发明名称 |
Wireless tracking system and method utilizing tags with variable power level transmissions |
摘要 |
The present invention provides a solution to mistaken location calculations based on multipath effects. The present invention utilizes tags attached to objects that transmit signals at various power levels for reception by sensors stationed throughout a facility. Sensor readings at the various power levels are utilized to determine the location of the tagged object.
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申请公布号 |
US7504928(B2) |
申请公布日期 |
2009.03.17 |
申请号 |
US20080116221 |
申请日期 |
2008.05.07 |
申请人 |
AWAREPOINT CORPORATION |
发明人 |
NIERENBERG NICOLAS C;CALIRI DYAMI |
分类号 |
H04Q5/22 |
主分类号 |
H04Q5/22 |
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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