Related Experiment Video
Updated: Nov 7, 2025

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band
Published on: May 2, 2018
CPW-Fed Flexible Ultra-Wideband Antenna for IoT Applications
Sharadindu Gopal Kirtania1, Bachir Adham Younes1, Abdul Rakib Hossain1
1School of Engineering and Computer Science, Washington State University Vancouver, Vancouver, WA 98686, USA.
Abstract:
In this article, an inkjet-printed circular-shaped monopole ultra-wideband (UWB) antenna with an inside-cut feed structure was implemented on a flexible polyethylene terephthalate (PET) substrate. The coplanar waveguide (CPW)-fed antenna was designed using ANSYS high-frequency structural simulator (HFSS), which operates at 3.04-10.70 GHz and 15.18-18 GHz (upper Ku band) with a return loss < -10 dB and a VSWR < 2. The antenna, with the dimensions of 47 mm × 25 mm × 0.135 mm, exhibited omnidirectional radiation characteristics over the entire impedance bandwidth, with an average peak gain of 3.94 dBi. The simulated antenna structure was in good agreement with the experiment's measured results under flat and bending conditions, making it conducive for flexible and wearable Internet of things (IoT) applications.
Related Concept Videos
Standing Electromagnetic Waves
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...
Field Application of Global Positioning System
Maximum Power Transfer
By substituting the entire circuit with...
IR Frequency Region: Fingerprint Region
Electromagnetic Waves
Energy Stored In A Coaxial Cable
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic field inside...

