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Recent content by ahamdiheme

  1. A

    Simple OFDM Code <Help Pls>

    I am transmitting bits. I'm sure about that
  2. A

    Simple OFDM Code <Help Pls>

    I forgot to add the resulting figure, so here it is
  3. A

    Simple OFDM Code <Help Pls>

    Hello Everyone, I have written this MATLAB code for a simple convolutionally coded OFDM system with qpsk and over a rayleigh fading channel. The problem I have however is I do not get the desired BER plot for the code. Can someone please tell me where I have gone wrong in this code? Thank you
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    BER for OFDM using QPSK & Convolutional Encoding

    Thanks for your reply. I suspect my problem is with the noise generation, I have used the inbuilt matlab function to genrate awgn noise y = awgn(x,snr). Is there another way of generating noise apart from this? I can post the code if it will help. Thanks again
  5. A

    BER for OFDM using QPSK & Convolutional Encoding

    Hello, I have tried to simulate the performance of an OFDM system using QPSK a rate 1/2 convolutional code and a Viterbi decoder at the receiver. The problem I face now is after plotting the results, I come up with a funny graph that doesn't look anything like the theoretical result. Here's an...
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