Research Project on Design Simulation and Performance analysis of Slotantenna

Abstract

The necessity of wide-band wireless communications technology is increasing rapidly to support more users and provide information with higher data transmission rates. The most suitable technology that gives high data rate could be Ultra-wide band (UWB) and among various types of antennas, slot antenna is considered for use in UWB applications because of its ease of analysis and fabrication, low cost, light Weight, easy to feed and their attractive radiation characteristics. Although slot antenna has numerous advantages, it has also some drawbacks such as limited bandwidth, and a potential decrease in radiation pattern. Different techniques for bandwidth enhancement of slot antenna are anticipated in this project. By keeping either of length or width, the percentage bandwidth varies. As the percentage Bandwidth increases, the slot width decreases. Similar analysis is also shown in figure 4.2, which indicates that small range of slot length (13cm to 14cm) the percentage Bandwidth is much higher. This result is compared to other research findings. This project shows bandwidth values up to 44% where as other research outcome is 50.2%. The antenna achieved good bandwidth with an overall dimension of 13cm to 14cm with frequency of 1GHz. HFSS Software is used for the simulation and design calculation of slot antenna.