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Low SAR, Compact and Multiband Antenna

Proceedings article published in 2013 by Kamel S. Sultan, Haythem H. Abdullah ORCID, Esmat A. Abdallah, Essam A. Hashish
This paper is available in a repository.
This paper is available in a repository.

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Preprint: policy unknown
Question mark in circle
Postprint: policy unknown
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Published version: policy unknown

Abstract

This paper proposes a new mobile handset antenna structure to reduce the value of the specific absorption rate (SAR) and to cover most of the mobile operating bands and other wireless applications. The covered bands are the GSM 900, DCS 1800, PCS 1900, UMTS 2100, and most of the LTE bands. Furthermore, it covers the ISM, WiMAX and the WLAN bands. The electromagnetic radiation in the direction of the human head is reduced via the use of electromagnetic band gap structure (EBG). The antenna is constructed from a monopole and a meander line. The operating bands ranges from (850–1030 MHz) and (1.71–7.8 GHz). Moreover, the first band of the antenna can be tuned by using various meander line lengths or by adjusting the spacing between the monopole and the meander line, while the second band can be tuned by adjusting the monopole length or the meander line area. The antenna volume is 20×20×1.5 mm 3 (0.6 cm 3), so the proposed antenna is suitable for many wireless handheld devices. The simulation results are compared to the experimental measurements and a good agreement is observed.