METHOD FOR INDICATING RESOURCES, METHOD FOR DETERMINING RESOURCES, AND APPARATUS.

Abstract

Modalities of this application relate to the field of communications technologies, provide a resource indication method, a resource determination method, and an apparatus, to indicate different resources using a value of the same resource indication information, and can be applied to an internet of vehicles, for example, V2X, LTE-V, and V2V; or can be used in fields such as D2D, intelligent driving, and smart connected vehicles.The method includes: determining a first resource in a first slot and a second resource in a second slot, where the first and second resources are used to send data; and sending resource indication information in a third slot, where a value of the resource indication information is used to indicate a frequency domain position of the first resource and a frequency domain position of the second resource, and the second and first slots are subsequent to the third slot. In this way, a single value of one piece of resource indication information can be used to indicate two different resources.

Claims

1. A resource indication method, characterized in that it comprises: determining a first resource in a first slot and a second resource in a second slot, wherein the first resource and the second resource are to be used to send data;To determine a resource indication value (RIV) based on a frequency domain start position of the first resource, a frequency domain start position of the second resource, a first frequency domain bandwidth, and a second frequency domain bandwidth, the RIV is used to indicate the frequency domain start position of the first resource and the frequency domain start position of the second resource, wherein the first frequency domain bandwidth is a frequency domain bandwidth of the first resource or a frequency domain bandwidth of the second resource, the frequency domain bandwidth of the first resource is the same as the frequency domain bandwidth of the second resource, and the second frequency domain bandwidth is a frequency domain bandwidth of a resource source;and send the resource indication information in a third slot, wherein a value of the resource indication information is the RIV, the second slot and the first slot being subsequent to the third slot.; 2. The method according to claim 1, characterized in that the method further comprises: sending a first data packet into a third resource in the third slot, sending a second data packet into the first resource, and sending a third data packet into the second resource, wherein the second data packet and the third data packet are different from the first data packet, or the second data packet and the third data packet are data packets retransmitted from the first data packet.

3. The method according to claim 1 or 2, characterized in that the determination of a resource indication value (RIV) based on a frequency domain start position of the first resource, a frequency domain start position of the second resource, a first frequency domain bandwidth, and a second frequency domain bandwidth comprises: determining the RIV based on the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, the second frequency domain bandwidth, the square of the second frequency domain bandwidth, and a difference between the second frequency domain bandwidth and the first frequency domain bandwidth.

4. The method according to any of claims 1 to 3, characterized in that the relationship between RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV = f(N) — f(N—( L — V))+(N—(L— I) ) * Sa + Si , θη where represents the frequency domain start position of the first resource; Sr represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; N represents the second frequency domain bandwidth; So, Si, N and L are integers; and f(N) represents a function of an input value N.

5. The method according to claim 4, characterized in that f(N) satisfies: / (N)=N(N+l) (2N +1) / 6.

6. The method according to any of claims 1 to 5, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV = N(N + l)(2N + l) / 6 - (NL + l\NL + 2)(2N - 2L + 3) / 6 + {N - (Ll))*S0 + Sl, wherein So represents the frequency domain start position of the first resource; represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; and N represents the second frequency domain bandwidth, wherein N and L are integers.

7. The method according to any of claims 1 to 6, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV = Sr + So x (N - (L - 1)) + Σί=ι C^V + 1 - ¿)2, wherein So represents the frequency domain start position of the first resource; represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; and N represents the second frequency domain bandwidth, wherein N and L are integers.

8. The method according to claim 1 or 2, characterized in that the RIV is determined on the basis of an element or a combination of a plurality of elements of the following elements: N2, 50, 5,, (LD, {NL-Sj, (Nl-Sj, and / or N-L+l, wherein So represents the frequency domain start position of the first resource; represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; N represents the second frequency domain bandwidth; and So, Slt N, and L are integers.

9. The method according to claim 8, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: ^77 = / 7^(1-1)+( / 7-1+1)+5,, + 5, or W = / 72*( / 7-1+1)+L+( / 7-1-5,,)+( / 7-1-5,), ​​wherein N represents the second frequency domain bandwidth; L represents the first frequency domain bandwidth; So represents the frequency domain start position of the first resource; .Sj represents the frequency domain start position of the second resource; and So, Slt N, and L are integers.

