发明名称 |
System and method for tracking the relative location of mobile stations belonging to a pre-defined group of mobile stations |
摘要 |
Embodiments of the present invention are related to a method and apparatus for determining whether each mobile station in a pre-defined group of two or more mobile stations is in compliance with acceptable location criteria. A group tracking server receives mobile station tracking information including a mobile station identifier for each mobile station. The server also receives current location coordinates corresponding to the mobile station identifier for each mobile station from a locator device. A relative location of each mobile station relative to one or more pre-determined targets the calculated. The acceptable location criteria for each mobile station relative to the one or more pre-determined targets is retrieved from a location criteria database. The calculated relative location of each mobile station relative to the one or more pre-determined targets compared with the retrieved location criteria to determine whether the calculated relative location is in compliance with the acceptable location criteria. A subscriber is then notified if the calculated relative location is in compliance with the acceptable location criteria.
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申请公布号 |
US6975873(B1) |
申请公布日期 |
2005.12.13 |
申请号 |
US20010029247 |
申请日期 |
2001.12.28 |
申请人 |
AT&T CORP. |
发明人 |
BANKS DIANE;BANSAL PRADEEP K.;BLEWETT CHARLES DOUGLAS;ROCK TIMOTHY A.;ROSEN KENNETH H. |
分类号 |
H04W64/00;(IPC1-7):H04Q7/20 |
主分类号 |
H04W64/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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