Dual Port Antenna With Single Radiator Element

Harmali, Mohd Elfi Ezzry (2016) Dual Port Antenna With Single Radiator Element. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text Dual Port Antenna With Single Radiator Element 24 Pages.pdf - Submitted Version Download (198kB)

Abstract

Evolution in wireless communication technology has led to the demands for faster transmission and receiving of information within the network application. Increase in channel capacity is a method to provide reliable and high speed communication. In this regard, the dual port antenna design is being considered for better performance in term of speed and reliability. In this paper, a design of dual port monopole-slot-like microstrip antenna with single radiator element is presented and discussed. The main objective of this project is to design, simulate and fabricate the dual port antenna with single radiator element The primary designed antenna are able to cover WLAN band at 5.15-5.35 GHz. The antenna design consists of simple rectangular radiating patch, two microstrip feed lines which are connected orthogonally to the radiating patch, and a L-shaped defected ground plane. In addition, a coupling sleeve-arm and inverted T-shaped slot are utilized on the ground plane of antenna each under one of the corresponding feed lines with aimed to provide isolation between two ports. Performance of the proposed design is verified by the simulation and measured results including s-parameters, surface current distribution and gain. The simulation and measurement result show that the designed antenna have proper radiation characteristics at the desired operation frequencies. The fabricated antenna is capable of supporting frequency band of 4.7-5.4 GHz and 4.9-5.9 GHz with gain more than 2 dB and return loss less than -10 dB.

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