Half-duplex communication in a frequency division duplex system

1. A method that facilitates half-duplex communication in a frequency division duplex (FDD) wireless communication system, comprising:

determining a half-duplex interlace to use for communication from among a plurality of half-duplex interlaces, each half-duplex interlace in the plurality of half-duplex interlaces comprising temporally non-overlapping frames for a forward link and a reverse link; and

communicating, over a wireless interface, frames of the half-duplex interlace determined for use,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the communicating frames of the half-duplex interlace determined for use comprises:

sending a first control segment that spans one of the plurality of frequency subbands on the forward link; and

receiving a second control segment that spans one of the plurality of frequency subbands on the reverse link.

2. The method of claim 1 , wherein the determining a half-duplex interlace to use includes determining the half-duplex interlace to use for communication based on an identifier for a terminal.

3. The method of claim 1 , wherein the determining a half-duplex interlace to use includes determining the half-duplex interlace to use for communication based on a Medium Access Control Identifier (MACID) for a terminal.

4. The method of claim 1 , wherein the communicating using frames of the half-duplex interlace determined for use includes:

sending data via the first frequency channel in forward link frames of the half-duplex interlace determined for use; and

receiving data via the second frequency channel in reverse link frames of the half-duplex interlace determined for use.

5. The method of claim 1 , wherein the first control segment comprises one or more of at least one power control command on a forward link dedicated power control channel (F-PCCH) or at least one pilot quality indicator on a forward link pilot quality indicator channel (F-PQICH).

6. The method of claim 1 , wherein the first control segment comprises interference information on one or more of a forward link interference over thermal channel (F-IOTCH) or a forward link fast other sector interference channel (F-FOSICH).

7. The method of claim 1 , wherein the first control segment is on a forward link shared control channel (F-SCCH).

8. The method of claim 1 , wherein the first control segment comprises at least one pilot on one or more of a forward link CQI pilot channel (F-CQIPICH) or a forward link beacon pilot channel (F-BPICH).

9. The method of claim 1 , wherein the determining of the half-duplex interlace to use comprises selecting the half-duplex interlace from a first half-duplex interlace and a second half-duplex interlace.

10. The method of claim 1 , wherein the communicating using frames of the half-duplex interlace determined for use comprises:

assigning a first terminal with resources in frames of the half-duplex interlace determined for use;

assigning a second terminal with resources in any frames of the plurality of half-duplex interlaces;

communicating with the first terminal using half-duplex; and

communicating with the second terminal using full-duplex.

11. The method of claim 1 , wherein the communicating using frames of the half-duplex interlace determined for use comprises at least one of sending data via hybrid automatic repeat request (H-ARQ) transmission or receiving data via H-ARQ transmission.

12. An apparatus for use in a frequency division duplex (FDD) wireless communication system, comprising:

a memory for storing data relating to a plurality of half-duplex interlaces, wherein each of the plurality of half-duplex interlaces comprises temporally non-overlapping frames for a forward link and a reverse link; and

a processor configured to:

determine a half-duplex interlace to use for communication from among the plurality of half-duplex interlaces; and

communicate using frames of the half-duplex interlace determined for use,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the communicating using frames of the half-duplex interlace determined for use comprises:

sending a first control segment that spans one of the plurality of frequency subbands on the forward link; and

receiving a second control segment that spans one of the plurality of frequency subbands on the reverse link.

13. The wireless communications apparatus of claim 12 , wherein the frames for the forward link and the frames for the reverse link abut one another.

14. The wireless communications apparatus of claim 12 , wherein a guard time is provided between the frames for the forward link and the frames for the reverse link that is of sufficient length to allow a terminal to switch between transmitting and receiving or between receiving and transmitting.

15. The wireless communications apparatus of claim 12 , wherein the plurality of half-duplex interlaces is a first half-duplex interlace and a second half-duplex interlace, and the first half-duplex interlace and the second half-duplex interlace comprise frames for the forward link and the reverse link such that each frame is included in one of the first half-duplex interlace or the second half-duplex interlace.

