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Machine translation
1. (WO2015117082) CONFIGURED CONDITION FOR RADIO RESOURCE CONTROL CONNECTION RE-ESTABLISHMENT PROCEDURE
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

WE CLAIM:

1. A method, comprising:

detecting, by a user equipment, a predetermined condition; and

based on the detected predetermined condition, initiating sending an indication to a network element,

wherein said indication comprises at least one of:

a measurement result of a cell serving the user equipment,

a measurement result of a neighbor cell,

a random access problem indication, or

an indication from radio link control (RLC) that a maximum number of retransmissions has been reached.

2. The method of claim 1, further comprising:

based on the detected predetermined condition, starting a radio resource control connection re-establishment.

3. The method of claim 1 or claim 2, further comprising:

after the indication is sent, waiting for confirmation of sent indication or response message from the network element.

4. The method of claim 3, wherein the starting the radio resource control connection re-establishment is performed after the waiting.

5. The method of any of claims 1-4, wherein the predetermined condition comprises at least one of a condition of a cell serving the user equipment, a radio condition, a quality related condition, or a data communication condition.

6. The method of claim 5, wherein the radio condition comprises reference signal received power.

7. The method of claim 5 or claim 6, wherein the radio condition comprises the presence or absence of transmission and/or reception during a last X seconds, where is a predefined number of seconds.

8. The method of any of claims 1-7, wherein the indication is configured to indicate that the predetermined condition has been met.

9. The method of any of claims 1-8, wherein the indication comprises at least one measurement result of a cell serving the user equipment or a neighbor cell of the cell serving the user equipment.

10. The method of any of claims 1-9, wherein the indication comprises data activity related information.

11. The method of any of claims 1-10, wherein the indication comprises a random access problem indication.

12. The method of claim 11, wherein the random access problem indication is from medium access control (MAC).

13. The method of any of claims 1-12, wherein the condition comprises an integrity protection failure.

14. The method of any of claims 1-13, wherein the indication is for delayed radio resource control connection re-establishment.

15. The method of any of claims 1-14, wherein said predetermined condition is related to a secondary cell or to a secondary eNB providing resource from a different access point.

16. The method of any of claims 1-15, wherein said predetermined condition comprises a random access failure of a secondary eNB and wherein said indication from radio link control (RLC) that the maximum number of retransmissions has been reached is from the secondary eNB.

17. A method comprising:

receiving an indication at a network element from a user equipment, wherein the indication indicates that the user equipment has detected a predetermined condition; and

providing a response message from the network element in response to the indication, wherein the response message is configured to cause the user equipment to start radio resource control connection re-establishment.

18. The method of claim 17, wherein the predetermined condition comprises at least one of a condition of a cell serving the user equipment, a radio condition, a quality related condition, or a data communication condition.

19. The method of claim 18, wherein the radio condition comprises reference signal received power.

20. The method of claim 18 or claim 19, wherein the radio condition comprises the presence or absence of transmission and/or reception during a last X seconds, where is a predefined number of seconds.

21. The method of any of claims 17-20, wherein the indication is configured to indicate that the predetermined condition has been met.

22. The method of any of claims 17-21, wherein the indication comprises at least one measurement result of a cell serving the user equipment or a neighbor cell of the cell serving the user equipment.

23. The method of any of claims 17-22, wherein the indication comprises data activity related information.

24. The method of any of claims 17-23, wherein the indication comprises a random access problem indication.

25. The method of claim 24, wherein the random access problem indication is from medium access control (MAC).

26. The method of any of claims 17-25, wherein the condition comprises an integrity protection failure.

27. The method of any of claims 17-26, wherein the indication is for delayed radio resource control connection re-establishment.

28. The method of any of claims 17-27, wherein said predetermined condition is related to a secondary cell or to a secondary eNB providing resource from a different access point.

29. The method of any of claims 17-28, wherein said predetermined condition comprises a random access failure of a secondary eNB and wherein said indication from radio link control (RLC) that the maximum number of retransmissions has been reached is from the secondary eNB.

30. The method of any of claims 17-29, wherein said indication comprises at least one of:

a measurement result of a cell serving the user equipment,

a measurement result of a neighbor cell,

a random access problem indication, or

an indication from radio link control (RLC) that a maximum number of

retransmissions has been reached.

31. A non-transitory computer-readable medium encoded with instructions that, when executed in hardware, perform a process, the process comprising the method according to any of claims 1-30.

