Effect of user presence on receive diversity and MIMO capacity for rayleigh-fading channels

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URI: http://hdl.handle.net/10317/834
ISSN: 1536-1225
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Author
Valenzuela Valdés, Juan Francisco; Martínez González, Antonio Manuel; Sánchez Hernández, David Agapito
Research Group
Grupo de Ingeniería de Microondas, Radiocomunicaciones y Electromagnetismo (GIMRE)
Knowledge Area
Teoría de la Señal y las Comunicaciones
Sponsors
This work was supported in part by the Fundación Séneca, the R&D coordinating unit of the Autonomous Region of Murcia (Spain) under Projects 2I05SU0033 and TIC-TEC 06/01-0003.
Publication date
2007
Publisher
IEEE Antennas and Propagation Society
Bibliographic Citation
VALENZUELA VALDÉS, Juan F., MARTÍNEZ GONZÁLEZ, Antonio F., SÁNCHEZ HERNÁNDEZ, David. Effect of User Presence on Receive Diversity and MIMO Capacity for Rayleigh-Fading Channels. IEEE Antennas and Wireless Propagation Letters, 6: 596-599, 2007. ISSN 1536-1225
Keywords
Coeficiente de correlación
MIMO
Potencia absorbida
Sistemas de multiple salida y multiple entrada (MIMO)
Abstract
The effects of the presence of the user on multipleinput– multiple-output (MIMO) performance for wireless communications systems is investigated through measurements in a reverberation chamber. Measured results have demonstrated that despite a decrement on the envelope correlation coefficient, a degradation of both diversity gain and MIMO capacity are expected when the user is present. While the validity of the correlation coefficients for predicting MIMO performance is limited in the presence of the user, the effects have also been found to be strongly dependent upon frequency, antenna topology, and user characteristics.
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