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The performance of space-time codes is evaluated in terms of diversity gain and coding gain, two measures which describe the worst-case pairwise error probability between codewords at high signal-to-noise ratio (SNR). We introduce the concept of effective coding gain to provide an estimate on the bit error rate (BER) at low-to-moderate SNR. This concept connects the number of nearest neighbours with...
We consider a multi-input multi-output (MIMO) communication system equipped with a linear minimum mean-square error (MMSE) receiver. We design a full-rate linear space-time block code (STBC) for blocks of data that span several realizations of a block-static fading channel to achieve high diversity gain. The proposed code structures are necessary and sufficient to minimize the detection error probability...
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