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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.
02-07-2013
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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