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International Journal of Antennas and Propagation
Volume 2015, Article ID 303195, 7 pages
Research Article

Design of a Novel UWB Omnidirectional Antenna Using Particle Swarm Optimization

School of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China

Received 23 January 2015; Revised 11 March 2015; Accepted 13 March 2015

Academic Editor: Stefano Selleri

Copyright © 2015 Chengyang Yu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A UWB E-plane omnidirectional microwave antenna is designed and fabricated for IEEE 802.11a communication system and microwave magnetron source system as a radiation monitor. A cooptimization method based on particle swarm optimization (PSO) algorithm and FDTD software is presented. The presented PSO algorithm is useful in many industrial microwave applications, such as microwave magnetron design and other techniques with a high power level. The maximum measured relative bandwidth of 65% is achieved for the proposed antenna after a rapid and efficient optimization. Furthermore, the measured antenna polarization purity reaches about 20 dB at the communication C band. The PSO algorithm is a powerful candidate for microwave passive component design.