Transmission methods, devices, optical communication equipment, and storage media

Abstract

Embodiments of the present disclosure disclose a transmission method, apparatus, optical communication equipment, and storage medium. The method includes a first device mapping a service to a first frame, the first frame including a first overhead portion, the first overhead portion being used for differential cumulative information to be placed or filled, and the first overhead portion including a plurality of portions for the same differential cumulative information to be placed or filled.

Claims

1. A transmission method applicable to the first device, wherein the method is A transmission method comprising a first device mapping a service to a first frame, the first frame including a first overhead portion, the first overhead portion being used for arranging or filling differential cumulative information, and the first overhead portion being capable of arranging or filling multiple identical differential cumulative pieces of information.

2. The method according to claim 1, wherein each differential cumulative information occupies one byte within the first overhead portion.

3. The method according to claim 1, wherein multiple identical differential cumulative pieces of information can be placed or filled in different rows of the first overhead portion.

4. The first part for which the differential cumulative information in each row within the first overhead part is placed or filled is used for placing or filling the differential cumulative information for the current time, and / or, The method according to claim 1, wherein any portion other than the first overhead portion, for which differential cumulative information in each row within the first overhead portion is placed or filled, is used for placing or filling differential cumulative information for past time.

5. The method according to claim 1, wherein the first portion for which the differential cumulative information in each row within the first overhead portion is placed or filled corresponds to the same column number.

6. The method according to claim 1, wherein the first frame further includes a second overhead portion, the second overhead portion being used to place or fill a first inspection code determined based on differential cumulative information.

7. The three identical differential cumulative information pieces can be placed or filled in the i-th, i+1-th, and i+2-th rows of the first overhead portion, respectively, where i is 1 or 2, or The three identical differential cumulative information pieces can be placed or filled in the third row, fourth row, and first row of the first overhead portion of the next frame, respectively, or The method according to claim 1, wherein three identical differential cumulative pieces of information can be placed or filled in the fourth row of the first overhead portion, the first row and the second row of the first overhead portion of the next frame, respectively.

8. The aforementioned method, The method according to claim 1, further comprising multiplexing or mapping a first frame into a second frame and transmitting the second frame.

9. The aforementioned cumulative difference information represents the cumulative difference for the specified parameter during the process in which the second frame is transmitted from the first device and arrives at the current device, and / or The method according to any one of claims 1 to 8, wherein the cumulative difference information includes a cumulative phase difference and / or a cumulative frequency difference.

10. A transmission method applicable to a second device, wherein the method is A transmission method comprising a second device receiving a second frame, the second frame containing a first frame, the first frame containing a first overhead portion, the first overhead portion being used for arranging or filling differential cumulative information, and the first overhead portion being capable of containing or filling multiple identical differential cumulative pieces of information.

11. The aforementioned cumulative difference information represents the cumulative difference for the specified parameter during the process in which the second frame is transmitted from the first device and arrives at the current device, and / or The method according to claim 10, wherein the cumulative difference information includes a cumulative phase difference and / or a cumulative frequency difference.

12. The aforementioned method, The second frame is demultiplexed or demappled to the first frame, The first phase difference and / or first frequency difference after the second frame has passed through each second device is determined, wherein the first phase difference includes the phase difference the second frame has passed through the second device, or includes the cumulative phase difference the second frame has passed through the second device and other second devices, and the first frequency difference includes the frequency difference the second frame has passed through the second device, or includes the cumulative frequency difference the second frame has passed through the second device and other second devices. The first phase difference and / or the first frequency difference are arranged or filled in the first overhead portion of the first frame, The method according to claim 10 or 11, further comprising mapping or multiplexing the first frame to a second frame.

13. The method according to claim 10, wherein each differential cumulative information occupies one byte within the first overhead portion.

14. The method according to claim 10, wherein multiple identical differential cumulative pieces of information can be placed or filled in different rows of the first overhead portion.

15. The first part for which the differential cumulative information in each row within the first overhead part is placed or filled is used for placing or filling the differential cumulative information for the current time, and / or, The method according to claim 10, wherein any portion other than the first overhead portion, for which differential cumulative information in each row within the first overhead portion is placed or filled, is used for placing or filling differential cumulative information for past time.

16. The method according to claim 10, wherein the first portion for which the differential cumulative information in each row within the first overhead portion is placed or filled corresponds to the same column number.

17. The three identical differential cumulative information pieces can be placed or filled in the i-th, i+1-th, and i+2-th rows of the first overhead portion, respectively, where i is 1 or 2, or The three identical differential cumulative information pieces can be placed or filled in the third row, fourth row, and first row of the first overhead portion of the next frame, respectively, or The method according to claim 10, wherein three identical differential cumulative pieces of information can be placed or filled in the fourth row of the first overhead portion, the first row and the second row of the first overhead portion of the next frame, respectively.

18. The aforementioned method, The method according to claim 10, further comprising the second device performing a majority vote determination or majority vote based on a plurality of identical differential cumulative pieces of information in the first overhead portion to obtain the correct differential cumulative information.

19. The aforementioned method, The method according to claim 12, further comprising transmitting a second frame after processing.

20. The method according to claim 10, wherein the frequency at which the differential cumulative information is acquired or obtained by calculation, or the sampling frequency of the phase detector in the second device, is less than or equal to the transmission frequency of the second frame.

21. The second device mentioned above receives the second frame. The second device receives the second frame transmitted from the first device, or The method according to claim 12, wherein the second device receives a second frame transmitted from another second device, the second frame being from the first device, and the second frame includes a third phase difference or a third frequency difference, the third phase difference representing the cumulative phase difference of the second frame through the other second device, and the third frequency difference representing the cumulative frequency difference of the second frame through the other second device.

