Low SAR, Compact and Multiband Antenna

This paper proposes a new mobile handset antenna structure to reduce the value of the speciflc 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{1030MHz) and (1.71{7.8GHz). Moreover, the flrst 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£1:5mm 3 (0.6cm 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.

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