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Reconfigurable Low-Profile Antenna-Based Metamaterial for On/Off Body Communications
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Author(s): Souad Berhab (Kasdi Merbah Ouargla University, Algeria), Abderrahim Annou (Kasdi Merbah Ouargla University, Algeria)and Fouad Chebbara (Kasdi Merbah Ouargla University, Algeria)
Copyright: 2023
Pages: 35
Source title:
Handbook of Research on Emerging Designs and Applications for Microwave and Millimeter Wave Circuits
Source Author(s)/Editor(s): Jamal Zbitou (LABTIC, ENSA of Tangier, University of Abdelmalek Essaadi, Morocco), Mostafa Hefnawi (Royal Military College of Canada, Canada), Fouad Aytouna (LABTIC, ENSA of Tetouan, University of Abdelmalek Essaadi, Morocco)and Ahmed El Oualkadi (LabTIC, ENSA of Tangier, University of Abdelmalek Essaadi, Morocco)
DOI: 10.4018/978-1-6684-5955-3.ch007
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Abstract
This chapter proposes a novel method to reduce the specific absorption rate (SAR) of a compact CPW antenna. A combination of three efficient techniques is employed to develop a dual-band bowtie metamaterial antenna with safer SARs. Following this approach, the authors have designed a low-profile antenna with a footprint of only 0.074λ02 and low backward radiation. The simulated results confirm the antenna's suitability for wireless body area network devices operating in the Unlicensed National Information Infrastructure (U-NII) at 5.33 GHz and 18.17 GHz frequency bands for military radar applications. The authors have developed two oppositely faced B-shaped resonators to form the bowtie-shaped DNG unit cell. A compact size and dual-band operation were attained by loading the bowtie-shaped into the CPW antenna. The antenna's conception used the available package CST software, printed on Rogers RT5880, and the CPW-fed monopole mechanism for the excitation.
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