The role of polarization diversity for MIMO systems under rayleigh-fading environments
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AuthorValenzuela Valdés, Juan Francisco; García Fernández, Miguel Ángel; Martínez González, Antonio Manuel; Sánchez Hernández, David Agapito
Research GroupGrupo de Ingeniería de Microondas, Radiocomunicaciones y Electromagnetismo (GIMRE)
Knowledge AreaTeoría de la Señal y las Comunicaciones
SponsorsThis work was supported in part by Fundación Séneca, the R&D coordinating unit of the Autonomous Region of Murcia (Spain) under project reference 2I05SU0033. The authors wish to thank Bluetest AB for its generous educational discounting.
PublisherIEEE Antennas and Propagation Society
Bibliographic CitationVALENZUELA VALDÉS, Juan F. , GARCÍA FERNÁNDEZ, Miguel A., MARTÍNEZ GONZÁLEZ, Antonio M., SÁNCHEZ HERNÁNDEZ, David. The role of polarization diversity for MIMO systems under rayleigh-fading environments. IEEE Antennas and Wireless Propagation Letters, 5: 534-536, Diciembre 2006. ISSN 1536-1225
KeywordsDiversidad de ganancia
Entrada múltiple y salida múltiple (MIMO)
Sistemas de diversidad de polarización
Polarization diversity techniques have not received as much attention as others due to the significant difference in mean signal level between copolarized and cross-polarized branches when one polarization is transmitted. However, multiple- input–multiple-output (MIMO) systems where the multipath fading is only partially correlated could use polarization diversity to provide a high diversity gain. Hence there is a need to fully understand the role of true polarization diversity in such systems. In this letter, progressive (true) polarization diversity performance for 3 3 MIMO systems under Rayleigh-fading environments is evaluated through simulations and measurements. True polarization diversity was found to be as significant as spatial diversity at improving diversity gain, and hence MIMO system capacity.
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