Synthesis and implementation aspects of linear antenna arrays with shaped radiation pattern for mobile communications

This study presents a technique to design antenna arrays with shaped radiation pattern. The efficiency of the proposed technique is demonstrated for the optimisation of a linear microstrip array for radio base stations of mobile communication systems. The main beam is shaped so as to provide uniform...

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Veröffentlicht in:IET microwaves, antennas & propagation antennas & propagation, 2016-03, Vol.10 (4), p.442-452
Hauptverfasser: Schlosser, Edson R, Heckler, Marcos V.T, Machado, Renato, Tinoco Salazar, Alexis Fabricio
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container_issue 4
container_start_page 442
container_title IET microwaves, antennas & propagation
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creator Schlosser, Edson R
Heckler, Marcos V.T
Machado, Renato
Tinoco Salazar, Alexis Fabricio
description This study presents a technique to design antenna arrays with shaped radiation pattern. The efficiency of the proposed technique is demonstrated for the optimisation of a linear microstrip array for radio base stations of mobile communication systems. The main beam is shaped so as to provide uniform distribution of power inside a sector of a cell and to minimise the power radiated above the horizon. The synthesis of the shaped pattern is achieved by a combination of genetic algorithm and sequential quadratic programming. In contrast to several papers found in the literature that consider only isotropic antennas, the proposed approach takes into account all the radiation properties of small arrays, such as the mutual coupling between the array elements and edge effects. Finally, the design of the feeding system to produce the synthesised pattern is discussed. Measurements are used to validate the proposed technique.
doi_str_mv 10.1049/iet-map.2015.0269
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1751-8733
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subjects Antenna arrays
antenna radiation patterns
Arrays
Beams (radiation)
design antenna arrays
Design engineering
edge effects
Feeding
feeding system
genetic algorithm
genetic algorithms
isotropic antennas
linear antenna arrays
linear microstrip array
mobile communication
mobile communication systems
Mutual coupling
optimisation
quadratic programming
radiation properties
sequential quadratic programming
shaped radiation pattern
Stations
Synthesis
uniform distribution
title Synthesis and implementation aspects of linear antenna arrays with shaped radiation pattern for mobile communications
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