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Effect of signal and noise mutual coupling on MIMO channel capacity

Effect of signal and noise mutual coupling on MIMO channel capacity

Rapajic, Predrag, Kennedy, Rodney A. and Krusevac, Snezana M. (2007) Effect of signal and noise mutual coupling on MIMO channel capacity. Wireless Personal Communications, 40 (3). pp. 317-328. ISSN 0929-6212 (doi:10.1007/s11277-006-9193-8)

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Abstract

In this paper we analyze the impact of mutual coupling on MIMO channel capacity, considering its effect
on both signal and thermal noise. We calculate noise correlation matrix in the multi-antenna system with closely
spaced antenna by applying Nyquist’s thermal noise theorem. Then, we employ the noise correlation matrix in the
channel capacity formula, which enables the identification of thermal noise correlation contribution on the MIMO
channel capacity. In addition, we examine the variations in the mean branch signal-to-noise ratios (SNR) due to the
noise correlation. Our simulation results corroborate the theoretical analysis that mean and outage MIMO channel
capacity is underestimated if noise correlation due to mutual coupling effect is not accounted for

Item Type: Article
Additional Information: This paper was also given at the 8th International Symposium on Wireless Personal Multimedia Communications Aalborg, DENMARK, SEP 18-22, 2005
Uncontrolled Keywords: mutual coupling, thermal noise, MIMO channel capacity
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments: School of Engineering > Department of Computer & Communications Engineering
School of Engineering
Related URLs:
Last Modified: 14 Oct 2016 09:08
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/2967

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