发明名称 Location Based Services with Multiple Transmission Methods
摘要 A location-based service system for providing messages to a recipient and, in particular, to transmission methods and systems for providing location data of a device to a location-based service system. A method of updating a location of a mobile device includes determining a location of the mobile device and, based on Internet accessibility of the mobile device, transmitting the location via Internet communication when Internet access is available and via SS7 communication when Internet access is unavailable.
申请公布号 US2010130232(A1) 申请公布日期 2010.05.27
申请号 US20080276884 申请日期 2008.11.24
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 DINGLER JOHN R.;OLDS DAVID C.;RUDD JAMES R.;TREVATHAN MATTHEW B.
分类号 H04W4/02;H04W4/12 主分类号 H04W4/02
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