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A Tapered CRLH Interdigital/Stub Leaky-Wave Antenna With Minimized Sidelobe Levels

Romain Siragusa 1 Etienne Perret 1 Pierre Lemaitre-Auger 1 Hoang Van Nguyen 2 Smail Tedjini 1 Christophe Caloz 2 
1 LCIS - Laboratoire de Conception et d'Intégration des Systèmes
2 EPM - École Polytechnique de Montréal
Abstract : A nonuniform (NU) tapered composite right/left-handed (CRLH) leaky-wave antenna (LWA) with minimized sidelobe level (SLL) is proposed. The design of this antenna is performed using an automated cosimulation approach based on a genetic algorithm optimization. Fair agreement is found between the full-wave and the experimental results. The experimental results show an 8-dB SLL reduction compared to a uniform CRLH LWA with the same gain in a 12-unit-cell structure.
Keywords : Antenna measurements Antenna radiation patterns Distributed parameter circuits Genetic algorithms Leaky wave antennas Optimization Composite right/left-handed (CRLH) structures leaky-wave antennas (LWAs) nonuniform (NU) transmission lines
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https://hal.inria.fr/hal-01023138
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Submitted on : Friday, July 11, 2014 - 3:12:48 PM
Last modification on : Friday, November 6, 2020 - 4:37:53 AM

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Romain Siragusa, Etienne Perret, Pierre Lemaitre-Auger, Hoang Van Nguyen, Smail Tedjini, et al.. A Tapered CRLH Interdigital/Stub Leaky-Wave Antenna With Minimized Sidelobe Levels. IEEE Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers, 2012, 11, pp.1214-1217. ⟨10.1109/lawp.2012.2222859⟩. ⟨hal-01023138⟩

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