Multiplexing on the reverse link feedbacks for multiple forward link frequencies

• US 8,868,118 B2
• Filed: 04/03/2006
• Issued: 10/21/2014
• Est. Priority Date: 04/08/2005
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Rezaiifar, Ramin, Agashe, Parag, Black, Peter J.
• Primary Examiner(s): Vu, Michael T
• Application Number:
  US11/397,873
• Publication Number:
  US 20060229091A1
• Time in Patent Office: 3,123 Days
• Field of Search: 455/509, 455/522, 455/69, 455/515, 455/450, 455/445, 370/278, 370/335, 370/342, 370/209, 370/325, 370/329, 370/437, 370/319
• US Class Current: 455/509
• CPC Class Codes: H04B 1/707 using direct sequence modulation
• CPC Class Codes: H04B 2201/70703 using multiple or variable rates
• CPC Class Codes: H04J 13/00 Code division multiplex systems for frequency hopping H04B1/713
• CPC Class Codes: H04J 13/0077 Multicode, e.g. multiple codes assigned to one user
• CPC Class Codes: H04L 1/0002 by adapting the transmission rate
• CPC Class Codes: H04L 1/1829 Arrangements specially adapted for the receiver end
• CPC Class Codes: H04L 27/2602 Signal structure
• CPC Class Codes: H04W 74/004 in the uplink, i.e. towards network
• CPC Class Codes: H04W 74/04 Scheduled access hybrid access H04W74/02
• CPC Class Codes: H04W 74/0866 using a dedicated channel for access

Abstract

The present patent application comprises a method and apparatus for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels, comprising assigning the reverse link frequency to a mobile station, assigning one or more of the forward link frequencies to the reverse link frequency, and code division multiplexing a plurality of the reverse link feedback channels on the reverse link frequency.

Claims

1. A method for communicating a plurality of reverse link feedback channels in a multicarrier communication system, comprising:

receiving an indication at a mobile station limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels by the mobile station to fewer than a total number of available reverse link frequencies; and

code division multiplexing a selected plurality of the reverse link feedback channels on a single reverse link frequency based on the indication received using a respective pseudo-random noise (PN) code mask for each of said reverse link feedback channels for supporting transmission of feedback information corresponding to transmission of forward link channels over multiple forward link frequencies.

2. The method according to claim 1, wherein said reverse link feedback channels comprise an acknowledge channel and a data rate control channel.

3. The method according to claim 1, further comprising:

assigning one or more long code masks to said reverse link feedback channels.

4. The method according to claim 3, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

5. The method according to claim 4, wherein said long code mask comprises an index field and an access terminal identifier field.

6. The method according to claim 1, further comprising causing a base station to assign a reverse link frequency to the mobile station.

7. The method according to claim 6, further comprising:

assigning one or more long code masks to said reverse link feedback channels.

8. The method according to claim 7, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

9. The method according to claim 8, wherein said long code mask comprises an index field and an access terminal identifier field.

10. The method according to claim 1, further comprising the step of autonomously turning off at least one unnecessary reverse link frequency.

11. A communication apparatus configured to communicate a plurality of reverse link feedback channels in a multicarrier communication system, comprising:

a transmitter;

a receiver operably connected to said transmitter;

a processor operably connected to said transmitter and said receiver; and

memory operably connected to said processor, wherein said communication apparatus is adapted to execute instructions stored in said memory comprising;

receiving an indication limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels to fewer than a total number of available reverse link frequencies; and

code division multiplexing a selected plurality of the reverse link feedback channels on a single reverse link frequency based on the indication received using a respective pseudo-random noise (PNS code mask for each of said reverse link feedback channels for supporting support transmission of feedback information corresponding to transmission of forward link channels over multiple forward link frequencies.

12. The communication apparatus according to claim 11, wherein said reverse link feedback channels comprise an acknowledge channel and a data rate control channel.

13. The communication apparatus according to claim 11, wherein said instruction of code division multiplexing a plurality of the reverse link feedback channels on said reverse link frequency comprises assigning one or more long code masks to said reverse link feedback channels, whereby said reverse link feedback channels are code division multiplexed.

14. The communication apparatus according to claim 13, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

15. The communication apparatus according to claim 14, wherein said long code mask comprises an index field and an access terminal identifier field.

16. The communication apparatus according to claim 11, further comprising an instruction to assign a reverse link frequency to the communication apparatus.

17. The communication apparatus according to claim 16, wherein said instruction of code division multiplexing the selected plurality of the reverse link feedback channels on said reverse link frequency comprises assigning one or more long code masks to said reverse link feedback channels, whereby said reverse link feedback channels are code division multiplexed.

