Decoding Navigation Data Messages from Weak GPS Signals

被引：17
|
作者：
Soloviev, Andrey [1 ]
Van Graas, Frank [1 ]
Gunawardena, Sanjeev [1 ]
机构：
[1] Ohio Univ, Avion Engn Ctr, Athens, OH 45701 USA
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2009年 / 45卷 / 02期
关键词：
Bit error rate; Correlation; Decoding; Estimation; Global Positioning System; Navigation; Receivers;
D O I：
10.1109/TAES.2009.5089548
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
A new method for decoding navigation data bits from very weak Global Positioning System (GPS) signals is presented. Coherent signal integration is applied over a time period that includes multiple navigation data bits. A search is performed for a combination of bits that maximizes the signal energy during the coherent integration.
引用
收藏
页码：660 / 666
页数：7
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