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Novel Compact Monopole Antenna with a Parasitic Plate for WLAN Applications
The paper proposed and studied a monopole antenna with a parasitic plate for WLAN applications. In this design, microstripline-fed rectangular patch creates a resonant mode at 3 GHz. Furthermore, a parasitic plate is added on the side of ground plane t...
The paper proposed and studied a monopole antenna with a parasitic plate for WLAN applications. In this design, microstripline-fed rectangular patch creates a resonant mode at 3 GHz. Furthermore, a parasitic plate is added on the side of ground plane to generate a dual-band operation of 2.39 to 2.91 GHz and 4.06 to 6.73 GHz. The overall size of the proposed antenna is only 26x40x0.8 mm3 (WsubxLsubxH). The monopole antenna with a parasitic plate is calibrated for WLAN applications, which covers the bands from 2.4 to 2.48, and 5.15 to 5.825 GHz. This antenna has advantages of compact size, simple structure, and good radiation characteristics.
The printed monopole antennas are good candidates for the most radio-frequency systems, because of low cost, low profile and easy to integrate to MMIC. Recently, the dual-band and multi-band antennas have inspired high interest for communication systems. Wireless local area network (WLAN) technology is a wireless communication standard, which is operating range in the lower band of 2.4 to 2.484 GHz (IEEE 802.11b/g) and higher band of 5.15 to 5.825 GHz (IEEE 802.11a). In order to satisfy the WLAN standard, many monopole antennas have been proposed in the literature [1-9]. Such as CPW-fed tapered bent folded monopole antenna . Dual-band Hybrid Antenna is proposed for WLAN application . In [3-5], the microstrip-fed printed monopole antenna. In [6-9], dual-band antenna is proposed using a parasitic plate for WLAN applications. In this paper, we consider the lower-complexity and small antenna size for mobile devices. Compared to [6-9], our antenna can produce satisfactory results of antenna size, impedance bandwidth and simply geometric structure. And further, the dual-band characteristic of the monopole antenna is forming by using a parasitic plate under a rectangular patch. Details of the proposed antenna configuration and experimental results are discussed.
Compact Monopole Antenna for WLAN Applications
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