Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020222699 - LAYER 1 (L1) SIGNALING FOR FAST SECONDARY CELL (SCELL) MANAGEMENT

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

What is claimed is:

1. A method implemented a wireless device, WD (22), configured to operate on a primary cell and one or more secondary cells, Scells, the method comprising:

operating (SI 38) on a first bandwidth part, BWP, of a plurality of bandwidth parts, BWPs, the plurality of BWPs being configured for the WD (22) on at least one secondary cell, Scell, of the one or more Scells;

receiving (S140) a command via a physical downlink control channel, PDCCH, signaling on the primary cell; and

responsive to receiving the command via the PDCCH signaling, performing (S142) at least one procedure for the at least one Scell of the one or more Scells, the at least one procedure including operating on one of the first BWP and a second BWP of the plurality of BWPs based on whether a first value or a second value is indicated for the at least one Scell by the command, the WD (22) being configured to not monitor PDCCH for at least one of the first BWP and the second BWP.

2. The method of Claim 1, wherein when the WD (22) is configured to monitor PDCCH when operating on the first BWP, performing the at least one procedure for the at least one Scell includes switching to operate on the second BWP when the first value is indicated for the at least one Scell by the command, wherein the WD (22) is configured to not monitor PDCCH when operating on the second BWP.

3. The method of Claim 2, wherein performing the at least one procedure for the at least one Scell further includes continuing to operate on the first BWP when the second value is indicated for the at least one Scell by the command.

4. The method of any one of Claims 1-3, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP, performing the at least one procedure for the at least one Scell includes continuing to operate on the first BWP when the first value is indicated for the at least one Scell by the command.

5. The method of Claim 4, wherein performing the at least one procedure for the at least one Scell further includes switching to operate on the second BWP when the second value is indicated for the at least one Scell by the command, wherein the WD (22) is configured to monitor PDCCH when operating on the second BWP.

6. The method of any one of Claims 1-5, wherein a BWP index, for the second BWP is configured by higher layers.

7. The method of any one of Claims 1-6, wherein the first value is 0 and the second value is 1.

8. The method of any one of Claims 1-7, wherein at least one of the first BWP and the second BWP is configured with one or more PDCCH candidates.

9. The method of any one of Claims 1-8, wherein the BWP for which the WD (22) is configured to not monitor PDCCH is a predefined BWP, the predefined BWP being configured with no PDCCH candidates.

10. The method of Claim 9, further comprising:

receiving higher layer signaling, the higher layer signaling indicating the predefined BWP.

11. The method of any one of Claims 1-10, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP and the second value is indicated for the at least one Scell by the command, the second BWP is a BWP with a lowest BWP index among a plurality of BWP indices, each BWP index corresponding to a respective one of the plurality of BWPs.

12. The method of any one of Claims 1-10, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP and the second value is indicated for the at least one Scell by the command, the second BWP is based at least in part on a most recent active BWP for which the WD (22) is configured to monitor PDCCH.

13. The method of any one of Claims 1-12, further comprising:

receiving a higher layer signaling, the higher layer signaling including a BWP index indicating one of the first BWP and the second BWP.

14. The method of any one of Claims 10 and 13, wherein the higher layer signaling is one of a radio resource control, RRC, signaling and a medium access control, MAC, control element, CE, signaling.

15. The method of any one of Claims 1-14, wherein receiving the command via the PDCCH signaling comprises receiving a physical uplink control channel, PUCCH, resource indicator in a downlink control information, DCI, the PUCCH resource indicator indicating a resource for a Hybrid Automatic Repeat reQuest Acknowledgement, HARQ-ACK, for the command.

16. The method of Claim 15, wherein receiving the command via the PDCCH signaling further comprises receiving a HARQ feedback timing indicator in the DCI, the HARQ feedback timing indicator indicating a slot for the HARQ-ACK for the command.

17. The method of any one of Claims 1-16, wherein receiving the command via the PDCCH signaling comprises receiving the command as a wake-up signal.

