Abstract
The work presents the investigation of GMSK and BPSK transmission schemes with both MRC and EGC diversity combining techniques over Rayleigh flat fading channels in a digital mobile wireless system. The System model for the received signal was developed under two propagation paths and simulated. Randomly generated symbols and Image data, were used as the Information signal. The results obtained showed that BPSK had a higher error probability values than the corresponding GMSK scheme. The results showed that due to GMSK high immunity to noise and other interfering signals, it provides a better performance than BPSK signalling scheme. Also, MRC was observed to perform better in terms of mitigation of the interference induced by the Rayleigh channel than EGC diversity combining technique. The quality of the images received with both signalling scheme were in agreement with the BER results.
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