10. The method according to any of claims 1 to 9, characterized in that the number of bits occupied by the resource indication information is less than or equal to a first threshold.

11. The method according to claim 10, characterized in that the first threshold is obtained according to a formula |_log2<'v<'v+1)(2'v+l) / 6> J or where N represents the second frequency domain bandwidth.

12. A resource determination method, characterized in that it comprises: receiving resource indication information from a first device in a third slot, wherein a resource indication information value is a resource indication value (RIV);and determining a frequency domain start position of a first resource in a first slot, a frequency domain start position of a second resource in a second slot, and a first frequency domain bandwidth based on the RIV, wherein the first slot and the second slot are subsequent to the third slot, the first resource and the second resource are candidate resources to be shipped from the first device, the first frequency domain bandwidth is either a frequency domain bandwidth of the first resource or a frequency domain bandwidth of the second resource, and the frequency domain bandwidth of the first resource is the same as the frequency domain bandwidth of the second resource.

13. The method according to claim 12, characterized in that the first device is a terminal device, or a base station, or a roadside unit.

14. The method according to claim 12 or 13, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV - f( N) -j{N-(1-1))+( N -(£-!))* 5., + 5,, wherein So represents the frequency domain start position of the first resource; Sr represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; N represents a second frequency domain bandwidth, wherein the second frequency domain bandwidth is a frequency domain bandwidth of a resource source; So, Slt N, and L are integers; and f(N) represents a function of an input value N.

15. The method according to claim 14, characterized in that f(N) satisfies: f(N)=l^N+l) (2 / V + l) / 6.

16. The method according to any of claims 12 to 15, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV ^N(N + ])(2N + \) / 6-{NL + \){NL + 2)[2N-2L + 3) / 6+(N-(L-\))*S0 + Si, wherein So represents the frequency domain start position of the first resource; represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; and N represents a second frequency domain bandwidth, wherein the second frequency domain bandwidth is a frequency domain bandwidth of a resource source, and N and L are integers.

17. The method according to any of claims 12 to 16, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV = Sr + So x (N - (L - 1)) + + 1 — O2, wherein So represents the frequency domain start position of the first resource; Sr represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; and N represents the second frequency domain bandwidth, wherein the second frequency domain bandwidth is the frequency domain bandwidth of the resource source, and N and L are integers.

18. The method according to claim 12, characterized in that the first frequency domain bandwidth is determined based on the RIV and the square of a second frequency domain bandwidth, and the second frequency domain bandwidth is a frequency domain bandwidth from a resource source.

19. The method according to claim 18, characterized in that the first frequency domain bandwidth satisfies: La + 1 La 0 L — N + l — a at a = \RIV / N2\ a = [RIV / N2l where a = RIV / N , LJ, 0 II; and L represents the first frequency domain bandwidth, and N represents the second frequency domain bandwidth.

20. The method according to any of claims 12 to 19, characterized in that the determination of a frequency domain start position of the first resource and a frequency domain start position of the second resource based on the RIV comprises: determining the frequency domain start position of the first resource and the frequency domain start position of the second resource based on the RIV and the second frequency domain bandwidth, wherein the second frequency domain bandwidth is the frequency domain bandwidth of the resource source.

21. The method according to any of claims 12 to 19, characterized in that the frequency domain start position of the first resource or the frequency domain start position of the second resource is determined on the basis of the RIV, the square of the second frequency domain bandwidth of the resource source, and the first frequency domain bandwidth, wherein the second frequency domain bandwidth is the frequency domain bandwidth of the resource source.

22. The method according to any of claims 12 to 21, RQRJ / n / ZZnZ / q / YIAI 68 characterized in that when a first value is less than or equal to a third limit, the frequency domain start position of the first resource or the frequency domain start position of the second resource is determined using RIV -N2 *(L-1), wherein L represents the first frequency domain bandwidth, and N represents the second frequency domain bandwidth, the second frequency domain bandwidth being the frequency domain bandwidth of the resource source, and the first value is determined by the RIV.

23. The method according to any of claims 12 to 22, characterized in that the frequency domain start position of the first resource satisfies: S^RIV-N2 and / or S^RIV-N2 *(£-l))mod( / V-£+l); or So g({íN2(NL + l) +{L + 1) {N-1)-RIV) / ή) and / or Sj = [CN2(N - L +1) +(L + 1) (N -1)-RIV)} modL , wherein g() represents a function for rounding up or rounding down an input variable, L represents the first frequency domain bandwidth, N represents the second frequency domain bandwidth, the second frequency domain bandwidth being the frequency domain bandwidth of the resource source, So represents the frequency domain start position of the first resource, and Si represents the frequency domain start position of the second resource.

