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Optimal single-port...
Optimal single-port matching impedance for capacity maximization in compact MIMO arrays
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- Fei, Yuanyuan (författare)
- University of Edinburgh
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- Fan, Yijia (författare)
- Princeton University
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- Lau, Buon Kiong (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Thompson, John S. (författare)
- University of Edinburgh
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(creator_code:org_t)
- 2008
- 2008
- Engelska.
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Ingår i: IEEE Transactions on Antennas and Propagation. - 0018-926X. ; 56:11, s. 3566-3575
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http://dx.doi.org/10...
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Abstract
Ämnesord
Stäng
- A complete MIMO system model with compact arrays at both link ends containing arbitrary matching networks is presented based on a Z-parameter approach. The complete channel matrix including the coupling effect is also presented. Utilizing this system model, the optimum single-port matching impedance for capacity maximization is derived for a 2 × 2 MIMO system with coupling at the receivers only. A closed-form result for the optimum matching impedance in high signal-to-noise ratio scenarios is given and proved to be equal to the input impedance of the receive end. Simulation of ideal dipoles verifies our analytical results and demonstrates the superiority of the optimum matching to other matching conditions in improving MIMO system performance. Experimental data for monopoles is also presented to further confirm our numerical findings and validate the accuracy of our derivation.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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