Method and apparatus using a multi-carrier forward link in a wireless communication system

• US 8,064,409 B1
• Filed: 08/25/1999
• Issued: 11/22/2011
• Est. Priority Date: 08/25/1999
• Status: Expired due to Term

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Gardner, William R., Tiedemann, Edward G. Jr.
• Primary Examiner(s): MARCELO, MELVIN C
• Application Number:
  US09/382,438
• Time in Patent Office: 4,472 Days
• Field of Search: 370/335, 370/337, 370/342, 370/374, 370/348, 370/321, 370/330, 370/465, 370/468, 370/464, 370/311, 370/343, 370/322, 370/441, 370/442, 370/443, 370/444, 375/200, 375/825.08
• US Class Current: 370/335
• CPC Class Codes: H04B 1/707 using direct sequence modulation
• CPC Class Codes: H04B 7/2634 for channel frequency control
• CPC Class Codes: H04W 28/18 Negotiating wireless communication parameters
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA

Abstract

A method and apparatus that allows a telecommunications system using cdma2000 1× to easily migrate to using cdma2000 3×. In other embodiments, the invention provides for better spectrum management, allows concurrent usage of a standard cdma2000 1× reverse link with a cdma2000 1× time-division-duplexing (TDD) reverse link, and provides for hardware supplementation—as opposed to total replacement—when additional services are added to an existing code-division-multiple-access (CDMA) system.

Claims

1. A method in a wireless communication system, comprising:

designating a multi-carrier forward link having a plurality of forward link frequency bins allocated to carry different types of payload data; and

designating a reverse link having at least one reverse link frequency bin, wherein the designation is responsive to loading and wherein the forward link frequency bins and the at least one reverse link frequency bin are designated such that bandwidth of the forward link can be allocated differently from bandwidth of the reverse link, and further wherein the forward link frequency bins and the at least one reverse link frequency bin comprise signals obtained by code spreading in the time domain, and further wherein each of the forward link bins and the at least one reverse link frequency bin are allocated for single-carrier CDMA communication within the respective bin.

2. The method of claim 1 further comprising:

selecting a first forward link frequency bin from the plurality of forward link frequency bins for forward link transmission, the first forward link frequency bin having an associated first reverse link frequency bin; and

selecting a second reverse link frequency bin for reverse link transmission corresponding to the forward link transmission wherein the second reverse link frequency bin is different from the first reverse link frequency bin.

3. The method of claim 2 wherein the selecting a second reverse link frequency bin is based on loading of the system.

4. The method of claim 2, further comprising:

selecting a third reverse link frequency bin for reverse link transmission corresponding to the forward link transmission, wherein the third reverse link frequency bin is different from the first and second reverse link frequency bins.

5. The method of claim 1, wherein said plurality of forward link frequency bins comprise three frequency bins.

6. The method of claim 1, wherein said plurality of forward link frequency bins are adjacent frequency bins.

7. The method of claim 2, wherein said multi-carrier forward link is adapted for transmission of a plurality of code channels, wherein one of said plurliayt of code channels is used to communicate power control information for said second reverse link frequency bin.

8. The method of claim 1, wherein the designations of the forward and reverse link includes allocating more bandwidth for the forward link than the reverse link.

9. The method of claim 1, wherein the designation of the forward link includes configuring the forward link as a cdma2000 3×

forward link.

10. The method of claim 9, wherein the forward link includes first, second, and third carriers.

11. The method of claim 10, wherein said first, second, and third carriers occupy first, second, and third adjacent frequency bins, respectively.

12. The method of claim 11, wherein the designation of the reverse link includes configuring the reverse link as a cdma2000 1×

reverse link.

13. The method of claim 12, wherein the reverse link includes a fourth carrier.

14. The method of claim 13, wherein the fourth carrier is located in a frequency range similar to the second frequency bin.

15. The method of claim 1, wherein forward link data is allocated to each of the forward link frequency bins depending on a data type of the forward link data.

16. A method of allocating bandwidth for forward and reverse link transmissions in a wireless communication system, comprising:

receiving communications on a multi-carrier forward link, the multi-carrier forward link having a plurality of forward link frequency bins allocated to carry different types of payload data, the reverse link having at least one frequency bin, wherein the at least one frequency bin of the reverse link is selected responsive to loading;

wherein the forward link bins and the at least one reverse link frequency bins are configured such that the allocation of bandwidth for the forward and reverse link transmissions can be varied, and further wherein the forward link frequency bins and the at least one reverse link frequency bin comprise signals obtained by code spreading in the time domain, and further wherein each of the forward link bins and the at least one reverse link frequency bin are allocated for single-carrier CDMA communication within the respective bin.

17. The method of claim 16, further comprising:

receiving by a first device a communication on a forward link frequency bin, the forward link frequency bin having an associated first reverse link frequency bin; and

transmitting by a second device via a second reverse link frequency bin, wherein said second reverse link frequency bin is different from the first reverse link frequency bin.

18. The method of claim 17, further comprising:

receiving by the first device an indication of a reverse link frequency bin.

19. An apparatus in a wireless communication system, comprising:

a first means for transmitting information on a multi-carrier forward link, wherein said multi-carrier forward link comprises a plurality of forward link frequency bins allocated to carry different types of payload data; and

a second means for designating a reverse link frequency bin, wherein the designation is responsive to loading, and further wherein said first and second means configure the frequency bins so as to enable differential allocation of bandwidth for forward link and reverse link transmissions, and further wherein the forward link frequency bins and the at least one reverse link frequency bin comprise signals obtained by code spreading in the time domain, and further wherein each of the forward link bins and the at least one reverse link frequency bin are allocated for single-carrier CDMA communication within the respective bin.

