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Performance analysis of semiblind channel estimation in long-code DS-CDMA systems

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2 Author(s)
Husheng Li ; QUALCOMM Inc., San Diego, CA ; Poor, H.V.

The performance of second-order statistics (SOS)-based semiblind channel estimation in long-code direct-sequence code-division multiple-access systems is analyzed. The covariance matrix of second-order statistics estimates is obtained in the large system limit and is used to analyze the large-sample performance of two SOS-based semiblind channel estimation algorithms. A notion of blind estimation efficiency is also defined and is examined via simulation results

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Signal Processing, IEEE Transactions on  (Volume:54 ,  Issue: 9 )