Slot Ultra Wideband (UWB) Antenna

Musfirah , Hilmi (2009) Slot Ultra Wideband (UWB) Antenna. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Since the release by the Federal Communications Commission (FCC) of a bandwidth of 7.5 GHz (from 3.1 GHz to 10.6 GHz) for ultra wideband (UWB) wireless communications, UWB is rapidly advancing as a high data rate wireless communication technology. Due to the requirements of large capacity of data and high speed data transmission rate, UWB technology has become the promising communication system. There are many types of UWB antenna such as dipole, bow-tie, TEM horn, slot UWB antenna, planar antenna and array antenna. This project presents the design of a planar slot UWB antenna. The design is based on the slot UWB antenna by using a planar structure and designed for a frequency of 3.1 GHz to 10.6 GHz. The UWB antenna is achieved by applying parameter analysis in the design process. The slot UWB antenna design is simulated on Computer Simulation Technology (CST) Microwave Studio Software and fabricated on Flame Resistant 4 (FR4) substrate by using chemical etching techniques. The antenna achieved an absolute bandwidth of 7.2GHz with return loss - 25dB. An average gain obtained from simulation is within the range from 2dB to 5.3dB.

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