PERFORMANCE ANALYSIS OF THE SUBSPACE METHOD FOR BLIND CHANNEL IDENTIFICATION

Qiu WZ.; Hua YB.

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PERFORMANCE ANALYSIS OF THE SUBSPACE METHOD FOR BLIND CHANNEL IDENTIFICATION

机译：PERFORMANCE ANALYSIS OF THE SUBSPACE METHOD FOR BLIND CHANNEL IDENTIFICATION

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We study the performance of the subspace (SS) method for estimating the impulse responses of multiple FIR channels driven by an unknown input sequence. Assuming a large data size or/and a high SNR, the estimation variance of the SS method is derived. Its performance is studied and compared with that of the cross-relation (CR) method and the Cramer-Rao bound (CRB). It is shown that the SS method is more robust to ill channel conditions than the CR method, but the CR method is generally more efficient in computation. The two methods show nearly identical performances for well-conditioned channels. [References: 19]

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来源
《Signal Processing: The Official Publication of the European Association for Signal Processing (EURASIP)》 |1996年第2期|71-81|共11页
作者
Qiu WZ.; Hua YB.;
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作者单位

UNIV MELBOURNE DEPT ELECT & ELECTR ENGN PARKVILLE VIC 3052 AUSTRALIA;

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原文格式 PDF
正文语种英语
中图分类通信;
关键词
Blind identification; Asymptotic analysis; Cramer-rao bound; Subspace method; Cross-relation method; Music;

PERFORMANCE ANALYSIS OF THE SUBSPACE METHOD FOR BLIND CHANNEL IDENTIFICATION

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