16. The wireless communications apparatus of claim 15 , wherein the first half-duplex interlace comprises every other frame for the forward link and every other frame for the reverse link, and the second half-duplex interlace includes the remaining frames for the forward link and the reverse link.

17. The wireless communications apparatus of claim 16 , wherein a first terminal having an odd Medium Access Control Identifier (MACID) is assigned to the first half-duplex interlace and a second terminal having an even MACID is assigned to the second half-duplex interlace.

18. The wireless communications apparatus of claim 16 , wherein the processor is further configured to alter its determination of a half-duplex interlace to use by assigning a new MACID for at least one of the first terminal or the second terminal.

19. An apparatus that facilitates half-duplex communication in a frequency division duplex (FDD) wireless communication system, comprising:

means for determining a half-duplex interlace to use for communication from among a plurality of half-duplex interlaces, each half-duplex interlace in the plurality of half-duplex interlaces comprising frames for a forward link and a reverse link; and

means for communicating using frames of the half-duplex interlace determined for use,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the means for communicating using frames of the half-duplex interlace determined for use comprises:

means for sending a first control segment that spans one of the plurality of frequency subbands on the forward link; and

means for receiving a second control segment that spans one of the plurality of frequency subbands on the reverse link.

20. The apparatus of claim 19 , wherein the means for determining a half-duplex interlace to use further comprises means for determining the half-duplex interlace to use based at least in part on a MACID for a terminal.

21. The apparatus of claim 20 , further comprising means for altering the half-duplex interlace determined for use by changing the MACID for the terminal.

22. The apparatus of claim 19 , wherein the means for communicating using frames of the half-duplex interlace determined for use comprises:

means for communicating with a first terminal using half-duplex; and

means for communicating with a second terminal using full-duplex.

23. The apparatus of claim 22 , wherein the means for communicating using frames of the half-duplex interlace determined for use further comprises:

means for assigning the first terminal with resources in frames of the half-duplex interlace determined for use; and

means for assigning the second terminal with resources in any frames of the plurality of half-duplex interlaces.

24. The apparatus of claim 22 , wherein the means for communicating using frames of the half-duplex interlace determined for use further includes:

means for exchanging at least one of data and signaling with the first terminal in frames of the half-duplex interlace determined for use; and

means for exchanging at least one of data and signaling with the second terminal in any frames of the plurality of half-duplex interlaces.

25. A non-transitory computer-readable medium having stored thereon computer-executable instructions for half-duplex communication in a frequency division duplex (FDD) wireless communication system, the instructions comprising:

code for allocating frames of a forward link and a reverse link among a plurality of half-duplex interlaces such that each of the plurality of half-duplex interlaces has temporally non-overlapping frames;

code for associating an access terminal with a half-duplex interlace from the plurality of half-duplex interlaces; and

code for communicating with the access terminal using frames allocated for the associated half-duplex interlace,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the code for communicating frames of the half-duplex interlace determined for use comprises:

code for sending a first control segment that spans one of the plurality of frequency subbands on the forward link; and

code for receiving a second control segment that spans one of the plurality of frequency subbands on the reverse link.

26. The non-transitory computer-readable medium of claim 25 , wherein the plurality of half-duplex interlaces is a first half-duplex interlace and a second half-duplex interlace, and the first half-duplex interlace includes every other frame for the forward link and every other frame for the reverse link, and the second half-duplex interlace includes the remaining frames for the forward link and the reverse link.

27. The non-transitory computer-readable medium of claim 26 , wherein the instructions for associating an access terminal with a half-duplex interlace includes instructions for:

associating the access terminal with the first half-duplex interlace if a MACID of the access terminal is odd; and

associating the access terminal with the second half-duplex interlace if the MACID of the access terminal is even.

