Friday, 22 February 2013

Channel Capacity (Unfinished with simulation )

According to the concepts, we know that in the presence of noise, if the number of signal levels M increases, the ability of the receiever to distinguish between symbols decreaes. Hence, we should try to find an appropriate channel to achieve the mitigation of the noise.
There are some channels which are normal to be used in the communication system. AWGN channel and Rayleigh Fading Channel. When we are doing some calculations, the Shannon's Theorem is strongly recommended.
In this experiment, we should find the lower and upper AWGN channel capacity bound and the approximate capacity, then find the numerically computed shannon capacity.
Shannon capacity upper and lower bound are shown in the following formulas, respectively 

At the end of the today's experiment, we havn't simulated all results, so the final figure will be posted in the next blog.
 

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