Array of antenna arrays

Albannay, Mohammed Masoud (2014) Array of antenna arrays. Masters by Research thesis, Queensland University of Technology.

Abstract

Antenna arrays are groups of antenna elements spaced in a geometrical pattern. By changing the phase excitation of each element, the array is capable of transmitting electromagnetic waves strongly in a chosen direction with little or no radiation in another direction, thus controlling the array's radiation pattern without physically moving any parts. An antenna array of sub-arrays replaces conventional antenna elements with compact circular arrays with potential for improved performance.

This thesis expands on the concept by exploring the development, realisation and operation of an array of subarrays. The overall size of the array essentially remains the same, but the array's performance is improved due to having steerable directive subarrays. The negative effects of strong mutual coupling between closely spaced elements of a subarray are analysed and a number of new solutions for element decoupling are proposed.

Impact and interest:

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Full-text downloads:

279 since deposited on 08 Sep 2014
151 in the past twelve months

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ID Code: 75576
Item Type: QUT Thesis (Masters by Research)
Supervisor: Coetzee, Jacob & Jayalath, Dhammika
Keywords: Antenna arrays, Array feed network, Beam forming, Mutual coupling, Decoupling and matching networks, Passive microwave circuits, Printed circuit board fabrication
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Institution: Queensland University of Technology
Deposited On: 08 Sep 2014 05:35
Last Modified: 03 Sep 2015 06:13

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