Open AccessProceedings Article
On S-parameter based complex correlation of multi-port antenna
Xiaoming Chen,Per-Simon Kildal +1 more
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TLDR
In this paper, a S-parameter based expression for the complex correlations of multi-port antennas is presented, which is tested against the correlation formula based on embedded antenna patterns and the measurement in a reverberation chamber.Abstract:
In this paper, we present a S-parameter based expression for the complex correlations of multi-port antennas. The formula is tested against the correlation formula based on embedded antenna patterns and the measurement in a reverberation chamber (RC). A 4-port wideband antenna is used as an example.read more
Citations
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Journal ArticleDOI
Employing correlation for wireless components and device characterization in reverberation chambers
TL;DR: In this paper, the complex correlation coefficient and the correlation coefficient with respect to the transferred power of two measured sample sequences are calculated and evaluated for a suitable frequency range to detect differences between the radiation characteristics.
Proceedings Article
The simple truth about effects of mutual coupling in MIMO arrays for single and multiple bit streams in rich isotropic multipath
Per-Simon Kildal,Xiaoming Chen +1 more
TL;DR: In this paper, the effects of mutual coupling on embedded radiation efficiency, correlation, diversity gain, and MIMO efficiency for single and multiple bit streams in rich isotropic multipath (RIMP) environment by using parallel dipoles and a compact wideband four-port antenna as examples.
References
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Book
Introduction to Space-Time Wireless Communications
TL;DR: This book is an accessible introduction to every fundamental aspect of space-time wireless communications and a powerful tool for improving system performance that already features in the UMTS and CDMA2000 mobile standards.
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Antenna diversity in mobile communications
TL;DR: The mutual resistance condition offers a powerful design tool, and examples of new mobile diversity antennas are discussed along with some existing designs.
Journal ArticleDOI
Exact representation of antenna system diversity performance from input parameter description
TL;DR: In this article, a simple formulation to compute the envelope correlation of an antenna diversity system is derived, which does not require the computation nor the measurement of the radiation pattern of the antenna system.
Journal ArticleDOI
Mutual coupling in MIMO wireless systems: a rigorous network theory analysis
Jon W. Wallace,Michael A. Jensen +1 more
TL;DR: A new framework for the analysis of multiple-input multiple-output (MIMO) wireless systems is introduced to account for mutual coupling effects in the antenna arrays and the multiport interactions at transmit and receive are characterized by representing the channel using a scattering parameter matrix.
Journal ArticleDOI
Correlation and capacity of MIMO systems and mutual coupling, radiation efficiency, and diversity gain of their antennas: simulations and measurements in a reverberation chamber
Per-Simon Kildal,Kent Rosengren +1 more
TL;DR: This work explains how MIMO and diversity antennas with mutual coupling can be analyzed by classical embedded element patterns that can be computed by standard computer codes and how the radiation efficiency, diversity gain, correlation, and channel capacity can be measured in a reverberation chamber.