METHOD AND APPARATUS FOR ACKCH WITH REPETITION IN ORTHOGONAL SYSTEMS

• US 20080095109A1
• Filed: 08/29/2007
• Published: 04/24/2008
• Est. Priority Date: 08/30/2006
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Willenegger, Serge, Malladi, Durga
• Granted Patent: US 8,787,344 B2
• Time in Patent Office: Days
• US Class Current: 370/330
• CPC Class Codes: H04L 1/0083 Formatting with frames or packets; Protocol or part of protocol for error control
• CPC Class Codes: H04L 1/1858 Transmission or retransmission of more than one copy of acknowledgement message

Abstract

A method and apparatus for a wireless communication system, using a repetition factor to determine how many times a acknowledgement should be repeated in response to receiving a first data transmission, selecting an acknowledgement transmission (ACK TX) pattern, wherein the ACK TX pattern comprises of resources information of a plurality of blocks used for transmitting the first acknowledgement, and transmitting, repeatedly, the acknowledgement according to the ACK TX pattern.

Claims

1. A method operable in a wireless communication, the method comprising:

using a repetition factor to determine how many times a first acknowledgement should be repeated in response to receiving a first data transmission;

selecting an acknowledgement transmission (ACK TX) pattern, wherein the ACK TX pattern comprises of frequency and time location of a plurality of blocks used for transmitting the first acknowledgement; and

transmitting, repeatedly, the first acknowledgement according to the ACK TX pattern.

2. The method of claim 1, wherein selecting the ACK TX pattern comprises selecting the ACK TX pattern as an implicit function of a time and frequency location of corresponding first data transmission, wherein data transmission comprises data packets.

3. The method of claim 1, wherein selecting the ACK TX pattern comprises selecting the ACK TX pattern as an implicit function of a time and frequency location of corresponding first data transmission, wherein data transmission comprises data assignment packets.

4. The method of claim 1, wherein using the repetition factor comprises receiving the repetition factor.

5. The method of claim 1, wherein selecting ACK TX pattern comprises selecting from plurality of ACK TX patterns using the repetition factor.

6. The method of claim 1, wherein selecting ACK TX pattern comprises selecting a first ACK TX pattern having a plurality of blocks and allocating to each block of the plurality of blocks different time and frequency resources for transmitting the first acknowledgement.

7. The method of claim 6, wherein

allocating time and frequency resources for each block of the plurality of blocks comprises allocating time and frequency resources to a first block as an implicit function of the time and frequency location of the corresponding data packet;

and allocating time and frequency resources for subsequent blocks as an implicit function of the time and frequency location of the corresponding data packet.

8. The method of claim 6, wherein

allocating time and frequency resources for each block of the plurality of blocks comprises allocating time and frequency resources to a first block as an implicit function of the time and frequency location of the corresponding data assignment packet;

and allocating, time and frequency resources for subsequent blocks as an implicit function of the time and frequency location of the corresponding data assignment packet.

9. A method operable in a wireless communication, the method comprising:

transmitting a first acknowledgement in response to receiving a first data transmission using first set of tones and first set of symbols of a frame; and

transmitting the first acknowledgement in response to receiving the first data transmission using second set of tones and second set of symbols of a frame, wherein the first set of tones and the second set of tones are orthogonal to each other and the first set of symbols and second set of symbols are orthogonal to each other.

10. The method of claim 9, further comprising

transmitting the first acknowledgement in response to receiving the first data transmission using third set of tones and third set of symbols of a frame, wherein the first set of tones, the second set of tones and the third set of tones are orthogonal to each other and the first set of symbols, second set of symbols and third set of symbols are orthogonal to each other.

11. An apparatus operable in a wireless communication, the apparatus comprising:

means for using a repetition factor to determine how many times a first acknowledgement should be repeated in response to receiving a first data transmission;

means for selecting an acknowledgement transmission (ACK TX) pattern, wherein the ACK TX pattern comprises of frequency and time location of a plurality of blocks used for transmitting the first acknowledgement; and

means for transmitting, repeatedly, the first acknowledgements according to the ACK TX pattern.

12. The apparatus of claim 11, wherein means for selecting the ACK TX pattern comprises means for selecting the ACK TX pattern as an implicit function of time and frequency location of corresponding first data transmission, wherein data transmission comprises data packet.

13. The apparatus of claim 11, wherein means for selecting the ACK TX pattern comprises means for selecting tho ACK TX pattern as an implicit function of time and frequency location of corresponding first data transmission, wherein data transmission comprises data assignment packets.

