Performance of concatenated Walsh/PN spreading sequences for CDMA systems

TitlePerformance of concatenated Walsh/PN spreading sequences for CDMA systems
Publication TypeConference Paper
Year of Publication1999
AuthorsSebeni, J. O., and C. Leung
Conference NameVehicular Technology Conference, 1999 IEEE 49th
Pagination226 -232 vol.1
Date Publishedjul.
Keywordsapproximation theory, BER, bit error rate, cellular radio, characteristic function, code division multiple access, concatenated codes, concatenated Walsh/m-sequences, concatenated Walsh/PN spreading sequences, correlation receiver, error statistics, forward link, Gaussian approximation, Gaussian processes, m-sequences, modified RAKE receiver, Monte Carlo simulation, multipath channels, multiuser channels, performance, pseudonoise codes, radio links, radio receivers, Rice factors, Rician channels, Rician faded multipath channel, single cell CDMA system, spread spectrum communication, standard RAKE receiver

The bit error rate (BER) on the forward link of a single cell CDMA system using concatenated Walsh/m-sequences is studied. The BER results obtained by the Gaussian approximation, by the characteristic function approach and by Monte Carlo simulation are compared. A modified RAKE receiver is found to have better performance than the standard RAKE or correlation receivers especially for Rician faded multipath channels with Rice factors greater than 2 dB


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