发明名称 METHOD AND SYSTEM FOR PROVIDING A LOCATION-BASED ALERT SERVICE IN WIRELESS COMMUNICATION ENVIRONMENT
摘要 Disclosed is a method and a system for providing a location-based alert service in a wireless communication environment, wherein, in a case where a specific user is located in a certain zone using a mobile communication terminal and a mobile communication network, the number of location inquiries is minimized using a moving distance ratio, a moving direction and a Minimum Bounding Rectangle (MBR) in providing the a location-based alert service for informing that the specific user is located in a certain zone.
申请公布号 US2007298757(A1) 申请公布日期 2007.12.27
申请号 US20060309693 申请日期 2006.09.13
申请人 POINT-I CO., LTD. 发明人 AHN BYUNGIK
分类号 H04M11/04 主分类号 H04M11/04
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