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EFFICIENT UPDATE OF TMGI LIST IN LTE EMBMS

2013
Online Patent

Titel:
EFFICIENT UPDATE OF TMGI LIST IN LTE EMBMS
Link:
Veröffentlichung: 2013
Medientyp: Patent
Sonstiges:
  • Nachgewiesen in: USPTO Patent Applications
  • Sprachen: English
  • Document Number: 20130294318
  • Publication Date: November 7, 2013
  • Appl. No: 13/831509
  • Application Filed: March 14, 2013
  • Assignees: QUALCOMM INCORPORATED (San Diego, CA, US)
  • Claim: 1. A method of wireless communication, comprising: receiving at least one multimedia broadcast multicast service (MBMS) service in at least one Multicast Broadcast Single Frequency Network (MBSFN) area; receiving configuration information on at least one multicast control channel (MCCH), the at least one MCCH including an MCCH unassociated with the at least one MBSFN area; constructing a list of temporary mobile group identities (TMGIs) based on the configuration information; and updating the list of TMGIs based on at least one of an MCCH change notification message for each of the at least one MCCH or a user service description.
  • Claim: 2. The method of claim 1, wherein the updating the list of TMGIs comprises: receiving an MCCH change notification for the at least one MCCH; determining that the MCCH change notification indicates a change for one or more MCCHs of the at least one MCCH; acquiring the configuration information for the one or more MCCHs; and adding at least one TMGI to the list of TMGIs based on the configuration information.
  • Claim: 3. The method of claim 2, wherein the updating the list of TMGIs further comprises deleting at least one TMGI from the list based on the configuration information.
  • Claim: 4. The method of claim 1, wherein the updating the list of TMGIs comprises: receiving the user service description; determining that a service has ended for a TMGI based on the user service description; and deleting the TMGI from the list of TMGIs.
  • Claim: 5. The method of claim 4, wherein the one or more TMGIs are unassociated with the at least one MBSFN area.
  • Claim: 6. The method of claim 1, wherein the updating the list of TMGIs comprises re-receiving the configuration information and reconstructing the list of TMGIs for each of the at least one MCCH based on the configuration information upon a cell change due to a handover, cell reselection, or a recovery from out of coverage.
  • Claim: 7. The method of claim 1, wherein the updating the list of TMGIs comprises re-receiving the configuration information and reconstructing the list of TMGIs for one or more MCCHs of the at least one MCCH based on the configuration information periodically once every n MCCH modification periods, where n is greater than or equal to 350.
  • Claim: 8. The method of claim 7, wherein the one or more MCCHs are unassociated with the at least one MBSFN area.
  • Claim: 9. The method of claim 1, wherein the updating the list of TMGIs comprises: receiving the user service description; determining that a service has started for a TMGI based on the user service description; determining that the TMGI is not in the list of TMGIs; and re-receiving the configuration information and reconstructing the list of TMGIs based on the configuration information for one or more MCCHs of the at least one MCCH.
  • Claim: 10. The method of claim 9, wherein the one or more MCCHs are unassociated with the at least one MBSFN area.
  • Claim: 11. The method of claim 1, wherein the at least one MCCH includes an MCCH for each Multicast Broadcast Single Frequency Network (MBSFN) area indicated in a received system information block (SIB).
  • Claim: 12. An apparatus for wireless communication, comprising: means for receiving at least one multimedia broadcast multicast service (MBMS) service in at least one Multicast Broadcast Single Frequency Network (MBSFN) area; means for receiving configuration information on at least one multicast control channel (MCCH), the at least one MCCH including an MCCH unassociated with the at least one MBSFN area; means for constructing a list of temporary mobile group identities (TMGIs) based on the configuration information; and means for updating the list of TMGIs based on at least one of an MCCH change notification message for each of the at least one MCCH or a user service description.
