Signaling of implicit ACK/NACK resources

• US 20080310540A1
• Filed: 06/18/2007
• Published: 12/18/2008
• Est. Priority Date: 06/18/2007
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Corporation
• Inventors: Pajukoski, Kari, Tiirola, Esa, Malkamaki, Esa
• Granted Patent: US 8,036,166 B2
• Time in Patent Office: Days
• US Class Current: 375/267
• CPC Class Codes: H04J 13/00 Code division multiplex systems for frequency hopping H04B1/713
• CPC Class Codes: H04L 1/1671 the supervisory signal being transmitted together with control information
• CPC Class Codes: H04L 1/1861 Physical mapping arrangements for ACK signaling see also H04L5/0053
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals

Abstract

A method includes, in response to receiving implicit signaling of the radio resource, and in response to a plurality of wireless communication system cell-specific static and semi-static input parameters, determining a plurality of output parameters and allocating radio resources using the determined output parameters. Also disclosed are computer readable storage mediums for storing programs that operate in accordance with the methods, as well as various devices that operate in accordance with the methods and that include the computer readable storage mediums.

Claims

1. A method comprising:

in response to receiving implicit signaling of the radio resource, and in response to a plurality of wireless communication system cell-specific static and semi-static input parameters, determining a plurality of output parameters; and

allocating radio resources using the determined output parameters.

2. The method of claim 1, where the plurality of output parameters comprise a cyclic shift of a block spreading code and a cyclic shift of a frequency domain code.

3. The method of claim 1, where the plurality of wireless communication system cell-specific semi-static input parameters are received by implicit signaling.

4. The method of claim 1, where the plurality of wireless communication system cell-specific semi-static input parameters comprise:

res_—

1st;

a resource number of a first implicit resource; and

shift_diff;

a cyclic shift difference between two implicit resources.

5. The method of claim 4, where a further wireless communication system input parameter comprises:

impl_res;

a resource number.

6. The method of claim 5, where the plurality of cell specific static input parameters comprise:

num_t_shift;

a number of cyclic shifts of a block spreading code; and

num_f shift;

a number of cyclic shifts of a frequency domain code.

7. The method of claim 6, where the output parameters comprise a cyclic shift of the block spreading code, expressed as shift_t, for a given value of impl_res, and a cyclic shift of the frequency domain code, expressed as shift_f, for the given value of impl_res.

8. The method of claim 7, where shift_t and shift_f are determined by operations that comprise:

9. The method of claim 8, further comprising in a case of a limited code space comparing shift_t and shift_f to allowed values of time and frequency shifts, respectively, and if shift_t and shift_f are found to not be allowed, iterating the operations with another given value of implores.

10. The method as in claim 6, where the frequency domain code is comprised of a constant-amplitude zero auto-correlation (CAZAC) code.

11. The method of claim 1, where the plurality of wireless communication system cell-specific semi-static input parameters are signaled from a base station, and where the determining operation occurs in a user equipment.

12. The method of claim 1, where the allocated radio resources comprise ACK/NACK resources.

13. The method of claim 12, where the allocated ACK/NACK resources are orthogonally multiplexed within reference signal/data blocks with those of other user equipment using different cyclic shifts of a constant-amplitude zero auto-correlation (CAZAC) code base sequence.

14. The method of claim 1, where the allocated radio resources comprise scheduling request resources.

15. A computer readable medium encoded with a computer program the execution of which by a data processor results in operations that comprise:

in response to receiving implicit signaling of the radio resource, and in response to a plurality of wireless communication system cell-specific static and semi-static input parameters, determining a plurality of output parameters; and

allocating radio resources using the determined output parameters.

16. The computer readable medium of claim 15, where the plurality of output parameters comprise a cyclic shift of a block spreading code and a cyclic shift of a frequency domain code.

17. The computer readable medium of claim 15, where the plurality of wireless communication system cell-specific semi-static input parameters are received by implicit signaling.

