Subspace projection techniques for anti-FM jamming GPS receivers

被引：10

作者：

Zhao, L ^{[1
]}

Amin, MG ^{[1
]}

Lindsey, AR ^{[1
]}

机构：

[1] Villanova Univ, Dept Elect & Comp Engn, Villanova, PA 19085 USA

来源：

PROCEEDINGS OF THE TENTH IEEE WORKSHOP ON STATISTICAL SIGNAL AND ARRAY PROCESSING | 2000年

关键词：

D O I：

10.1109/SSAP.2000.870181

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper applies subspace projection techniques as a pre-correlation signal processing method for the Fill interference suppressions in GPS receivers. The FM jammers are instantaneous narrowband and have clear time-frequency (t-f) signatures that are distinct from the GPS C/A spread spectrum code. In the proposed technique, the instantaneous frequency (IF) of the jammer is estimated and used to construct a rotated signal space in which the jammer occupies one dimension. The anti-jamming system is implemented by projecting the received sequence onto the jammer-fi ee subspace. This paper focuses opt the characteristics of the GPS C/A code and derives the signal to interference and noise ratio (SINR) of the GPS receivers implementing the subspace projection techniques.

引用

页码：529 / 533

页数：5

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