Analysis of antenna diversity performance dependence on multi-antenna channel delay spread in reverberation chamber

Miguel A Garciafernandez,N Arsalane,Moctar Mouhamadou,David Carsenat,Cyril Decroze,Thierry Monediere

Antennas and Propagation（2012）

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摘要

Reverberation chambers (RC) are cost-effective tools for evaluating Multiple-Input Multiple-Output (MIMO) Over-The-Air (OTA) communication systems performance. In order to assess their performance, several figures-of-merit (FOM) are made use of, such as diversity gain, which is typically used to present the effectiveness of a diversity antenna system. Nevertheless, scarce publications related to the effect of root mean square (RMS) delay spread on these figures-of-merits can be found in the literature. In this contribution, we present an analysis of the dependence of the effective antenna diversity gain on the RMS delay spread of a wireless channel by means of a multi-antenna OTA communication system using a QPSK modulation inside an RC. For that purpose, several channel RMS delay spread profiles have been achieved inside the RC by varying the amount of absorbing material placed within its cavity.

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关键词

mimo communication,antenna arrays,quadrature phase shift keying,reverberation chambers,spread spectrum communication,wireless channels,fom,mimo ota communication system,qpsk modulation,rc,rms delay spread,absorbing material,antenna diversity performance dependence,diversity gain,figures-of-merit,multiantenna ota communication system,multiantenna channel delay spread,multiple-input multiple-output over- the-air communication system,reverberation chamber,root mean square delay spread,wireless channel,delay spread,diversity reception,mimo,phase shift keying,figures of merit,signal to noise ratio,antennas

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