here we made a comparative study the bit error probability between 2x2 and 4x4 ,bpsk modulated system for both linear complex field coding A & B (i.e LCFA & LCFB) in rician faded channel.
what we found that in case of 2x2 antenna system LCFA & LCFB dose matter in terms of bit error probability. LCFB gives a much better result then LCFA in case of ML(maximum likelihood ) decoding . but when we move to 4x4 antenna system we saw it really doesn't matter . because as we go higher system receiver got much more coded signal for a particular signal then the lower Oder system for deciding the original massage .
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