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Improved design criteria and new trellis codes for space-time coded modulation in slow flat fading channels
2001
IEEE Communications Letters
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The design criteria for space-time code under slow flat Rayleigh fading environments are well known to be the rank criterion and the determinant criterion. However, the derivation of these two criteria is based on the assumption that the signal-tonoise ratio (SNR) is sufficiently high. Hence these criteria are loose when the SNR does not satisfy this assumption. In this letter, we consider this practical issue and derive tighter design criteria for moderate and low SNRs. Some new space-time
doi:10.1109/4234.935753
fatcat:jc47bgxcorhwfoa22elhgca4hq