Abstract
A highly compact Toyota logo five band antenna loaded with pi and inverted L-shaped slots is proposed. Compactness and the resonance at 3.38 GHz (WiMAX) in the design are achieved by inverted L-shaped slot. Pi-shaped slot controls the resonance at 5.88 (WLAN), 6.68 (Satellite band) and 9.28 GHz (X-band) whereas, the radiating patch (Toyota logo) controls the resonance at 8.24 GHz (X-band). The antenna has dimension of only (0.19λ 0 × 0.19λ 0 × 0.02λ 0 ) (λ 0 is the free space wavelength at 3.88 GHz). Good impedance matching, stable radiation pattern and radiation efficiency greater than 50% are achieved at the targeted frequencies.
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