Simulation Of Error Correction Codes On Wireless Communication Systems

Error correction codes are widely used in almost all digital systems as they provide a method fordealing with the unknown, noise. This research has investigated the performance of errorcorrection codes in wireless communication systems with the use of MATLAB. The errorcorrection code employed was the convolution error correction codes. The performance of thecodes were evaluated based on key performance indicators like gain, Bit Error Rate (BER) e.t.c.by transmitting randomly generated data through a Gaussian channel. For the verification ofproposed approach, computer simulation results are included. The results showed a comparisonof the performance of the convolution codes (with different code rates) in terms of their BERperformance. Based on the results of the plots, up to 70% and 74% improvement on codinggains were achieved between reference points of 10-2and 10-4respectively for the two code rates(1/2 and 1/3) used. The results also showed that with the BER decreased, the coded system cantransmit data signals with at least 3dB less power thus making the performance of the codedsystem better than the uncoded system.

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