18. The communication apparatus according to claim 17, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

19. The communication apparatus according to claim 18, wherein said long code mask comprises an index field and an access terminal identifier field.

20. The communication apparatus according to claim 11, further comprising an instruction to autonomously turn off at least one unnecessary reverse link frequency.

21. A device means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels, comprising:

means for receiving an indication at a mobile station limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels by the mobile station to fewer than a total number of available reverse link frequencies; and

means for code division multiplexing a selected plurality of the reverse link feedback channels on a single reverse link frequency based on the indication received using a respective pseudo-random noise (PN) code mask for each of said reverse link feedback channels for supporting transmission of feedback information corresponding to transmission of forward link channels over multiple forward link frequencies.

22. The means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels according to claim 21, wherein said reverse link feedback channels comprise an acknowledge channel and a data rate control channel.

23. The means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels according to claim 21, wherein said means for code division multiplexing the selected plurality of the reverse link feedback channels on said reverse link frequency comprises means for assigning one or more long code masks to said reverse link feedback channels, whereby said reverse link feedback channels are code division multiplexed.

24. The means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels according to claim 23, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

25. The means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels according to claim 24, wherein said long code mask comprises an index field and an access terminal identifier field.

26. The means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels according to claim 21, wherein the means for receiving the indication at the mobile station limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels by the mobile station to fewer than the total number of available reverse link frequencies comprises means for receiving a traffic channel assignment message at said mobile station.

27. The means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels according to claim 26, wherein said means for code division multiplexing a plurality of the reverse link feedback channels on said reverse link frequency comprises means for assigning one or more long code masks to said reverse link feedback channels, whereby said reverse link feedback channels are code division multiplexed.

28. The means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels according to claim 27, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

29. The means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels according to claim 28, wherein said long code mask comprises an index field and an access terminal identifier field.

30. The means for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels according to claim 21, further comprising a means for autonomously turning off at least one unnecessary reverse link frequency.

31. A non-transitory computer-readable medium embodying a set of instructions executable by one or more processors, comprising:

code for receiving an indication at a mobile station limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels by the mobile station to fewer than a total number of available reverse link frequencies; and

code for code division multiplexing a selected plurality of reverse link feedback channels on a single reverse link frequency based on the indication received using a respective pseudo-random noise (PN) code mask for each of said reverse link feedback channels for supporting transmission of feedback information corresponding to transmission of forward link channels over multiple forward link frequencies.

32. A method for receiving a plurality of reverse link feedback channels in a multicarrier communication system, comprising:

providing an indication to a mobile station limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels by the mobile station to fewer than a total number of available reverse link frequencies;

receiving a signal code division multiplexed using a respective pseudo-random noise (PN) code mask for each of said reverse link feedback channels representing a selected plurality of the reverse link feedback channels transmitted over a single reverse link frequency, selected based on the indication transmitted;

wherein the single reverse link frequency provides information corresponding to forward link transmissions provided over a plurality of forward link transmission frequencies.

33. The method according to claim 32, wherein said reverse link feedback channels comprise an acknowledge channel and a data rate control channel.

34. The method according to claim 32, further comprising:

assigning one or more long code masks to said reverse link feedback channels.

35. The method according to claim 34, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

36. The method according to claim 35, wherein said long code mask comprises an index field and an access terminal identifier field.

37. The method according to claim 32, wherein assigning the reverse link frequency to a mobile station comprises sending a traffic channel assignment message to said mobile station.

38. The method according to claim 37, further comprising:

assigning one or more long code masks to said reverse link feedback channels.

39. The method according to claim 38, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

40. The method according to claim 39, wherein said long code mask comprises an index field and an access terminal identifier field.

41. The method according to claim 32, further comprising autonomously turning off at least one unnecessary reverse link frequency.

42. A communication apparatus configured to receive a plurality of reverse link feedback channels in a multicarrier communication system, comprising:

a transmitter;

a receiver operably connected to said transmitter;

a processor operably connected to said transmitter and said receiver; and

memory operably connected to said processor, wherein said communication apparatus is adapted to execute instructions stored in said memory comprising;

providing an indication to a mobile station limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels by the mobile station to fewer than a total number of available reverse link frequencies;

receiving a signal code division multiplexed using a respective pseudo-random noise (PN) code mask for each of said reverse link feedback channels representing a selected plurality of the reverse link feedback channels transmitted over a single reverse link frequency, selected based on the indication transmitted;

wherein the single reverse link frequency provides information corresponding to forward link transmissions provided over a plurality of forward link transmission frequencies.

