METHOD FOR CONSTRUCTING FRAME STRUCTURES

US 20090016371A1
Filed: 07/07/2008
Published: 01/15/2009
Est. Priority Date: 07/12/2007
Status: Active Grant

First Claim

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1. A method of constructing a frame structure for data transmission, the method comprising:

generating a first section comprising data configured in a first format compatible with a first communication system;

generating a second section following the first section, the second section comprising data configured in a second format compatible with a second communication system, wherein the second format is different from the first format;

generating at least one non-data section containing information describing an aspect of data in at least one of the first section and the second section; and

combining the first section, the second section and the at least one non-data section to form the frame structure.

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Abstract

A method of constructing a frame structure for data transmission, the method comprising generating a first section comprising data configured in a first format compatible with a first communication system, generating a second section following the first section, the second section comprising data configured in a second format compatible with a second communication system, wherein the second format is different from the first format, generating at least one non-data section containing information describing an aspect of data in at least one of the first section and the second section, and combining the first section, the second section and the at least one non-data section to form the frame structure.

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50 Claims

1. A method of constructing a frame structure for data transmission, the method comprising:
- generating a first section comprising data configured in a first format compatible with a first communication system;
  
  generating a second section following the first section, the second section comprising data configured in a second format compatible with a second communication system, wherein the second format is different from the first format;
  
  generating at least one non-data section containing information describing an aspect of data in at least one of the first section and the second section; and
  
  combining the first section, the second section and the at least one non-data section to form the frame structure.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- - 2. The method of claim 1, wherein the non-data section comprises mapping information for at least one of the first section and the second section.
  - 3. The method of claim 1, wherein the non-data section comprises at least one of a preamble, a frame control header (FCH), a burst, and a map of at least one of the first section and the second section.
  - 4. The method of claim 3, wherein the second section follows the first section in at least one of time sequence and frequency spectrum.
  - 5. The method of claim 3, wherein the second format is compatible with a third system capable of supporting higher mobility than the first and the second systems.
  - 6. The method of claim 5, wherein pilots in the third system are denser than those in at least one of the first or second system.
  - 7. The method of claim 5, wherein each symbol in the third system has a shorter symbol period than that in at least one of the first or second system.
  - 8. The method of claim 1, wherein a portion of the second section may be in guard band or non-communicational region of the first system.
  - 9. The method of claim 1, wherein each of the first section and the second section carries at least one of uplink and downlink data.
  - 10. The method of claim 1, wherein the second section carries mapping information for data in the second section.

11. A method of generating a frame for a communication system having a first system and a second system, the method comprising:
- generating a first sub-frame for downlink transmission, wherein the first sub-frame comprises;
  
  a first region comprising first mapping information;
  
  a second region comprising second mapping information; and
  
  a third region carrying data to be transferred in the downlink transmission, the third region comprising a first sub-region and a second sub-region,wherein the first sub-region and second sub-region are defined by the first mapping information, the first sub-region being capable of carrying first data of the first system and the second sub-region being capable of carrying second data of the second system in the downlink transmission, andgenerating a second sub-frame for uplink transmission, wherein the second sub-frame comprises;
  
