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Paper Details

Paper Title
Design and Fabrication of UWB Antenna with Band Notch Property
Abstract
In this paper, a microstrip feed line antenna with defected ground plane for ultra-wide band (UWB) application is presented. Insertion of defected ground plane just beneath the radiating patch, results in UWB characteristics. A big challenge in the design of a UWB antenna is to avoid the interference from narrow band systems like WLAN operating in the environment so that UWB technology can be operated in parallel with other existing systems. To solve this problem the UWB antennas one should have band notching properties for the minimization of the interference from other active environment. DGS affects the current distribution and hence antenna performance parameters, therefore in order to achieve band notching at WLAN frequency, a patch antenna with defected ground structure just beneath the radiating patch is designed using HFSS 13. In this proposed thesis we have designed “U”, “W” and “B” shaped slots whose length and width are varied with reference to DGS to achieve the desired UWB band notch characteristics. Return loss of -25 dB is achieved and smooth VSWR below 2 is achieved throughout the band from 3.1 to 10.6 GHz except for band notch region. Gain of 1 dB to 5 dB over is reported for complete Ultra Wide Band except for WLAN region which is notched. Antenna is fabricated with Roger 4003 material having dielectric constant 3.55 thickness1.524. The thesis contain the simulated results of designed antenna which has overall size of 2x2cm2 and can be used in UWB technology as antenna achieve good result.
Keyword
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Others Details
Paper Id : 40061
Author Name : Monika
Co-Author Name(s) : Promila Singhal
Volume/Issue No : Volume 05 Issue 01
Page No : 172-179
DOI Number : DOI:10.21090/IJAERD.40061
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website : http://www.ijaerd.com/index.php
Impact Factor : 5.71, SJIF-2017
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406