CPW-Fed Multiband Antenna for Various Wireless Communications Applications

The design of a quad-band antenna for the global system for mobile (GSM), wireless area network (WLAN), and worldwide interoperability for microwave access (WiMAX) is presented. The antenna is coplanar waveguide (CPW) fed rectangular monopole loaded with double E-shaped stubs. The multiband monopole antenna is designed and analyzed using computer simulation technology (CST) full wave simulation. For verification of simulation results, the antenna is fabricated with photolithographic technique and measured using vector network analyzer. There is a good agreement between simulated and measured results. The designed antenna operates at the frequency bands from 0.8 to 1.037 GHz for the GSM system, 2.329-2.575 GHz for the IEEE 802.11b&g WLAN systems, 3.459-3.549 GHz for the WiMAX system, and 4.93-5.64 GHz for the IEEE 802.11a WLAN system.

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