14. The apparatus of claim 11, wherein means for using the repetition factor comprises means for receiving the repetition factor.

15. The apparatus of claim 11, wherein means for selecting the ACK TX pattern comprises means for selecting from plurality of ACK TX patterns using the repetition factor.

16. The apparatus of claim 11, wherein means for selecting the ACK TX pattern comprises means for selecting a first ACK TX pattern having a plurality of blocks and allocating to each block of the plurality of blocks different time and frequency resources for transmitting the first acknowledgement.

17. The apparatus of claim 11, wherein

means for allocating time and frequency resources for each block of the plurality of blocks comprises means for allocating time and frequency resources to a first block as an implicit function of the time and frequency location of the corresponding data packet;

and comprises means for allocating time and frequency resources for subsequent blocks as an implicit function of the time and frequency location of the corresponding data packet.

18. The apparatus of claim 11, wherein

means for allocating time and frequency resources for each block of the plurality of blocks comprises means for allocating time and frequency resources to a first block as an implicit function of the time and frequency location of the corresponding data assignment packet;

and comprises means for allocating time and frequency resources for subsequent blocks as an implicit function of the time and frequency location of the corresponding data assignment packet.

19. A apparatus operable in a wireless communication, the apparatus comprising:

means for transmitting a first acknowledgement in response to receiving a first data transmission using first set of tones and first set of symbols of a frame; and

means for transmitting the first acknowledgement in response to receiving the first data transmission using second set of tones and second set of symbols of a frame, wherein the first set of tones and the second set of tones are orthogonal to each other and the first set of symbols and second set of symbols are orthogonal to each other.

20. The apparatus of claim 19, further comprising

means for transmitting the first acknowledgement in response to receiving the first data transmission using third set of tones and third set of symbols of a frame, wherein the first set of tones, the second set of tones and the third set of tones are orthogonal to each other and the first set of symbols, second set of symbols and third set of symbols are orthogonal to each other.

21. A computer program product, comprising:

a computer-readable medium comprising;

code for using a repetition factor to determine how many times a first acknowledgement should be repeated in response to receiving a first data transmission;

code selecting an acknowledgement transmission (ACK TX) pattern, wherein the ACK TX pattern comprises of frequency and time location of a plurality of blocks used for transmitting the first acknowledgement; and

code for transmitting, repeatedly, the first acknowledgements according to the ACK TX pattern.

22. The computer program product of claim 21, wherein code for selecting the ACK TX pattern comprises code for selecting the ACK TX pattern as an implicit function of time and frequency location of the corresponding first data transmission, wherein data transmission comprises of data packets.

23. The computer program product of claim 21, wherein code for selecting the ACK TX pattern comprises code for selecting the ACK TX pattern as an implicit function of time and frequency location of the corresponding first data transmission, wherein data transmission comprises of data assignment packets.

24. The computer program product of claim 21, wherein code for selecting the ACK TX pattern comprises code for selecting a first ACK TX pattern having a plurality of blocks and allocating to each block of the plurality of blocks different time and frequency resources for transmitting the first acknowledgement.

25. A computer program product, comprising:

a computer-readable medium comprising;

code for transmitting a first acknowledgement in response to receiving a first data transmission using first set of tones and first set of symbols of a frame; and

code for transmitting the first acknowledgement in response to receiving the first data transmission using second set of tones and second set of symbols of a frame, wherein the first set of tones and the second set of tones are orthogonal to each other and the first set of symbols and second set of symbols are orthogonal to each other.

26. An apparatus operable in a wireless communication, the apparatus comprising:

at least one processor configures to

use a repetition factor to determine how many times a first acknowledgement should be repeated in response to receiving a first data transmission;

select an acknowledgement transmission (ACK TX) pattern, wherein the ACK TX pattern comprises of frequency and time location of a plurality of blocks used for transmitting the first acknowledgement; and

transmit, repeatedly, the first acknowledgements according to the ACK TX pattern.

27. The apparatus of claim 26, wherein the ACK TX pattern is an implicit function of the time and frequency location or corresponding first data transmission, wherein data transmission comprises data packets.

28. The apparatus of claim 26, wherein the ACK TX pattern is an implicit function of the time and frequency location of corresponding first data transmission, wherein data transmission comprises data assignment packets.

29. The apparatus of claim 26, wherein the ACK TX pattern comprises a first ACK TX pattern having a plurality of blocks and allocating to each block of the plurality of blocks different time and frequency resources for transmitting the first acknowledgement.

