Abstract
A method for supporting proxy mobile internet protocol (PMIP) in a local mobility anchor (LMA) is described. The method includes receiving a request for multicast information corresponding to a request for multicast services from at least one of a plurality of wireless transmit/receive units (WTRUs) which require multicast services associated with a multicast group. The method also includes transmitting to a mobile access gateway (MAG) via an aggregated multicast tunnel multicast information for distribution to at least one of the plurality of WTRUs in the multicast group. The multicast information comprises an IP address corresponding to the multicast group.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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4G,3G | 30/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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4G,3G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
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No | Family Member |
Specification Information
Specification Information
Technologies
Family Information
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US2011110286A1 | 4G,3G | 30/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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US2011110286A1 | 4G,3G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
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WO2011035168A1 | 4G,3G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
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TW201119296A | 4G,3G | 30/10/2011 | ISLD-201109-010 | 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
Services
Claim
1. A method for supporting proxy mobile internet protocol (PMIP) in a local mobility anchor (LMA), the method comprising:
receiving, from a mobile access gateway (MAG), a request for multicast information, wherein the request for multicast information corresponds to a request for multicast services from at least one of a plurality of wireless transmit/receive units (WTRUs) which require multicast services associated with a multicast group; and
transmitting, to the MAG from the LMA via an aggregated multicast tunnel, multicast information for distribution to the plurality of WTRUs in the multicast group, wherein the multicast information comprises an IP address corresponding to the multicast group.
2. The method of claim 1, wherein the aggregated multicast tunnel is aggregated by the LMA.
3. The method of claim 1, wherein the aggregated multicast tunnel is aggregated by the MAG.
4. The method of claim 1, wherein the aggregated multicast tunnel is pre-configured.
5. The method of claim 1, wherein the aggregated multicast tunnel is formed from a combination of more than one unicast tunnel when wireless transmit/receive units (WTRUs) establish unicast tunnels for multicast services.
6. The method of claim 1, wherein multicast information is stored at the LMA.
7. The method of claim 1, wherein the multicast information includes at least one of multicast channels, wireless transmit/receive units (WTRUs) subscribed to each multicast service, or a respective network attachment for each WTRU.
8. The method of claim 1, wherein a proxy binding update (PBU) message is received to establish the aggregated multicast tunnel.
9. The method of claim 1, wherein the LMA is responsible for maintaining a reachability state of at least one of the plurality of WTRUs.
10. A local mobility anchor (LMA), comprising:
a receiver configured to receive, from a mobile access gateway (MAG), a request for multicast information, wherein the request for multicast information corresponds to a request for multicast services from at least one of a plurality of wireless transmit/receive units (WTRUs) which require multicast services associated with a multicast group; and
a transmitter configured to transmit, to the MAG from the LMA via an aggregated multicast tunnel, multicast information for distribution to the plurality of WTRUs in the multicast group, wherein the multicast information comprises an IP address corresponding to the multicast group.
11. The LMA of claim 10, wherein the aggregated multicast tunnel is aggregated by the LMA.
12. The LMA of claim 10, wherein the aggregated multicast tunnel is aggregated by the MAG.
13. The LMA of claim 10, wherein the aggregated multicast tunnel is pre-configured.
14. The LMA of claim 10, wherein the aggregated multicast tunnel is formed from a combination of more than one unicast tunnel when wireless transmit/receive units (WTRUs) establish unicast tunnels for multicast services.
15. The LMA of claim 10, wherein multicast information is stored at the LMA.
16. The LMA of claim 10, wherein the multicast information includes at least one of multicast channels, wireless transmit/receive units (WTRUs) subscribed to each multicast service, or a respective network attachment for each WTRU.
17. The LMA of claim 10, wherein a proxy binding update (PBU) message is received to establish the aggregated multicast tunnel.
18. The LMA of claim 10, wherein the LMA is responsible for maintaining a reachability state of at least one of the plurality of WTRUs.
19. A method for supporting proxy mobile internet protocol (PMIP) in a local mobility anchor (LMA), the method comprising:
transmitting to a first mobile access gateway (MAG) from the LMA via a first aggregated multicast tunnel, first multicast information for distribution to a plurality of wireless transmit/receive units (WTRUs) in a multicast group, wherein the first multicast information comprises an IP address corresponding to the multicast group;
receiving, from a second MAG via a second aggregated multicast tunnel, a request for second multicast information corresponding to the multicast group; and
transmitting the second multicast information to the second MAG from the LMA via the second aggregated multicast tunnel, wherein the second multicast information comprises the IP address corresponding to the multicast group.
20. The method of claim 19, wherein the LMA is responsible for maintaining a reachability state of at least one of the plurality of WTRUs.
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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.