公开(公告)号：US09843682B2

公开(公告)日：2017-12-12

申请号：US15320100

申请日：2014-07-21

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： Songxin Yuan ,  Hai-Bo He ,  Chao-Jin Luo

IPC: H04M3/42 ,  H04M3/56 ,  H04W8/26 ,  H04W4/08 ,  H04W72/12 ,  H04L5/00 ,  H04W76/00 ,  H04W84/08

CPC classification number: H04M3/56 ,  H04L5/0055 ,  H04M3/42195 ,  H04M2203/152 ,  H04M2207/18 ,  H04W4/08 ,  H04W8/26 ,  H04W72/121 ,  H04W76/40 ,  H04W84/08

Abstract: A Base Transceiver Stations (BTS) method includes managing mobile devices in range using temporary identifiers temporarily assigned to each of the mobile devices; receiving a group call grant with a list of required mobile devices for a group call; defining a representation for the required mobile devices based on the required mobile devices' respective temporary identifiers; and broadcasting the group call grant with the representation, wherein the mobile devices utilize the representation to determine if they are required mobile devices for the group call. A mobile device and a group call server are also disclosed.