Methods and apparatus for efficient service layer assistance for modem sleep operations

• US 9,292,077 B2
• Filed: 01/04/2013
• Issued: 03/22/2016
• Est. Priority Date: 01/04/2013
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Tiedemann, Edward George, Krishnaswamy, Dilip
• Primary Examiner(s): Stoynov, Stefan
• Application Number:
  US13/734,808
• Publication Number:
  US 20140195836A1
• Time in Patent Office: 1,173 Days
• US Class Current: 1/1
• CPC Class Codes: G06F 1/3278 Power saving in modem or I/O interface
• CPC Class Codes: H04B 7/15 Active relay systems
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 52/0225 using monitoring of external events, e.g. the presence of a signal
• CPC Class Codes: H04W 52/0229 where the received signal is a wanted signal
• CPC Class Codes: H04W 52/0235 where the received signal is a power saving command
• CPC Class Codes: H04W 52/0258 controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A method, an apparatus, and a computer program product for wireless communication are provided in connection with improving wireless device power consumption in an M2M environment. In an example, a service layer module equipped to obtain a network value indicating that a service layer transaction is complete and no additional activity associated with the service layer transaction is expected from a network entity, determine that no additional activity associated with the service layer transaction is expected from a wireless device application, generate a sleep mode value based on the reception of the network value and upon the determination, and provide the sleep mode value to a modem subsystem and/or an application subsystem indicating that it is allowed to enter a sleep mode. In an aspect, the sleep mode value may be provided using cross layer signaling between a service layer and modem processing layer.

Claims

1. A method of communications performed by a service layer module, comprising:

obtaining a network value indicating that a service layer transaction is complete and no additional activity associated with the service layer transaction is expected from a network entity;

determining whether additional activity associated with the service layer transaction is expected from one or more applications associated with a wireless device;

generating a sleep mode value based on the network value and upon a determination that no additional activity associated with the service layer transaction is expected from the one or more applications associated with the wireless device; and

providing the sleep mode value to at least one of a modem subsystem or an application subsystem, wherein the sleep mode value indicates that the at least one of the modem subsystem or the application subsystem is allowed to enter a sleep mode.

2. The method of claim 1, wherein the obtaining further comprises receiving a service layer packet data unit (PDU), and wherein the service layer PDU includes an address of the network entity, an address of the wireless device, and a transaction identifier (ID) associated with the service layer transaction.

3. The method of claim 2, wherein the service layer PDU further includes at least one of:

a service layer identifier for the network entity, a service layer identifier for the wireless device, or one or more transmission control protocol/user datagram protocol (TCP/UDP) port numbers for an application associated with the service layer transaction.

4. The method of claim 2, wherein the service layer PDU is hashed to verify integrity, encrypted using a session key, or any combination thereof.

5. The method of claim 1, wherein the network value comprises a boolean value set to 1.

6. The method of claim 1, wherein the determining further comprises setting a local value to indicate that the service layer transaction is complete and no additional activity associated with the service layer transaction is expected from the one or more applications associated with the wireless device.

7. The method of claim 6, wherein the local value comprises a boolean value set to 1.

8. The method of claim 6, wherein the generating further comprises combining the network value and the local value to generate the sleep mode value.

9. The method of claim 1, wherein the network entity comprises at least one:

an access point (AP), a femto node, a pico node, a nodeB, an eNodeB, a radio network controller (RNC), or any combination thereof.

10. The method of claim 1, wherein the network entity is an intermediate node that is configured to initiate a connection on behalf of the wireless device to assist with communication of data associated with the service layer transaction.

11. The method of claim 1, wherein the providing further comprises updating a value based on the sleep mode value in a register shared with at least one of the modem subsystem or the application subsystem.

12. The method of claim 11, wherein the sleep mode value in the register indicates that:

a subsystem is to wake up for a data task processing, the data task is in progress, or the data task is complete.

13. The method of claim 12, wherein the sleep mode value in the register further indicates a transport protocol associated with the data task.

14. The method of claim 1, wherein the service layer module is associated with at least one of:

the wireless device, or an intermediate node.

