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International Journal of Antennas and Propagation
Volume 2017 (2017), Article ID 6401810, 9 pages
Research Article

Efficient Design Methodology for a Complex DRA-SIW Filter-Antenna Subsystem

1Jodrell Bank Centre for Astrophysics, The University of Manchester, Manchester, UK
2Department of Electrical Engineering, COMSATS Institute of Information Technology, Islamabad, Pakistan
3Department of Electrical Engineering, CECOS University Peshawar, Peshawar, Pakistan
4Center for Advanced Studies in Telecommunications, COMSATS Institute of Information Technology, Islamabad, Pakistan
5XLIM, UMR 7252, Université de Limoges/CNRS, Limoges, France

Correspondence should be addressed to St├ęphane Bila

Received 11 January 2017; Revised 13 March 2017; Accepted 5 April 2017; Published 30 April 2017

Academic Editor: Yu Jian Cheng

Copyright © 2017 Umair Naeem 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.


This work reports on an efficient design methodology for realizing hybrid filter-antenna subsystems. Designing a filter-antenna subsystem in the case of complex multimode filter is not straightforward. The coupling of the antenna with a multimode filter depends upon several uncorrelated parameters. An efficient design methodology is proposed which can address these complex problems. The work focuses on the characterization of radiating and filtering elements and then proposes a reliable model, which is derived mathematically as well as from rigorous statistical analyses, which can then be used for designing hybrid filter-antenna structures such as a hybrid DRA codesigned with a SIW based multimode filter. A highly compact filter-antenna subsystem has been designed employing the proposed methodology, and the measured results validate the proposed design technique.