  a fourth region carrying data to be transferred in the uplink transmission, the fourth region comprising a third sub-region and a fourth sub-region,wherein the third sub-region and the fourth sub-region are defined by the second mapping information, the third sub-region being capable of carrying third data of the first system and the fourth sub-region being capable of carrying fourth data of the second system in the uplink transmission.
- View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
- - 12. The method of claim 11, wherein the second sub-region further comprises third mapping information for data placement in the second sub-region.
  - 13. The method of claim 11, wherein the third region further comprises a fifth sub-region, the fifth sub-region being capable of carrying fifth data of the first system or the second system under high mobility in the downlink transmission.
  - 14. The method of claim 13, wherein pilots in the fifth sub-region are denser than those in at least one of the first or second system.
  - 15. The method of claim 13, wherein each symbol in the fifth sub-region has a shorter symbol period than that in at least one of the first or second system.
  - 16. The method of claim 13, wherein the fifth sub-region is defined by the first mapping information.
  - 17. The method of claim 13, wherein the fifth sub-region further comprises fourth mapping information for defining data placement in the fifth sub-region.
  - 18. The method of claim 13, wherein the fourth region further comprises a sixth sub-region, the sixth sub-region being capable of carrying sixth data of the first system or the second system under high mobility in the uplink transmission.
  - 19. The method of claim 18, wherein pilots in the sixth sub-region are denser than those in at least one of the first or second system.
  - 20. The method of claim 18, wherein each symbol in the sixth sub-region has a shorter symbol period that that in at least one of the first or second system.
  - 21. The method of claim 18, wherein the sixth sub-region is defined by the second mapping information.
  - 22. The method of claim 18, wherein the sixth sub-region further comprises fifth mapping information for defining data placement in the sixth sub-region.

23. A method of generating a frame for transferring data in a communication system, the communication system comprising a first system and a second system, the method comprising:
- generating a first frame comprising a first sub-frame for downlink transmission and a second sub-frame for uplink transmission in a first band;
  
  generating a second frame comprising a third sub-frame for downlink transmission and a fourth sub-frame for uplink transmission in a second band;
  
  identifying a guard band between the first band and the second band; and
  
  generating a third frame comprising a fifth sub-frame for downlink transmission and a sixth sub-frame for uplink transmission in the guard band.
- View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
- - 24. The method of claim 23, wherein at least one of the first sub-frame or the third sub-frame comprises:
    - a first region comprising first mapping information;
      
      a second region comprising second mapping information; and
      
      a third region carrying data to be transferred in the downlink transmission, the third region comprising a first sub-region and a second sub-region,wherein the first sub-region and second sub-region are defined by the first mapping information, the first sub-region being capable of carrying first data of the first system and the second sub-region being capable of carrying second data of the second system in the downlink transmission.
  - 25. The method of claim 23, wherein at least one of the second sub-frame or the fourth sub-frame comprises:
    - a fourth region carrying data to be transferred in the uplink transmission, the fourth region comprising a third sub-region and a fourth sub-region,wherein the third sub-region and the fourth sub-region are defined by the second mapping information, the third sub-region being capable of carrying third data of the first system and the fourth sub-region being capable of carrying fourth data of the second system in the uplink transmission.
  - 26. The method of claim 24, wherein the second sub-region further comprises third mapping information for data placement in the second sub-region.
  - 27. The method of claim 24, wherein the third region further comprises a fifth sub-region, the fifth sub-region being capable of carrying fifth data of the first system or the second system under high mobility in the downlink transmission.
  - 28. The method of claim 27, wherein pilots in the fifth sub-region are denser than those in at least one of the first or second system.
  - 29. The method of claim 27, wherein each symbol in the fifth sub-region has a shorter symbol period than that in at least one of the first or second system.
  - 30. The method of claim 27, wherein the fifth sub-region is defined by the first mapping information.
  - 31. The method of claim 27, wherein the fifth sub-region further comprises fourth mapping information for defining data placement in the fifth sub-region.
  - 32. The method of claim 27, wherein the fourth region further comprises a sixth sub-region, the sixth sub-region being capable of carrying sixth data of the first system or the second system under high mobility in the uplink transmission.
  - 33. The method of claim 32, wherein pilots in the sixth sub-region are denser than those in at least one of the first or second system.
  - 34. The method of claim 32, wherein each symbol in the sixth sub-region has a shorter symbol period than that in at least one of the first or second system.
  - 35. The method of claim 32, wherein the sixth sub-region is defined by the second mapping information.
  - 36. The method of claim 32, wherein the sixth sub-region further comprises fifth mapping information for defining data placement in the sixth sub-region.
  - 37. The method of claim 23, further comprising a band between the first frame and the third frame, wherein the band is applicable for carrying data of the first system or the second system.
  - 38. The method of claim 35, wherein the band further comprises sixth mapping information defining first placement of the data carried by the band.
  - 39. The method of claim 35, wherein the third mapping information defines second placement of the data carried by the band.

