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TitleEnhanced low profile, dual-band antenna via novel electromagnetic band gap structure
Author(s)El Ghabzouri, Mohammad E.
Es Salhi, Abdenacer
Anacleto, Pedro Alexandre Marques
Mendes, P. M.
Issue date2017
PublisherElectromagnetics Academy
JournalProgress In Electromagnetics Research C
Abstract(s)This paper presents a dual-band, low profile antenna with reduced specific absorption rate (SAR) for mobile handset applications. Here, dual-band operation is obtained by combining a printed dipole antenna (initially resonating at 4.3 GHz) with EBG mushroom-like structures loaded with circular slots (CS). The final structure operates at 3.44 GHz (additional band required for LTE Advanced LTE-A) and 4.5 GHz (for Smartphone WLAN applications) with improved bandwidth and reflection coefficient (350-MHz around 3.5 GHz with −26 dB, and 330 MHz around 4.5 GHz with −30 dB). Finally, a dosimetry study of the proposed printed dual-band dipole antenna is presented and verifies an SAR reduction from 9 W/Kg to 1.41 W/Kg compared to the same antenna without any loading structure, and from 3.98 W/Kg to 1.41 W/Kg compared to a standard EBG mushroom-like structure.
AccessRestricted access (Author)
Appears in Collections:DEI - Artigos em revistas internacionais

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