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Design of Double Notch Band Half-Elliptical Shape Reconfigurable Antenna for UWB Applications | ||
| Engineering and Technology Journal | ||
| Article 2, Volume 37, 3A, 2019, Pages 85-89 PDF (829.88 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.30684/etj.37.3A.2 | ||
| Authors | ||
| Haydar M. Al-Tamimi1; Salah M. O.2 | ||
| 1Communication Engineering Department, University of Technology, Baghdad - Iraq | ||
| 2Medical Instrument Technique Engineering Department, AL Hussain University College, Karbala - Iraq | ||
| Abstract | ||
| A compact ultra-wideband (UWB) reconfigurable antenna with dual band-notched properties is presented in this paper. The dual notch band half – elliptical reconfigurable antenna is fed by (50 Ω) microstrip feed lines and it is printed above an FR-4 substrates (32 × 32.6) mm2 dimensions. This dual band notched characteristic is accomplished by embedding two crossing U-shaped slot in the half-elliptical radiating patch of the proposed reconfigurable antenna. The modeling procedure and performance evaluation of the presented antenna was achieved by using the electromagnetic simulator software, (CST) Computer Simulation Technology. The measured bandwidth of the presented antenna for (VSWR < 2) spans 2.6 GHz to 12 GHz, which covers the entire UWB band of 3.1 GHz to 10.6 GHz, with a controlling dual notched band (VSWR > 2) in 3.5 GHz and 5.2 GHz. The presented antenna is appropriate for UWB applications with another benefits of reduces the interference effect with the wireless local area network (WLAN) systems that operating in 5.15–5.35 GHz band (IEEE 802.11a), as well as reducing the interference effect with the Worldwide Interoperability for Microwave Access (WiMAX) application, which operates in 3.5 GHz band (IEEE 802.16e). The parameters that affect the efficiency of the antenna as regards to its frequency domain and radiation pattern qualities are studied. | ||
| Keywords | ||
| reconfigurable antenna; Notch Band; UWB | ||
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