32. A computer program product encoding instructions for performing a process, the process comprising the method according to any of claims 1-30.

33. An apparatus, comprising:

at least one processor; and

at least one memory including computer program code,

wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to

detect, by a user equipment, a predetermined condition; and

based on the detected predetermined condition, initiate sending an indication to a network element,

wherein said indication comprises at least one of:

a measurement result of a cell serving the user equipment,

a measurement result of a neighbor cell,

a random access problem indication, or

an indication from radio link control (RLC) that a maximum number of retransmissions has been reached.

34. The apparatus of claim 33, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to, based on the detected predetermined condition, start a radio resource control connection re-establishment.

35. The apparatus of claim 33 or 34, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to, after the indication is sent, wait for confirmation of sent indication or response message from the network element.

36. The apparatus of claim 35, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to start the radio resource control connection re-establishment after the waiting.

37. The apparatus of any of claims 33-36, wherein the predetermined condition comprises at least one of a condition of a cell serving the user equipment, a radio condition, a quality related condition, or a data communication condition.

38. The apparatus of claim 37, wherein the radio condition comprises reference signal received power.

39. The apparatus of claim 37 or claim 38, wherein the radio condition comprises the presence or absence of transmission and/or reception during a last X seconds, where is a predefined number of seconds.

40. The apparatus of any of claims 33-39, wherein the indication is configured to indicate that the predetermined condition has been met.

41. The apparatus of any of claims 33-40, wherein the indication comprises at least one measurement result of a cell serving the user equipment or a neighbor cell of the cell serving the user equipment.

42. The apparatus of any of claims 33-41, wherein the indication comprises data activity related information.

43. The apparatus of any of claims 33-42, wherein the indication comprises

a random access problem indication.

44. The apparatus of claim 43, wherein the random access problem indication is from medium access control (MAC).

45. The apparatus of any of claims 33-44, wherein the condition comprises an integrity protection failure.

46. The apparatus of any of claims 33-45, wherein the indication is for delayed radio resource control connection re-establishment.

47. The apparatus of any of claims 33-46, wherein said predetermined condition is related to a secondary cell or to a secondary eNB providing resource from a different access point.

48. The apparatus of any of claims 33-47, wherein said predetermined condition comprises a random access failure of a secondary eNB and wherein said indication from radio link control (RLC) that the maximum number of retransmissions has been reached is from the secondary eNB.

49. An apparatus, comprising:

at least one processor; and

at least one memory including computer program code,

wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to

receive an indication at a network element from a user equipment, wherein the indication indicates that the user equipment has detected a predetermined condition; and

provide a response message from the network element in response to the indication, wherein the response message is configured to cause the user equipment to start radio resource control connection re-establishment.

50. The apparatus of claim 49, wherein the predetermined condition comprises at least one of a condition of a cell serving the user equipment, a radio condition, a quality related condition, or a data communication condition.

51. The apparatus of claim 50, wherein the radio condition comprises reference signal received power.

52. The apparatus of claim 50 or claim 51, wherein the radio condition comprises the presence or absence of transmission and/or reception during a last X seconds, where is a predefined number of seconds.

53. The apparatus of any of claims 49-52, wherein the indication is configured to indicate that the predetermined condition has been met.

54. The apparatus of any of claims 49-53, wherein the indication comprises at least one measurement result of a cell serving the user equipment or a neighbor cell of the cell serving the user equipment.

55. The apparatus of any of claims 49-54, wherein the indication comprises data activity related information.

56. The apparatus of any of claims 49-55, wherein the indication comprises a random access problem indication.

57. The apparatus of claim 56, wherein the random access problem indication is from medium access control (MAC).

58. The apparatus of any of claims 49-57, wherein the condition comprises an integrity protection failure.

59. The apparatus of any of claims 49-58, wherein the indication is for delayed radio resource control connection re-establishment.

60. The apparatus of any of claims 49-59, wherein said predetermined condition is related to a secondary cell or to a secondary eNB providing resource from a different access point.

61. The apparatus of any of claims 49-60, wherein said predetermined condition comprises a random access failure of a secondary eNB and wherein said indication from radio link control (RLC) that the maximum number of retransmissions has been reached is from the secondary eNB.

62. The apparatus of any of claims 49-61, wherein said indication comprises at least one of:

a measurement result of a cell serving the user equipment,

a measurement result of a neighbor cell,

a random access problem indication, or

an indication from radio link control (RLC) that a maximum number of retransmissions has been reached.

