The role of polarization diversity for MIMO systems under rayleigh-fading environments
Autor
Valenzuela Valdés, Juan Francisco; García Fernández, Miguel Ángel; Martínez González, Antonio Manuel; Sánchez Hernández, David AgapitoGrupo de investigación
Grupo de Ingeniería de Microondas, Radiocomunicaciones y Electromagnetismo (GIMRE)Área de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
This 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.Fecha de publicación
2006-12Editorial
IEEE Antennas and Propagation SocietyCita bibliográfica
VALENZUELA 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 1536-1225Palabras clave
Diversidad de gananciaEntrada múltiple y salida múltiple (MIMO)
MIMO
Sistemas de diversidad de polarización
Resumen
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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