Design of thinned concentric circular antenna arrays using firefly algorithm

Firefly algorithm (FA) is a nature inspired computing algorithm based on the behaviour of fireflies. It is a kind of stochastic meta-heuristic algorithm that can be used for various engineering optimisation problems. This study presents application of FA for the design of thinned multiple concentric...

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Published inIET microwaves, antennas & propagation Vol. 8; no. 12; pp. 894 - 900
Main Authors Singh, Urvinder, Rattan, Munish
Format Journal Article
LanguageEnglish
Published Stevenage The Institution of Engineering and Technology 01.09.2014
The Institution of Engineering & Technology
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ISSN1751-8725
1751-8733
DOI10.1049/iet-map.2013.0695

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Abstract Firefly algorithm (FA) is a nature inspired computing algorithm based on the behaviour of fireflies. It is a kind of stochastic meta-heuristic algorithm that can be used for various engineering optimisation problems. This study presents application of FA for the design of thinned multiple concentric circular antenna arrays. The aim is to achieve an array of uniformly excited isotropic elements that will generate a pencil beam pattern in the vertical plane with minimum side lobe level (SLL). Two different cases have been considered in this study for thinning of concentric circular (ring) arrays using FA. The first case is with uniform inter-element spacing fixed at 0.5λ or its multiple and the second case with optimum inter-element spacing or its multiple. The thinning percentage of the array is kept equal to or more than 50% and the beamwidth is kept equal to or less than that of a fully populated, uniformly excited and 0.5λ spaced ring array of same number of elements and rings. The results obtained are compared with previous published results, which show the effectiveness of this approach.
AbstractList Firefly algorithm (FA) is a nature inspired computing algorithm, based on the behaviour of fireflies. It is a kind of stochastic meta-heuristic algorithm that can be used for various engineering optimisation problems. This study presents application of FA for the design of thinned multiple concentric circular antenna arrays. The aim is to achieve an array of uniformly excited isotropic elements that will generate a pencil beam pattern in the vertical plane with minimum side lobe level. Two different cases have been considered in this study for thinning of concentric circular (ring) arrays using FA. The thinning percentage of the array is kept equal to or more than 50% and the beamwidth is kept equal to or less than that of a fully populated, uniformly excited and 0.5 lambda spaced ring array of same number of elements and rings. The results obtained are compared with previous published results, which show the effectiveness of this approach.
Firefly algorithm (FA) is a nature inspired computing algorithm, based on the behaviour of fireflies. It is a kind of stochastic meta-heuristic algorithm that can be used for various engineering optimisation problems. This study presents application of FA for the design of thinned multiple concentric circular antenna arrays. The aim is to achieve an array of uniformly excited isotropic elements that will generate a pencil beam pattern in the vertical plane with minimum side lobe level. Two different cases have been considered in this study for thinning of concentric circular (ring) arrays using FA. The thinning percentage of the array is kept equal to or more than 50% and the beamwidth is kept equal to or less than that of a fully populated, uniformly excited and 0.5λ spaced ring array of same number of elements and rings. The results obtained are compared with previous published results, which show the effectiveness of this approach.
Firefly algorithm (FA) is a nature inspired computing algorithm based on the behaviour of fireflies. It is a kind of stochastic meta‐heuristic algorithm that can be used for various engineering optimisation problems. This study presents application of FA for the design of thinned multiple concentric circular antenna arrays. The aim is to achieve an array of uniformly excited isotropic elements that will generate a pencil beam pattern in the vertical plane with minimum side lobe level (SLL). Two different cases have been considered in this study for thinning of concentric circular (ring) arrays using FA. The first case is with uniform inter‐element spacing fixed at 0.5λ or its multiple and the second case with optimum inter‐element spacing or its multiple. The thinning percentage of the array is kept equal to or more than 50% and the beamwidth is kept equal to or less than that of a fully populated, uniformly excited and 0.5λ spaced ring array of same number of elements and rings. The results obtained are compared with previous published results, which show the effectiveness of this approach.
Author Singh, Urvinder
Rattan, Munish
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Issue 12
Keywords stochastic meta-heuristic algorithm
stochastic programming
minimum side lobe level
uniform inter-element spacing
engineering optimisation problems
SLL
heuristic programming
pencil beam pattern
antenna arrays
uniformly excited isotropic element array
vertical plane
firefly algorithm
FA
thinned multiple concentric circular antenna array design
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Snippet Firefly algorithm (FA) is a nature inspired computing algorithm based on the behaviour of fireflies. It is a kind of stochastic meta-heuristic algorithm that...
Firefly algorithm (FA) is a nature inspired computing algorithm based on the behaviour of fireflies. It is a kind of stochastic meta‐heuristic algorithm that...
Firefly algorithm (FA) is a nature inspired computing algorithm, based on the behaviour of fireflies. It is a kind of stochastic meta-heuristic algorithm that...
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StartPage 894
SubjectTerms Algorithms
Antenna arrays
Arrays
Circularity
engineering optimisation problems
Excitation
firefly algorithm
Heuristic methods
heuristic programming
minimum side lobe level
pencil beam pattern
Pencil beams
SLL
stochastic meta‐heuristic algorithm
stochastic programming
thinned multiple concentric circular antenna array design
Thinning
uniform inter‐element spacing
uniformly excited isotropic element array
vertical plane
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Title Design of thinned concentric circular antenna arrays using firefly algorithm
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