发明名称 METHOD AND SYSTEM FOR PROVIDING EMERGENCY SERVICE
摘要 PURPOSE: An emergency service supplying method and a system thereof are provided to directly communicate with the other mobile terminal without interruption of a network. CONSTITUTION: A second mobile terminal transmits an RACH(Random Access Channel) message to a first mobile terminal in response to a channel message of a first mobile terminal(203). A channel is formed for communication with the first mobile terminal and the second mobile terminal(205). The first mobile terminal and the second mobile terminal perform communication through a channel(207).
申请公布号 KR20120024217(A) 申请公布日期 2012.03.14
申请号 KR20100086993 申请日期 2010.09.06
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 LEE, SANG HYUN
分类号 H04W4/22;H04W4/12 主分类号 H04W4/22
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