Electronic device and communication method

1. An electronic device for wireless communication, comprising:

processing circuitry configured to

determine whether to perform a pre-processing operation;

in response to determining to perform the pre-processing operation, determine parameters of the pre-processing operation; and

transmit indication information indicating whether the pre-processing operation is performed, wherein

the pre-processing operation is performed on a first one-dimensional sequence of modulation symbols,

the pre-processing operation includes performing a dimension-increasing conversion to convert the first one-dimensional sequence of modulation symbols into a first multi-dimensional modulation symbol block, and

the pre-processing operation further includes transforming the first multi-dimensional modulation symbol block into a second multi-dimensional modulation symbol block with a first transformation, wherein the first transformation couples each symbol in the first multi-dimensional modulation symbol block with each other.

2. The electronic device according to claim 1 , wherein the parameters are determined based on channel conditions or application scenarios.

3. The electronic device according to claim 1 , wherein the processing circuitry is further configured to determine whether to perform the pre-processing operation in response to receiving a request to enable the pre-processing operation.

4. The electronic device according to claim 1 , wherein the parameters of the pre-processing operation comprise one or more of the following:

dimensional parameters of a first multi-dimensional modulation symbol block, a size of each dimension of the first multi-dimensional modulation symbol block, and a type of coupling transformation.

5. The electronic device according to claim 4 , wherein the parameters of the pre-processing operation comprise the dimensional parameters of the first multi-dimensional modulation symbol block.

6. The electronic device according to claim 4 , wherein the parameters of the pre-processing operation comprise the size of each dimension of the first multi-dimensional modulation symbol block.

7. The electronic device according to claim 4 , wherein the parameters of the pre-processing operation comprise the type of the coupling transformation.

8. The electronic device according to claim 1 , wherein the pre-processing operation further includes:

performing a dimension-decreasing conversion to convert the second multi-dimensional modulation symbol block into a second one-dimensional sequence of modulation symbols, wherein the dimension-decreasing conversion is an inverse process of the dimension-increasing conversion; and

transmitting the second one-dimensional sequence of modulation symbols.

9. The electronic device of claim 1 , wherein:

the first multi-dimensional modulation symbol block and the second multi-dimensional modulation symbol block are a first two-dimensional modulation symbol block and a second two-dimensional modulation symbol block, respectively, and

the first transformation includes one of:

applying a one-dimensional Fourier transform to each row of the first two-dimensional modulation symbol block to obtain an intermediate two-dimensional modulation symbol block, and then applying a one-dimensional inverse Fourier transform to each column of the intermediate two-dimensional modulation symbol block to obtain the second two-dimensional modulation symbol block; or

applying a one-dimensional inverse Fourier transform to each column of the first two-dimensional modulation symbol block to obtain an intermediate two-dimensional modulation symbol block, and then applying a one-dimensional Fourier transform to each row of the intermediate two-dimensional modulation symbol block to obtain the second two-dimensional modulation symbol block.

10. An electronic device for wireless communication, comprising:

processing circuitry configured to

determine whether to perform a pre-processing operation;

in response to determining to perform the pre-processing operation, determine Parameters of the pre-processing operation; and

transmit indication information indicating whether the pre-processing operation is performed, wherein

the pre-processing operation is performed on a first one-dimensional sequence of modulation symbols,

the pre-processing operation includes performing a dimension-increasing conversion to convert the first one-dimensional sequence of modulation symbols into a first multi-dimensional modulation symbol block,

the performing of the dimension-increasing conversion to convert the first one-dimensional sequence of modulation symbols into the first multi-dimensional modulation symbol block includes:

sequentially populating, on a column-by-column basis, each respective column of the first multi-dimensional modulation symbol block with the first one-dimensional sequence of modulation symbols; or

sequentially populating, on a row-by-row basis, each respective row of the first multi-dimensional modulation symbol block with the first one-dimensional sequence of modulation symbols.

11. The electronic device according to claim 10 , wherein the parameters are determined based on channel conditions or application scenarios.

12. The electronic device according to claim 10 , wherein the processing circuitry is further configured to determine whether to perform the pre-processing operation in response to receiving a request to enable the pre-processing operation.

13. The electronic device according to claim 10 , wherein the parameters of the pre-processing operation comprise one or more of the following:

dimensional parameters of a first multi-dimensional modulation symbol block, a size of each dimension of the first multi-dimensional modulation symbol block, and a type of coupling transformation.

14. The electronic device according to claim 13 , wherein the parameters of the pre-processing operation comprise the dimensional parameters of the first multi-dimensional modulation symbol block.

15. The electronic device according to claim 13 , wherein the parameters of the pre-processing operation comprise the size of each dimension of the first multi-dimensional modulation symbol block.

16. The electronic device according to claim 13 , wherein the parameters of the pre-processing operation comprise the type of the coupling transformation.

17. A communication method, comprising:

determining, using processing circuitry, whether to perform a pre-processing operation;

in response to determining to perform the pre-processing operation, determining parameters of the pre-processing operation; and

transmitting indication information indicating whether the pre-processing operation is performed, wherein

the pre-processing operation is performed on a first one-dimensional sequence of modulation symbols,

the pre-processing operation includes performing a dimension-increasing conversion to convert the first one-dimensional sequence of modulation symbols into a first multi-dimensional modulation symbol block, and

the pre-processing operation further includes transforming the first multi-dimensional modulation symbol block into a second multi-dimensional modulation symbol block with a first transformation, wherein the first transformation couples each symbol in the first multi-dimensional modulation symbol block with each other.

18. The communication method according to claim 17 , wherein the parameters are determined based on channel conditions or application scenarios.

19. The communication method according to claim 17 , further comprising:

determining whether to perform the pre-processing operation in response to receiving a request to enable the pre-processing operation.

20. The communication method according to claim 17 , wherein the parameters of the pre-processing operation comprise one or more of the following:

dimensional parameters of a first multi-dimensional modulation symbol block, a size of each dimension of the first multi-dimensional modulation symbol block, and a type of coupling transformation.