| 发明名称 |
System for locating a mobile unit |
| 摘要 |
A wireless local area network (LAN) comprises an access point which transmits a beacon signal at 0 dBm. The detection threshold of the mobile unit is -65 dBm and thus the mobile unit is detected when located within 10 meters of the access point.
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| 申请公布号 |
US7477904(B2) |
申请公布日期 |
2009.01.13 |
| 申请号 |
US20050522701 |
申请日期 |
2005.01.28 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
EVANS DAVID H.;RANKIN PAUL J. |
| 分类号 |
G01S13/04;H04L12/28;H04W4/04;H04W64/00;H04W84/12 |
主分类号 |
G01S13/04 |
| 代理机构 |
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