43. The communication apparatus according to claim 42, wherein said reverse link feedback channels comprise an acknowledge channel and a data rate control channel.

44. The communication apparatus according to claim 42, wherein said instruction of receiving a code division multiplexed signal representing a selected plurality of the reverse link feedback channels over a single reverse link frequency comprises assigning one or more long code masks to said reverse link feedback channels, whereby said reverse link feedback channels are code division multiplexed.

45. The communication apparatus according to claim 44, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

46. The communication apparatus according to claim 45, wherein said long code mask comprises an index field and an access terminal identifier field.

47. The communication apparatus according to claim 42, further comprising an instruction to assign a reverse link frequency to the mobile station.

48. The communication apparatus according to claim 47, wherein said instruction of receiving a code division multiplexed signal representing a selected plurality of the reverse link feedback channels transmitted over a single reverse link frequency comprises assigning one or more long code masks to said reverse link feedback channels, whereby said reverse link feedback channels are code division multiplexed.

49. The communication apparatus according to claim 48, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

50. The communication apparatus according to claim 49, wherein said long code mask comprises an index field and an access terminal identifier field.

51. The communication apparatus according to claim 42, further comprising an instruction to autonomously turn off at least one unnecessary reverse link frequency.

52. A device means for receiving a plurality of reverse link feedback channels in a multicarrier communication system, comprising:

means for providing an indication to a mobile station limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels by the mobile station to fewer than a total number of available reverse link frequencies; and

means for receiving a signal code division multiplexed using a respective pseudo-random noise (PN) code mask for each of said reverse link feedback channels representing a selected plurality of the reverse link feedback channels transmitted over a single reverse link frequency, selected based on the indication transmitted;

wherein the single reverse link frequency provides information corresponding to forward link transmissions provided over a plurality of forward link transmission frequencies.

53. The means for receiving a plurality of reverse link feedback channels in a multicarrier communication system according to claim 52, wherein said reverse link feedback channels comprise an acknowledge channel and a data rate control channel.

54. The means for receiving a plurality of reverse link feedback channels in a multicarrier communication system according to claim 52, wherein said means for receiving a code division multiplexed signal representing a selected plurality of the reverse link feedback channels transmitted over a single reverse link frequency comprises means for assigning one or more long code masks to said reverse link feedback channels, whereby said reverse link feedback channels are code division multiplexed.

55. The means for receiving a plurality of reverse link feedback channels in a multicarrier communication system according to claim 54, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

56. The means for receiving a plurality of reverse link feedback channels in a multicarrier communication system according to claim 55, wherein said long code mask comprises an index field and an access terminal identifier field.

57. The means for receiving a plurality of reverse link feedback channels in a multicarrier communication system according to claim 52, wherein the means for providing an indication to a mobile station limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels by the mobile station to fewer than a total number of available reverse link frequencies comprises means for sending a traffic channel assignment message to said mobile station.

58. The means for receiving a plurality of reverse link feedback channels in a multicarrier communication system according to claim 57, wherein said means for receiving a code division multiplexed signal representing a selected plurality of the reverse link feedback channels transmitted over a single reverse link frequency comprises means for assigning one or more long code masks to said reverse link feedback channels, whereby said reverse link feedback channels are code division multiplexed.

59. The means for receiving a plurality of reverse link feedback channels in a multicarrier communication system according to claim 58, wherein said long code mask for each of said reverse link feedback channels is identified by a feedback multiplexing index.

60. The means for receiving a plurality of reverse link feedback channels in a multicarrier communication system according to claim 59, wherein said long code mask comprises an index field and an access terminal identifier field.

61. The means for receiving a plurality of reverse link feedback channels in a multicarrier communication system according to claim 52, further comprising a means for autonomously turning off at least one unnecessary reverse link frequency.

62. A non-transitory computer-readable medium embodying a set of instructions executable by one or more processors, comprising:

code for providing an indication to a mobile station limiting available reverse link frequencies usable for transmission of the plurality of reverse link feedback channels by the mobile station to fewer than a total number of available reverse link frequencies; and

code for receiving a signal code division multiplexed using a respective pseudo-random noise (PN) code mask for each of said reverse link feedback channels representing a selected plurality of the reverse link feedback channels transmitted over a single reverse link frequency, selected based on the indication transmitted;

wherein the single reverse link frequency provides information corresponding to forward link transmissions provided over a plurality of forward link transmission frequencies.