18. The method of any one of Claims 1-17, wherein the command is included in a physical downlink control channel, PDCCH, downlink control information, DCI, along with a set of bits for power savings when the WD (22) is configured to receive a PDCCH DCI format configured for power savings.

19. The method of any one of Claims 1-18, wherein the WD (22) is configured with N Scells and the command includes N bits, each bit of the N bits corresponding to a respective one of the N Scells.

20. The method of any one of Claims 1-19, wherein when a second Scell of the one or more Scells is configured with a single BWP, responsive to receiving the command via the PDCCH signaling, monitoring or not monitoring PDCCH on the single BWP of the second Scell based on whether the first value or the second value is indicated for the second Scell by the command.

21. A method implemented a network node (16) configured to configure a wireless device, WD (22), to operate on a primary cell and one or more secondary cells, Scells, the method comprising:

configuring (SI 34) the WD (22) to operate on a first bandwidth part, BWP, of a plurality of bandwidth parts, BWPs, the plurality of BWPs being configured for the WD (22) on at least one secondary cell, Scell, of the one or more Scells; and

sending (SI 36) a command via a physical downlink control channel, PDCCH, signaling on the primary cell, the command indicating at least one procedure to be performed by the WD (22) for the at least one Scell of the one or more Scells, the at least one procedure for the WD (22) including operating on one of the first BWP and a second BWP of the plurality of BWPs based on whether a first value or a second value is indicated for the at least one Scell by the command, the WD (22) being configured to not monitor PDCCH for at least one of the first BWP and the second BWP.

22. The method of Claim 21, wherein when the WD (22) is configured to monitor PDCCH when operating on the first BWP, the at least one procedure for the at least one Scell includes the WD (22) switching to operate on the second BWP when the first value is indicated for the at least one Scell by the command, wherein the WD (22) is configured to not monitor PDCCH when operating on the second BWP.

23. The method of Claim 22, wherein the at least one procedure for the at least one Scell further includes the WD (22) continuing to operate on the first BWP when the second value is indicated for the at least one Scell by the command.

24. The method of any one of Claims 21-23, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP, the at least one procedure for the at least one Scell includes the WD (22) continuing to operate on the first BWP when the first value is indicated for the at least one Scell by the command.

25. The method of Claim 24, wherein the at least one procedure for the at least one Scell further includes the WD (22) switching to operate on the second BWP when the second value is indicated for the at least one Scell by the command, wherein the WD (22) is configured to monitor PDCCH when operating on the second BWP.

26. The method of any one of Claims 21-25, wherein a BWP index, for the second BWP is configured by higher layers.

27. The method of any one of Claims 21-26, wherein the first value is 0 and the second value is 1.

28. The method of any one of Claims 21-27, wherein at least one of the first BWP and the second BWP is configured with one or more PDCCH candidates.

29. The method of any one of Claims 21-28, wherein the BWP for which the WD (22) is configured to not monitor PDCCH is a predefined BWP, the predefined BWP being configured with no PDCCH candidates.

30. The method of Claim 29, further comprising:

sending higher layer signaling, the higher layer signaling indicating the predefined BWP.

31. The method of any one of Claims 21-30, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP and the second value is indicated for the at least one Scell by the command, the second BWP is a BWP with a lowest BWP index among a plurality of BWP indices, each BWP index corresponding to a respective one of the plurality of BWPs.

32. The method of any one of Claims 21-30, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP and the second value is indicated for the at least one Scell by the command, the second BWP is based at least in part on a most recent active BWP for which the WD (22) is configured to monitor PDCCH.

33. The method of any one of Claims 21-32, further comprising:

sending a higher layer signaling, the higher layer signaling including a BWP index indicating one of the first BWP and the second BWP.

34. The method of any one of Claims 30 and 33, wherein the higher layer signaling is one of a radio resource control, RRC, signaling and a medium access control, MAC, control element, CE, signaling.