28. A method that facilitates half-duplex communication in a frequency division duplex (FDD) wireless communication system, comprising:

associating with a half-duplex interlace chosen from a plurality of half-duplex interlaces for communication with an access network, each half-duplex interlace including temporally non-overlapping frames for a forward link and a reverse link; and

communicating, over a wireless interface, with the access network using frames of the associated half-duplex interlace,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the communicating with the access network comprises:

receiving a first control segment that spans one of the plurality of frequency subbands on the forward link; and

sending a second control segment that spans one of the plurality of frequency subbands on the reverse link.

29. The method of claim 28 , wherein the communicating with the access network comprises:

receiving data via the first frequency channel in forward link frames of the associated half-duplex interlace; and

sending data via the second frequency channel in reverse link frames of the associated half-duplex interlace.

30. The method of claim 28 , wherein the second control segment comprises at least one of a CDMA control segment or an OFDMA control segment for the associated half-duplex interlace.

31. The method of claim 28 , wherein the first control segment comprises at least one of a CDMA control segment or an OFDMA control segment for the associated half-duplex interlace.

32. The method of claim 31 , wherein the first control segment further comprises at least one power control command on a forward link dedicated power control channel (F-PCCH) or at least one pilot quality indicator on a forward link pilot quality indicator channel (F-PQICH).

33. The method of claim 31 , wherein the first control segment further comprises interference information on one or more of a forward link interference over thermal channel (F-IOTCH) or a forward link fast other sector interference channel (F-FOSICH).

34. The method of claim 31 , wherein the first control segment further comprises signaling on a forward link shared control channel (F-SCCH).

35. The method of claim 31 , wherein the first control segment further comprises at least one pilot on one or more of a forward link CQI pilot channel (F-CQIPICH) or a forward link beacon pilot channel (F-BPICH).

36. An apparatus for half-duplex communication on a frequency division duplex (FDD) wireless communication system, comprising:

a memory for storing data relating to an associated half-duplex interlace, the selected half-duplex interlace comprising temporally non-overlapping frames for a forward link and a reverse link; and

a processor configured to communicate with an access network using frames of the associated half-duplex interlace,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the communicating with the access network comprises:

receiving a first control segment that spans one of the plurality of frequency subbands on the forward link; and

sending a second control segment that spans one of the plurality of frequency subbands on the reverse link.

37. An apparatus that facilitates half-duplex communication in a frequency division duplex (FDD) wireless communication system, comprising:

means for associating with a half-duplex interlace chosen from a plurality of half-duplex interlaces for communication with an access network, each half-duplex interlace including frames for a forward link and a reverse link; and

means for communicating with the access network using frames of the associated half-duplex interlace,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the means for communicating with the access network comprises:

means for receiving a first control segment that spans one of the plurality of frequency subbands on the forward link; and

means for sending a second control segment that spans one of the plurality of frequency subbands on the reverse link.

38. A non-transitory computer-readable medium having stored thereon computer-executable instructions for half-duplex communication in a frequency division duplex (FDD) wireless communication system, the instructions comprising:

code for associating with a half-duplex interlace selected from a plurality of half-duplex interlaces, each of the plurality of half-duplex interlaces having allocated frames of a forward link and a reverse link such that each of the plurality of half-duplex interlaces has temporally non-overlapping frames; and

code for communicating, over a wireless interface, with an access network using the allocated frames for the associated half-duplex interlace,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the communicating with the access network comprises:

code for receiving a first control segment that spans one of the plurality of frequency subbands on the forward link; and

code for sending a second control segment that spans one of the plurality of frequency subbands on the reverse link.

39. A processor for half-duplex communication in a frequency division duplex (FDD) wireless communication system, the processor comprising:

a receiving module configured to receive an assignment of resources in frames of a half-duplex interlace selected from a plurality of half-duplex interlaces, each of the plurality of half-duplex interlaces having allocated frames of a forward link and a reverse link; and

a communicating module configured to communicate, over a wireless interface, with an access network using the assigned resources,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the communicating module is configured to communicate with the access network by:

receiving a first control segment that spans one of the plurality of frequency subbands on the forward link; and

sending a second control segment that spans one of the plurality of frequency subbands on the reverse link.

