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
收藏
页码：74 / 76
页数：3
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