发明名称 Method for controlling direct call between mobile subscriber terminals in mobile communication system
摘要 A method for controlling a direct call between mobile subscriber terminals in a mobile communication system includes the steps of: successively transmitting paging packets, from an originating mobile subscriber terminal, for searching for a terminating mobile subscriber terminal twice in response to a call execution command; and detecting synchronization by a firstly received paging packet to generate a hopping frequency, initialize a receiver and to wait for a paging packet of a hopping frequency, and transmitting a paging acknowledge packet to an originating mobile subscriber terminal in synchronization with a secondly received paging packet.
申请公布号 US6236649(B1) 申请公布日期 2001.05.22
申请号 US19980105028 申请日期 1998.06.25
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 JUN JE-HYUN
分类号 H04M3/42;H04B7/26;H04W56/00;H04W84/08;(IPC1-7):H04J1/00 主分类号 H04M3/42
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