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Title:
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Optimization of linear multielement antennas for selection combining by means of a Butler matrix in different MIMO environments
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Author:
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Grau Besolí, Alfred; Romeu Robert, Jordi; Blanch Boris, Sebastián; Jofre Roca, Lluís; Flaviis, Franco de
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Other authors:
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Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. ANTENNALAB - Grup d'Antenes i Sistemes Radio |
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Abstract:
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An optimized linear multielement antenna (MEA)
is presented for selection combining schemes that improves the
selection diversity gain and selection diversity capacity in medium
and low multipath environments, with respect to the performance
achieved with a simple uniform linear array (ULA) using omnidirectional
antennas, while it performs equally as well as a
ULA in highly scattered environments. An analytical investigation
based on the analysis of the correlation coefficients, together with
simulations and extensive measurements, have been carried out
for different fading multiple-input multiple-output environments
ranging from line of sight (LOS) to non-LOS. Two MEAs are
compared: a simple ULA with omnidirectional antennas and a
MEA combining a ULA and a Butler matrix. The measurement
results show that the nature of the proposed MEA is such that it
is adaptive to any propagation scenario by simultaneously taking
advantage of beamforming gain and signal diversity gain. |
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Abstract:
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Peer Reviewed |
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Subject(s):
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-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica
-Antenna arrays
-Signal processing
-MIMO systems
-Array signal processing
-Beamforming gain
-Butler matrix
-Correlation coefficient analysis
-Diversity reception
-Electromagnetic wave scattering
-Highly scattered environment
-Linear antenna arrays
-Linear multielement antennas
-Matrix algebra
-MEA optimization
-MIMO systems
-Multipath environment
-Omnidirectional antenna
-ULA
-Uniform linear array
-Antenes -- Agrupacions -- Disseny
-Processament del senyal
-MIMO systems |
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Rights:
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Document type:
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Article |
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Published by:
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IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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