63. An apparatus, comprising:

means for detecting, by a user equipment, a predetermined condition; and means for, based on the detected predetermined condition, initiating sending an indication to a network element,

wherein said indication comprises at least one of:

a measurement result of a cell serving the user equipment,

a measurement result of a neighbor cell,

a random access problem indication, or

an indication from radio link control (RLC) that a maximum number of retransmissions has been reached.

64. The apparatus of claim 63, further comprising:

means for, based on the detected predetermined condition, starting a radio resource control connection re-establishment.

65. The apparatus of claim 63 or 64, further comprising:

means for, after the indication is sent, waiting for confirmation of sent indication or response message from the network element.

66. The apparatus of claim 65, wherein the means for starting the radio resource control connection re-establishment is configured to start the radio resource control connection re-establishment after the waiting.

67. The apparatus of any of claims 63-66, wherein the predetermined condition comprises at least one of a condition of a cell serving the user equipment, a radio condition, a quality related condition, or a data communication condition.

68. The apparatus of claim 67, wherein the radio condition comprises reference signal received power.

69. The apparatus of claim 67 or claim 68, wherein the radio condition comprises the presence or absence of transmission and/or reception during a last X seconds, where is a predefined number of seconds.

70. The apparatus of any of claims 63-69, wherein the indication is configured to indicate that the predetermined condition has been met.

71. The apparatus of any of claims 63-70, wherein the indication comprises at least one measurement result of a cell serving the user equipment or a neighbor cell of the cell serving the user equipment.

72. The apparatus of any of claims 63-71, wherein the indication comprises data activity related information.

73. The apparatus of any of claims 63-72, wherein the indication comprises a random access problem indication.

74. The apparatus of claim 73, wherein the random access problem indication is from medium access control (MAC).

75. The apparatus of any of claims 63-74, wherein the condition comprises an integrity protection failure.

76. The apparatus of any of claims 63-75, wherein ihc indication is for delayed radio resource control connection re-establishment.

77. The apparatus of any of claims 63-76, wherein said predetermined condition is related io a secondary cell or to a secondary eNB providing resource from a different access point-

78. The apparatus of any of claims 63-77, wherein said predetermined condition comprises a random access failure of a secondary eNB and wherein said indication from radio link control (RLC) that the maximiun number of retransmissions has been reached is from the secondary eNB.

79. An apparatus, comprising:

means for receiving an indication at a network element from a user equipment, wherein the indication indicates that the user equipment has detected a predetermined condition; and

means for providing a response message from the network element in response to the indication, wherein the response message is configured 10 cause the user equipment to start radio resource control connection re-csiablishment.

80. The apparatus of claim 79, wherein the predetermined condition comprises at least one of a condition of a cell serving the user equipment, a radio condition, a quality related condition, or a data communication condition.

81. The apparatus of claim 80, wherein the radio condition comprises reference signal received power.

82. The apparatus of claims 80 or 81, wherein the radio condition comprises the presence or absence of transmission and/or reception during a last seconds, where A is a predefined number of seconds.

83. The apparatus of any of claims 79-82, wherein the indication is configured to indicate that the predetermined condition has been met.

84. The apparatus of any of claims 79-83, wherein the indication comprises at least one measurement result of a cell serving the user equipment or a neighbor cell of the cell serving the user equipment

85. The apparatus of any of claims 79-84, wherein the indication comprises data activity related information.

86. The apparatus of any of claims 79-85, wherein the indication comprises a random access problem indication.

87. The apparatus of claim 86, wherein the random access problem indication is from medium access control (MAC).

88. The apparatus of any of claims 79-86, wherein the condition comprises an integrity protection failure.

89. The apparatus of any of claims 79-88, wherein the indication is for delayed radio resource control connection re-establishment.

90. The apparatus of any of claims 79-89, wherein said predetermined condition is related to a secondary cell or to a secondary eNB providing resource from a different access point.

91. The apparatus of any of claims 79-90, wherein, said predetermined condition comprises a random access failure of a secondary eNB and wherein said indication from radio link control ( LC) that the maximum number of retransmissions has been reached is from the secondary eNB.

92. The apparatus of any of claims 79-91, wherein said indication comprises at least one of:

a measurement result of a eel) serving the user equipment,

a measureme t result of a neighbor cell,

a random access problem indication, or

an indication from radio link control (RLC) that a maximum number of retransmissions has been reached.