Patent ID: 9351149
Filing Date: 2016-05-24
CPC Classification: H04L,H04W

Claim Text:
1. A method for enabling Multimedia Broadcast Multicast Service (“MBMS”) service continuity across two or more different public land mobile networks (“PLMNs”) wherein one instance of the MBMS service is broadcast in each of the two or more different PLMNs, the method comprising: determining, by a processor of a receiver device, a current PLMN of the two or more different PLMNs to which the receiver device is attached, wherein the two or more different PLMNs have geographic coverage areas different than a home PLMN (“HPLMN”) of the receiver device; receiving a user service description (“USD”) for the MBMS service from the current PLMN at the processor of the receiver device, wherein receiving the USD from the current PLMN at the processor of the receiver device comprises downloading, by the processor of the receiver device, a provisioning URL from the current PLMN when the receiver device is attached to the current PLMN; selecting the MBMS service at the processor of the receiver device; determining a temporary mobile group identifier (“TMGI”) for the MBMS service in the current PLMN at the processor of the receiver device; and activating the determined TMGI at the processor of the receiver device to receive the instance of the MBMS service broadcast in the current PLMN, wherein the USD indicates all TMGIs for all instances of the MBMS service broadcast in each of the two or more different PLMNs.