35. The method of any one of Claims 21-34, wherein sending the command via the PDCCH signaling comprises sending a physical uplink control channel, PUCCH, resource indicator in a downlink control information, DCI, the PUCCH resource indicator indicating a resource for a Hybrid Automatic Repeat reQuest Acknowledgement, HARQ-ACK, for the command.

36. The method of Claim 35, wherein sending the command via the PDCCH signaling further comprises sending a HARQ feedback timing indicator in the DCI, the HARQ feedback timing indicator indicating a slot for the HARQ-ACK for the command.

37. The method of any one of Claims 21-36, wherein sending the command via the PDCCH signaling comprises sending the command as a wake-up signal.

38. The method of any one of Claims 21-37, wherein the command is included in a physical downlink control channel, PDCCH, downlink control information, DCI, along with a set of bits for power savings when the WD (22) is configured to receive a PDCCH DCI format configured for power savings.

39. The method of any one of Claims 21-38, wherein the WD (22) is configured with N Scells and the command includes N bits, each bit of the N bits corresponding to a respective one of the N Scells.

40. The method of any one of Claims 21-39, wherein when a second Scell of the one or more Scells is configured with a single BWP, sending the command via the PDCCH signaling indicates to the WD (22) to monitor or not monitor PDCCH on the single BWP of the second Scell based on whether the first value or the second value is indicated for the second Scell by the command.

41. A wireless device, WD (22), configured to operate on a primary cell and one or more secondary cells, Scells, the WD (22) comprising processing circuitry (84), the processing circuitry (84) configured to cause the WD (22) to:

operate on a first bandwidth part, BWP, of a plurality of bandwidth parts, BWPs, the plurality of BWPs being configured for the WD (22) on at least one secondary cell, Scell, of the one or more Scells;

receive a command via a physical downlink control channel, PDCCH, signaling on the primary cell; and

responsive to receiving the command via the PDCCH signaling, perform at least one procedure for the at least one Scell of the one or more Scells, the at least one procedure including operating on one of the first BWP and a second BWP of the plurality of BWPs based on whether a first value or a second value is indicated for the at least one Scell by the command, the WD being configured to not monitor PDCCH for at least one of the first BWP and the second BWP.

42. The WD (22) of Claim 41, wherein the processing circuitry (84) is configured to cause the WD (22) to perform the at least one procedure for the at least one Scell by being configured to cause the WD (22) to:

when the WD (22) is configured to monitor PDCCH when operating on the first

BWP, switch to operate on the second BWP when the first value is indicated for the at least one Scell by the command, the WD being configured to not monitor PDCCH when operating on the second BWP.

43. The WD (22) of Claim 42, wherein the processing circuitry (84) is configured to cause the WD (22) to perform the at least one procedure for the at least one Scell by being configured to cause the WD (22) to:

continue to operate on the first BWP when the second value is indicated for the at least one Scell by the command.

44. The WD (22) of any one of Claims 41-43, wherein the processing circuitry (84) is configured to cause the WD (22) to perform the at least one procedure for the at least one Scell by being configured to cause the WD (22) to:

when the WD (22) is configured to not monitor PDCCH when operating on the first BWP, continue to operate on the first BWP when the first value is indicated for the at least one Scell by the command.

45. The WD (22) of Claim 44, wherein the processing circuitry (84) is configured to cause the WD (22) to perform the at least one procedure for the at least one Scell by being configured to cause the WD (22) to:

switch to operate on the second BWP when the second value is indicated for the at least one Scell by the command, the WD (22) being configured to monitor PDCCH when operating on the second BWP.

46. The WD (22) of any one of Claims 41-45, wherein a BWP index, for the second BWP is configured by higher layers.

47. The WD (22) of any one of Claims 41-46, wherein the first value is 0 and the second value is 1.

48. The WD (22) of any one of Claims 41-47, wherein at least one of the first BWP and the second BWP is configured with one or more PDCCH candidates.

49. The WD (22) of any one of Claims 41-48, wherein the BWP for which the WD (22) is configured to not monitor PDCCH is a predefined BWP, the predefined BWP being configured with no PDCCH candidates.

