Estimation of Direction-of-Arrival of Cyclostationary Signals in Multipath Propagation Environments

doi:10.13190/jbupt.200901.43.guoy

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2009, Vol. 32 ›› Issue (1): 43-46.doi: 10.13190/jbupt.200901.43.guoy

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Estimation of Direction-of-Arrival of Cyclostationary Signals in Multipath Propagation Environments

Received:2008-04-04 Revised:2008-11-04 Online:2009-01-28 Published:2009-01-28

Abstract

Abstract:

Two approaches called virtual moving-cyclic autocorrelation (VM-CAC) and virtual moving-cyclic crosscorrelation (VM-CCC) based on conjugate Cyclic MUSIC is proposed for a uniform linear array. Compared with spatial smoothing scheme, the coherent signals that caused rank deficiency are decorrelated without reducing the effective aperture of the array. Simulation results are presented that a higher resolution performance will be achieved relative to the conventional ones.

Key words: color: black, font-size: 10.5pt, mso-fareast-font-family: 宋体, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA" lang="EN-US">Cyclostationaritycolor: black, font-size: 10.5pt, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-bidi-font-family: 'Times New Roman', mso-hansi-font-family: 'Times New Roman', mso-ascii-font-family: 'Times New Roman'">；color: black, font-size: 10.5pt, mso-fareast-font-family: 宋体, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA" lang="EN-US">Coherent signalscolor: black, font-size: 10.5pt, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-bidi-font-family: 'Times New Roman', mso-hansi-font-family: 'Times New Roman', mso-ascii-font-family: 'Times New Roman'">；color: black, font-size: 10.5pt, mso-fareast-font-family: 宋体, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA" lang="EN-US">Direction-of-arrivalcolor: black, font-size: 10.5pt, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, mso-bidi-font-family: 'Times New Roman', mso-hansi-font-family: 'Times New Roman', mso-ascii-font-family: 'Times New Roman'">；color: black, font-size: 10.5pt, mso-fareast-font-family: 宋体, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA" lang="EN-US">Virtual moving.

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Estimation of Direction-of-Arrival of Cyclostationary Signals in Multipath Propagation Environments

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