Abstract
A method and apparatus of resource management for multimedia broadcast multicast services (MBMS) are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report and an MBMS reception performance report to a network. Single frequency network (SFN) area change may be made based on cell reselection information WTRU macro-diversity MBMS reception performance neighbor cell signal strength reported by a WTRU interference level measured by the WTRU a number of WTRUs in a cell service priority WTRU class WTRU mobility trend WTRU location to a cell center WTRU MBMS reception interference level etc. The MBMS service on/off decision and/or point-to-point (PTP) to point-to-multipoint (PTM) switching may be made based on a channel condition of a WTRU. The channel condition may be determined based on whether the WTRU is in in-sync or out-of-sync in MBMS reception consecutive negative acknowledgements (NAKs) within a certain time window measured pathloss from a reference channel etc.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Family Member | ||||
| 4G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Family Member | ||||
| 4G,3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | Yes | Family Member | ||||
| 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | Yes | Family Member | ||||
| 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | Yes | Family Member | ||||
| 4G,3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC |
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| 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
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Yes | Basis Patent | |||
| 4G,3G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC | Yes | Basis Patent | ||||
Specification Information
Specification Information
Technologies
Family Information
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| US2008267109A1 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | Yes | Basis Patent | ||||
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| US8175069B2 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | Yes | Basis Patent | ||||
| US8175069B2 | 4G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | Yes | Basis Patent | ||||
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| BRPI0809812A2 | 4G,3G | 18/09/2008 | ISLD-200901-001 | INTERDIGITAL INC | No | Family Member | ||||
| BRPI0809812A2 | 3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC | No | Family Member | ||||
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| BRPI0809812A2 | 4G,3G | 13/09/2009 | ISLD-200911-005 | INTERDIGITAL INC |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Broadcast/Multicast
Product
Use Cases
Wireless communication
Services
Claim
1. A method of resource management for multimedia broadcast multicast services (MBMS), the method comprising: performing measurement of signals from neighbor cells; performing MBMS reception performance evaluation based on MBMS macro-diversity reception from a plurality of cells; and sending a measurement report and an MBMS reception performance report for single frequency network (SFN) area configuration.
2. The method of claim 1 further comprising: detecting that a current location is near an SFN area edge, wherein the measurement report and the MBMS reception performance report are sent whenever the SFN area edge is detected.
3. The method of claim 1 wherein the measurement report and the MBMS reception performance report are sent if the MBMS reception performance is below a configured threshold for a configured period of time.
4. The method of claim 1 wherein the measurement report is combined with one of a tracking area (TA) update message and a routing area (RA) update message.
5. The method of claim 1 further comprising: detecting an SFN identity (ID) change by reading broadcast channel information; and reporting the SFN ID change.
6. The method of claim 1 further comprising: sending one of a cell update message and a radio resource control (RRC) connection request message along with an information element (IE) indicating cell identities (IDs) of all cells being used for macro-diversity MBMS reception if the cell update message and the RRC connection request message are sent for counting purpose.
7. The method of claim 1 further comprising: if point-to-point (PTP) MBMS transmission is configured, indicating whether MBMS service will be continuously received or suspended and if the MBMS service reception is planned to be suspended, whether the suspension is temporary or not.
8. A method of resource management for multimedia broadcast multicast services (MBMS), the method comprising: receiving a measurement report and an MBMS reception performance report; and configuring a single frequency network (SFN) area based on at least one of cell reselection information, wireless transmit/receive unit (WTRU) macro- diversity MBMS reception performance, neighbor cell signal strength reported by a WTRU, interference level measured by the WTRU, a number of WTRUs in a cell, service priority, WTRU class, WTRU mobility trend, WTRU location to a cell center, and WTRU MBMS reception interference level.
9. The method of claim 8 wherein the SFN area configuration is subject to a hypothesis timer value
10. A method of resource management for multimedia broadcast multicast services (MBMS), the method comprising: configuring an MBMS service; and turning the MBMS service on and off based on a channel condition of a wireless transmit/receive unit (WTRU)
11. The method of claim 10 wherein the channel condition is determined based on at least one of whether the WTRU is in in-sync or out-of-sync in MBMS reception, consecutive negative acknowledgements (NAKs) within a certain time window, and measured pathloss from a reference channel
12. The method of claim 10 further comprising: if the MBMS service is turned off, releasing a radio bearer (RB) for the WTRU and allocating a radio resource to other services
13. The method of claim 10 wherein, if the MBMS service is turned off, a radio bearer (RB) for the WTRU is maintained for a preconfigured period of time
14. The method of claim 10 wherein the MBMS service is turned off if a demand of other higher priority services exceeds a configured threshold
15. The method of claim 14 further comprising: resuming the MBMS service if enough downlink capacity becomes available for MBMS transmissions
16. The method of claim 15 wherein several MBMS services are supported in a cell and the MBMS services are resumed based on a priority
17. The method of claim 14 further comprising: transferring the MBMS service to an MBMS dedicated carrier if duration of the higher priority unicast service request exceeds a configured threshold
18. A method of resource management for multimedia broadcast multicast services (MBMS), the method comprising: configuring an MBMS service; and switching an MBMS service scheme between point-to-point (PTP) and point-to-multipoint (PTM) based on a channel condition of a wireless transmit/receive unit (WTRU)
19. The method of claim 18 wherein the channel condition is determined based on at least one of whether the WTRU is in in-sync or out-of-sync in MBMS reception, consecutive negative acknowledgements (NAKs) within a certain time window, and measured pathloss from a reference channel.
