- Volume 20 Issue 6
In this paper, a design method for a compact dual-band slot antenna with bent slot is studied. Bent slots are added on the rectangular slot of the proposed antenna for dual-band operation. The rectangular slot is fed by a coaxial cable by placing a rectangular feeding patch inside the slot. When the bent slots are added onto the both corner of the upper side of the rectangular slot symmetrically, a new resonant frequency is created in low frequency because of the increasement of the slot length. A prototype of the proposed dual-band slot antenna operating at 2.45 GHz WLAN band and 4.50-8.30 GHz band including 5GHz WLAN band is fabricated on an FR4 substrate with a dimension of 30 mm by 30 mm. Experiment results show that the antenna has a desired impedance characteristic with a frequency band of 2.40-2.49 GHz and 4.33-9.85 GHz for an input reflection coefficient < -10 dB.
Slot antenna;Dual-band Antenna;Bent Slot;Wireless Local Area Network(WLAN);Compact Antenna
- R. Waterhouse, Printed antennas for wireless communications. Chichester, U.K.: Wiley, 2007.
- J. Chen, "Dual-frequency slot antennas fed by capacitively coplanar waveguide", Microw. Opt. Technol. Lett., vol. 32, no. 6, pp. 452-453, Mar. 2002. https://doi.org/10.1002/mop.10207
- D. Llorens, P. Otero, and C. Camacho-Penalosa, "Dual-band, single CPW port, plane-slot antenna," IEEE Trans. Antennas Propag., vol. 51, no. 1, pp. 137-139, Jan. 2003. https://doi.org/10.1109/TAP.2003.809105
- A. A. Omar, M. C. Scardelletti, Z. M. Hejazi, and N. Dib, "Design and measurement of self-matched dual frequency coplanar waveguide fed slot antennas," IEEE Trans. Antennas Propag., vol. 55, no. 1, pp. 223-226, Jan. 2007. https://doi.org/10.1109/TAP.2006.888475
- A. A. Gheethan and D. E. Anagnostou, "Broadband and dual-band coplanar folded-slot antennas (CFSAs)," IEEE Antennas Propag. Mag., vol. 53, no. 1, pp. 80-89, Feb. 2011. https://doi.org/10.1109/MAP.2011.5773572
- J.-I. Lee and J. Yeo, "Compact bent slot antenna for 2.45 GHz band," Electron. Lett., vol. 48, no. 8, pp. 420-422, Apr. 2012. https://doi.org/10.1049/el.2012.0486
- J.-I. Lee, "Compact Slot Antenna for 5.8 GHz RFID," J. Korea Inst. Inf. Commun. Eng., vol. 17, no. 12, pp. 763-768, Dec. 2013.
Supported by : Dong Yang University