Impact of total efficiency of multiple element antennas on diversity and capacity

For analyzing the effect of antenna efficiency on MIMO communications, it is convenient to express the total efficiency of a multiple element antenna (MEA) as a diagonal matrix of the total efficiencies of the embedded elements. Using this, the impact of the MEA total efficiency on the diversity gai...

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Bibliographic Details
Published in2012 6th European Conference on Antennas and Propagation (EUCAP) pp. 378 - 381
Main Authors Yun, J. X., Vaughan, R. G.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.03.2012
Subjects
Antennas
capacity
Correlation
diversity
Diversity methods
Diversity reception
efficiency
MEA
MIMO
MIMO antennas
Signal to noise ratio
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Summary:For analyzing the effect of antenna efficiency on MIMO communications, it is convenient to express the total efficiency of a multiple element antenna (MEA) as a diagonal matrix of the total efficiencies of the embedded elements. Using this, the impact of the MEA total efficiency on the diversity gain and information theoretic capacity is formulated and demonstrated. A diversity order and a capacity order are defined from an equivalent number of idealized (lossless, uncorrelated, uncoupled, equal power) branches, similar to the concept of degrees of freedom. This equivalent branch metric allows the performances of different MEA designs to be compared.
ISBN:145770918X
9781457709180
ISSN:2164-3342
DOI:10.1109/EuCAP.2012.6205829