发明名称 |
Cancellation system and method for a wireless positioning system |
摘要 |
A cancellation system that delays the received signals and cancels less than all the received signals from the delayed version of the received signals and a demodulator and despreader unit produces a demodulated and de-spreader and remodulator unit produces a remodulated and respread signal from the demodulated and despread signal with a combiner that produces a combined signal from the delayed version of the received signals and the remodulated and respread signal to identify a low power signal.
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申请公布号 |
US7983666(B2) |
申请公布日期 |
2011.07.19 |
申请号 |
US20040870668 |
申请日期 |
2004.06.16 |
申请人 |
SIRF TECHNOLOGY, INC. |
发明人 |
WALLEY KENNETH SCOTT;UNDERBRINK PAUL A.;GRONEMEYER STEVEN A. |
分类号 |
H04W24/00;G01S1/00;G01S19/00;G01S19/42;G01S19/51;H04B1/00;H04B1/707;H04B15/00;H04B17/00 |
主分类号 |
H04W24/00 |
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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