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A compact sub‐6 GHz band filtering patch antennae using step impedance resonators

Summary This research study proposes a combined filter‐antenna design by employing stepped impedance resonator (SIR) techniques. The filtering antenna is designed around the unlicensed frequency band of 5.3 and 5.6 GHz. The filtenna realizes an insertion loss of −3.15 dB and return loss of −22 dB in...

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Bibliographic Details
Published in:International journal of communication systems 2024-12, Vol.37 (18), p.n/a
Main Authors: Gnanamani, Christina, Thomas, Anita Jones Mary
Format: Article
Language:English
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Summary:Summary This research study proposes a combined filter‐antenna design by employing stepped impedance resonator (SIR) techniques. The filtering antenna is designed around the unlicensed frequency band of 5.3 and 5.6 GHz. The filtenna realizes an insertion loss of −3.15 dB and return loss of −22 dB in the frequency band of 5.3 GHz and further −17.8 dB return loss in the 5.6‐GHz band. The developed filtenna achieves omni‐directional radiation pattern suitable for unlicensed applications with better selectivity and also results in low reflection loss. The observed voltage standing wave ratio is 1.6, and antenna gain is approximately 6.2 dBi in the 5.6‐GHz band. The simulation results obtained align consistently with real‐time measurements. The developed filtenna achieves omni‐directional radiation pattern suitable for unlicensed applications with better selectivity and results in low reflection loss. VSWR is 1.6 and Antenna gain is approximately 6.2 dBi in the 5.6 GHz band.
ISSN:1074-5351
1099-1131
DOI:10.1002/dac.5957