Control information transmission method, apparatus, device, and storage medium

Abstract

This application provides a control information transmission method, apparatus, device, and storage medium relating to the art of mobile communications. The method is performed by a terminal device and includes receiving control information (1501). The control information is used to indicate or schedule the transmission of sidelink information in a sidelink. The sidelink information includes a reference signal for positioning.

Claims

1. A control information transmission method performed by a terminal device, The aforementioned method, This includes receiving control information, the control information being used to indicate or schedule the transmission of sidelink information in a sidelink, and the sidelink information including a reference signal for positioning. A control information transmission method characterized by the following.

2. The sidelink information includes information transmitted on the physical sidelink control channel (PSCCH) and the reference signal, or The sidelink information includes information transmitted on the PSCCH, the reference signal, and information transmitted on the physical sidelink shared channel (PSSCCH). The method according to feature 1.

3. The control information is downlink control information (DCI) in a first format, and the first format is a format other than DCI format 3_0 and DCI format 3_1, or The control information is a DCI in a second format, and the second format is DCI format 3_0 or DCI format 3_1. The method according to 1 or 2, characterized by the above.

4. The cyclic redundancy check (CRC) of the DCI in the first format is scrambled by a radio network temporary identifier (RNTI) associated with positioning. The method according to feature 3.

5. The RNTI related to the positioning includes at least one of the first RNTI, the second RNTI, and the third RNTI. The first RNTI is used for dynamic scheduling of the sidelink positioning reference signal. The second RNTI is used for scheduling the configuration grant of the sidelink positioning reference signal. The third RNTI is used for scheduling the sidelink positioning reference signal, PSCCH, and PSSCH. The method according to feature 4.

6. If the sidelink information does not include information transmitted on the PSSCH and the control information is DCI in a first format, then the DCI in the first format does not include information for indicating uplink feedback resources. The method according to any one of claims 3 to 5, characterized by...

7. The DCI in the second format includes an information field for indicating an uplink feedback resource. The method according to any one of claims 3 to 5, characterized by...

8. The aforementioned method, If the sidelink information does not include information transmitted on the PSSCH, then at least one of the following is transmitted on the uplink feedback resource: first information indicated by the upper layer, second information indicating whether or not the sidelink information has been transmitted, and third information identified by the terminal device itself. Further including, The method according to feature 7.

9. The aforementioned method, The further includes transmitting first request information, wherein the first request information is information to be transmitted to a network device, and the first request information is information indicating whether or not the sidelink information includes information to be transmitted on the PSSCH. The method according to any one of claims 2 to 8, characterized by the features described above.

10. Transmitting the first request information means This includes sending a scheduling request (SR) or buffer status report (BSR), and sending the first request information. The method according to feature 9.

11. The first request information is included in the SR or BSR, or The first requested information is information independent of the SR or BSR. The method according to the present invention, characterized by the present invention.

12. The DCI format of the control information corresponds to the resource pool where the transmission resources for the sidelink information are located. The method according to any one of claims 3 to 11, characterized by...

13. The resource pool in which the transmission resources for the sidelink information are located includes a dedicated resource pool for the reference signal for positioning, or The resource pool in which the transmission resources for the sidelink information are located includes a shared resource pool for the reference signal for positioning and for sidelink communication. The method according to 12, characterized by the features described above.

14. If the resource pool where the transmission resources for the sidelink information are located is the dedicated resource pool, the DCI format of the control information is the first format; if the resource pool where the transmission resources for the sidelink information are located is the shared resource pool, the DCI format of the control information is the first format, or If the resource pool where the transmission resources for the sidelink information are located is the dedicated resource pool, the DCI format of the control information is the first format; if the resource pool where the transmission resources for the sidelink information are located is the shared resource pool, the DCI format of the control information is the second format. The method according to the present invention, characterized by the present invention.

15. If the length of the DCI in the first format is less than the length of the DCI in the second format, and the control information is the DCI in the first format, then the end of the control information includes padding information, and the length of the padding information is the value obtained by subtracting the length of the DCI in the first format from the length of the DCI in the second format, or If the length of the DCI in the first format is greater than the length of the DCI in the second format, and the control information is the DCI in the second format, then the end of the control information includes padding information, and the length of the padding information is the value obtained by subtracting the length of the DCI in the second format from the length of the DCI in the first format. The method according to any one of claims 3 to 14, characterized by...

16. The aforementioned padding information is a bit with a value of zero. The method according to the present invention, characterized by the present invention.

