Methods, Apparatuses, System, Related Computer Program Product and Data Structure for Uplink Scheduling

• US 20120106472A1
• Filed: 03/31/2009
• Published: 05/03/2012
• Est. Priority Date: 03/31/2009
• Status: Abandoned Application

• Current Assignee: Nokia Solutions and Networks US LLC (Nokia Corporation)
• Original Assignee: Nokia Solutions and Networks US LLC (Nokia Corporation)
• Inventors: Rosa, Claudio, Frederiksen, Frank, Tiirola, Esa Tapani, Pajukoski, Kari Pekka, Hooli, Kari Juhani, Roessel, Sabine, Ball, Carsten
• Application Number:
  US13/262,047
• Publication Number:
  US 20120106472A1
• Time in Patent Office: Days
• US Class Current: 370/329
• 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 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04L 5/0073 Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/12 Wireless traffic scheduling
• CPC Class Codes: H04W 72/541 using the level of interference

Abstract

It is disclosed a method (and related apparatus) including allocating a first bandwidth portion of a first transmission channel of a first communication network cell based on a restriction imposed by a second bandwidth portion, at least partially overlapping the first bandwidth portion, of a second transmission channel of at least one second communication network cell neighboring the first communication network cell; and a method (and related apparatus) including transmitting signals relating to at least one of control and data in an allocated first bandwidth portion of the first transmission channel of the first communication network cell allocated based on the restriction imposed by the second bandwidth portion, at least partially overlapping the first bandwidth portion, of the second transmission channel of the at least one second communication network cell neighboring the first communication network cell.

Claims

1. A method, comprising:

allocating a first bandwidth portion of a first transmission channel of a first communication network cell based on a restriction imposed by a second bandwidth portion, at least partially overlapping the first bandwidth portion, of a second transmission channel of at least one second communication network cell neighboring the first communication network cell.

3. The method according to claim 1, wherein an availability of the first bandwidth portion is restricted based on a set of available resource blocks.

4. The method according to claim 3, wherein the restriction is applicable to predetermined resource blocks of the first bandwidth portion.

5. The method according to claim 3, wherein the restriction is applicable only to a predetermined part of the first bandwidth portion.

6. The method according to claim 5, wherein the predetermined part is defined based on a preset parameter indicating a maximum number of resource blocks available for control purposes.

7. The method according to claim 6, wherein the preset parameter is a N HO/RB parameter having the same value for the first and the at least one second communication network cells and being sized based on a scheduling decision relating to the first communication network cell.

8. The method according to claim 5, wherein the predetermined part is further defined based on a settable parameter in the physical control channel used to signal acknowledgements, negative acknowledgements and scheduling requests.

9. The method according to claim 5, wherein the predetermined part relates to signaling acknowledgements and negative acknowledgements of a dynamically scheduled downlink shared channel.

10. The method according to claim 7, further comprising a preset parameter N (1)/PUCCH for physical uplink control channel configuration.

11. The method according to claim 7, further comprising a preset parameter N (1)/PUCCH set such that a border of cell-specific resources is in-between two resource blocks.

12. The method according to claim 1, wherein an availability of the first bandwidth portion is restricted based on a medium to high interference level caused by users of the at least one second communication network cell.

13. The method according to claim 12, wherein the interference level of the users is determined based on at least one of a reference signal received power measurement and power headroom reports.

14. The method according to claim 1,

wherein an availability of the first bandwidth portion is restricted based on a medium to high interference level caused by users of the at least one second communication network cell, and

further comprising receiving a network parameter defining a pan-network region of the first and second transmission channels.

15. The method according to claim 14, wherein the network parameter relates to a configuration for configuring each of the first and the at least one second communication network cells to use an individual part of the pan-network region.

16. The method according to claim 14, wherein the network parameter relates to a configuration for configuring each of the first and the at least one second communication network cells to automatically select the pan-network region from a set of resources defined by the pan-network region.

17. The method according to claim 16, wherein the automatic selection is based on one of sensing during setup and cell-specific parameter.

18. The method according to claim 17, wherein the cell-specific parameter is a cell identifier.

19. The method according to claim 3, wherein:

an availability of the first bandwidth portion is restricted based on a medium to high interference level caused by users of the at least one second communication network cell, and

wherein the availability of the first bandwidth portion is restricted based on the set of available resource blocks, if a load on the first communication network cell is low to medium, and

the availability of the first bandwidth portion is restricted based on the medium to high interference level caused by the users if the load on the first communication network cell is medium to high.

20. The method according to claim 1, wherein at least one of the following applies:

the first and second bandwidth portions are each constituted by at least one resource block;

the resource block relates to a physical uplink control channel;

the resource block relates to a physical uplink shared channel; and

the first and second transmission channels are each constituted by a physical uplink shared channel.

45. A computer program product comprising code means for performing a method according to claim 1 when run on a processing means or module.

2. A method, comprising:

transmitting signals relating to at least one of control and data in an allocated first bandwidth portion of a first transmission channel of a first communication network cell allocated based on a restriction imposed by a second bandwidth portion, at least partially overlapping the first bandwidth portion, of a second transmission channel of at least one second communication network cell neighboring the first communication network cell.

21. An apparatus, comprising:

means for allocating a first bandwidth portion of a first transmission channel of a first communication network cell based on a restriction imposed by a second bandwidth portion, at least partially overlapping the first bandwidth portion, of a second transmission channel of at least one second communication network cell neighboring the first communication network cell.

23. The apparatus according to claim 21, wherein an availability of the first bandwidth portion is restricted based on a set of available resource blocks.

