Vivaldi Antenna Design For WLAN Application

Masmurni , Abdul Rahman (2009) Vivaldi Antenna Design For WLAN Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

	PDF (24 Pages) Vivaldi_Antenna_Design_For_WLAN_Application_Masmurni_Abdul_Rahman_TK7871.6.M37_2009_24.pdf - Submitted Version Download (1MB)
	PDF (Full Text) Vivaldi_Antenna_Design_For_WLAN_Application_Masmurni_Abdul_Rahman_TK7871.6.M37_2009_FULL_TEXT.pdf - Submitted Version Restricted to Registered users only Download (6MB)

Abstract

This project was executed in order to design Vivaldi antenna for WLAN applications at frequency between 2.4GHz-2.4835GHz. The antenna was designed by considering the ideal requirements of a wireless antenna which is lightweight, small in size, low profile and can be used off-ground for the ease of mobility. Vivaldi antenna is a planar travelling wave antenna with endfire radiation which antenna consists of radiating and feed structure. Various types of radiating structure have been discussed included tapered slot Vivaldi antenna, antipodal Vivaldi antenna and balanced antipodal Vivaldi antenna. For the final design, the radiating structure was designed by using exponentially tapered slot whereas the feed structure was designed with stripline circular cavity structure. In the last part of this work, the optimum designs of planar and microstrip were fabricated and measured. The antenna were simulated by using CST Microwave Studio and fabricated on FR4 board. From the simulation and measurement results obtained, both antennas could operate efficiently at the designated frequency with return loss less than -10dB. The gain of planar and microstrip structure are 2.245dB and 2.609dB respectively. In general, bandwidth of planar antenna at the operating frequency is higher than microstrip structure with 2.2287GHz and 77.8MHz respectively.

Actions (login required)

View Item