17. The control information is used to indicate the resource or resource set of the reference signal. The method according to any one of claims 1 to 16, characterized by...

18. The information field of the control information includes at least one of the first information field, the second information field, the third information field, the fourth information field, and the fifth information field. The first information field is used to carry the resource identifier of the reference signal, The second information field is used to convey the offset and size of the comb structure of the reference signal. The third information field is used to carry time-domain resource instruction information of the reference signal. The fourth information field is used to carry frequency domain resource instruction information of the reference signal. The fifth information field is used to carry the resource element (RE) offset of the reference signal. The method according to feature 17.

19. The time-domain resource instruction information of the reference signal includes at least one of the following: the starting orthogonal frequency division multiplexing (OFDM) symbol of the reference signal, and the number of OFDM symbols of the reference signal. The method according to the present invention, characterized by the present invention.

20. The frequency domain resource instruction information for the reference signal includes at least one of the following: a frequency domain resource for the reference signal and a set of frequency domain resources for the reference signal. The method according to 18 or 19, characterized by the features described above.

21. The aforementioned method, The further includes transmitting sidelink control information (SCI), the SCI comprising at least one information field among the first information field, the second information field, the third information field, the fourth information field, and the fifth information field. The method according to any one of claims 18 to 20, characterized by the features described herein.

22. The SCI includes at least one of a 1st-stage SCI transported on PSCCH and a 2nd-stage SCI transported on PSSCH. The method according to feature 21.

23. The side link information resources include at least one of the following: resources in the licensed frequency band, resources in the dedicated frequency band, and resources in the unlicensed frequency band. The method according to any one of claims 1 to 22, characterized by the features described herein.

24. A control information transmission method performed by a network device, The aforementioned method, This includes transmitting control information, which is used to indicate or schedule the transmission of sidelink information in a sidelink by a terminal device, and which includes a reference signal for positioning. A control information transmission method characterized by the following.

25. The sidelink information includes information transmitted on the physical sidelink control channel (PSCCH) and the reference signal, or The sidelink information includes information transmitted on the PSCCH, the reference signal, and information transmitted on the physical sidelink shared channel (PSSCCH). The method according to feature 24.

26. The control information is downlink control information (DCI) in a first format, and the first format is a format other than DCI format 3_0 and DCI format 3_1, or The control information is a DCI in a second format, and the second format is DCI format 3_0 or DCI format 3_1. The method according to 24 or 25, characterized by the above.

27. The cyclic redundancy check (CRC) of the DCI in the first format is scrambled by a radio network temporary identifier (RNTI) associated with positioning. The method according to the feature of 26.

28. The RNTI related to the positioning includes at least one of the first RNTI, the second RNTI, and the third RNTI. The first RNTI is used for dynamic scheduling of the sidelink positioning reference signal. The second RNTI is used for scheduling the configuration grant of the sidelink positioning reference signal. The third RNTI is used for scheduling the sidelink positioning reference signal, PSCCH, and PSSCH. The method according to feature 27.

29. If the sidelink information does not include information transmitted on the PSSCH and the control information is DCI in a first format, then the DCI in the first format does not include an information field for indicating an uplink feedback resource. The method according to any one of claims 26 to 28, characterized by the features described herein.

30. The DCI in the second format includes an information field for indicating an uplink feedback resource. The method according to any one of claims 26 to 28, characterized by the features described herein.

31. The aforementioned method, If the sidelink information does not include information transmitted on the PSSCH, the uplink feedback resource receives at least one of the following: first information shown to the terminal device by the upper layer, second information indicating whether or not the terminal device has transmitted the sidelink information, and third information identified by the terminal device itself. Further including, The method according to the present invention, characterized by the present invention.

32. The aforementioned method, The process further includes receiving first request information, wherein the first request information is information transmitted by the terminal device, and the first request information is information indicating whether or not the sidelink information includes information transmitted on the PSSCH. Transmitting the control information includes transmitting the control information based on the first request information. The method according to any one of claims 25 to 31, characterized by...

33. Receiving the first request information means This includes receiving a scheduling request (SR) or buffer status report (BSR), and receiving the first request information. The method according to feature 32.

34. The first request information is included in the SR or BSR, or The first requested information is information independent of the SR or BSR. The method according to feature 33.

35. The DCI format of the control information corresponds to the resource pool where the transmission resources for the sidelink information are located. The method according to any one of claims 26 to 34, characterized by...

