Reduction of multipath-induced bias of GPS time-of-arrival

被引：0

作者：

Fante, RL ^{[1
]}

Vaccaro, JJ ^{[1
]}

机构：

[1] Mitre Corp, Bedford, MA 01730 USA

来源：

2002 IEEE POSITION LOCATION AND NAVIGATION SYMPOSIUM | 2002年

关键词：

D O I：

10.1109/PLANS.2002.998891

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

We investigate a blind method for cancelling the multipath, in order to improve the time-of-arrival estimate. Our approach uses early-late gate processing on an objective function derived from an adaptive FIR filter that attempts to match the crosscorrelation of the received signal with a multipath-free replica of the desired crosscorrelation. This method performs reasonably well, and decreases the bias by approximately a factor of 2, even in very stressing multipath environments.

引用

页码：74 / 76

页数：3

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