# MRC ABER over Rayleigh Fading

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#### David83

Hi,

Does any one have the complete derivation of the average bit error rate (ABER) of BPSK, where the receiver performs maximal ratio combining (MRC) over L independent and identically distributed (i.i.d) Rayleigh fading branches? There are many books have the final result, but I do not know how to get there from the basic averaging integral.