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Adaptive trace-orthonormal STBC for MIMO system with capacity approaching FEC codes

Ammar El Falou 1, 2 Charlotte Langlais 1, 2 Charbel Abdel Nour 1, 2 Catherine Douillard 1, 2
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : Space time block codes (STBCs) are commonly designed according to the rank-determinant criteria, suitable for high signal to noise ratio (SNR) values. However, capacity approaching forward error correcting codes, used in practical communication systems, achieve iterative convergence at low to moderate SNR. In this paper we first present a non-asymptotic STBC design criterion based on the bitwise mutual information (BMI) maximization at a specific target SNR. According to this BMI criterion, we then optimize a trace-orthonormal-based STBC structure. Therefore, designed STBC becomes adaptive with respect to the SNR. Proposed adaptive trace-orthonormal STBC shows identical or better performance than 2×2 STBCs of a turbo-coded WiMAX system.
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Submitted on : Wednesday, June 23, 2021 - 7:42:53 PM
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Ammar El Falou, Charlotte Langlais, Charbel Abdel Nour, Catherine Douillard. Adaptive trace-orthonormal STBC for MIMO system with capacity approaching FEC codes. VTC2012-Fall 2012: 76th IEEE Vehicular Technology Conference, Sep 2012, Québec, Canada. ⟨10.1109/VTCFall.2012.6399204⟩. ⟨hal-00797517⟩



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