36. The resource pool in which the transmission resources for the sidelink information are located includes a dedicated resource pool for the reference signal for positioning, or The resource pool in which the transmission resources for the sidelink information are located includes a shared resource pool for the reference signal for positioning and for sidelink communication. The method according to 35, characterized by the features described above.

37. If the resource pool where the transmission resources for the sidelink information are located is the dedicated resource pool, the DCI format of the control information is the first format; if the resource pool where the transmission resources for the sidelink information are located is the shared resource pool, the DCI format of the control information is the first format, or If the resource pool where the transmission resources for the sidelink information are located is the dedicated resource pool, the DCI format of the control information is the first format; if the resource pool where the transmission resources for the sidelink information are located is the shared resource pool, the DCI format of the control information is the second format. The method according to the feature of 36.

38. If the length of the DCI in the first format is less than the length of the DCI in the second format, and the control information is the DCI in the first format, then the end of the control information includes padding information, and the length of the padding information is the value obtained by subtracting the length of the DCI in the first format from the length of the DCI in the second format, or If the length of the DCI in the first format is greater than the length of the DCI in the second format, and the control information is the DCI in the second format, then the end of the control information includes padding information, and the length of the padding information is the value obtained by subtracting the length of the DCI in the second format from the length of the DCI in the first format. The method according to any one of claims 26 to 37, characterized by...

39. The aforementioned padding information is a bit with a value of zero. The method according to the feature of 38.

40. The control information is used to indicate the resource or resource set of the reference signal. The method according to any one of claims 24 to 39.

41. The information field of the control information includes at least one of the first information field, the second information field, the third information field, the fourth information field, and the fifth information field. The first information field is used to carry the resource identifier of the reference signal, The second information field is used to convey the offset and size of the comb structure of the reference signal. The third information field is used to carry time-domain resource instruction information of the reference signal. The fourth information field is used to carry frequency domain resource instruction information of the reference signal. The fifth information field is used to carry the Resource Element (RE) offset of the reference signal. The method according to the present invention, characterized by the present invention.

42. The time-domain resource instruction information of the reference signal includes at least one of the following: the starting orthogonal frequency division multiplexing (OFDM) symbol of the reference signal, and the number of OFDM symbols of the reference signal. The method according to feature 41.

43. The frequency domain resource instruction information for the reference signal includes at least one of the following: a frequency domain resource for the reference signal and a set of frequency domain resources for the reference signal. The method according to 41 or 42, characterized by the features described above.

44. The side link information resources include at least one of the following: resources in the licensed frequency band, resources in the dedicated frequency band, and resources in the unlicensed frequency band. The method according to any one of claims 24 to 43.

45. A control information transmission device, The apparatus includes a receiving module, the receiving module is configured to receive control information, the control information is used to indicate or schedule the transmission of sidelink information in a sidelink, and the sidelink information includes a reference signal for positioning. A control information transmission device characterized by the following features.

46. A control information transmission device, The apparatus includes a transmitting module, which is configured to transmit control information, which is used to indicate or schedule the transmission of sidelink information in a sidelink by a terminal device, and which includes a reference signal for positioning. A control information transmission device characterized by the following features.

47. A terminal device comprising a processor, memory, and transceiver, The memory is configured to store a computer program, and the processor is configured to execute the computer program and cause the terminal device to execute the control information transmission method described in any one of claims 1 to 23. A terminal device characterized by the following features.

48. A network device comprising a processor, memory, and transceiver, The memory is configured to store a computer program, and the processor is configured to execute the computer program and cause the network device to execute the control information transmission method described in any one of claims 24 to 44. A network device characterized by the following features.

49. A computer-readable storage medium, The computer-readable storage medium stores a computer program, and the computer program is executed by the processor of the communication device to cause the communication device to execute the control information transmission method described in any one of claims 1 to 44. A computer-readable storage medium characterized by the following features.

50. A chip comprising an integrated circuit and an application program, The chip is configured to operate in a communication device and cause the communication device to execute the control information transmission method described in any one of claims 1 to 44. A chip characterized by the following features.

51. A computer program product that includes computer instructions, The computer instructions are stored in a computer-readable storage medium, and the processor of the communication device is configured to call and execute the computer instructions from the computer-readable storage medium, causing the communication device to execute the control information transmission method described in any one of claims 1 to 44. A computer program product characterized by the following features.

52. It is a computer program, The computer program is executed by the processor of the communication device, causing the communication device to execute the control information transmission method described in any one of claims 1 to 44. A computer program characterized by the following features.

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