发明名称 User group indication and status change in radiocommunications systems
摘要 The present invention sets forth group call services which uses broadcast or point-to-point radiocommunication resources to provide information to a mobile station user. First, indications of existing group calls are transmitted to mobile stations. Then, users of mobile stations are alerted to the existence of relevant group calls, i.e., those calls in which they are eligible to participate.
申请公布号 US6385461(B1) 申请公布日期 2002.05.07
申请号 US19980192185 申请日期 1998.11.16
申请人 ERICSSON INC. 发明人 RAITH ALEX KRISTER
分类号 H04W4/06;H04W68/02;H04W76/02;(IPC1-7):H04Q7/20 主分类号 H04W4/06
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