NDLI: A λ/2 loop antenna for GPS application in mini-laptop

Content Provider	IEEE Xplore Digital Library
Author	Yuan-chih Lin Shun-Yun Lin Hong-Wen Wu Wen-shyng Cheng
Copyright Year	2009
Description	Author affiliation: Radio-Frequency Coomunication Resaerch and Development Center, Cheng Shiu University, Kaohsiung county, Taiwan (Yuan-chih Lin; Shun-Yun Lin; Hong-Wen Wu; Wen-shyng Cheng)
Abstract	The proposed antenna design was suit for GPS ( Global Positioning System ) application in mini-laptop terminal. It was consisted of six elements, including system ground plane, antenna ground plane, clearance area, U-shaped loop strip, shored point, and a 50 ΩRF feeding cable. Due to extending by cable, the proposed antenna can be regarded as an extended antenna. The resonant mechanism was excited by the U-shaped loop strip which total current length is about λ/2 at 1.575 GHz to meet the requirements of the GPS reception. For total thickness, the proposed design has very low profile, less than 10 mm. For related antenna performance, the impedance bandwidth can be reached up to 120 MHz@10 dB which can provide a highly tolerance for assembly and the polarized behavior is also tending toward RHCP which is helpful for GPS signal reception. In addition, the proposed design has a good immunity to resist the detuning by nearby metal devices such as I/O connectors, speaker, and CCD etc. Detailed analysis and explanation will be presented.
Starting Page	1852
Ending Page	1855
File Size	567711
Page Count	4
File Format	PDF
ISBN	9781424428014
DOI	10.1109/APMC.2009.5384174
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-07
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Global Positioning System Antenna feeds Resonance Impedance Bandwidth Assembly Polarization Resists Connectors Charge coupled devices EMC U-shaped loop antenna antenna GPS antenna RHCP
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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