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Analysis of MUSIC-based delay estimators for direct-sequence code-division multiple-access systems

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2 Author(s)
Li-Chung Chu ; Dept. of Electr. Eng., Ohio State Univ., Columbus, OH, USA ; Mitra, U.

Most receiver designs for asynchronous direct-sequence code-division multiple-access (DS-CDMA) systems exploit timing information to simultaneously detect the desired signal and suppress the interference. In this paper, a previously proposed MUSIC delay estimation algorithm is considered which requires no initial information and no exhaustive search of the delays. Based on a Taylor series expansion, approximations of the first and second moments of the delay estimation error are derived for this MUSIC algorithm. The analysis is alternative and further to that previously performed

Published in:
Communications, IEEE Transactions on  (Volume:47 ,  Issue: 1 )

Date of Publication: Jan 1999

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