Moving jammer suppression with robust blind adaptive algorithms in GPS receiver

doi:10.7523/j.issn.2095-6134.2015.04.019

›› 2015, Vol. 32 ›› Issue (4): 556-561.DOI: 10.7523/j.issn.2095-6134.2015.04.019

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Moving jammer suppression with robust blind adaptive algorithms in GPS receiver

WANG Lei, HAN Yuxin

Tianjin Key Lab for Advanced Signal Processing, Civil Aviation University of China, Tianjin 300300, China

Received:2014-08-13 Revised:2014-12-02 Online:2015-07-15
Supported by:
Supported by the National Natural Science Foundation of China(61172112,61179064), the Fundamental Research Funds for the Central Universities(ZXH2012M006), and the Startup Foundation of the Civil Aviation University of China(07QB03X)

Abstract

Abstract: The problem of providing robustness to the conventional narrow-band uniform linear array configuration so as to handle moving and cochannel jammers in GPS receiver is addressed here. This robustness is obtained via the use of derivative constraints in jammer directions. We develop the robust power inversion (PI) algorithm, the loading robust PI algorithm, and the robust eigenvector projection (EP) algorithm. These three algorithms are characterized by the fact that there is no need to know the directions of the GPS signals and jammers. Simulation results show that the algorithms proposed here are suitable for dealing with moving or cochannel jammers.

Key words: GPS, moving jammer, interference suppression

CLC Number:

TN850

WANG Lei, HAN Yuxin. Moving jammer suppression with robust blind adaptive algorithms in GPS receiver[J]. , 2015, 32(4): 556-561.

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Moving jammer suppression with robust blind adaptive algorithms in GPS receiver

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