Optimization of band-notched UWB antenna using micro-genetic algorithm combined with FDTD  

作　　者：杨雪霞 盛洁 

机构地区：[1]School of Communication and Information Engineering,Shanghai University

出　　处：《Journal of Shanghai University(English Edition)》2009年第5期375-378,共4页上海大学学报（英文版）

基　　金：supported by the Shanghai Leading Academic Discipline Project (Grant No.S30108)

摘　　要：The micro-genetic algorithm (MGA) optimization combined with the finite-difference time-domain (FDTD) method is applied to design a band-notched ultra wide-band (UWB) antenna. A U-type slot on a stepped U-type UWB monopole is used to obtain the band-notched characteristic for 5 GHz wireless local area network (WLAN) band. The measured results show that voltage standing wave ration (VSWR) less than 2 covers 3.1-10.6 GHz operating band and VSWR more than 2 is within 5.150-5.825 GHz notched one with the highest value of 5.6. Agreement among the calculated, HFSS simulated and measured results validates the effiectiveness of this MGA-FDTD method, which is efficient for UWB antennas design.The micro-genetic algorithm (MGA) optimization combined with the finite-difference time-domain (FDTD) method is applied to design a band-notched ultra wide-band (UWB) antenna. A U-type slot on a stepped U-type UWB monopole is used to obtain the band-notched characteristic for 5 GHz wireless local area network (WLAN) band. The measured results show that voltage standing wave ration (VSWR) less than 2 covers 3.1-10.6 GHz operating band and VSWR more than 2 is within 5.150-5.825 GHz notched one with the highest value of 5.6. Agreement among the calculated, HFSS simulated and measured results validates the effiectiveness of this MGA-FDTD method, which is efficient for UWB antennas design.

关 键 词：finite-difference time-domain (FDTD) micro-genetic algorithm (MGA) ultra wide-band (UWB) antennas MONOPOLE band-notched antennas 

分 类 号：TN822.8[电子电信—信息与通信工程]