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Shorted and Folded Antenna for GSM/DCS/Bluetooth Triple-Band Applications  

Kim, Jong-Sung (Kyungsung University, Department of Communications Engineering)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.45, no.1, 2008 , pp. 97-102 More about this Journal
Abstract
A new internal antenna for GSM/DCS/Bluetooth application is proposed by using a folded loop resonator. Both feed leg and shorting leg are symmetrically implemented at the center of the folded loop, thus leading to produce resonances at integer frequencies of quarter wavelength. An open stub added at one end of the folded loop can reduce resonant frequencies. The open stub play a role in generating PIFA structure at a GSM band, thus increasing bandwidth, Two resonances at the GSM band are observed at folded ring and PIFA, respectively.
Keywords
Foleded Ring; PIFA; GSM; DCS; Bluetooth;
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