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Title: Wideband CPS-fed dipole antenna
Authors: Tan, Jinghao.
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radio
Issue Date: 2009
Abstract: In recent years, the sudden growth in the wireless communication services has brought about a demand for bandwidth, especially in low cost consumer communication applications. Ultra wide band (UWB) dipole antenna presents a good perspective for these applications. Unlike monopole antennas, dipole antenna does not need a ground plane to radiate. Among these UWB dipole antennas, there is the micropstrip dipole antennas that are frequently used in today’s wireless communication systems because of their low profile, light weight and low production cost, which have been widely researched and developed in the recent twenty years. Nevertheless, there are still several disadvantages of microstrip dipole antennas, with the main concern being its narrow operation bandwidth. Because of this, Coplanar Stripline (CPS) -fed dipole antenna is introduced. The CPS-fed dipole antenna exhibit wider bandwidth as compared to the microstrip dipole antenna, and thus, it is suitable for time domain applications. In this Final Year Project, the student is to explore a wideband CPS-fed dipole antenna in order to directly integrate with other circuit blocks on a coplanar stripline. The student will need to understand the principle of this antenna and to optimally design this antenna by a design software, which is the Advanced Design System (ADS) produced by Agilent EEsof EDA. The target of this antenna is to achieve a S11 Return-Loss Power Value of less than -10 dB within the frequency range of 3.1 GHz to 10.6 GHz. This report will first talk about the theory of the dipole antenna and the coplanar stripline associated with this project. It will then focus on the design methodology, showing step-by-step procedures that had to be performed in the entire antenna design process. Next, the report will show the test results obtained by the student, as well as the analysis made. Finally, the report will end off with a conclusion which talks about the priceless skills and experience that the student has gained during the entire course of this Final Year Project.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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