National Changhua University of Education Institutional Repository : Item 987654321/10283

English | 正體中文 | 简体中文 | Items with full text/Total items : 6507/11669
Visitors : 30021461 Online Users : 362

RC Version 3.2 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.

Scope Adv. Search

Login ‧ Upload ‧ Help ‧ About ‧ Administer

NCUEIR > College of Engineering > eedept > Periodical Articles > Item 987654321/10283

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10283

Title:	Reconfigured Slot-Ring Antenna for 2.4/5.2 GHz Dual-Band WLAN Operations
Authors:	Ho, Min-Hua;Chen, G.-L.
Contributors:	電子工程學系
Date:	2007-06
Issue Date:	2012-05-22T06:26:42Z
Abstract:	A reconfigured slot-ring antenna fed by a coplanar waveguide (CPW) is proposed for the wireless local area network dual-band applications at 2.4 and 5.2 GHz bands. The slot-ring antenna together with its feeding structure has preserved a uniplanar configuration. The slot-ring is directly connected to a feeding CPW. The slot-ring’s first and third resonant modes provide antenna’s passband. The antenna’s spurious modes are suppressed by adding to the slot-ring four metal strips at proper positions. An additional short-circuited CPW is stretched out from the end of the CPW feed, entering into the central circular patch of slot-ring to improve the impedance matching at 5.2 GHz frequency band. A pair of shunt slot tuning stubs, which are placed at the inner edge of the slot-ring, are used to tune the antenna’s third resonant frequency to 5.2 GHz. This antenna has achieved fractional bandwidths of 7.5 and 10.4% at 2.4 and 5.2 GHz frequency bands, respectively. The return losses obtained are 230.56 dB at 2.4 GHz and 241.71 dB at 5.2 GHz. Details of the antenna designs and experimental results are presented and discussed.
Relation:	IET Microw. Antennas Propagat., 1(3): 712-717
Appears in Collections:	[eedept] Periodical Articles

Files in This Item:

File	Size	Format
index.html	0Kb	HTML	597	View/Open