International Research Journal of Engineering and Technology (IRJET) Volume: 10 Issue: 08 | Aug 2023
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e-ISSN: 2395-0056 p-ISSN: 2395-0072
DESIGN OF UWB MONOPOLE BASED FRACTAL BINARY TREE ANTENNA FOR WIRELESS COMMUNICATION DEVICES P. ROHIT1, K. ANITHA2, DR. M. SATYANARAYANA3 1Research Scholar, Department of Electronics & Communication Engineering,Kalinga Institute of Industrial
Technology (KIIT) University, Bhubaneswar, India
2Assistant Professor, Department of Electronics & Communication Engineering, Avanthi St.Theressa College
of Engineering, JNTU Vizianagaram, Garividi, India
3Professor, Department of Electronics & Communication Engineering, MVGR College of Engineering
Autonomous, Vizianagaram, India -------------------------------------------------------------------------***-----------------------------------------------------------------------Due of this, systems for ultra-wideband (UWB) Abstract—Due to two primary considerations, Ultra-
communications, which operate between 3.1 and 10.6 GHz and were approved by the FCC in 2002, are now being developed. Different wideband antennas have been investigated for communications and radar systems for a long time. Wideband antenna design is a challenging undertaking, particularly for hand-held terminals where a balance between simplicity, cost, and size must be struck. One of the main challenges in UWB communication systems is designing a small antenna that can nevertheless provide wideband characteristics across the whole working spectrum. Wideband monopole configurations in the shapes of circles, squares, ellipses, pentagons, and hexagons have all been suggested for use in ultra wideband (UWB) applications due to their appealing characteristics of wide bandwidth, simplicity of structure, unidirectional radiation pattern, and ease of construction. However, because they lack planar structures, they cannot be integrated with printed circuit boards. The low profile, cheap cost, and light weight of a microstrip-fed monopole antenna make it an appealing candidate for integration with a hand-held terminal.
Wideband (UWB) Antennas are becoming more and more popular and desirable in current and next wireless communications systems. First off, the demand for wireless transmission rates is rising, and UWB features like fast data rates, low power consumption, and low cost are giving UWB antennas a tremendous push. Second, as more and more wireless transmission functionalities and operating bands are required by portable wireless devices, designing antennas may become more difficult due to issues such antenna size constraints and multi-antenna interference, among other things. Multi-narrow-band antennas can be replaced by UWB antennas, potentially reducing the overall number of antennas. A Compact Dual Microstrip-Fed UWB Monopole Antenna with a Parasitic Patch is designed and simulated over HFSS in this proposed work, and the simulation results are presented and discussed in comparison with the results that were actually obtained in order to verify and support the results generated by simulation. In order to attain a passband frequency of 2.45 GHz for Bluetooth application without sacrificing the UWB antenna efficiency, a fractal binary tree is introduced. Over the specified frequency band, the suggested antenna exhibits a consistent radiation pattern with group delay fluctuation of less than 1 ns. The gain varies for the Bluetooth band from 1-1.5 dB and for the UWB application from 2.5–6 dB. According to the results, the antenna performed well in terms of gain, bandwidth, VSWR, return loss, radiation patterns, and other criteria. The antenna's operating frequency of 9.21 GHz makes it a strong contender for systems that combine Bluetooth and UWB. In order for the antenna to be used in real-time applications, the VSWR must be less than 2 and the return loss must be less than -10 dB at this frequency.
Index Terms—UWB Technology, Monopole Antenna, Wireless Communication, Bluetooth, fractal
Figure 1: UWB communications' Broad Frequency range
I. INTRODUCTION
Numerous alternatives have been put up as the demand for high-data-rate wireless communication grows more critical. The benefits of ultra-wide band (UWB) radio over other candidate technologies include greater data rates, good immunity to multi-path cancellation, a potential boost in operational security for
Wireless communication devices are getting more and more common these days. To meet the greater resolution and data rate needs, wireless communication technologies must be further developed.
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