Soon Yil Kwon

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In this paper, a multistage decision-directed channel estimation scheme is proposed for a coherent direct-sequence code-division multiple-access (DS-CDMA) system with -ary orthogonal signaling. The receiver with multistage decision-directed channel estimator makes alternate use of symbol detection and channel estimation in an iterative manner, resulting in(More)
The probability density function (pdf) of the signalto-noise ratio (SNR) for third-order selection combining (SC3) in the paper referenced in the title is incorrect. In this letter a correction is given by presenting a more efficient method of deriving the generalized pdf of the SNR essential in the analysis of N th-order selection combining.
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