40. The processor of claim 39 , wherein the communicating module is further configured to communicate with the access network by exchanging data with the access network in frames of the selected half-duplex interlace.

41. The method of claim 1 , wherein the sending of the first control segment comprises sending at least one control segment during each of a plurality of frames, and wherein the at least one control segment hops from a first subband of the plurality of frequency subbands to a second subband of the plurality of frequency subbands in different frames of the plurality of frames.

42. A processor for half-duplex communication in a frequency division duplex (FDD) wireless communication system, the processor comprising:

a determining module configured to determine a half-duplex interlace to use for communication from among a plurality of half-duplex interlaces, each half-duplex interlace in the plurality of half-duplex interlaces comprising temporally non-overlapping frames for a forward link and a reverse link; and

a communicating module configured to communicate, over a wireless interface, frames of the half-duplex interlace determined for use,

wherein the forward link is associated with a first frequency channel comprising a plurality of frequency subbands, and the reverse link is associated with a second frequency channel comprising a plurality of frequency subbands, and

wherein the communicating module is configured to communicate frames of the half-duplex interlace determined for use by:

sending a first control segment that spans one of the plurality of frequency subbands on the forward link; and

receiving a second control segment that spans one of the plurality of frequency subbands on the reverse link.

43. The method of claim 1 , wherein the method further comprises:

determining if a terminal is configured for full-duplex operation or half-duplex operation;

communicating over a wireless interface with the terminal using frames of the half-duplex interlace determined for use if the terminal is configured for half-duplex operation; and

communicating over a wireless interface with the terminal using frames of any of the plurality of half-duplex interlaces if the terminal is configured for full-duplex operation.

44. The apparatus of claim 12 , wherein the processor is further configured to:

assign a first terminal with resources in frames of the half-duplex interlace determined for use;

assign a second terminal with resources in any frames of the plurality of half-duplex interlaces;

communicate with the first terminal using half-duplex; and

communicate with the second terminal using full-duplex.

45. The apparatus of claim 12 , wherein the processor is further configured to:

determine if a terminal is configured for full-duplex operation or half-duplex operation;

communicate over a wireless interface with the terminal using frames of the half-duplex interlace determined for use if the terminal is configured for half-duplex operation; and

communicate over a wireless interface with the terminal using frames of any of the plurality of half-duplex interlaces if the terminal is configured for full-duplex operation.

46. The apparatus of claim 19 , the apparatus further comprising:

means for assigning a first terminal with resources in frames of the half-duplex interlace determined for use;

means for assigning a second terminal with resources in any frames of the plurality of half-duplex interlaces;

means for communicating with the first terminal using half-duplex; and

means for communicating with the second terminal using full-duplex.

47. The apparatus of claim 19 further comprising:

means for determining if a terminal is configured for full-duplex operation or half-duplex operation;

means for communicating over a wireless interface with the terminal using frames of the half-duplex interlace determined for use if the terminal is configured for half-duplex operation; and

means communicating over a wireless interface with the terminal using frames of any of the plurality of half-duplex interlaces if the terminal is configured for full-duplex operation.

48. The non-transitory computer-readable medium of claim 25 , the instructions further comprising:

code for assigning a first terminal with resources in frames of the half-duplex interlace determined for use;

code for assigning a second terminal with resources in any frames of the plurality of half-duplex interlaces;

code for communicating with the first terminal using half-duplex; and

code for communicating with the second terminal using full-duplex.

49. The non-transitory computer-readable medium of claim 25 , wherein the instructions further comprise:

code for determining if a terminal is configured for full-duplex operation or half-duplex operation;

code for communicating over a wireless interface with the terminal using frames of the half-duplex interlace determined for use if the terminal is configured for half-duplex operation; and

code for communicating over a wireless interface with the terminal using frames of any of the plurality of half-duplex interlaces if the terminal is configured for full-duplex operation.