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International Journal of Antennas and Propagation
Volume 2012, Article ID 748070, 6 pages
Research Article

Compact Multiantenna

CEA-Leti, Minatec Campus, 17 Rue des Martyrs, 38054 Grenoble Cedex 9, France

Received 30 July 2011; Accepted 30 October 2011

Academic Editor: Li Yang

Copyright © 2012 L. Rudant et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Planar inverted-f antenna (PIFA) and notch antenna are combined within a compact 2-port MIMO antenna. Electrical and magnetic duality of the two antennas avoids a critical coupling and best performances can be expected for multiple-input multiple-output (MIMO) communication. When excitation of notch antenna is optimized properly, the notch length can be short enough so that the two antennas can be colocated in a single compact volume. This compact multiantenna design is suitable for integration in MIMO handheld terminals. A prototype for broadband network application in 3.4–3.8’GHz frequency band has been characterized in anechoic chamber.