Title :
A Tapered CRLH Interdigital/Stub Leaky-Wave Antenna With Minimized Sidelobe Levels
Author :
Siragusa, Romain ; Perret, Etienne ; Lemaitre-Auger, Pierre ; Van Nguyen, Hien ; Tedjini, Smail ; Caloz, C.
Author_Institution :
Laboratoire de Conception et d´Intégration des Systèmes (LCIS), Valence, France
fDate :
7/4/1905 12:00:00 AM
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;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2012.2222859