30. An apparatus operable in a wireless communication, the apparatus comprising:

at least one processor configured to

transmit a first acknowledgement in response to receiving a first data transmission using first set of tones and first set of symbols of a frame; and

transmit the first acknowledgement in response to receiving the first data transmission using second set of tones and second set of symbols of a flame, wherein the first set of tones and the second set of tones are orthogonal to each other and the first set of symbols and second set of symbols are orthogonal to each other.

31. An apparatus operable in a wireless communication, the apparatus comprising:

means for determining a maximum repetition factor that indicates the number of times a first acknowledgement will be received;

means for determining a first transmission pattern using the maximum repetition factor, wherein the first transmission pattern comprises of frequency and time location of plurality of blocks used for receiving the first acknowledgement; and

means for allocating resources based on the first transmission pattern for receiving the first acknowledgement.

32. The apparatus of claim 31, wherein determining the first transmission pattern comprises means for selecting the first transmission pattern from a list of transmission patterns.

33. The apparatus of claim 32, wherein the transmission patterns are an implicit function of the time and frequency location of the data packet.

34. The apparatus of claim 32, wherein the transmission patterns are an implicit function of the time and frequency location of the data assignment packet.

35. The apparatus of claim 31, wherein determining a maximum repetition factor comprises means for selecting a highest repetition factor used for repeating acknowledgement for a data packet to be transmitted.

36. The apparatus of claim 31, wherein determining the first transmission pattern comprises means for selecting the first transmission pattern using the repetition factor.

37. The apparatus of claim 31, wherein selecting the first transmission comprises means for selecting the first transmission pattern having a first block, a second block, and a third block wherein each block is orthogonal in time and frequency and used for transmitting first acknowledgement.

38. The apparatus of claim 37, wherein allocating resources comprises allocating the time and frequency resources of first block and second block for receiving the first acknowledgement.

39. A method operable in a wireless communication, the method comprising:

determining a maximum repetition factor that indicates the number times a first acknowledgement will be received;

determining a first transmission pattern using the maximum repetition factor, wherein the first transmission pattern comprises of frequency and time location of plurality blocks used for receiving the first acknowledgement; and

allocating resources based on the first transmission pattern for receiving the first acknowledgement.

40. The method of claim 39, wherein determining the first transmission pattern comprises selecting the first transmission pattern form a list of transmission patterns.

41. The method of claim 40, wherein selecting the transmission pattern comprises selecting the transmission pattern as an implicit function of the time and frequency location of the corresponding first data transmission, wherein data transmission comprises data packets.

42. The method of claim 40, wherein selecting the transmission patterns comprises selecting the transmission pattern as an implicit function of the time and frequency location of the corresponding first data transmission, wherein data transmission comprises data assignment packets.

43. The method of claim 40, wherein determining a maximum repetition factor comprises selecting a highest repetition factor used for repeating acknowledgement for a data packet to be transmitted.

44. The method of claim 40, wherein determining the first transmission pattern comprises selecting the first transmission pattern using the repetition factor.

45. The method of claim 44, wherein selecting the first transmission comprises selecting the first transmission pattern having a first block, a second block, and a third block wherein each block is orthogonal in time and frequency and used for transmitting first acknowledgement.

46. The method of claim 45, wherein allocating resources comprises allocating the time and frequency resources of first block and second block for receiving the first acknowledgement.

47. A computer program product, comprising:

a computer-readable medium comprising;

code for determining a maximum repetition factor that indicates the number of times a first acknowledgement will be received;

code for determining a first transmission pattern using the maximum repetition factor, wherein the first transmission pattern comprises of frequency and time location of a plurality blocks used for receiving the first acknowledgement; and

code for allocating resources based on the first transmission pattern for receiving the first acknowledgement.

48. An apparatus operable in a wireless communication, the apparatus comprising:

at least one processor configured to

determine a maximum repetition factor that indicates the number of times a first acknowledgement will be received;

determine a first transmission pattern using the maximum repetition factor, wherein the first transmission pattern comprises of frequency and time location of plurality blocks used for receiving the first acknowledgement; and

allocate resources based on the first transmission pattern for receiving the first acknowledgement.

49. A method operable in a wireless communication, the method comprising:

using a repetition factor to determine how many times a first acknowledgement should be repeated in response to receiving a first data transmission;

selecting an acknowledgement transmission (ACK TX) pattern, wherein the ACK TX pattern comprises of resource information for a plurality of blocks used for transmitting the first acknowledgement; and

transmitting, repeatedly, the first acknowledgement according to the ACK TX pattern.

50. The method of claim 49, wherein selecting the ACK TX pattern comprises selecting the ACK TX pattern wherein the resources comprises time, frequency and code information.