20. The apparatus of claim 19, further comprising:

means for selecting a first forward link frequency bin from the plurality of forward link frequency bins for the forward link transmission, the first forward link frequency bin having an associated first reverse link frequency bins; and

means for selecting a second reverse link frequency bin for the reverse link transmission corresponding to the forward link transmission, wherein the second reverse link frequency bin is different from the first reverse link frequency bin.

21. A method in a wireless communication system, comprising:

designating a multi-carrier forward link having a plurality of forward link frequency bins allocated to carry different types of payload data; and

designating a reverse link having a plurality of reverse link frequency bins, wherein the designation is responsive to loading, and further wherein a subset of the reverse link frequency bins are time-division-duplexed, wherein the forward link frequency bins and the reverse link frequency bins are designated such that bandwidth of the forward link can be allocated differently from bandwidth of the reverse link, and further wherein the forward link frequency bins and the reverse link frequency bins comprise signals obtained by code spreading in the time domain.

22. A method in a wireless communication system, comprising:

designating a multi-carrier forward link having a plurality of forward link frequency bins allocated to carry different types of payload data; and

designating a reverse link having at least one reverse link frequency bin, wherein the designation is responsive to loading and wherein the forward link frequency bins and the at least one reverse link frequency bin are designated such that bandwidth of the forward link can be allocated differently from bandwidth of the reverse link.

23. The method of claim 22 further comprising:

selecting a first forward link frequency bin from the plurality of forward link frequency bins for forward link transmission, the first forward link frequency bin having an associated first reverse link frequency bin; and

selecting a second reverse link frequency bin for reverse link transmission corresponding to the forward link transmission wherein the second reverse link frequency bin is different from the first reverse link frequency bin.

24. A method of allocating bandwidth for forward and reverse link transmissions in a wireless communication system, comprising:

receiving communications on a multi-carrier forward link, the multi-carrier forward link having a plurality of forward link frequency bins allocated to carry different types of payload data, the reverse link having at least one frequency bin, wherein the at least one frequency bin of the reverse link is selected responsive to loading;

wherein the forward link bins and the at least one reverse link frequency bins are configured such that the allocation of bandwidth for the forward and reverse link transmissions can be varied.

25. The method of claim 24 further comprising:

transmitting communications over the at least one frequency bin of the reverse link.

26. The method of claim 25, further comprising:

receiving an indication of a reverse link frequency bin.

27. An apparatus in a wireless communication system comprising:

means for designating a multi-carrier forward link having a plurality of forward link frequency bins allocated to carry different types of payload data; and

means for designating a reverse link having at least one reverse link frequency bin, wherein the designation is responsive to loading and wherein the forward link frequency bins and the at least one reverse link frequency bin are designated such that bandwidth of the forward link can be allocated differently from bandwidth of the reverse link.

28. The apparatus of claim 27 further comprising:

means for selecting a first forward link frequency bin from the plurality of forward link frequency bins for forward link transmission, the first forward link frequency bin having an associated first reverse link frequency bin; and

means for selecting a second reverse link frequency bin for reverse link transmission corresponding to the forward link transmission wherein the second reverse link frequency bin is different from the first reverse link frequency bin.

29. An apparatus in a wireless communications system comprising:

means for receiving communications on a multi-carrier forward link, the multi-carrier forward link having a plurality of forward link frequency bins allocated to carry different types of payload data, the reverse link having at least one frequency bin, wherein the at least one frequency bin of the reverse link is selected responsive to loading, wherein the forward link bins and the at least one reverse link frequency bins are configured such that the allocation of bandwidth for the forward and reverse link transmissions can be varied; and

means for transmitting communications over the at least one frequency bin of the reverse link.

30. The apparatus of claim 29 further comprising:

means for receiving an indication of a reverse link frequency bin.

31. A non-transitory computer-readable medium including computer-executable instructions comprising:

a first set of instructions for designating a multi-carrier forward link having a plurality of forward link frequency bins allocated to carry different types of payload data; and

a second set of instructions for designating a reverse link having at least one reverse link frequency bin, wherein the designation is responsive to loading and wherein the forward link frequency bins and the at least one reverse link frequency bin are designated such that bandwidth of the forward link can be allocated differently from bandwidth of the reverse link.

32. The non-transitory computer-readable medium of claim 31 further comprising:

a third set of instructions for selecting a first forward link frequency bin from the plurality of forward link frequency bins for forward link transmission, the first forward link frequency bin having an associated first reverse link frequency bin; and

a fourth set of instructions for selecting a second reverse link frequency bin for reverse link transmission corresponding to the forward link transmission wherein the second reverse link frequency bin is different from the first reverse link frequency bin.

33. A non-transitory computer-readable medium including computer-executable instructions comprising:

a first set of instructions for receiving communications on a multi-carrier forward link, the multi-carrier forward link having a plurality of forward link frequency bins allocated to carry different types of payload data, the reverse link having at least one frequency bin, wherein the at least one frequency bin of the reverse link is selected responsive to loading;

wherein the forward link bins and the at least one reverse link frequency bins are configured such that the allocation of bandwidth for the forward and reverse link transmissions can be varied.

34. The non-transitory computer-readable medium of claim 33 further comprising:

a second set of instructions for transmitting communications over the at least one frequency bin of the reverse link.

35. The non-transitory computer-readable medium of claim 34 further comprising:

a third set of instructions for receiving an indication of a reverse link frequency bin.