A Compact Rectangular Ultra-Wideband Microstrip Patch Antenna with Double Band Notch Feature at Wi-Max and WLAN
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A Compact Rectangular Ultra‑Wideband Microstrip Patch Antenna with Double Band Notch Feature at Wi‑Max and WLAN Chandraveer Singh1 · Gaurav Kumawat1
© Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract A compact rectangular microstrip-fed Ultra Wideband patch antenna with double band notched feature at Wi-Max and WLAN is offered in this paper. The designed antenna is composed of an ordinary rectangular patch antenna with a partially defective ground structure. For achieving dual notch characteristics a ‘U’ and ‘Reversed U’ slots are embedded in the radiating patch. The partial ground plane structure with U shaped slot in the middle is incorporated for achieving additional resonance and bandwidth enhancement. The proposed antenna has a measurement of 20 × 33 × 1.6 mm3. First notch created by U shaped slot at frequency 3.5 GHz is for Wi-Max (from 2.9 to 4.5 GHz) and Second notch which is generated by Reversed U shaped slots at frequency 5.4 GHz is for WLAN (from 5.49 to 6.45 GHz). The antenna covers almost complete range of Ultra Wideband (3.1–10.6 GHz). The Simulation analysis of the proposed antenna is carried out using CST-2011 simulation software. The radiation pattern of the simulated antenna is near Omnidirectional and the Gain of proposed antenna is almost stable over the range of UWB excluding notch bands. Keywords Microstrip antenna · Band-notch · FR-4 substarte · Ultra wideband · X-Band · WLAN · Wi-Max
1 Introduction Ultra Wideband Wireless Communication has gained remarkable consideration in the last two decades, notably once the Federal Communications Commission has assigned the unlicensed band for commercial applications from 3.1 to 10.6 GHz [1]. As the potential benefits of Ultra Wideband systems like staggeringly low profile, low power utilization, low power spectral density, high radiation power, the fastest data communication rate, low price and wider frequency band; some research has been conducted in each trade, both as an
* Chandraveer Singh [email protected] Gaurav Kumawat [email protected] 1
School of Automation, Banasthali Vidyapith, Rajasthan, India
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industry and as an academic associated with UWB systems. Owing to the easier assimilation with integrated microwave monolithic circuits (MMICs), miniature size and profile, the most commonly used antenna is the printed monopole antenna for ultra-wide applications [2, 3]. The UWB wireless communication band operating at 3.1–10.6 GHz, with very low power emission levels permitted by Federal Communications Commission (FCC) systems, is simply interfered with nearby communication systems such as the 3300–3600 MHz WiMax communication system, the 5150–5820 MHz and 5720–5870 MHz WLAN system, X-band (down link frequency band) between 7250–8400 MHz, Wi-Fi between 5470–5725 MHz and C-band between 3700–4200 MHz. A band stop filter is added to the antenna to avoid the interference of the above-mentioned narrow band communications systems with the existing Ultra wideba
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