22. Determining the first phase difference after the aforementioned second frame has passed through each second device means that Obtain a second phase difference between the first phase representing the phase of the received second frame and the second phase representing the phase of the local clock of the second device or the phase of the second frame to be transmitted, and determine the second phase difference as the first phase difference, or The method according to claim 21, comprising obtaining a second phase difference between a first phase representing the phase of the received second frame and a second phase representing the phase of the local clock of the second device or the phase of the second frame to be transmitted, and determining the first phase difference according to the second phase difference and the third phase difference.

23. Determining the first frequency difference after the second frame has passed through each second device means that Obtain a second frequency difference between a first frequency representing the frequency of the received second frame and a second frequency representing the local clock frequency of the second device or the frequency of the second frame to be transmitted, and determine the second frequency difference as the first frequency difference, or The method according to claim 21, comprising obtaining a second frequency difference between a first frequency representing the frequency of the received second frame and a second frequency representing the frequency of the local clock of the second device or the frequency of the second frame to be transmitted, and determining the first frequency difference according to the second frequency difference and the third frequency difference.

24. The first frame further includes a second overhead portion, which is used to place or fill in a first check code determined based on differential cumulative information. The method according to claim 12, further comprising the second device determining a first inspection code based on differential cumulative information, and filling or arranging the first inspection code in the second overhead portion.

25. When the second device receives a second frame transmitted from another second device, the method The method according to claim 24, further comprising the second device performing an inspection based on a first inspection code filled or placed in the second overhead portion.

26. A transmission method applicable to a third device, wherein the method is The third device receives a second frame transmitted from the second device and demapping or demultiplexes the second frame into a first frame, wherein the first frame includes a first overhead portion containing arranged or filled differential cumulative information, and the first overhead portion contains multiple identical differential cumulative information. A transmission method that includes obtaining clock information or frequency information of the first frame based on the differential cumulative information.

27. The method according to claim 26, wherein each differential cumulative information occupies one byte within the first overhead portion.

28. The method according to claim 26, wherein multiple identical differential cumulative pieces of information are arranged or filled in different rows of the first overhead portion.

29. The first part for which the differential cumulative information in each row within the first overhead part is placed or filled is used for placing or filling the differential cumulative information for the current time, and / or, The method according to claim 26, wherein any portion other than the first overhead portion, for which differential cumulative information in each row within the first overhead portion is placed or filled, is used for placing or filling differential cumulative information for past time.

30. The method according to claim 29, wherein the first part for arranging or filling the differential cumulative information in each row within the first overhead part corresponds to the same column number.

31. The three identical differential cumulative information pieces are placed or filled in the i-th, i+1-th, and i+2-th rows of the first overhead portion, respectively, where i is 1 or 2, or The three identical differential cumulative information pieces are placed or filled in the third row, fourth row, and first row of the first overhead portion of the next frame, respectively, or The method according to claim 26, wherein three identical differential cumulative pieces of information are placed or filled in the fourth row of the first overhead portion, the first row and the second row of the first overhead portion of the next frame, respectively.

32. The aforementioned method, The method according to claim 26, further comprising the third device performing a majority vote determination or majority vote based on a plurality of identical differential cumulative pieces of information within the first overhead portion to obtain the correct differential cumulative information.

33. The first frame further includes a second overhead portion, which is used to place or fill in a first check code determined based on differential cumulative information. The method according to claim 26, further comprising the third device performing an inspection based on a first inspection code filled or placed in the second overhead portion.

34. The aforementioned cumulative difference information represents the cumulative difference for the specified parameter during the process in which the second frame is transmitted from the first device and arrives at the current device, and / or The method according to claim 26, wherein the cumulative difference information includes a cumulative phase difference and / or a cumulative frequency difference.

35. A transmission device comprising a first processing unit configured to map a service to a first frame, the first frame comprising a first overhead portion, the first overhead portion being used for locating or filling differential cumulative information, and the first overhead portion being capable of locating or filling multiple identical differential cumulative pieces of information.

36. A transmission device, the device comprising a second communication unit configured to receive a second frame, the second frame comprising a first frame, the first frame comprising a first overhead portion, the first overhead portion being used for arranging or filling differential cumulative information, and the first overhead portion being capable of arranging or filling multiple identical portions of differential cumulative information.

37. A transmission device, A third communication unit configured to receive the second frame transmitted from the second device, A transmission device comprising a third processing unit configured to demaplate or demultiplex the second frame into a first frame, wherein the first frame includes a first overhead portion containing arranged or filled differential cumulative information, the first overhead portion includes a plurality of identical differential cumulative information portions, and the third processing unit is further configured to obtain clock information or frequency information of the first frame based on the differential cumulative information.

38. A computer-readable storage medium storing a computer program, wherein when the program is executed by a processor, the steps of the method according to any one of claims 1 to 9 are realized, or When the program is executed by the processor, a step of the method according to any one of claims 10 to 25 is realized, or A computer-readable storage medium, wherein when the program is executed by a processor, the steps of the method according to any one of claims 26 to 34 are realized.

39. An optical communication device comprising memory, a processor, and a computer program stored in memory and operable on the processor, wherein when the processor executes the program, a step of the method according to any one of claims 1 to 9 is realized, or When the processor executes the program, a step of the method according to any one of claims 10 to 25 is realized, or An optical communication device wherein, when the processor executes the program, a step of the method according to any one of claims 26 to 34 is realized.

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