18. The computer readable medium of claim 15, where the plurality of wireless communication system cell-specific semi-static input parameters comprise:

res_—

1st;

a resource number of a first implicit resource; and

shift_diff;

a cyclic shift difference between two implicit resources.

19. The computer readable medium of claim 18, where a further wireless communication system input parameter comprises:

impl_res;

a resource number.

20. The computer readable medium of claim 19, where the plurality of cell specific static input parameters comprise:

num_t_shift;

a number of cyclic shifts of a block spreading code; and

num_f shift;

a number of cyclic shifts of a frequency domain code.

21. The computer readable medium of claim 20, where the output parameters comprise a cyclic shift of the block spreading code, expressed as shift_t, for a given value of impl_res, and a cyclic shift of the frequency domain code, expressed as shift_f, for the given value of impl_res.

22. The computer readable medium of claim 21, where shift_t and shift_f are determined by operations that comprise:

23. The computer readable medium of claim 22, further comprising in a case of a limited code space comparing shift_t and shift_f to allowed values of time and frequency shifts, respectively, and if shift_t and shift_f are found to not be allowed, iterating the operations with another given value of impl_res.

24. The computer readable medium of claim 20, where the frequency domain code is comprised of a constant-amplitude zero auto-correlation (CAZAC) code.

25. The computer readable medium of claim 15, where the plurality of wireless communication system cell-specific semi-static input parameters are signaled from a base station, and where the determining operation occurs in a user equipment.

26. The computer readable medium of claim 15, where the allocated radio resources comprise ACK/NACK resources.

27. The computer readable medium of claim 26, where the ACK/NACK resources are orthogonally multiplexed within reference signal/data blocks with those of other user equipment using different cyclic shifts of a constant-amplitude zero auto-correlation (CAZAC) code base sequence.

28. The computer readable medium of claim 15, where the allocated radio resources comprise scheduling request resources.

35. The apparatus of claim 24, where the output parameters comprise a cyclic shift of the block spreading code, expressed as shift_t, for a given value of impl_res, and a cyclic shift of the frequency domain code, expressed as shift_f, for the given value of impl_res.

36. The apparatus of claim 35, where shift_t and shift_f are determined by the resource allocation unit by operations that comprise:

37. The apparatus of claim 36, further comprising in a case of a limited code space comparing shift_t and shift_f to allowed values of time and frequency shifts, respectively, and if shift_t and shift_f are found to not be allowed, iterating the operations with another given value of impl_res.

29. An apparatus comprising:

a receiver configured to receive implicit signaling of a radio resource; and

a resource allocation unit configured to respond to the received implicit signaling, and a plurality of wireless communication system cell-specific static and semi-static input parameters, to determine a plurality of output parameters to use in allocating uplink radio resources.

30. The apparatus of claim 29, where the plurality of output parameters comprise a cyclic shift of a block spreading code and a cyclic shift of a frequency domain code.

31. The apparatus method of claim 29, where the plurality of wireless communication system cell-specific semi-static input parameters are received by implicit signaling.

32. The apparatus of claim 29, where the plurality of wireless communication system cell-specific semi-static input parameters comprise:

res_—

1st;

a resource number of a first implicit resource; and

shift_diff;

a cyclic shift difference between two implicit resources.

33. The apparatus of claim 32, where a further wireless communication system input parameter comprises:

impl_res;

a resource number.

34. The apparatus of claim 33, where the plurality of cell specific static input parameters comprise:

num_t_shift;

a number of cyclic shifts of a block spreading code; and

num_f_shift;

a number of cyclic shifts of a frequency domain code.

38. The apparatus as in claim 34, where the frequency domain code is comprised of a constant-amplitude zero auto-correlation (CAZAC) code.

39. The apparatus of claim 29, where the plurality of wireless communication system cell-specific semi-static input parameters are signaled from a base station, and where the resource allocation unit is embodied in a user equipment.

