2006•Unpublished venueRequires access

Effective Coding Gain for Space-Time Codes

Jimmy Chui, A.R. Calderbank

Abstract

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 degradation in error performance. We demonstrate the value of the new concept through analysis of space-time block codes for the quasi-static Rayleigh fading channel

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Key concepts: Coding gain, Diversity gain, Pairwise error probability, Block code, Computer science, Rayleigh fading, Algorithm, Bit error rate