20. The method of claim 18 wherein the MBMS service is switched from PTM to PTP if a demand of other higher priority services exceeds a configured threshold.
21. A method of resource management for multimedia broadcast multicast services (MBMS), the method comprising: receiving MBMS service requests from wireless transmit/receive units (WTRUs); configuring an MBMS service on a dedicated MBMS carrier if the WTRUs are in a radio resource control (RRC) idle mode regardless of a class of the MBMS service requests; and configuring an MBMS service to be delivered on a mixed cell if there are WTRUs in an RRC connected mode more than a specified threshold requesting a specific MBMS service.
22. A wireless transmit/receive unit (WTRU) for resource management for multimedia broadcast multicast services (MBMS), the WTRU comprising: a measurement unit for performing measurement of signals from neighbor cells; a processing unit for performing MBMS reception performance evaluation based on MBMS macro-diversity reception from a plurality of cells; and a controller for sending a measurement report and an MBMS reception performance report for single frequency network (SFN) area configuration.
23. The WTRU of claim 22 wherein the controller detects that a current location is near an SFN area edge and sends the measurement report and the MBMS reception performance report whenever the SFN area edge is detected.
24. The WTRU of claim 22 wherein the measurement report and the MBMS reception performance report are sent if the MBMS reception performance is below a configured threshold for a configured period of time.
25. The WTRU of claim 22 wherein the measurement report is combined with one of a tracking area (TA) update message and a routing area (RA) update message.
26. The WTRU of claim 22 wherein the controller detects an SFN identity (ID) change based on broadcast channel information and reports the SFN ID change.
27. The WTRU of claim 22 wherein the controller sends one of a cell update message and a radio resource control (RRC) connection request message along with an information element (IE) indicating cell identities (IDs) of all cells being used for macro-diversity MBMS reception if the cell update message and the RRC connection request message are sent for counting purpose.
28. The WTRU of claim 22 wherein the controller is configured to, if point-to-point (PTP) MBMS transmission is configured, indicate whether MBMS service will be continuously received or suspended and if the MBMS service reception is planned to be suspended, whether the suspension is temporary or not.
29. An apparatus for resource management for multimedia broadcast multicast services (MBMS), the apparatus comprising: a receiver for receiving a measurement report and an MBMS reception performance report; and a controller for configuring a single frequency network (SFN) area based on at least one of cell reselection information, wireless transmit/receive unit (WTRU) macro-diversity MBMS reception performance, neighbor cell signal strength reported by a WTRU, interference level measured by the WTRU, a number of WTRUs in a cell, service priority, WTRU class, WTRU mobility trend, WTRU location to a cell center, and WTRU MBMS reception interference level.
30. The apparatus of claim 29 wherein the SFN area configuration is subject to a hypothesis timer value.
31. An apparatus for resource management for multimedia broadcast multicast services (MBMS), the apparatus comprising: a transceiver; and a controller for configuring an MBMS service and turning the MBMS service on and off based on a channel condition of a wireless transmit/receive unit (WTRU).
32. The apparatus of claim 31 wherein the channel condition is determined based on at least one of whether the WTRU is in in-sync or out-of- sync in MBMS reception, consecutive negative acknowledgements (NAEIs) within a certain time window, and measured pathloss from a reference channel.
33. The apparatus of claim 31 wherein, if the MBMS service is turned off, the controller releases a radio bearer (RB) for the WTRU and allocates a radio resource to other services.
34. The apparatus of claim 31 wherein, if the MBMS service is turned off, a radio bearer (RB) for the WTRU is maintained for a preconfigured period of time.
35. The apparatus of claim 31 wherein the MBMS service is turned off if a demand of other higher priority services exceeds a configured threshold.
36. The apparatus of claim 35 wherein the controller resumes the MBMS service if enough downlink capacity becomes available for MBMS transmissions.
37. The apparatus of claim 36 wherein several MBMS services are supported in a cell and the MBMS services are resumed based on a priority.
38. The apparatus of claim 35 wherein the controller transfers the MBMS service to an MBMS dedicated carrier if duration of the higher priority unicast service request exceeds a configured threshold.
39. An apparatus for resource management for multimedia broadcast multicast services (MBMS), the apparatus comprising: a transceiver; and a controller for configuring an MBMS service and switching an MBMS service scheme between point-to-point (PTP) and point-to-multipoint (PTM) based on a channel condition of a wireless transmit/receive unit (WTRU).
40. The apparatus of claim 39 wherein the channel condition is determined based on at least one of whether the WTRU is in in-sync or out-of- sync in MBMS reception, consecutive negative acknowledgements (NAKs) within a certain time window, and measured pathloss from a reference channel.
41. The apparatus of claim 39 wherein the MBMS service is switched from PTM to PTP if a demand of other higher priority services exceeds a configured threshold.
42. An apparatus for resource management for multimedia broadcast multicast services (MBMS), the apparatus comprising: a transceiver for receiving MBMS service requests from wireless transmit/receive units (WTRUs); and a controller for configuring an MBMS service on a dedicated MBMS carrier if the WTRUs are in a radio resource control (RRC) idle mode regardless of a class of the MBMS service requests and configuring an MBMS service to be delivered on a mixed cell if there are WTRUs in an RRC connected mode more than a specified threshold requesting a specific MBMS service.']
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SUMMARY
ClaimChart-WO2008134554A2-STO
Patent number:WO2008134554A2
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.