Determination method and apparatus, communication node, and storage medium

1 . A determination method, comprising:

determining a comb and an orthogonal cover code of a positioning reference signal; and

determining, based on a value of the comb and a feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal;

wherein the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively (k1′)L, (k2′)L, . . . (kK′) L or (k1′, k2′, . . . , kK′)L,

where k1′, k2′ . . . kK′ are integers from 0 to K−1 and different from each other,

K is the value of the comb,

L is the length of the orthogonal cover code,

(*) L means that the content in the bracket is repeated for L times, and

both K and L are positive integers.

2 . The method of claim 1 , wherein the feature of the orthogonal cover code comprises at least one of a type, a time domain length, a time domain interval, and a frequency domain length; and

the type comprises at least one of a time domain orthogonal cover code, a frequency domain orthogonal cover code, and a time-frequency domain orthogonal cover code.

3 . The method of claim 1 , wherein, determining, based on the value of the comb and the feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal, comprises:

determining the minimum number of symbols of the positioning reference signal based on a product of the value of the comb and the time domain length of the orthogonal cover code, and

determining resource element offsets corresponding to symbols corresponding to the positioning reference signal, the number of symbols corresponding to the positioning reference signal being greater than or equal to the minimum number of symbols of the positioning reference signal;

wherein, the resource element offsets corresponding to a same orthogonal cover code are identical, and the resource element offsets corresponding to different orthogonal cover codes are different.

4 . The method of claim 1 , wherein, determining, based on the value of the comb and the feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal, comprises:

determining the minimum number of symbols of the positioning reference signal based on the value of the comb, and

determining at least one of resource element offsets and frequency domain resource element indexes corresponding to symbols corresponding to the positioning reference signal,

wherein the number of symbols corresponding to the positioning reference signal is greater than or equal to the minimum number of symbols of the positioning reference signal, and

the frequency domain resource element index corresponding to a same orthogonal cover code is determined by the resource element offset of the same symbol and the frequency domain length of the orthogonal cover code.

5 . The method of claim 1 , wherein, determining, based on the value of the comb and the feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal comprises:

determining the minimum number of symbols of the positioning reference signal based on a product of the value of the comb and the time domain length of the orthogonal cover code, and

determining at least one of resource element offsets and frequency domain resource element indexes corresponding to symbols corresponding to the positioning reference signal,

wherein the number of symbols corresponding to the positioning reference signal is greater than or equal to the minimum number of symbols of the positioning reference signal, and

the frequency domain resource element index corresponding to a same orthogonal cover code is determined by the resource element offset of the same symbol and the frequency domain length of the orthogonal cover code.

6 . The method of claim 1 , wherein, determining, based on the value of the comb and the feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal, comprises at least one of:

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 2, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 1, 1;

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 4, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 2, 2, 1, 1, 3, 3;

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 6, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 3, 3, 1, 1, 4, 4, 2, 2, 5, 5;

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 8, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 4, 4, 2, 2, 6, 6, 1, 1, 5, 5, 3, 3, 7, 7; and

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 12, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 6, 6, 3, 3, 9, 9, 1, 1, 7, 7, 4, 4, 10, 10, 2, 2, 8, 8, 5, 5, 11, 11.

7 . The method of claim 1 , wherein, determining, based on the value of the comb and the feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal, comprises at least one of:

in response to the time domain length of the orthogonal cover code being 4 and the value of the comb being 2, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 0, 0, 1, 1, 1, 1;

in response to the time domain length of the orthogonal cover code being 4 and the value of the comb being 4, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 0, 0, 2, 2, 2, 2, 1, 1, 1, 1, 3, 3, 3, 3; and

in response to the time domain length of the orthogonal cover code being 4 and the value of the comb being 6, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 0, 0, 3, 3, 3, 3, 1, 1, 1, 1, 4, 4, 4, 4, 2, 2, 2, 2, 5, 5, 5, 5.

8 . The method of claim 1 , wherein, determining, based on the value of the comb and the feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal, comprises at least one of:

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 2, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 1, 0, 1;

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 4, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 2, 1, 3, 0, 2, 1, 3;

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 6, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 3, 1, 4, 2, 5, 0, 3, 1, 4, 2, 5;

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 8, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 4, 2, 6, 1, 5, 3, 7, 0, 4, 2, 6, 1, 5, 3, 7; and

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 12, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 6, 3, 9, 1, 7, 4, 10, 2, 8, 5, 11, 0, 6, 3, 9, 1, 7, 4, 10, 2, 8, 5, 11.

9 . The method of claim 1 , wherein, determining, based on the value of the comb and the feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal, comprises at least one of:

in response to the time domain length of the orthogonal cover code being 4 and the value of the comb being 2, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 1, 0, 1, 0, 1, 0, 1;

in response to the time domain length of the orthogonal cover code being 4 and the value of the comb being 4, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 2, 1, 3, 0, 2, 1, 3, 0, 2, 1, 3, 0, 2, 1, 3; and

in response to the time domain length of the orthogonal cover code being 4 and the value of the comb being 6, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 3, 1, 4, 2, 5, 0, 3, 1, 4, 2, 5, 0, 3, 1, 4, 2, 5, 0, 3, 1, 4, 2, 5.

10 . The method of claim 1 , wherein, determining, based on the value of the comb and the feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal comprises at least one of:

in response to the frequency domain length of the orthogonal cover code being 2 and the value of the comb being 2, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 2; and

in response to the frequency domain length of the orthogonal cover code being 2 and the value of the comb being 4, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 4, 2.

11 . The method of claim 1 , wherein the determining, based on the value of the comb and the feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal comprises at least one of the following:

in response to the time domain length of the orthogonal cover code being 2 and the value of the comb being 2, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 2, 2; and

in response to the type of the orthogonal cover code being time-frequency domain orthogonal cover code, the time domain length of the orthogonal cover code being 2 and the value of the comb being 4, the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively 0, 0, 4, 4, 2, 2.

12 . The method of claim 10 , wherein the frequency domain resource element index of an i th symbol is an index corresponding to M consecutive resource elements starting with the resource element offset on a k th symbol, where i, k and M are all positive integers and M is the frequency domain length of the orthogonal cover code.

13 . A communication node, comprising:

at least one processer; and

a memory device configured to store at least one program;

wherein the at least one program, when executed by the at least one processor, causes the at least one processor to carry out the determination method of claim 1 .

14 . A non-transitory computer readable storage medium storing computer programs which, when executed by a processor, cause the processor to carry out a determination method, the method comprising:

determining a comb and an orthogonal cover code of a positioning reference signal; and

determining, based on a value of the comb and a feature of the orthogonal cover code, a resource element offset corresponding to each symbol corresponding to the positioning reference signal;

wherein the resource element offset corresponding to each symbol corresponding to the positioning reference signal is successively (k1′)L, (k2′)L, . . . , (kK′) L or (k1′, k2′, . . . , kK′)L, where k1′, k2′ . . . kK′ are integers from 0 to K−1 and different from each other,

K is the value of the comb,

L is the length of the orthogonal cover code,

(*) L means that the content in the bracket is repeated for L times, and

both K and L are positive integers.

15 . The method of claim 11 , wherein the frequency domain resource element index of an i th symbol is an index corresponding to M consecutive resource elements starting with the resource element offset on a k th symbol,

where i, k and M are all positive integers and M is the frequency domain length of the orthogonal cover code.