Planar UWB monopole antenna optimization to enhance time-domain characteristics using PSO

被引：7

作者：

Chamaani, Somayyeh ^{[1
]}

Mirtaheri, Seyed Abdullah ^{[1
]}

机构：

[1] KN Toosi Univ Technol, Fac Elect Engn, Tehran, Iran

来源：

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2010年 / 64卷 / 04期

关键词：

Correlation factor; Particle swarm optimization; Planar monopole antenna; Time-domain radiation pattern; Ultrawideband antenna;

D O I：

10.1016/j.aeue.2008.11.017

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A planar monopole antenna with microstrip feed line for ultrawideband (UWB) applications is optimized to reduce two parameters: return loss and dispersion. The optimization is accomplished with a modified version of local-best particle swarm optimization (MLPSO). The resulting antenna shows a good matching in the desired frequency band. The transient characteristics of optimized antenna are compared with a prototype circular disk monopole antenna. The results show that the former antenna presents a higher value for the fidelity factor and very small variations in phase and amplitude of its transfer function, suitable for low-distortion impulse radio communications. Various time-domain patterns are presented to show the performance of antenna. (C) 2008 Elsevier GmbH. All rights reserved.

引用

页码：351 / 359

页数：9

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