Title: Key shaped planar UWB monopole antenna with dual band-notch characteristics

Authors: Manish Sharma; Yogendra Kumar Awasthi; Himanshu Singh; Raj Kumar; Sarita Kumari

Addresses: Department of Electronics and Communication Engineering, SGT University, Gurugram, 122505, HR, India ' Antenna Fabrication and Measurement Laboratory, Electronics and Communication Engineering Department, Manav Rachna University, Faridabad, 121001, HR, India ' Department of Electronics, Sri Aurobindo College, University of Delhi, 110017, New Delhi, India ' Department of Electrical and Communication Engineering, The Papua New Guinea University of Technology, Papua New Guinea ' Department of Physics, University of Rajasthan, Jaipur, Rajasthan, India

Abstract: In this paper, dual vertical cross-elliptical radiating elements dual-notched ultra-wideband antenna (UWB) is proposed. The proposed antenna is compact in size (18 × 20 mm2 = 360 mm2) with combination of two ellipse and modified ground plane so as to cover UWB impedance bandwidth. There is a close agreement between the simulated and the measured results like return loss and VSWR of the proposed antenna where measured results also covers impedance UWB bandwidth from 2.84 GHz to 10.83 GHz which validates FCC standard UWB bandwidth from 3.1 GHz to 10.6 GHz. Moreover the two notched bands, i.e., WiMAX (3.30-3.80 GHz) along with C-band (3.80-4.20 GHz) and WLAN-IEEE 802.11a (5.15-5.825 GHz) band stopped so that the interference is eliminated. The proposed antenna is verified by measuring gain and radiation characteristics which exhibits nearly omni-directional pattern in the H-plane and monopole like pattern in E-plane of UWB bandwidth.

Keywords: key shape; ultra wideband; monopole; dual notch; WiMAX; WLAN.

DOI: 10.1504/IJUWBCS.2018.092438

International Journal of Ultra Wideband Communications and Systems, 2018 Vol.3 No.4, pp.225 - 236

Accepted: 29 Sep 2017
Published online: 19 Jun 2018 *

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