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BPSK BER v/s SNR Simulation for AWGN channel

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BPSK BER v/s SNR Simulation for AWGN channel



04 Sep 2012 (Updated )

Binary Phase Shift Keying Simulation for BER v/s SNR of Additive White Gaussian Noise Channel

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Transmitted bits at the receiver are detected using SOFT Detection Technique, i.e. if the received bit is positive it is detected as +1 and if the bit is negative it is detected as -1. AWGN with mean 0 and variance 1 is used at the receiver. If the transmitted bit is -1, it is received as -(sqrt(P))+n, where n is Gaussian Noise and P is signal power. As noise is having 0 mean, -sqrt(SNR) is used instead of -sqrt(P). Similarly if the transmitted bit is +1 then it is received as +(sqrt(SNR))+n.

Required Products Communications System Toolbox
MATLAB release MATLAB 7.14 (R2012a)
MATLAB Search Path
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Comments and Ratings (3)
10 Jun 2015 ercan sisko  
19 May 2014 Anh Le Khanh  
07 Mar 2013 Batman begins  
06 Sep 2012 1.2

Some clarification on the detection scheme used has been given.

31 Oct 2014 1.3

Submitted as a toolbox

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