40. A method of allocating information in a frame of a communication system, the communication system comprising a first system and a second system, the frame configured for performing first data transmission of the first system and second data transmission of the second system, the method comprising:
- allocating data of the first system and the second system in first mapping information;
  
  dividing a data region of the frame to form a first sub-region and a second sub-region according to the first mapping information;
  
  performing the first data transmission of the first system by using the first sub-region; and
  
  performing the second data transmission of the second system by using the second sub-region.
- View Dependent Claims (41, 42, 43, 44, 45)
- - 41. The method of claim 40, further comprising:
    - allocating data of the second system carried in the second sub-region in a second mapping information.
  - 42. The method of claim 40, wherein the frame further comprising third data transmission of the first system or the second system under high mobility, the method further comprising:
    - further dividing the data region of the frame into the first sub-region, the second sub-region and a third region according to the first mapping information;
      
      performing the third data transmission of the first system or the second system by using the third sub-region.
  - 43. The method of claim 42, wherein pilots in the third sub-region are denser than those in at least one of the first or second sub-region.
  - 44. The method of claim 42, wherein each symbol in the third sub-region has a shorter symbol period than that in at least one of the first or second sub-region.
  - 45. The method of claim 42, further comprising:
    - allocating data of the first system or the second system carried in the third sub-region in third mapping information.

46. A method of allocating information in a frame of a communication system, the frame comprising a first frame, a second frame and a band between the first frame and the second frame, the communication system comprising a first system and a second system, the frame configured for performing first data transmission of the first system and second data transmission of the second system, the method comprising:
- allocating data of the first system and the second system in first mapping information or second mapping information;
  
  dividing a data region of the first frame or the second frame to form a first sub-region, a second sub-region, a third sub-region or a second sub-region in the data region of the first frame or the second frame according to the first mapping information or the second mapping information;
  
  performing the first data transmission of the first system by using the first sub-region or the third sub-region; and
  
  performing the second data transmission of the second system by using the second sub-region or the fourth sub-region.
- View Dependent Claims (47, 48, 49, 50)
- - 47. The method of claim 46, wherein the frame further comprising third data transmission of the first system or the second system under high mobility, the method further comprising:
    - further dividing the data region of the first frame or the second frame to form a fifth sub-region or a sixth sub-region according to the first mapping information; and
      
      performing the third data transmission of the first system or the second system by using the fifth sub-region or the sixth sub-region.
  - 48. The method of claim 47, wherein pilots in one of the fifth and sixth sub-regions are denser than those in the data region of the first or the second frame other than the fifth and sixth sub-regions.
  - 49. The method of claim 47, wherein each symbol in one of the fifth and sixth sub-regions has a shorter symbol period that that in the data region of the first or the second frame other than the fifth and sixth sub-regions.
  - 50. The method of claim 46, further comprising:
    - carrying data of the first system or the second system by the band.

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Current Assignee
UNM Rainforest Innovations (f/k/a STC.UNM) (The University of New Mexico)
Original Assignee
Industrial Technology Research Institute
Inventors
HSIAO, Chang-Lung, CHEN, Ren-Jr, TING, Pang-An, ZHENG, Yan-Xiu

Granted Patent

US 8,265,096 B2
Time in Patent Office

Days
Field of Search
US Class Current

370/431
CPC Class Codes

H04L 27/2602   Signal structure

H04L 27/2603   Signal structure ensuring b...

H04L 5/0007   the frequencies being ortho...

H04L 5/0044   allocation of payload

H04L 5/0048   Allocation of pilot signals...

METHOD FOR CONSTRUCTING FRAME STRUCTURES

First Claim

3 Assignments

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Abstract

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50 Claims

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METHOD FOR CONSTRUCTING FRAME STRUCTURES

First Claim

3 Assignments

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Abstract

42 Citations

50 Claims

Specification

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