  • Claim: 13. The apparatus of claim 12, wherein the means for updating the list of TMGIs is configured to: receive an MCCH change notification for the at least one MCCH; determine that the MCCH change notification indicates a change for one or more MCCHs of the at least one MCCH; acquire the configuration information for the one or more MCCHs; and add at least one TMGI to the list of TMGIs based on the configuration information.
  • Claim: 14. The apparatus of claim 13, wherein the means for updating the list of TMGIs is configured to delete at least one TMGI from the list based on the configuration information.
  • Claim: 15. The apparatus of claim 12, wherein the means for updating the list of TMGIs is configured to: receive the user service description; determine that a service has ended for a TMGI based on the user service description; and delete the TMGI from the list of TMGIs.
  • Claim: 16. The apparatus of claim 15, wherein the one or more TMGIs are unassociated with the at least one MBSFN area.
  • Claim: 17. The apparatus of claim 12, wherein the means for updating the list of TMGIs is configured to re-receive the configuration information and to reconstruct the list of TMGIs for each of the at least one MCCH based on the configuration information upon a cell change due to a handover, cell reselection, or a recovery from out of coverage.
  • Claim: 18. The apparatus of claim 12, wherein the means for updating the list of TMGIs is configured to re-receive the configuration information and to reconstruct the list of TMGIs for one or more MCCHs of the at least one MCCH based on the configuration information periodically once every n MCCH modification periods, where n is greater than or equal to 350.
  • Claim: 19. The apparatus of claim 18, wherein the one or more MCCHs are unassociated with the at least one MBSFN area.
  • Claim: 20. The apparatus of claim 12, wherein the means for updating the list of TMGIs is configured to: receive the user service description; determine that a service has started for a TMGI based on the user service description; determine that the TMGI is not in the list of TMGIs; and re-receive the configuration information and reconstructing the list of TMGIs based on the configuration information for one or more MCCHs of the at least one MCCH.
  • Claim: 21. The apparatus of claim 20, wherein the one or more MCCHs are unassociated with the at least one MBSFN area.
  • Claim: 22. The apparatus of claim 12, wherein the at least one MCCH includes an MCCH for each Multicast Broadcast Single Frequency Network (MBSFN) area indicated in a received system information block (SIB).
  • Claim: 23. An apparatus for wireless communication, comprising: a processing system configured to: receive at least one multimedia broadcast multicast service (MBMS) service in at least one Multicast Broadcast Single Frequency Network (MBSFN) area; receive configuration information on at least one multicast control channel (MCCH), the at least one MCCH including an MCCH unassociated with the at least one MBSFN area; construct a list of temporary mobile group identities (TMGIs) based on the configuration information; and update the list of TMGIs based on at least one of an MCCH change notification message for each of the at least one MCCH or a user service description.
  • Claim: 24. The apparatus of claim 23, wherein the processing system is configured to update the list of TMGIs by: receiving an MCCH change notification for the at least one MCCH; determining that the MCCH change notification indicates a change for one or more MCCHs of the at least one MCCH; acquiring the configuration information for the one or more MCCHs; and adding at least one TMGI to the list of TMGIs based on the configuration information.
  • Claim: 25. The apparatus of claim 24, wherein the processing system is configured to update the list of TMGIs by deleting at least one TMGI from the list based on the configuration information.
  • Claim: 26. The apparatus of claim 23, wherein the processing system is configured to update the list of TMGIs by: receiving the user service description; determining that a service has ended for a TMGI based on the user service description; and deleting the TMGI from the list of TMGIs.
  • Claim: 27. The apparatus of claim 26, wherein the one or more TMGIs are unassociated with the at least one MBSFN area.
  • Claim: 28. The apparatus of claim 23, wherein the processing system is configured to update the list of TMGIs by re-receiving the configuration information and reconstructing the list of TMGIs for each of the at least one MCCH based on the configuration information upon a cell change due to a handover, cell reselection, or a recovery from out of coverage.
