Detection scheme for linear dispersion space-time block codes using modified SQRD decomposition

Joaquín Cortez González, Ramón René Palacio Cinco, Erica C. Ruíz Ibarra, Adolfo Espinoza, Armando García Berumen

Abstract


In this work, a novel architecture for detection of Hybrid MIMO Systems over Rayleigh fading channels is presented. The Hybrid MIMO scheme consists of one Alamouti space-time block code unit, plus  antennas operating as layers of V-BLAST in the transmitter. The proposed receiver is based on the algorithm Sorted QR decomposition (SQRD) presented in (Wubben et al., 2001). This proposal reduces significantly the complexity while maintaining the advantages of the SQRD scheme, obtaining a considerable gain in performance in terms of bit error rate (BER) at the expense of decreasing data rate.


Keywords


Hybrid MIMO systems; linear dispersion space-time codes; QR decomposition

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References


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DOI: https://doi.org/10.21640/ns.v9i18.821

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Nova Scientia, year 9, issue 19, November 2017 – April 2018, is a biannual journal printed by the Universidad De La Salle Bajío, with its address: Av. Universidad 602, Col. Lomas del Campestre, C. P. 37150, León, Gto. México. Phone: (52) 477 7108500, e-mail: http://nova_scientia.delasalle.edu.mx. Chief editor: Ph.D. Rolando Pérez Álvarez and Ph.D. Ramiro Rico Martínez. ISSN 2007 - 0705. Copyright for exclusive use No. 04-2008-092518225500/102, Diffusion rights via computer net 04 - 2008 – 121011584800-203 both granted by the Instituto Nacional del Derecho de Autor.

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