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Planar monopole in wrapped structure for low-profile GSM/DCS mobile phone antenna

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3 Author(s)
F. -S. Chang ; Dept. of Electr. Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan ; S. -H. Yeh ; K. -L. Wong

A novel planar monopole consisting of two sub-patches and wrapped into a compact structure with a height of 10 mm for 900 and 1800 MHz operation is presented. The antenna can be mounted on the top portion of a mobile phone housing a small distance (4 mm) from the ground plane, resulting in a low profile of 14 mm (about 4.2% of the wavelength at 900 MHz), and the obtained 10 dB return-loss impedance bandwidths cover the GSM (880-860 MHz) and DCS (1710-1880 MHz) bands

Published in:

Electronics Letters  (Volume:38 ,  Issue: 11 )