50. The WD (22) of Claim 49, wherein the processing circuitry (84) is further configured to cause the WD (22) to:

receive higher layer signaling, the higher layer signaling indicating the predefined BWP.

51. The WD (22) of any one of Claims 41-50, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP and the second value is indicated for the at least one Scell by the command, the second BWP is a BWP with a lowest BWP index among a plurality of indices, each BWP index corresponding to a respective one of the plurality of BWPs.

52. The WD (22) of any one of Claims 41-50, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP and the second value is indicated for the at least one Scell by the command, the second BWP is based at least in part on a most recent active BWP for which the WD (22) is configured to monitor PDCCH.

53. The WD (22) of any one of Claims 41-52, wherein the processing circuitry (84) is further configured to cause the WD (22) to:

receive a higher layer signaling, the higher layer signaling including a BWP index indicating one of the first BWP and the second BWP.

54. The WD (22) of any one of Claims 50 and 53, wherein the higher layer signaling is one of a radio resource control, RRC, signaling and a medium access control, MAC, control element, CE, signaling.

55. The WD (22) of any one of Claims 41-54, wherein the processing circuitry (84) is configured to cause the WD (22) to receive the command via the PDCCH signaling by being configured to cause the WD (22) to:

receive a physical uplink control channel, PUCCH, resource indicator in a downlink control information, DCI, the PUCCH resource indicator indicating a resource for a Hybrid Automatic Repeat reQuest Acknowledgement, HARQ-ACK, for the command.

56. The WD (22) of Claim 55, wherein the processing circuitry (84) is configured to cause the WD (22) to receive the command via the PDCCH signaling by further being configured to cause the WD (22) to:

receive a HARQ feedback timing indicator in the DCI, the HARQ feedback timing indicator indicating a slot for the HARQ-ACK for the command.

57. The WD (22) of any one of Claims 41-56, wherein the processing circuitry (84) is configured to cause the WD (22) to receive the command via the PDCCH signaling by being configured to cause the WD (22) to:

receive the command as a wake-up signal.

58. The WD (22) of any one of Claims 41-57, wherein the command is included in a physical downlink control channel, PDCCH, downlink control information, DCI, along with a set of bits for power savings when the WD (22) is configured to receive a PDCCH DCI format configured for power savings.

59. The WD (22) of any one of Claims 41-58, wherein the WD (22) is configured with N Scells and the command includes N bits, each bit of the N bits corresponding to a respective one of the N Scells.

60. The WD (22) of any one of Claims 41-59, wherein the processing circuitry (84) is configured to cause the WD (22) to:

when a second Scell of the one or more Scells is configured with a single BWP, responsive to receiving the command via the PDCCH signaling, monitor or not monitor PDCCH on the single BWP of the second Scell based on whether the first value or the second value is indicated for the second Scell by the command.

61. A network node (16) configured to configure a wireless device, WD (22), to operate on a primary cell and one or more secondary cells, Scells, the network node (16) comprising processing circuitry (68), the processing circuitry (68) configured to cause the network node (16) to:

configure the WD (22) to operate on a first bandwidth part, BWP, of a plurality of bandwidth parts, BWPs, the plurality of BWPs being configured for the WD (22) on at least one secondary cell, Scell, of the one or more Scells; and

send a command via a physical downlink control channel, PDCCH, signaling on the primary cell, the command indicating at least one procedure to be performed by the WD (22) for the at least one Scell of the one or more Scells, the at least one procedure for the WD (22) including operating on one of the first BWP and a second BWP of the plurality of BWPs based on whether a first value or a second value is indicated for the at least one Scell by the command, the WD (22) being configured to not monitor PDCCH for at least one of the first BWP and the second BWP.

62. The network node (16) of Claim 61, wherein when the WD (22) is configured to monitor PDCCH when operating on the first BWP, the at least one procedure for the at least one Scell includes the WD (22) switching to operate on the second BWP when the first value is indicated for the at least one Scell by the command, wherein the WD (22) is configured to not monitor PDCCH when operating on the second BWP.