  • Claim: 29. The apparatus of claim 23, wherein the processing system is configured to update the list of TMGIs by re-receiving the configuration information and reconstructing the list of TMGIs for one or more MCCHs of the at least one MCCH based on the configuration information periodically once every n MCCH modification periods, where n is greater than or equal to 350.
  • Claim: 30. The apparatus of claim 29, wherein the one or more MCCHs are unassociated with the at least one MBSFN area.
  • Claim: 31. The apparatus of claim 23, wherein the processing system is configured to update the list of TMGIs by: receiving the user service description; determining that a service has started for a TMGI based on the user service description; determining that the TMGI is not in the list of TMGIs; and re-receiving the configuration information and reconstructing the list of TMGIs based on the configuration information for one or more MCCHs of the at least one MCCH.
  • Claim: 32. The apparatus of claim 31, wherein the one or more MCCHs are unassociated with the at least one MBSFN area.
  • Claim: 33. The apparatus of claim 23, wherein the at least one MCCH includes an MCCH for each Multicast Broadcast Single Frequency Network (MBSFN) area indicated in a received system information block (SIB).
  • Claim: 34. A computer program product, comprising: a computer-readable medium comprising code for: receiving at least one multimedia broadcast multicast service (MBMS) service in at least one Multicast Broadcast Single Frequency Network (MBSFN) area; receiving configuration information on at least one multicast control channel (MCCH), the at least one MCCH including an MCCH unassociated with the at least one MBSFN area; constructing a list of temporary mobile group identities (TMGIs) based on the configuration information; and updating the list of TMGIs based on at least one of an MCCH change notification message for each of the at least one MCCH or a user service description.
  • Claim: 35. The computer program product of claim 34, wherein the code for updating the list of TMGIs comprises code for: receiving an MCCH change notification for the at least one MCCH; determining that the MCCH change notification indicates a change for one or more MCCHs of the at least one MCCH; acquiring the configuration information for the one or more MCCHs; and adding at least one TMGI to the list of TMGIs based on the configuration information.
  • Claim: 36. The computer program product of claim 35, wherein the code for updating the list of TMGIs further comprises code for deleting at least one TMGI from the list based on the configuration information.
  • Claim: 37. The computer program product of claim 34, wherein the code for updating the list of TMGIs comprises code for: receiving the user service description; determining that a service has ended for a TMGI based on the user service description; and deleting the TMGI from the list of TMGIs.
  • Claim: 38. The computer program product of claim 37, wherein the one or more TMGIs are unassociated with the at least one MBSFN area.
  • Claim: 39. The computer program product of claim 34, wherein the code for updating the list of TMGIs comprises code for re-receiving the configuration information and reconstructing the list of TMGIs for each of the at least one MCCH based on the configuration information upon a cell change due to a handover, cell reselection, or a recovery from out of coverage.
  • Claim: 40. The computer program product of claim 34, wherein the code for updating the list of TMGIs comprises code for re-receiving the configuration information and reconstructing the list of TMGIs for one or more MCCHs of the at least one MCCH based on the configuration information periodically once every n MCCH modification periods, where n is greater than or equal to 350.
  • Claim: 41. The computer program product of claim 40, wherein the one or more MCCHs are unassociated with the at least one MBSFN area.
  • Claim: 42. The computer program product of claim 34, wherein the code for updating the list of TMGIs comprises code for: receiving the user service description; determining that a service has started for a TMGI based on the user service description; determining that the TMGI is not in the list of TMGIs; and re-receiving the configuration information and reconstructing the list of TMGIs based on the configuration information for one or more MCCHs of the at least one MCCH.
  • Claim: 43. The computer program product of claim 42, wherein the one or more MCCHs are unassociated with the at least one MBSFN area.
  • Claim: 44. The computer program product of claim 34, wherein the at least one MCCH includes an MCCH for each Multicast Broadcast Single Frequency Network (MBSFN) area indicated in a received system information block (SIB).
  • Current U.S. Class: 370/312
  • Current International Class: 04

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