Simulating the performance of a communication system

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Reference no: EM131302230

In order to validate the results of simulating the performance of a communication system operating over fading channels, we often compare the performance of the simulated systems against similar systems operating over ideal AWGN channels and/or over a Rayleigh fading channels with ideal phase references.

Compare the BER versus E_b/N₀performance of a QPSK system operating over an AWGN channel with an integrate-and-dump receiver with a differential QPSK system over a Rayleigh fading channel with AWGN. The received signal (bandpass case) is of the form

Where T_s is the symbol duration, n(t) represents the AWGN, and φk represents the differential QPSK modulation. In addition, R_k and θ_k represent the amplitude and phase associated with the Rayleigh fading. Assume that R_k and θ_kchange slowly with respect to the symbol rate.

Reference no: EM131302230

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