24. The method according to any of claims 12 to 22, characterized in that when the first value is less than or equal to the third limit, the frequency domain start position of the first resource satisfies: S0^RIV-N2*(Ll)) / (NL + l); and the frequency domain start position of the second resource satisfies: S^RIV-N2 *(£-l))mod( / V-£+l), wherein L represents the first frequency domain bandwidth, N represents the second frequency domain bandwidth, So represents the frequency domain start position of the first resource, represents the frequency domain start position of the second resource, the second frequency domain bandwidth is the frequency domain bandwidth of the resource source, and the first value is determined by the RIV.

25. The method according to any of claims 12 to 21, characterized in that when a first value is greater than or equal to a fourth limit, the frequency domain start position of the first resource or the frequency domain start position of the second resource is determined using N2{N—L + ϊ); or the frequency domain start position of the first resource or the frequency domain start position of the second resource is determined using N2QN-L + D^L + V) {N — Ϊ) -RIV, wherein L represents the first frequency domain bandwidth, N represents the second frequency domain bandwidth, the second frequency domain bandwidth is the frequency domain bandwidth of the resource source, and the first value is determined by the RIV.

26. The method according to any of claims 12 to 25, characterized in that when the first value is greater than or equal to a fourth limit, the frequency domain starting position of the first resource satisfies: S0=^N2(NL + l)+(L + l)(Nl)-RIV) / l}^ or .8 / =^^(^-^+))+(^+1)(^-1)- / ^) / l}^; and / 0 the frequency domain starting position of the second resource satisfies: 5, = N - L +1) +(L +1) (N -1) - RIV)} mod L; wherein L represents the first frequency domain bandwidth, N represents the second frequency domain bandwidth, the second frequency domain bandwidth is the frequency domain bandwidth of the resource source, and the first value is determined by the RIV.

27. A communications apparatus, characterized in that it comprises: a processing module, configured to determine a first resource in a first slot and a second resource in a second slot, wherein the first resource and the second resource are to be used to send data, wherein the processing module is further configured to determine a resource indication value (RIV) based on a frequency domain start position of the first resource, a frequency domain start position of the second resource, a first frequency domain bandwidth, and a second frequency domain bandwidth, the RIV being used to indicate the frequency domain start position of the first resource and the frequency domain start position of the second resource,wherein the first frequency domain bandwidth is a frequency domain bandwidth of the first resource or a frequency domain bandwidth of the second resource, the frequency domain bandwidth of the first resource being the same as the frequency domain bandwidth of the second resource, and the second frequency domain bandwidth is a frequency domain bandwidth of a resource source; and a communications module, configured to send resource indication information in a third slot, wherein a value of the resource indication information is the RIV, the second slot and the first slot being subsequent to the third slot.

28. The apparatus according to claim 27, characterized in that the communications module is further configured to: send a first data packet into a third resource in the third slot, send a second data packet into the first resource, and send a third data packet into the second resource, wherein the second data packet and the third data packet are different from the first data packet, or the second data packet and the third data packet are data packets retransmitted from the first data packet.

29. The apparatus according to claim 27 or 28, characterized in that the processing module is configured to: determine the RIV based on the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, the second frequency domain bandwidth, the square of the second frequency domain bandwidth, and a difference between the second frequency domain bandwidth and the first frequency domain bandwidth.

30. The apparatus according to any of claims 27 to 29, characterized in that the relationship between RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV = ·^NΊ ~ f(N~(L ~ L~D s(i+s^ θη ¿θη^θ represents the frequency domain start position of the first resource; represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; N represents the second frequency domain bandwidth; So, Sr, N and L are integers; and f(N) represents a function of an input value N.

31. The apparatus according to claim 30, characterized in that f(N) satisfies: f(N}^N+l) (27 / + 1) / 6.

32. The method according to any of claims 27 to 31, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV =^(^ + 1)(2^+1) / 6-(^-1 + 1)(^-1 + 2)(2^-21 + 3) / 6+(^-(1-1))^0 + ^, wherein So represents the frequency domain start position of the first resource; represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; and N represents the second frequency domain bandwidth, wherein N and L are integers.

