a slot where a physical downlink control channel is transmitted; a starting symbol position of the physical shared channel; length information of symbols of the physical shared channel; and a mapping type of the physical shared channel.