English  |  正體中文  |  简体中文  |  Items with full text/Total items : 2737/2828
Visitors : 3517875      Online Users : 34
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Adv. Search
LoginUploadHelpAboutAdminister

Please use this identifier to cite or link to this item: http://ir.lib.stu.edu.tw:80/ir/handle/310903100/2902

Title: 應用於GPS/WLAN頻帶之微小體積天線設計
Small Size Antenna Designs for GPS/WLAN Applications
Authors: 江鳳坤
Fong- kun Jiang
Contributors: 電腦與通訊系碩士班
徐文修
Keywords: 耦合式饋入;調整金屬元件;WiFi;WLAN;GPS
Couple Feed;GPS;WiFi;WLAN;inductance
Date: 2012
Issue Date: 2012-03-22 15:26:51 (UTC+8)
Publisher: 高雄市:[樹德科技大學電腦與通訊系碩士班]
Abstract: 本論文的研究主要為微小體積下之應用系統的天線設計,其中可分為兩個主題;首先為操作於GPS/WiFi的IFAs型式微帶天線設計和應用於GPS/WLAN(2.4/5.2) 之耦合微帶天線設計。其次為一種具有電感元件之多頻帶 (GPS/WiFi/WLAN) 微帶天線,此三種天線涵蓋GPS、WiFi、WLAN等的頻帶規範。
第一種天線設計的方式是以一FR4基版為基礎,上置一尺寸分別為長度20 mm,寬度5.6 mm和高度0.8 mm 的微小體積天線元件,矩形輻射單體利用IFAs型式,在矩形金屬面上形成GPS和WiFi兩條路徑,藉由這個設計特點,可設計出涵蓋GPS、WiFi、WLAN等的頻帶規範。
第二種天線設計方式為上一主題之延伸,此天線是根據上一天線的設計為主。天線輻射面是由一條長度18 mm矩形金屬產生WLAN (5.2) 路徑再耦合至上方激發出一條由1 mm的槽縫分成的外部GPS路徑與內部WLAN(2.4)路徑。
第三種天線設計方式是利用直接饋入及外加電感元件方式,產生2條GPS和 WiFi/WLAN路徑。使操作頻寬足以涵蓋GPS/WiFi/WLAN多頻帶。最後加入一條寬度0.5mm的電感連接至系統接地面,可促使其強迫降頻,讓低頻可操作於GPS頻段。
The study of this paper is design of operating system antenna, There are three kinds of antenna designs to be proposed, first is Low profile microstrip printed IFAs for GPS/WiFi operation in the handset and design of the coupled microstrip antenna for GPS/WLAN(2.4/5.2) operations , the last one is the design of a microstrip antenna to possess inductance multi-band(GPS/WiFi/WLAN) operation , all of three antennas can be covered GPS, WiFi , WLAN band specifications.
The first antenna design is printed on a 0.8-mm thick FR4 substrate and will occupy a small area of about 5.6 x 20 mm2 above the no-ground area of the PCB ground, which is soldering by 4 pins on the no-ground area. The antenna radiation metal used IFAs type comprises of two routes of GPS/WiFi. By using these design features, it can easy to cover GPS, WiFi, WLAN bands.
The second antenna design approach is an extension on a first antenna theme , The antenna radiation metal comprises two routes of different sizes . the first one has a length of 18 mm, which can support a quarter-wavelength mode at about 5200 MHz for WLAN operation the antenna radiation mode has a length of 18 mm, which can support a quarter-wavelength mode at about 5200 MHz for WLAN operation and then coupling feed to upside the rectangular metal excite two radiation mode .The rectangular metal inserts the L-shape slit to separate into two metal routes, one is for GPS band, and the other is for WLAN operation.
The third design is a microstrip antenna to possess inductance. By using the Directly feed and the tuning element, the propose antenna can achieved (GPS, WiFi, WLAN) operation bandwidth.
Appears in Collections:[電腦與通訊系(所)] 博碩士論文

Files in This Item:

File Description SizeFormat
index.html0KbHTML408View/Open
stu-101-s98637118-1.pdf全文1347KbAdobe PDF874View/Open
Null.htm國圖21KbHTML488View/Open


All items in STUAIR are protected by copyright, with all rights reserved.

 


無標題文件

著作權政策宣告:

1.

本網站之數位內容為樹德科技大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,惟仍請適度,合理使用本網站之內容,以尊重著作權人之權益。商業上之利用,則請先取得著作權人之授權。
 
2. 本網站之製作,已盡力防止侵害著作權人之權益,如仍發現本網站之數位內容有侵害著作權人權益情事者,請權利人通知本校護人員(clairhsu@stu.edu.tw),維護人員將立即採取移除該數位著作等補救措施。
 
DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback