A Dual-band Planar Antenna for Wireless Local Area Network Applications
Keywords:Dual-band, IEEE 802.11, Planar square monopole antenna, Rhombic monopole antenna, Wireless local area network planar antennas
Wireless local area network (WLAN) communication is one of the fast and secure wireless technologies, which is vastly used in nowadays portable and handheld devices. This paper is oriented on designing of a planar WLAN antenna to serve in WLAN network devices. The designed antennas are single and dual-band planar monopole antennas to be working at IEEE 802.11 WLAN frequencies; 2.45 GHz and 5.2/5.8 GHz bands. Different configurations have been used in the design process, especially for the dual-band antenna, where dual-resonant is required. The antennas have been designed analytically then simulated using the CST software package. Simulation results for the input reflection coefficient, realized gain, and radiation pattern have been considered to evaluate their features. The antennas have also been fabricated practically and practical measurements for the input reflection coefficient and radiation pattern have been taken which shown a good agreement with those of simulation.
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