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Design of Compact Dual-Band Quadruple Inverted-F/L Antenna for GPS L1/L2 Band

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5 Author(s)
Hyun-Sung Tae ; Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea ; Kyoung-Sub Oh ; Wang-Ik Son ; Won-Gyu Lim
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In this communication, a compact dual-band quadruple inverted-F/L antenna (QIFLA), with right-hand circular polarization (RHCP) for global positioning system (GPS) L1/L2 band, is presented. The proposed antenna is composed of four spiral-shaped dual-band antennas. For good radiation efficiency at two nearby frequencies, a branched dual resonant inverted-F/L structure is employed and analyzed. The size of the proposed dual-band QIFLA is 35 × 35 × 10 mm3 and experimental results show a peak gain of 0.5/2 dBic and the axial ratio under 1.5 dB in the two target frequencies.

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Antennas and Propagation, IEEE Transactions on  (Volume:61 ,  Issue: 4 )