Abstract

In this paper, we theoretically analyse the influence by intersymbol interference (ISI) on the bit error rate (BER) performance of the spread spectrum (SS) system using a real-valued Huffman sequence whose aperiodic correlation function has zero sidelobes except at the left and right shift-ends, under the quasi-static Rayleigh fading environment. The system can give the unified communication and ranging system because the output of a matched filter (MF) is the ideal impulse by overlap of 1 chip. As a result, the BER performance of the system under the quasi-static Rayleigh fading environment is improved with decrease in the absolute value of the shift-end value, is not influenced by ISI if the shift-end value is almost zero-value.

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