Abstract
A method for a proxy mobile internet protocol (PMIP) supporting a mobile access gateway (MAG) is described. The method includes receiving a first packet with a first internet protocol (IP) address from a local mobility anchor (LMA). The LMA is a hybrid mobility anchor used for both multicast and unicast traffic. The method also includes receiving a second packet with a second IP address from the LMA receiving a third packet from the LMA and communicating multicast information to the LMA via an aggregated multicast tunnel.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 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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Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Mobility and handover Broadcast/Multicast
Product
Gateway node
Use Cases
Wireless communication
Services
Multimedia broadcast/multicast service (MBMS)
Claim
1. A method for supporting proxy mobile internet protocol (PMIP) in a mobile access gateway (MAG), the method comprising:
receiving, at the MAG, a request for multicast services from a plurality of wireless transmit/receive units (WTRUs), wherein the plurality of WTRUs are associated with a multicast group;
transmitting, from the MAG, to a multicast local mobility anchor (LMA), a request for multicast information in response to the request for multicast services received from the plurality of WTRUs via an aggregated multicast tunnel;
receiving, at the MAG from the multicast LMA via the 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; and
transmitting at least a portion of the received multicast information from the MAG to each of the plurality of WTRUs in the multicast group via a multicast channel.
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 MAG.
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 message is transmitted to request for the multicast information.
9. The method of claim 1, wherein the request for multicast services is received in a router solicitation message.
10. A mobile access gateway (MAG) for proxy mobile internet protocol (PMIP) comprising:
a receiver configured to receive a request for multicast services from a plurality of wireless transmit/receive units (WTRUs), wherein the plurality of WTRUs are associated with a multicast group;
a transmitter configured to transmit to a multicast local mobility anchor (LMA), a request for multicast information in response to the request for multicast services received from the plurality of WTRUs via an aggregated multicast tunnel;
the receiver further configured to receive, from the multicast LMA via the 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; and
the transmitter further configured to transmit at least a portion of the received multicast information from the MAG to each of the plurality of WTRUs in the multicast group via a multicast channel.
11. The MAG of claim 10, wherein the aggregated multicast tunnel is aggregated by the LMA.
12. The MAG of claim 10, wherein the aggregated multicast tunnel is aggregated by the MAG.
13. The MAG of claim 10, wherein the aggregated multicast tunnel is pre-configured.
14. The MAG 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 MAG of claim 10, wherein multicast information is stored at the MAG.
16. The MAG 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 MAG of claim 10, wherein a proxy binding update message is transmitted to request for the multicast information.
18. The MAG of claim 10, wherein the request for multicast services is received in a router solicitation message.
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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.