US Patent No. 10,194,472

GROUP COMMUNICATION METHOD, DEVICE AND SYSTEM


Patent No. 10,194,472
Issue Date January 29, 2019
Title Group Communication Method, Device And System
Inventorship Yali Zhao, Beijing (CN)
Ying Wang, Beijing (CN)
Fangli Xu, Beijing (CN)
Assignee China Academy of Telecommunications Technology, Beijing (CN)

Claim of US Patent No. 10,194,472

1. A group communication method, the method comprising:receiving a session start request message transmitted by a mobility management device in a Multimedia Broadcast Multicast Service (MBMS) network;
judging whether the session start request message carries a group identity of a communication group to which a session requested by the session start request message relates, wherein the group identity is configured to identify a group communication, which is performed through group scheduling over an air interface based on a Group-Radio Network Temporary Identity (G-RNTI); and
if the session start request message carries the group identity, forwarding the session start request message to an access network device so that the access network device allocates an air interface identity for the session requested by the session start request message for group communication.