Abstract

The bit error rate performance of a multipath combining type code division multiple access receiver with imperfections in power control, channel parameter estimation and spreading code phase estimation is analyzed. Imperfection in power control is taken into account by modeling the received signal power as a log normally distributed random variable. The estimate errors are modeled as zero mean Gaussian random variables. It is shown that the performance of such a receiver significantly degrades when variance of power control imperfection is above 0 dB, mean square error in channel parameter estimation is above 0.01 and standard deviation of the code phase error is above 0.1.

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