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On fast-decodable space-time block codes
Biglieri, Ezio; Hong, Yi; Viterbo, Emanuele
Universitat Pompeu Fabra
We focus on full-rate, fast-decodable space–time block codes (STBCs) for 2 x 2 and 4 x 2 multiple-input multiple-output (MIMO) transmission. We first derive conditions and design criteria for reduced-complexity maximum-likelihood (ML) decodable 2 x 2 STBCs, and we apply them to two families of codes that were recently discovered. Next, we derive a novel reduced-complexity 4 x 2 STBC, and show that it outperforms all previously known codes with certain constellations.
This work was supported by the STREP project No. IST-026905 (MASCOT) within the Sixth Framework Programme of the European Commission. The work of E. Biglieri was also supported by Sequans Communications, Paris, France.
Comunicació sense fil, Sistemes de
Sistemes MIMO
Alamouti code
Decoding complexity
Multiple-input multiple-output (MIMO)
Quasi-orthogonal space-time block codes (STBCs)
Sphere decoder
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