In communication, wireless communication is most popular, but there are number of challenges to implement these systems. In digital communication, to decrease the complete interference in signal, Spread Spectrum is a special system designed. A DS-SS(Direct Sequence Spread Spectrum) is described here in the paper with both Rayleigh and AWGN channels using Quadrature Amplitude Modulation (QAM). It has been observed that results obtained are better AWGN channel as compared to Rayleigh channel.

Topics
Data processing, Amplitude modulation, Signal processing, Wireless communications
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