24. The apparatus according to claim 23, wherein the restriction is applicable to predetermined resource blocks of the first bandwidth portion.

25. The apparatus according to claim 23, wherein the restriction is applicable only to a predetermined part of the first bandwidth portion.

26. The apparatus according to claim 25, wherein the predetermined part is defined based on a preset parameter indicating a maximum number of first bandwidth portions reserved for control purposes.

27. The apparatus according to claim 26, wherein the preset parameter is a N HO/RB parameter having the same value for the first and the at least one second communication network cells and being sized based on a scheduling decision relating to the first communication network cell.

28. The apparatus according to claim 25, wherein the predetermined part is further defined based on a settable parameter in the physical control channel used to signal acknowledgements, negative acknowledgements and scheduling requests.

29. The apparatus according to claim 25, wherein the predetermined part relates to signaling acknowledgements and negative acknowledgements of a dynamically scheduled downlink shared channel.

30. The apparatus according to claim 27, further comprising a preset parameter N (1)/PUCCH for physical uplink control channel configuration.

31. The apparatus according to claim 27, further comprising a preset parameter N (1)/PUCCH set such that a border of cell-specific resources is in-between two resource blocks.

32. The apparatus according to claim 21, wherein an availability of the first bandwidth portion is restricted based on a medium to high interference level caused by users of the at least one second communication network cell.

33. The apparatus according to claim 32, wherein the interference level of the users is determined based on at least one of a reference signal received power measurement and power headroom reports.

34. The apparatus according to claim 21, further comprising means for receiving a network parameter defining a pan-network region of the first and second transmission channels and,

wherein an availability of the first bandwidth portion is restricted based on a medium to high interference level caused by users of the at least one second communication network cell.

35. The apparatus according to claim 34, wherein the network parameter relates to a configuration for configuring each of the first and the at least one second communication network cells to use an individual part of the pan-network region.

36. The apparatus according to claim 34, wherein the network parameter relates to a configuration for configuring each of the first and the at least one second communication network cells to automatically select the pan-network region from a set of resources defined by the pan-network region.

37. The apparatus according to claim 36, wherein the automatic selection is based on one of sensing during setup and cell-specific parameter.

38. The apparatus according to claim 37, wherein the cell-specific parameter is a cell identifier.

39. The apparatus according to claim 23, wherein:

an availability of the first bandwidth portion is restricted based on a medium to high interference level caused by users of the at least one second communication network cell, and

wherein the availability of the first bandwidth portion is restricted based on the set of available resource blocks, if a load on the first communication network cell is low to medium, and the availability of the first bandwidth portion is restricted based on the medium to high interference level caused by the users if the load on the first communication network cell is medium to high.

40. The apparatus according to claim 21, wherein at least one of the following applies:

the first and second bandwidth portions are each constituted by at least one resource block;

the resource block relates to a physical uplink control channel;

the resource block relates to a physical uplink shared channel; and

the first and second transmission channels are each constituted by a physical uplink shared channel.

41. The apparatus according to claim 21, wherein the apparatus is constituted by an evolved node B.

43. The apparatus according to claim 21, wherein at least one, or more of means for allocating, means for transmitting and means for receiving and the apparatus is implemented as a chipset or module.

44. A system, comprising:

an evolved nodeB according to claim 21;

a user equipment comprising means for transmitting data in an allocated first bandwidth portion of a first transmission channel of a first communication network cell allocated based on a restriction imposed by a second bandwidth portion, at least partially overlapping the first bandwidth portion, of a second transmission channel of at least one second communication network cell neighboring the first communication network cell, and a further evolved nodeB belonging to the at least one second communication network cell.

22. An apparatus, comprising:

means for transmitting data in an allocated first bandwidth portion of a first transmission channel of a first communication network cell allocated based on a restriction imposed by a second bandwidth portion, at least partially overlapping the first bandwidth portion, of a second transmission channel of at least one second communication network cell neighboring the first communication network cell.

42. The apparatus according to claim 22, wherein the apparatus is constituted by a user equipment.

46. A data structure, comprising:

a first bandwidth portion related to a first communication network cell, the first bandwidth portion being restricted based on a restriction imposed by a second bandwidth portion, at least partially overlapping the first bandwidth portion, of another data structure of at least one second communication network cell neighboring the first communication network cell.

47. The data structure according to claim 46, wherein an availability of the first bandwidth portion is restricted based on a set of available resource blocks.

48. The data structure according to claim 47, wherein the restriction is applicable to predetermined resource blocks of the first bandwidth portion.

49. The data structure according to claim 47, wherein the restriction is applicable only to a predetermined part of the first bandwidth portion.

50. The data structure according to claim 46, wherein an availability of the first bandwidth portion is restricted based on a medium to high interference level caused by users of the at least one second communication network cell.

51. The data structure according to claim 47, wherein:

an availability of the first bandwidth portion is restricted based on a medium to high interference level caused by users of the at least one second communication network cell, and

wherein the availability of the first bandwidth portion is restricted based on the set of available resource blocks, if a load on the first communication network cell is low to medium, and

the availability of the first bandwidth portion is restricted based on the medium to high interference level caused by the users if the load on the first communication network cell is medium to high.

52. The data structure according to claim 46, wherein at least one of the following applies:

the first and second bandwidth portions are each constituted by at least one resource block;

the resource block relates to a physical uplink control channel;

the resource block relates to a physical uplink shared channel; and

the first and second transmission channels are each constituted by a physical uplink shared channel.