The Performance of Space-Time Block Codes From Coordinate Interleaved Orthogonal Designs Over Nakagami-M Fading Channels

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Executive Summary

Space-Time Block Codes (STBCs) from Coordinate Interleaved Orthogonal Designs (CIODs) offer several advantages including full-diversity and single-symbol decodability. In an effort to assess their performance in quasi-static frequency-nonselective i.i.d. Nakagami-m fading channels, the authors analyze the error rate, outage capacity, and information outage probability. First, based on an accurate closed-form formula for the average Symbol Pairwise Error Rate (SPER), the authors derive tight union upper and lower bounds on the Symbol-Error Rate (SER). Second, they apply Gaussian and Gamma approximations to provide closed-form expressions for the outage capacity. Third, using high Signal-to-Noise Ratio (SNR) and moment-matching approximation techniques, they also derive accurate closed-form approximations for the Information Outage Probability (IOP).

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