63. The network node (16) of Claim 62, wherein the at least one procedure for the at least one Scell further includes the WD (22) continuing to operate on the first BWP when the second value is indicated for the at least one Scell by the command.

64. The network node (16) of any one of Claims 61-63, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP, the at least one procedure for the at least one Scell includes the WD (22) continuing to operate on the first BWP when the first value is indicated for the at least one Scell by the command.

65. The network node (16) of Claim 64, wherein the at least one procedure for the at least one Scell further includes the WD (22) switching to operate on the second BWP when the second value is indicated for the at least one Scell by the command, wherein the WD (22) is configured to monitor PDCCH when operating on the second BWP.

66. The network node (16) of any one of Claims 61-65, wherein a BWP index, for the second BWP is configured by higher layers.

67. The network node (16) of any one of Claims 61-66, wherein the first value is 0 and the second value is 1.

68. The network node (16) of any one of Claims 61-67, wherein at least one of the first BWP and the second BWP is configured with one or more PDCCH candidates.

69. The network node (16) of any one of Claims 61-68, wherein the BWP for which the WD (22) is configured to not monitor PDCCH is a predefined BWP, the predefined BWP being configured with no PDCCH candidates.

70. The network node (16) of Claim 69, further comprising:

sending higher layer signaling, the higher layer signaling indicating the predefined BWP.

71. The network node (16) of any one of Claims 61-70, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP and the second value is indicated for the at least one Scell by the command, the second BWP is a BWP with a lowest BWP index among a plurality of indices, each BWP index corresponding to a respective one of the plurality of BWPs.

72. The network node (16) of any one of Claims 61-70, wherein when the WD (22) is configured to not monitor PDCCH when operating on the first BWP and the second value is indicated for the at least one Scell by the command, the second BWP is based at least in part on a most recent active BWP for which the WD (22) is configured to monitor PDCCH.

73. The network node (16) of any one of Claims 61-72, wherein the processing circuitry (68) is configured to cause the network node (16) to:

send a higher layer signaling, the higher layer signaling including a BWP index indicating one of the first BWP and the second BWP.

74. The network node (16) of any one of Claims 70 and 73, wherein the higher layer signaling is one of a radio resource control, RRC, signaling and a medium access control, MAC, control element, CE, signaling.

75. The network node (16) of any one of Claims 61-64, wherein the processing circuitry (68) is configured to cause the network node (16) to send the command via the PDCCH signaling by being configured to cause the network node (16) to:

send a physical uplink control channel, PUCCH, resource indicator in a downlink control information, DCI, the PUCCH resource indicator indicating a resource for a Hybrid Automatic Repeat reQuest Acknowledgement, HARQ-ACK, for the command.

76. The network node (16) of Claim 75, wherein the processing circuitry (68) is further configured to cause the network node (16) to send the command via the PDCCH signaling by being configured to cause the network node (16) to:

send a Hybrid Automatic Repeat reQuest, HARQ, feedback timing indicator in the DCI, the HARQ feedback timing indicator indicating a slot for the HARQ-ACK for the command.

77. The network node (16) of any one of Claims 61-76, wherein the processing circuitry (68) is configured to cause the network node (16) to send the command via the PDCCH signaling by being configured to cause the network node (16) to:

send the command as a wake-up signal.

78. The network node (16) of any one of Claims 61-77, wherein the command is included in a physical downlink control channel, PDCCH, downlink control information, DCI, along with a set of bits for power savings when the WD (22) is configured to receive a PDCCH DCI format configured for power savings.

79. The network node (16) of any one of Claims 61-78, wherein the WD (22) is configured with N Scells and the command includes N bits, each bit of the N bits corresponding to a respective one of the N Scells.

80. The network node (16) of any one of Claims 61-79, wherein when a second Scell of the one or more Scells is configured with a single BWP, the command sent via the PDCCH signaling indicates to the WD (22) to monitor or not monitor PDCCH on the single BWP of the second Scell based on whether the first value or the second value is indicated for the second Scell by the command.