A compact modified triangular CPW‐fed antenna with multioctave bandwidth

Abstract

This article presents the results of a compact modified triangular CPW‐fed antenna that exhibits multioctave performance. This modification significantly improves the antenna's impedance bandwidth by 198% over an ultra‐wideband (UWB) frequency range from 3.06 to 35 GHz. The return‐loss (S11) performance over this frequency range is designed to be better than −10 dB. These characteristics make the proposed antenna an excellent candidate for numerous UWB applications and next generation communication systems. The key physical parameters affecting the antenna's frequency characteristics have also been investigated to determine optimum antenna performance. The antenna's measured return loss and E‐plane and H‐plane radiation patterns show a very good correlation with the requirements of UWB applications. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:69–72, 2015

Design of CPW Antenna for Future Wireless Application

“…The narrow bandwidth [12] is used for wireless application. The slits loaded in the ground plane offers better impedance matching [2]. The ELC provides negative permeability characteristics due to its stop band behavior.…”

A small CPW‐fed UWB antenna with dual band‐notched charectrestics using two stepped impedance resonators

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“…The Federal communication commission (FCC) allocated the frequency band 3.1–10.6 GHz for commercial UWB systems in 2002 . Despite the approval of the FCC for the UWB to operate 3.1–10.6 GHz, it may be necessary to avoid potential interferences with other existing communication systems, such as Worldwide Interoperability for the Microwave Access (WiMAX) operating at 3.3–3.6 GHz; Wireless Local Area Network (WLAN) is operated at 5.15–5.825 GHz . Therefore, UWB antenna with notched characteristics at these frequency bands is required.…”

“…Therefore, UWB antenna with notched characteristics at these frequency bands is required. The conventional methods are cutting a slot (U‐shaped, arc shaped, T‐shaped slot) on the patch . Inserting a slit on the patch , another way is putting parasitic elements as filters to reject the electromagnetic interference (EMI).…”

A Small Quad-Band Monopole Antenna with Folded Strip Lines for WiMAX/WLAN and ITU Applications

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