Communication methods and related devices

Abstract

Embodiments of this application disclose a communication method and associated apparatus that enable a network device to schedule a first positioning reference signal resource for a first terminal device. The method in embodiments of this application includes: the first terminal device transmits a first request to the network device, where the first request is for a positioning reference signal resource; and the first terminal device receives a first downlink control information DCI from the network device, where the first DCI indicates a first positioning reference signal resource to be scheduled for the first terminal device.

Claims

1. A method of communication, A first terminal device transmits a first request to a network device, wherein the first request is for a request for a positioning reference signal resource. The first step is to receive first downlink control information (DCI) from the network device using the first terminal device, wherein the first DCI indicates a first positioning reference signal resource scheduled for the first terminal device. A method that includes [a certain feature].

2. The first request mentioned above is, The bandwidth of the positioning reference signal resource required by the first terminal device, The number of time-domain symbols occupied by the positioning reference signal resource required by the first terminal device, The comb size of the positioning reference signal resource required by the first terminal device, The frequency domain offset of the positioning reference signal resource required by the first terminal device, The start time domain symbol occupied by the positioning reference signal resource required by the first terminal device, The number of positioning reference signal resources required by the first terminal device, The time interval between time-domain locations occupied by multiple positioning reference signal resources required by the first terminal device, First indication information, wherein the first indication information is information indicating the resource pool to which the positioning reference signal resource requested by the first terminal device belongs, Second indication information, wherein the second indication information indicates a positioning reference signal resource required by the first terminal device, or A third indication information, wherein the third indication information indicates that the first terminal device is requesting the positioning reference signal resource. The method according to claim 1, comprising at least one of the following.

3. The method according to claim 1 or 2, wherein the first request is transported by a media access control element (MAC CE).

4. The aforementioned first request further aims to request data transmission resources, or The method further comprises the step of transmitting a second request to a network device by the first terminal device, wherein the second request is intended to request data transmission resources. The method according to any one of claims 1 to 3.

5. The first DCI indicates the first positioning reference signal resource scheduled for the first terminal device, The first DCI includes a first field, and If the value of the first field is the first value, the first field indicates that only the positioning reference signal will be transmitted in the slot scheduled by using the first DCI, or If the value of the first field is the second value, the first field indicates that data and positioning reference signals are to be transmitted in the slot scheduled by using the first DCI. The method according to any one of claims 1 to 4, including

6. The first DCI indicates the first positioning reference signal resource scheduled for the first terminal device, The first DCI is intended to schedule n slots, and the first DCI includes a second field, which indicates that in the first of the n slots, only a positioning reference signal, only data, or data and a positioning reference signal will be transmitted, ..., in the i-th slot, only a positioning reference signal, only data, or data and a positioning reference signal will be transmitted, ..., in the n-th slot, only a positioning reference signal, only data, or data and a positioning reference signal will be transmitted, where n is an integer of 1 or more, and i is an integer of 2 or more but less than n. The method according to any one of claims 1 to 4, including

7. The first DCI indicates the first positioning reference signal resource scheduled for the first terminal device, The first DCI includes a plurality of third fields, the plurality of third fields corresponding to a plurality of slots scheduled by using the first DCI, and If the value of the third field among the plurality of third fields is the third value, the third field instructs the first terminal device to transmit only the positioning reference signal in the slot corresponding to the third field. If the value of the third field among the plurality of third fields is the fourth value, the third field instructs the first terminal device to transmit only data in the slot corresponding to the third field, or If the value of the third field among the plurality of third fields is the fifth value, the third field instructs the first terminal device to transmit data and a positioning reference signal in the slot corresponding to the third field. The method according to any one of claims 1 to 4, including

8. The method according to any one of claims 1 to 4, wherein the first DCI includes a fourth field, the fourth field is intended to index a dedicated resource pool, and the first positioning reference signal resource belongs to the dedicated resource pool.

9. The method according to any one of claims 1 to 8, wherein the first DCI further comprises a fifth field, the fifth field indicating the positioning reference signal resource scheduled by using the first DCI.

10. The method according to claim 9, wherein the length of the fifth field relates to the number of pre-configured positioning reference signal resources in each slot scheduled by using the first DCI, or the length of the fifth field relates to the number of pre-configured positioning reference signal resources in the resource pool to which the positioning reference signal resources scheduled by using the first DCI belong.

11. The length of the fifth field is determined by the following conditions [Math 1] Satisfying the conditions, [Math 2] teeth, [Math 3] The method according to claim 9 or 10, wherein k is the number of positioning reference signal resources scheduled by using the first DCI, N is the number of pre-configured positioning reference signal resources in each slot scheduled by using the first DCI, N is the ranking number of the positioning reference signal resource having the highest ranking number in each slot scheduled by using the first DCI, or N is the number of pre-configured positioning reference signal resources in the source pool to which the positioning reference signal resources scheduled by using the first DCI belong.

12. Prior to the step of transmitting the first request to the network device by the first terminal device, the method: The first terminal device sends a third request to the network device, The first terminal device receives a second DCI from the network device, wherein the second DCI indicates a first resource. The step of transmitting the first request to the network device by the first terminal device is further comprising: The first terminal device transmits the first request relating to the first resource. including, The method according to any one of claims 1 to 11.

13. The aforementioned method, The first terminal device transmits a positioning reference signal on the first positioning reference signal resource. The method according to any one of claims 1 to 12, further comprising the above.

14. After the first terminal device transmits the positioning reference signal on the first positioning reference signal resource, the method: A step in which the first terminal device receives measurement information from a second terminal device, wherein the measurement information is obtained by the second terminal device by measuring the positioning reference signal. The method according to claim 13, further comprising:

15. After the first terminal device receives the measurement information from the second terminal device, the method then: A step of transmitting feedback information to the network device using the first terminal device, wherein the purpose of the feedback information is to provide feedback that the positioning reference signal is being transmitted or received normally. The method according to claim 14, further comprising:

16. The measurement information includes the measurement quality obtained by measuring the positioning reference signal by the second terminal device, and after the step of receiving the measurement information from the second terminal device by the first terminal device, the method If the measurement quality is equal to or greater than a first threshold, the first terminal device transmits acknowledgment (ACK) information to the network device, or If the measurement quality is below a first threshold, the first terminal device transmits a negative response NACK to the network device. The method according to claim 14, further comprising:

17. A communication device comprising a transceiver module, wherein the transceiver module is configured to perform a receiving operation and a transmitting operation in any one of claims 1 to 16.

18. A communication device, wherein the communication device is Memory configured to store computer instructions, A processor configured to execute a computer program stored in the memory or a computer instruction, thereby enabling the communication device to perform the method according to any one of claims 1 to 16. A communication device equipped with the following features.

19. A communication device comprising a processor, wherein the processor is configured to execute a computer program or computer instruction in memory to perform the method according to any one of claims 1 to 16.

20. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a communication device, the communication device is able to perform the method according to any one of claims 1 to 16.

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