33. The method according to any of claims 27 to 32, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV = S± + So χ (N - (L - 1)) + Ztií / V + 1 - i)2, wherein S0 represents the frequency domain start position of the first resource; S1 represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; and N represents the second frequency domain bandwidth, wherein N and L are integers.

34. The apparatus according to claim 27 or 28, characterized in that the RIV is determined on the basis of an element or a combination of a plurality of elements of the following elements: N2, So, S{, (NL-So), (N-1-SJ, and / or N-L+l, wherein So represents the frequency domain start position of the first resource; Sr represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; N represents the second frequency domain bandwidth; and 50, Slt N and L are integers.

35. The apparatus according to claim 34, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: TÍ / V^^^L-lJ+t^-L+lJ^So + S! o ^ = N2*(N-i+1)+£*(N-I-50)+( / ν-1-ξ), wherein N represents the second frequency domain bandwidth; L represents the first frequency domain bandwidth; So represents the frequency domain start position of the first resource; represents the frequency domain start position of the second resource; and So, Slt N and L are integers.

36. The apparatus according to any of claims 27 to 35, characterized in that a number of bits occupied by resource indication information is less than or equal to a first threshold.

37. The apparatus according to claim 35, characterized in that the first threshold is obtained according to a formula ^]Og2®'v®v+ll<2'v+lo ^log2( / V( / v+l)(2A,+l! / 6)-|, where N represents the second frequency domain bandwidth.

38. A communications apparatus, characterized in that it comprises: a communications module, configured to receive resource indication information from a first device in a third slot, wherein a resource indication information value is a resource indication value (RIV);and a determination module, configured to determine a frequency domain start position of a first resource in a first slot, a frequency domain start position of a second resource in a second slot, and a first frequency domain bandwidth based on the RIV, wherein the first slot and the second slot are subsequent to the third slot, the first resource and the second resource are candidate resources to be shipped from the first device, the first frequency domain bandwidth is either a frequency domain bandwidth of the first resource or a frequency domain bandwidth of the second resource, and the frequency domain bandwidth of the first resource is the same as the frequency domain bandwidth of the second resource.

39. The apparatus according to claim 38, characterized in that the first device is a terminal device, or a base station, or a roadside unit.

40. The apparatus according to claim 38 or 39, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: xxo 1, wherein So represents the frequency domain start position of the first resource; SA represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; N represents a second frequency domain bandwidth, wherein the second frequency domain bandwidth is a frequency domain bandwidth of a resource source; So, Slt N, and L are integers; and / ( / V) represents a function of an input value N. RQRJ / n / ZZnZ / q / YIAI 41. The apparatus according to claim 40, characterized in that f(N) satisfies: / (N)=N{N+A) (27V +1) / 6.

42. The apparatus according to any of claims 38 to 41, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV = N(N + )) (2N + 1) / 6-(NL + ))(N-L+2)(2N-2L + 3) / 6+(N-(L-ϊ))*So + Sit where So represents the frequency domain start position of the first resource; represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; and N represents a second frequency domain bandwidth, wherein the second frequency domain bandwidth is a frequency domain bandwidth of a resource source, and N and L are integers.

43. The apparatus according to any of claims 38 to 42, characterized in that the relationship between the RIV and the frequency domain start position of the first resource, the frequency domain start position of the second resource, the first frequency domain bandwidth, and the second frequency domain bandwidth satisfies: RIV = S± + So x (N — (L — 1)) + Σ^ι(N +1 - O2, wherein So represents the frequency domain start position of the first resource; represents the frequency domain start position of the second resource; L represents the first frequency domain bandwidth; and N represents the second frequency domain bandwidth, wherein the second frequency domain bandwidth is the frequency domain bandwidth of the resource source, and N and L are integers.

44. The apparatus according to claim 38, characterized in that the first frequency domain bandwidth is determined based on the RIV and the square of a second frequency domain bandwidth, and the second frequency domain bandwidth is a frequency domain bandwidth from a resource source.

45. The apparatus according to claim 44, characterized in that the first frequency domain bandwidth satisfies: L = a + 1, L = a, or L = N + la, wherein a = RIV / N2, a = / N2 J , or a = RIV / N2 ; and L represents the first frequency domain bandwidth, and N represents the second frequency domain bandwidth.

