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Home Institutional Repository Minimizing the Noise Penalty Due to Mutual Coupling for a Receiving Array

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Minimizing the Noise Penalty Due to Mutual Coupling for a Receiving Array

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Permanent URL	http://hdl.lib.byu.edu/1877/621
Title	Minimizing the Noise Penalty Due to Mutual Coupling for a Receiving Array
BYU Creator	Warnick, Karl F.
Creator	Belostotski, Leonid Russer, Peter
Keywords	Antenna array mutual coupling; Amplifier noise; Noise matching
Description/Abstract	For phased array receivers, mutual coupling leads to beam-dependent effective impedances at array element ports. Front end amplifiers can be matched for optimal noise performance for one beam steering direction, but noise performance becomes poor at other steering directions. We analyze this noise penalty in terms of beam equivalent noise temperature for various amplifier noise matching conditions, and develop a new matching condition that minimizes the average beam equivalent receiver noise temperature over multiple beams. For non-beamforming applications such as MIMO communications, we show that noise performance for coupled arrays can be quantified using the spectrum of an available receiver noise temperature correlation matrix.
Date Original	2008
Date Digital	2008-03-28
Language	English eng en
Publication Type	Peer-Reviewed Articles
Type	Text
Format	application/pdf
Owning Institution	Brigham Young University
BYU College	Ira A. Fulton College of Engineering and Technology
BYU Department	Electrical and Computer Engineering
Copyright Status	(c) 2008 IEEE;
Copyright Use Information	http://www.lib.byu.edu/generic_copyright.html

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