15. A method of communication for a modem, comprising:

determining whether a sleep mode value is set to allow the modem to enter a sleep mode, wherein the sleep mode value indicates a service layer transaction with a network entity is complete and no additional activity associated with the service layer transaction is expected from an application; and

entering the sleep mode upon a determination that the sleep mode value is set to allow the modem to enter the sleep mode.

16. The method of claim 15, wherein the determining further comprising checking a register for the sleep mode value, wherein the sleep mode value in the register indicates that:

a subsystem is to wake up for a data task processing, the data task is in progress, or the data task is complete.

17. The method of claim 15, wherein the determining further comprises:

determining that an internal sleep timer has expired, and wherein the entering the sleep mode is further based on the determination that the internal sleep timer has expired.

18. The method of claim 15, wherein the determining further comprises determining that an internal sleep timer has expired, further comprising prohibiting the modem from entering the sleep mode upon a determination that the sleep mode value is not set to allow the modem to enter the sleep mode.

19. An apparatus for communications, comprising:

means for obtaining a network value indicating that a service layer transaction is complete and no additional activity associated with the service layer transaction is expected from a network entity;

means for determining whether additional activity associated with the service layer transaction is expected from one or more applications associated with a wireless device;

means for generating a sleep mode value based on the network value and upon a determination that no additional activity associated with the service layer transaction is expected from the one or more applications associated with the wireless device; and

means for providing the sleep mode value to at least one of a modem subsystem or an application subsystem, wherein the sleep mode value indicates that the at least one of the modem subsystem or the application subsystem is allowed to enter a sleep mode.

20. The apparatus of claim 19, wherein the means for obtaining is further configured to receive a service layer packet data unit (PDU), and wherein the service layer PDU includes an address of the network entity, an address of the wireless device, and a transaction identifier (ID) associated with the service layer transaction.

21. The apparatus of claim 20, wherein the service layer PDU further includes at least one of:

a service layer identifier for the network entity, a service layer identifier for the wireless device, or one or more transmission control protocol/user datagram protocol (TCP/UDP) port numbers for an application associated with the service layer transaction.

22. The apparatus of claim 20, wherein the service layer PDU is hashed to verify integrity, encrypted using a session key, or any combination thereof.

23. The apparatus of claim 19, wherein the network value comprises a boolean value set to 1.

24. The apparatus of claim 19, wherein the means for determining is further configured to set a local value to indicate that the service layer transaction is complete and no additional activity associated with the service layer transaction is expected from the one or more applications associated with the wireless device.

25. The apparatus of claim 24, wherein the local value comprises a boolean value set to 1.

26. The apparatus of claim 24, wherein the means for generating is further configured to combine the network value and the local value to generate the sleep mode value.

27. The apparatus of claim 19, wherein the network entity comprises at least one:

an access point (AP), a femto node, a pico node, a nodeB, an eNodeB, a radio network controller (RNC), or any combination thereof.

28. The apparatus of claim 19, wherein the network entity is an intermediate node that is configured to initiate a connection on behalf of the wireless device to assist with communication of data associated with the service layer transaction.

29. The apparatus of claim 19, wherein the means for providing is further configured to update a value based on the sleep mode value in a register shared with at least one of the modem subsystem or the application subsystem.

30. The apparatus of claim 29, wherein the sleep mode value in the register indicates that:

a subsystem is to wake up for a data task processing, the data task is in progress, or the data task is complete.

31. The apparatus of claim 30, wherein the sleep mode value in the register further indicates a transport protocol associated with the data task.

32. The apparatus of claim 19, wherein the apparatus is associated with at least one of:

the wireless device, or an intermediate node.

33. An apparatus for communication, comprising:

means for determining whether a sleep mode value is set to allow a modem to enter a sleep mode, wherein the sleep mode value indicates a service layer transaction with a network entity is complete and no additional activity associated with the service layer transaction is expected from an application; and

means for entering the sleep mode upon a determination that the sleep mode value is set to allow the modem to enter the sleep mode.

