2016

A. Boutejdar, W. Abd Ellatif, A. A. Ibrahim and M. Challal, “A simple transformation from lowpass to bandpass filter using a new quasi-arrow head defected ground structure resonator and gap-J-inverter, ” MOTL - Microwave and Optical Technology Letters, vol. 58, issue 4, pp. 947–953, Apr. 2016. DOI: 10.1002/mop.29705, Publisher: John Wiley & Sons.

2016

H. Louazene, M. Challal and M. Boulakroune, “Compact Ultra-Wide Band Bandpass Filter Design Employing Multiple-Mode Resonator and Defected Ground Structure, ” Procedia Computer Science - Journal - Elsevier, vol.73, pp. 376–383, Dec. 2015. DOI: 10.1016/j.procs.2015.12.006, Publisher: Elsevier.

2015

S. Fentiz, M. Boulakroune and M. Challal, “A Novel Tunable Circular Bandpass Patch Filter, ” Asian Academic Research Journal of Multidisciplinary, vol. 2, issue. 7, pp. 164-170, Dec. 2015. Website: http://www.asianacademicresearch.org/ , Publisher: Asian Academic Research Associates

2015

M. Challal, M. Dehmas, A. Azrar, R. Aksas and M. Trabelsi, “ Wide Stopband Microstrip Bandpass Filter Based on a Compact Slotted Ground Structure, ” ACTA Physica Polonica A, vol. 128, No. 2B, pp. B-71-B-72, Aug. 2015. DOI: 10.12693/APhysPolA.128.B-71, Publisher: Institute of Physics, Polish Academy of Sciences.

2015

K. Fertas, H. Kimouche, M. Challal, H. Aksas, R. Aksas and A. Azrar, “ Design and Optimization of a CPW-Fed Tri-band Patch Antenna using Genetic Algorithms, ” ACES Journal- Applied Computational Electromagnetics Society Journal , vol. 30, n° 7, pp. 754-759, Jul. 2015. Website: http://www.acessociety.org/search.php?vol=30&no=7&type=2, Publisher : Applied Computational Electromagnetics Society.

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