Kasami sequences are derived from maximal sequences. This paper presents the auto correlation and cross correlation values of Kasami codes and their Comparison with the m sequence. The objective of this paper is to evaluate the effect of various length Kasami codes on the Bit Error Rate (BER) performance of multi-user spread spectrum Quadrature Phase Shift Keying (QPSK) in the fading channel, which exhibits a frequency selective nature and follows Rayleigh distribution, considering delayed exponential power profile with The Minimum Mean Squared Error (MSME) equalizer at receiver. Bit Error Rate Vs SNR (dB) for QPSK modulation in Kasami codes is shown using a graphical approach using MATLAB®.
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M et al. (2024) studied this question.
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