34. The apparatus of claim 33, wherein the means for determining is further configured to check a register for the sleep mode value, wherein the sleep mode value in the register indicates that:

a subsystem is to wake up for a data task processing, the data task is in progress, or the data task is complete.

35. The apparatus of claim 33, wherein the means for determining is further configured to determine that an internal sleep timer has expired, and wherein the means for entering the sleep mode is further based on the determination that the internal sleep timer has expired.

36. The apparatus of claim 33, wherein the means for determining is further configured to determine that an internal sleep timer has expired, wherein the means for entering is further configured to prohibit the modem from entering the sleep mode upon a determination that the sleep mode value is not set to allow the modem to enter the sleep mode.

37. An apparatus for communications, comprising:

a processing system configured to;

obtain a network value indicating that a service layer transaction is complete and no additional activity associated with the service layer transaction is expected from a network entity;

determine whether additional activity associated with the service layer transaction is expected from one or more applications associated with a wireless device;

generate a sleep mode value based on the network value and upon a determination that no additional activity associated with the service layer transaction is expected from the one or more applications associated with the wireless device; and

provide the sleep mode value to at least one of a modem subsystem or an application subsystem, wherein the sleep mode value indicates that the at least one of the modem subsystem or the application subsystem is allowed to enter a sleep mode.

38. The apparatus of claim 37, wherein the processing system is configured to receive a service layer packet data unit (PDU), and wherein the service layer PDU includes an address of the network entity, an address of the wireless device, and a transaction identifier (ID) associated with the service layer transaction.

39. The apparatus of claim 38, wherein the service layer PDU further includes at least one of:

a service layer identifier for the network entity, a service layer identifier for the wireless device, or one or more transmission control protocol/user datagram protocol (TCP/UDP) port numbers for an application associated with the service layer transaction.

40. The apparatus of claim 38, wherein the service layer PDU is hashed to verify integrity, encrypted using a session key, or any combination thereof.

41. The apparatus of claim 37, wherein the network value comprises a boolean value set to 1.

42. The apparatus of claim 37, wherein the processing system is configured to set a local value to indicate that the service layer transaction is complete and no additional activity associated with the service layer transaction is expected from the one or more applications associated with the wireless device.

43. The apparatus of claim 42, wherein the local value comprises a boolean value set to 1.

44. The apparatus of claim 42, wherein the processing system is configured to combine the network value and the local value to generate the sleep mode value.

45. The apparatus of claim 37, wherein the network entity comprises at least one:

an access point (AP), a femto node, a pico node, a nodeB, an eNodeB, a radio network controller (RNC), or any combination thereof.

46. The apparatus of claim 37, wherein the network entity is an intermediate node that is configured to initiate a connection on behalf of the wireless device to assist with communication of data associated with the service layer transaction.

47. The apparatus of claim 37, wherein the processing system is configured to update a value based on the sleep mode value in a register shared with at least one of the modem subsystem or the application subsystem.

48. The apparatus of claim 47, wherein the sleep mode value in the register indicates that:

a subsystem is to wake up for a data task processing, the data task is in progress, or the data task is complete.

49. The apparatus of claim 48, wherein the sleep mode value in the register further indicates a transport protocol associated with the data task.

50. The apparatus of claim 37, wherein the processing system is associated with at least one of:

the wireless device, or an intermediate node.

51. An apparatus for communication, comprising:

a processing system configured to;

determine whether a sleep mode value is set to allow a modem to enter a sleep mode, wherein the sleep mode value indicates a service layer transaction with a network entity is complete and no additional activity associated with the service layer transaction is expected from an application; and

enter the sleep mode upon a determination that the sleep mode value is set to allow the modem to enter the sleep mode.

52. The apparatus of claim 51, wherein the processing system is configured to check a register for the sleep mode value, wherein the sleep mode value in the register indicates that:

a subsystem is to wake up for a data task processing, the data task is in progress, or the data task is complete.

53. The apparatus of claim 51, wherein the processing system is configured to:

determine that an internal sleep timer has expired; and

enter the sleep mode is further based on the determination that the internal sleep timer has expired.

