Effects of antenna mutual coupling on the performance of MIMO systems

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Abstract

In this work, we study the effect of mutual coupling between multiple antennas on the outage capacity of a 2x2 multiple-input mUltiple-output (MIMO) system in flat fading channels. We model the effect of mutual coupling as an extra coupling matrix on top of the correlation matrix due to the propagation environment. The results show that mutual coupling reduces the correlation between the antennas from the propagation environment. On the other hand, mutual coupling also introduces extra power loss when the antennas are placed too close. The combination of these two effects on the outage capacity of MIMO systems is investigated. The simulations show that mutual coupling results in extra degradation of the outage capacity.
Original languageEnglish
Title of host publicationProceedings of the 29th Symposium on Information Theory in the Benelux, May 29-30, 2008, Leuven, Belgium
EditorsL. Perre, Van der, A. Dejonghe, V. Ramon
Place of PublicationLeuven
PublisherIMEC
Pages207-215
ISBN (Print)978-90-9023135-8
Publication statusPublished - 2008

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    Wu, Y., Linnartz, J. P. M. G., Bergmans, J. W. M., & Attallah, S. (2008). Effects of antenna mutual coupling on the performance of MIMO systems. In L. Perre, Van der, A. Dejonghe, & V. Ramon (Eds.), Proceedings of the 29th Symposium on Information Theory in the Benelux, May 29-30, 2008, Leuven, Belgium (pp. 207-215). Leuven: IMEC.