Abstract
Smaller designs of antenna usually implemented on Wi-Fi modules or navigation system devices which requires smaller bandwidth such as Planar Antenna. There are some antenna application requires bent antenna such as wearable UWB antenna but the substrate used will have some defects after bending and crumpling from time to time. What if the planar antenna is designed that it can be bent and the bending affects the impedance matching and shift in resonant frequency? So, this research aims to achieve the limitation of the planar antenna to be bent at certain angle and given frequency range (1-8 GHz). The planar antenna is designed in the Computer Simulation Technology (CST) Software and the proposed antenna is then bend in the simulation software. The analysis of comparative evaluation for both planar and bent antenna is carried out on different characteristics such as evaluation between S-Parameters & Frequency and evaluation between Voltage Standing Wavelength Ratio (VSWR) & Frequency. The behaviour of radiation pattern for both antennas can also be obtained in the CST simulation.
Highlights
Antenna has been widely used in various form of communication in different applications from machine to machine
The frequencies of the Planar antenna can reach as high as 77 GHz which can be performed in automotive sensing devices
The paper is focused on the limitation of planar antenna performances when the antenna design is bent at certain degrees at given frequency range (1-8 GHz)
Summary
Antenna has been widely used in various form of communication in different applications from machine to machine. The application that requires the usage of antenna includes, radio broadcast, navigation systems, satellite communication, remote sensing in defence radar or medical scanning device as well. Planar antennas are commonly used in sensing device due to low cost and simple implementation with other system. The frequencies of the Planar antenna can reach as high as 77 GHz which can be performed in automotive sensing devices. Typical antennas that people had worked on usually control by the different bandwidth and return loss of the signal during the receiving of the signal. The bent antennas mostly are the solutions to some application as they are suitable to be implemented onto structures or objects that are not in planar form. Some cases where the substrate material is applied on the antenna with better parameters, allows the antenna to operate properly with better efficiency even though the antenna is bent [2]
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