54. The apparatus of claim 51, wherein the processing system is configured to:

determine that an internal sleep timer has expired; and

prohibit the modem from entering the sleep mode upon a determination that the sleep mode value is not set to allow the modem to enter the sleep mode.

55. A non-transitory computer-readable medium comprising code for:

obtaining a network value indicating that a service layer transaction is complete and no additional activity associated with the service layer transaction is expected from a network entity;

determining whether additional activity associated with the service layer transaction is expected from one or more applications associated with a wireless device;

generating a sleep mode value based on the network value and upon a determination that no additional activity associated with the service layer transaction is expected from the one or more applications associated with the wireless device; and

providing the sleep mode value to at least one of a modem subsystem or an application subsystem, wherein the sleep mode value indicates that the at least one of the modem subsystem or the application subsystem is allowed to enter a sleep mode.

56. The non-transitory computer-readable medium of claim 55, further comprising code for receiving a service layer packet data unit (PDU), and wherein the service layer PDU includes an address of the network entity, an address of the wireless device, and a transaction identifier (ID) associated with the service layer transaction.

57. The non-transitory computer-readable medium of claim 56, wherein the service layer PDU further includes at least one of:

a service layer identifier for the network entity, a service layer identifier for the wireless device, or one or more transmission control protocol / user datagram protocol (TCP/UDP) port numbers for an application associated with the service layer transaction.

58. The non-transitory computer-readable medium of claim 56, wherein the service layer PDU is hashed to verify integrity, encrypted using a session key, or any combination thereof.

59. The non-transitory computer-readable medium of claim 55, wherein the network value comprises a boolean value set to 1.

60. The non-transitory computer-readable medium of claim 55, further comprising code for setting a local value to indicate that the service layer transaction is complete and no additional activity associated with the service layer transaction is expected from the one or more applications associated with the wireless device.

61. The non-transitory computer-readable medium of claim 60, wherein the local value comprises a boolean value set to 1.

62. The non-transitory computer-readable medium of claim 60, further comprising code for combining the network value and the local value to generate the sleep mode value.

63. The non-transitory computer-readable medium of claim 55, wherein the network entity comprises at least one:

an access point (AP), a femto node, a pico node, a nodeB, an eNodeB, a radio network controller (RNC), or any combination thereof.

64. The non-transitory computer-readable medium of claim 55, wherein the network entity is an intermediate node that is configured to initiate a connection on behalf of the wireless device to assist with communication of data associated with the service layer transaction.

65. The non-transitory computer-readable medium of claim 55, further comprising code for updating a value based on the sleep mode value in a register shared with at least one of the modem subsystem or the application subsystem.

66. The non-transitory computer-readable medium of claim 65, wherein the sleep mode value in the register indicates that:

a subsystem is to wake up for a data task processing, the data task is in progress, or the data task is complete.

67. The non-transitory computer-readable medium of claim 66, wherein the sleep mode value in the register further indicates a transport protocol associated with the data task.

68. The non-transitory computer-readable medium of claim 55, wherein the non-transitory computer-readable medium is associated with at least one of:

the wireless device, or an intermediate node.

69. A non-transitory computer-readable medium comprising code for:

determining whether a sleep mode value is set to allow a modem to enter a sleep mode, wherein the sleep mode value indicates a service layer transaction with a network entity is complete and no additional activity associated with the service layer transaction is expected from an application; and

entering the sleep mode upon a determination that the sleep mode value is set to allow the modem to enter the sleep mode.

70. The non-transitory computer-readable medium of claim 69, further comprising code for checking a register for the sleep mode value, wherein the sleep mode value in the register indicates that:

a subsystem is to wake up for a data task processing, the data task is in progress, or the data task is complete.

71. The non-transitory computer-readable medium of claim 69, further comprising code for:

determining that an internal sleep timer has expired, and wherein the entering the sleep mode is further based on the determination that the internal sleep timer has expired.

72. The non-transitory computer-readable medium of claim 69, further comprising code for determining that an internal sleep timer has expired, further comprising prohibiting the modem from entering the sleep mode upon a determination that the sleep mode value is not set to allow the modem to enter the sleep mode.