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This paper designs a small and triple-band printed monopole antenna for wireless local area network (WLAN) and worldwide interoperability for microwave access (WiMAX). The proposed antenna by working in different frequency bands of monopole antenna adds together and consists of two L-shaped patch and a semicircle patch on the front side of the substrate and an irregular rectangular patch on the back...
A novel planar monopole antenna for UHF communication, based on rectangular planar monopole, is proposed in this paper. By using some methods of the miniaturization technology and introduction of the couple element, the current distribution of the proposed antenna is improved, impedance bandwidth significantly is broadened and the size of the antenna is decreased. The size of the planar antenna is...
A compact printed ultrawideband (UWB) monopole antenna with dual band-notched characteristics is presented. The antenna design adopts a circular patch as the radiating element, a microstrip embedded with a U-shaped slot as the feedline and a defected ground structure (DGS) with a pair of L-shaped slots as the ground plane. The proposed antenna has been successfully simulated, fabricated, and measured...
Patch antennas usually involve a ground plane much larger than the radiating element. To make a patch antenna compact, it is significant to reduce the size of the large ground plane. In this paper, a compact multi-folded patch antenna with a substantially small ground plane for UWB (ultra wideband) application at the UHF (ultrahigh frequency) band is presented. The proposed antenna is derived from...
A novel compact broadband V-shaped monopole antenna for UHF application is presented in this paper. The antenna evolves from the principles of bended L monopole and meander antenna. With the introduction of a shorting strip, the size of the antenna is just 48.7 mm × 40 mm × 60 mm (about 0.14λ × 0.12λ × 0.17λ, λ is the wavelength relative to the lower edge frequency 880MHz). It covers GSM-900 (Global...
A new compact box-shaped antenna based on suspended patch structure, suited for repeater antenna, is proposed in this paper. By employing two shorting plates, the overall antenna size is only about 0.27λ0 × 0.21λ0 × 0.035λ0 (λ0 is the wavelength corresponding to the lower edge 808MHz). With the aid of the fork-shaped feeding strip, bandwidth enhancement is achieved. A 28.8% simulated impedance bandwidth,...
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