Patent ID: 9673944
Date: 2017-06-06
CPC Classifications: H04L,H04W

Claim:
1. A method for controlling packet access, comprising: generating an access trigger message, by modifying a Session Start Request message of a multimedia broadcast multicast service (MBMS) that includes a temporary mobile group identity (TMGI) allocated to a user equipment (UE) within a group of UEs, wherein the TMGI is in a mapping relationship with a service to be accessed by the group of UEs, wherein modifying includes one of using a spare or reserved position in the Session Start Request message to indicate that the Session Start request message serves as the access trigger message or using an information element combination in the Session Start Request message to indicate that the Session Start request message serves as the access trigger message; sending the modified Session Start Request message, wherein the modified Session Start Request message serves as the access trigger message to packet trigger an access operation by the UE for the TMGI; generating an end message for stopping the packet access operation, wherein the generating an end message comprises generating the end message using a Session Stop message of a MBMS of a core network or an access network, or an access parameter set by the access network; and sending the end message to the UE.