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TX and RX raised cosine filter in wireless channel

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shamma

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Greetings ,
i am simulating a simple wireless channel consisting of only Bernoulli random generator- TX raised cosine filter -AWGN channel RX raised cosine filter but the output is very distorted , i have kept both the filter roll off factor to 0.2 their upsampling and downsampling factor is set to 100 while the AWGN SNR is 2dB do anyone have the idea where am i wrong ?
thanks
 

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