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학술지 Robust Cross-SCORE Algorithm Against Bit Transitions for GPS Interference Suppression
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저자
주인원, 최상혁, 전주환, 신천식
발행일
201706
출처
IEEE Communications Letters, v.21 no.6, pp.1325-1328
ISSN
1089-7798
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LCOMM.2017.2678989
협약과제
16MR1500, GNSS 전파혼신 검증 플랫폼 기술개발, 신천식
초록
In the blind beamforming technique utilizing self-coherence properties of GPS signals, the covariance matrices estimated from sample data, including the transition between two adjacent bits, suffer from performance degradation. In this letter, we propose the estimation of the covariance matrices using the sample blocks, which are free from the bit transitions under different times of arrival of multiple GPS signals. It combines with the robust cross-SCORE algorithm to suppress the GPS interference. It is shown that an efficient combination of two algorithms is capable of providing high gains to multiple GPS signals simultaneously, while suppressing strong interference.
키워드
Blind beamformimg, covariance estimation, cross-SCORE, GPS, interference suppression, self-coherence
KSP 제안 키워드
Blind beamforming technique, Coherence properties, Covariance estimation, Covariance matrix, Interference Suppression, Sample data, Times of arrival, high gain, performance degradation, self-coherence