Measurement and analysis of frequency-domainVolterra kernels of nonlinear dynamic 3x3 MIMO systems

Multiple-input multiple-output (MIMO) frequency-domain Volterra kernels of nonlinear order 3 are experimentally determined in bandwidth-limited frequency regions. How the effect of higher nonlinear orders can be reduced and how this affects the estimated errors are discussed. The magnitude and phase...

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Bibliographic Details
Published inIEEE transactions on instrumentation and measurement
Main Authors Alizadeh, Mahmoud, Amin, Shoaib, Rönnow, Daniel
Format Journal Article
LanguageEnglish
Published 2016
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Summary:Multiple-input multiple-output (MIMO) frequency-domain Volterra kernels of nonlinear order 3 are experimentally determined in bandwidth-limited frequency regions. How the effect of higher nonlinear orders can be reduced and how this affects the estimated errors are discussed. The magnitude and phase of the kernels areKramers-Kronig consistent. The self- and cross-kernels have different symmetries and the kernels are therefore determined and analyzed in different regions in the 3D frequency space. By analyzing the properties along certain paths in the 3D frequency space, the block structures for the respective kernels are determined. These block structures contain the significant blocks of the general block structures for third-order kernels. The device under test is a MIMO transmitter for radio frequency signals.
ISSN:0018-9456
1557-9662