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Matrix Pencil Method Using Fourth-order Statistic  

Jang Woo-Jin (경상대학교 전자공학과 AWC 연구실)
Wang Yi-Su (경상대학교 전자공학과 AWC 연구실)
Zhou Wei-Wei (경상대학교 전자공학과 AWC 연구실)
Koh Jin-Hwan (경상대학교 전자공학과 AWC 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.6C, 2006 , pp. 629-636 More about this Journal
Abstract
In array signal processing, high order statistics can be used to estimate parameters from signal of sums of complex exponential. In this paper, we derive two types of direction finding algorithms which use the fourth-order cumulant and moment of the received array data. Since the fourth order cumulant can suppress the Gaussian noise, the response of MPM has better noise immunity than the conventional approaches. The performance of each method in regard to the probability of resolution and SNR in the presence of the Gaussian noise is investigated. As a result, the proposed method applied to the fourth-order statistic can find DOA more correctly in the presence of the Gaussian noise.
Keywords
MPM(matrix pencil method); Cumulant; Moment; DOA;
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  • Reference
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