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Comments on "Effect of system imperfections on BER performance of a CDMA receiver with multipath diversity combining"

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3 Author(s)
Junsong Xie ; Inst. of Mobile Commun., Southwest Jiaotong Univ., Chengdu, China ; Xiaohu Tang ; Pingzhi Fan

For original paper see Panicker, J. and Kumar, S., ibid., vol.45, p.622-30 (1996). In Panicker and Kumar's paper, a direct-sequence (DS) code-division multiple-access (CDMA) system with imperfections in power control, channel parameter, and spreading code-phase estimation was analyzed. The received signal power was modeled by a log-normally distributed random variable and the estimation errors were assumed to be zero-mean Gaussian-random variables. With Gaussian approximation, the bit error rate (BER) performance for such a multipath combining receiver was obtained. However, several errors (apparently due to incomplete proofreading) have been found in the performance analysis. These are noted and corrected.

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Vehicular Technology, IEEE Transactions on  (Volume:52 ,  Issue: 5 )