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A Novel Design of Compact Dual-Band Bandpass Filter for Wireless Communication Systems

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Abstract

In this paper, design, fabrication, and measurement of a new microstrip dual-band bandpass filter with compact size and high selectivity characteristics for modern wireless communication systems is presented. The filter structure is composed of folded non-uniform meander resonators along with defected ground structure patterns. The proposed filter with a total size of 14.43 × 9.04 mm2 is designed to exhibit two passbands centered at 2.18 GHz and 5.12 GHz with fractional bandwidths of 16.2% and 6.48%, respectively. The measured insertion losses are about 1.13 dB and 2.65 dB at the lower and upper passband, respectively. The simulation and experimental measurement results are basically in good agreement which validate the proposed approach.

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Acknowledgements

The authors express their thanks to Mrs. F. MOUHOUCHE, University M’Hamed Bougara of Boumerdes, Institute of Electrical and Electronic Engineering, Signals and Systems Laboratory, Algeria, for the help during the fabrication and measurement of the antenna prototype.

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Authors and Affiliations

  1. Signals and Systems Laboratory, Department of Electronics, Institute of Electrical and Electronic Engineering, University M’Hamed Bougara of Boumerdes, 35000, Boumerdes, Algeria

    Mouloud Challal, Kenza Hocine & Ali Mermoul

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  1. Mouloud Challal
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  2. Kenza Hocine
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  3. Ali Mermoul
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Correspondence to Mouloud Challal.

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Challal, M., Hocine, K. & Mermoul, A. A Novel Design of Compact Dual-Band Bandpass Filter for Wireless Communication Systems. Wireless Pers Commun 109, 1713–1726 (2019). https://doi.org/10.1007/s11277-019-06648-9

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