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A triple-band ground radiation antenna is proposed that can cover the 1575 MHz global positioning system (GPS) band and the 2.45 and 5.5 GHz WLAN bands, within a 6 × 9 mm ground clearance. The proposed triple-band antenna is comprised of two inner rectangular loops, each enclosed by a larger outer loop. Each band can be adjusted for impedance matching by means of respective matching circuits. The...
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