46. ​​The apparatus according to any of claims 38 to 45, RPR7 / n / ZZnZ / q / YIAI 74 characterized in that the processing module is configured to determine the frequency domain start position of the first resource and the frequency domain start position of the second resource based on the RIV and the second frequency domain bandwidth, wherein the second frequency domain bandwidth is the frequency domain bandwidth of the resource source.

47. The apparatus according to any of claims 38 to 46, characterized in that the frequency domain start position of the first resource or the frequency domain start position of the second resource is determined on the basis of the RIV, the square of the second frequency domain bandwidth of the resource source, and the first frequency domain bandwidth, wherein the second frequency domain bandwidth is the frequency domain bandwidth of the resource source.

48. The apparatus according to any of claims 38 to 43, characterized in that when a first value is less than or equal to a third limit, the frequency domain start position of the first resource or the frequency domain start position of the second resource is determined using RIV — N2 *(L-1), wherein L represents the first frequency domain bandwidth, and N represents the second frequency domain bandwidth, the second frequency domain bandwidth being the frequency domain bandwidth of the resource source, and the first value is determined by the RIV.

49. The apparatus according to any of claims 38 to 48, characterized in that the frequency domain start position of the first resource satisfies: Sy(RIV-N2*(Ll)) / (N-L+l) and / or S,=(RIV-N2 *(¿-l))mod(N-¿+l); or So = g[{(.NXN-L + r) +(£ + !) (NI)-RIV) / L}} and / or Sj = ^N2(NL + 1) +(L + 1) CN-I)-RIV)}modL, where ) represents a function to round up or round down an input variable, L represents the first frequency domain bandwidth, N represents the second frequency domain bandwidth, the second frequency domain bandwidth is the frequency domain bandwidth of the resource source, 50 represents the frequency domain start position of the first resource, and represents the frequency domain start position of the second resource.

50. The apparatus according to any of claims 38 to 47, characterized in that when a first value is less than or equal to a third limit, the frequency domain start position of the first resource satisfies: RQRJ / n / ZZnZ / q / YIAI S^RIV-N2 ^Ll)) / (NL + l); and the frequency domain start position of the second resource satisfies: S^RIV-N2 *(L-1) )mod(NL + l), wherein L represents the first frequency domain bandwidth, N represents the second frequency domain bandwidth, So represents the frequency domain start position of the first resource, Sr represents the frequency domain start position of the second resource, the second frequency domain bandwidth is the frequency domain bandwidth of the resource source, and the first value is determined by the RIV.

51. The apparatus according to any of claims 38 to 47, characterized in that when a first value is greater than or equal to a fourth limit, the frequency domain start position of the first resource or the frequency domain start position of the second resource is determined using N2(NL + l); or the frequency domain start position of the first resource or the frequency domain start position of the second resource is determined using A / 2(7V —Á + l)-r(L + l) (7V-1)-RIV, wherein L represents the first frequency domain bandwidth, N represents the second frequency domain bandwidth, the second frequency domain bandwidth is the frequency domain bandwidth of the resource source, and the first value is determined by the RIV.

52. The apparatus according to any of claims 38 to 51, characterized in that when the first value is greater than or equal to a fourth limit, the frequency domain start position of the first resource satisfies: So —}}(N2(N — L + Γ)+(L + 1) (N— 1) —RIV) / L}J or 50 =P{(7V2(A^-L + l)+(£ + l)(A^-l)- / ^) / Z}^; and / or the frequency domain start position of the second resource satisfies: 5, = {(N2( N - L +1) +(L +1) (N -1) - RIV)} mod L; wherein L represents the first frequency domain bandwidth, N represents the second frequency domain bandwidth, the second frequency domain bandwidth is the frequency domain bandwidth of the resource source, and the first value is determined by the RIV.

53. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program or instructions; and when the computer program is executed or the instructions are executed by a communications apparatus, the method is implemented according to any one of claims 1 to 11, or the method is implemented according to any one of claims 12 to 26.

54. A computer program product, characterized in that it comprises a computer program or instructions, wherein when the computer program is executed or the instructions are executed by a communications apparatus, the communications apparatus is enabled to implement the method according to any one of claims 1 to 11, or the communications apparatus is enabled to implement the method according to any one of claims 12 to 26.

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