发明名称 LOCATION INFORMATION PROVIDING APPARATUS, COMMUNICATION TERMINAL, MOBILE COMMUNICATION TERMINAL AND LOCATION INFORMATION PROVIDING METHOD
摘要 A location information service server selects a positioning system that is the most suitable for a positioning quality condition received from a terminal requesting the positioning when a mobile device designated as the object to be positioned can be positioned by any one of a plurality of positioning systems. The location information service server acquires, from a positioning center, location information of the mobile device based on the selected positioning system, and transmits the acquired location information to a terminal designated as a destination.
申请公布号 WO0221873(A1) 申请公布日期 2002.03.14
申请号 WO2001JP07683 申请日期 2001.09.05
申请人 NTT DOCOMO, INC.;YAMAMOTO, HIROYUKI;NAKAJIMA, KAORU;KOSUGE, KAZUNORI;MURATA, KATSUTOSHI;MENJO, HIROYUKI;IWAMOTO, TSUYOSHI 发明人 YAMAMOTO, HIROYUKI;NAKAJIMA, KAORU;KOSUGE, KAZUNORI;MURATA, KATSUTOSHI;MENJO, HIROYUKI;IWAMOTO, TSUYOSHI
分类号 G01S5/02;H04L29/08;H04W4/02;H04W8/08;H04W8/10;H04W64/00;(IPC1-7):H04Q7/38 主分类号 G01S5/02
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