40. The apparatus of claim 29, where the allocated radio resources comprise ACK/NACK resources.

41. The apparatus of claim 40, where the ACK/NACK resources are orthogonally multiplexed within reference signal/data blocks with those of other user equipment using different cyclic shifts of a constant-amplitude zero auto-correlation (CAZAC) code base sequence.

42. The apparatus of claim 29, where the allocated radio resources comprise scheduling request resources.

43. An apparatus comprising:

means for receiving implicit signaling of a radio resource; and

means for determining a plurality of output parameters to use in allocating uplink radio resources, said determining means using the received implicit signaling and a plurality of wireless communication system cell-specific static and semi-static input parameters.

44. A user equipment comprising:

a receiver configured to receive implicit signaling of a radio resource; and

a resource allocation unit configured to respond to the received implicit signaling, and a plurality of wireless communication system cell-specific static and semi-static input parameters, to determine a plurality of output parameters to use in allocating uplink radio resources, where

the plurality of output parameters comprise a cyclic shift of a block spreading code and a cyclic shift of a frequency domain code;

the plurality of wireless communication system cell-specific semi-static input parameters are received by implicit signaling;

where

the plurality of wireless communication system cell-specific semi-static input parameters comprise

res_—

1st;

a resource number of a first implicit resource; and

shift_diff;

a cyclic shift difference between two implicit resources;

where

a further wireless communication system input parameter comprises impl_res;

a resource number;

where

the plurality of cell specific static input parameters comprise

num_t_shift;

a number of cyclic shifts of a block spreading code; and

num_f_shift;

a number of cyclic shifts of a frequency domain code;

where

the output parameters comprise a cyclic shift of the block spreading code, expressed as shift_t, for a given value of impl_res, and a cyclic shift of the frequency domain code, expressed as shift_f, for the given value of impl_res; and

where

shift_t and shift_f are determined by the resource allocation unit by operations that comprise;

45. The user equipment of claim 44, further comprising in a case of a limited code space comparing shift_t and shift_f to allowed values of time and frequency shifts, respectively, and if shift_t and shift_f are found to not be allowed, iterating the operations with another given value of impl_res.

46. The user equipment of claim 44, where the frequency domain code is comprised of a constant-amplitude zero auto-correlation (CAZAC) code.

47. The user equipment of claim 44, where the allocated radio resources comprise ACK/NACK resources that are orthogonally multiplexed within reference signal/data blocks with those of other user equipment using different cyclic shifts of a constant-amplitude zero auto-correlation (CAZAC) code base sequence.

48. The user equipment of claim 44, where the allocated radio resources comprise scheduling request resources.

49. A wireless network device, comprising:

a resource unit configured to specify information for a user equipment, the information comprising a plurality of cell-specific static and semi-static input parameters, said semi-static input parameters comprising;

res_—

1st;

a resource number of a first implicit resource;

shift_diff;

a cyclic shift difference between two implicit resources;

the information further comprising a value for impl_res;

a resource number; and

a transmitter to transmit the information to the user equipment for use in allocating resources to be used for sending at least one of ACK/NACK and SR signaling to the wireless network device.

50. The wireless network device of claim 49, where the plurality of cell-specific semi-static input parameters signal cyclic shifts of 36 implicit resources using a maximum of 6 bits to signal the res_—

1st parameter for a reference signal resource, a maximum of 6 bits to signal the res_—

1st parameter for a data resource, a maximum of 3 bits to signal the shift_diff parameter for the reference signal resource and a maximum of 3 bits to signal the shift_diff parameter for the data resource.

51. The wireless network device of claim 49, where allowed_f_shift and allowed_t_shift parameters are signaled for a case of a constrained code space for indicating allowable values of a cyclic shift of a block spreading code shift_t, for a given value of impl_res, and allowable values of a cyclic shift of a frequency domain code shift_f, for the given value of impl_res.

52. The wireless network device of claim 49, where the wireless network comprises an E-UTRAN network (a LTE network), and where the at least one of ACK/NACK and SR signaling is received on a PUCCH.