NDLI: Multipath mitigation in high precision GPS systems using Artificial Magnetic Conductors

Content Provider	IEEE Xplore Digital Library
Author	Khaleel, H.R. Al-Rizzo, H. Isaac, A. Bihnam, A.
Copyright Year	2014
Description	Author affiliation: Dept. of Syst. Eng., Univ. of Arkansas at Little Rock, Little Rock, AR, USA (Al-Rizzo, H.; Isaac, A.; Bihnam, A.) \|\| Dept. of Eng. Sci., Sonoma State Univ., Rohnert Park, CA, USA (Khaleel, H.R.)
Abstract	A low profile circularly polarized antenna based on Artificial Magnetic Conductor (AMC) ground plane is presented in this paper. The AMC ground plane is utilized to reduce the effects of multipath by blocking the propagation of surface waves. Hence, the proposed antenna is suitable for high precision GPS systems which require sub centimeter level of precision. Typically, choke ring antennas are used to efficiently reduce the effects of multipath interference. However, they are bulky, heavy and expensive. The antenna presented here consists of a microstrip antenna resonating at the L1 band (1.575 GHz) based on an 8×8 unit cells AMC structure; the result is an antenna showing good multipath rejection and a low axial ratio over a wide angular range. The advantage of the integrated AMC ground plane is the low cost of manufacturing, light weight, and a relatively low profile solution.
Sponsorship	IEEE Antennas & Propag. Soc.
Starting Page	432
Ending Page	433
File Size	377332
Page Count	2
File Format	PDF
ISBN	9781479935383
ISSN	15223965
e-ISBN	9781479935406
DOI	10.1109/APS.2014.6904548
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Global Positioning System Microstrip antennas Reflection Periodic structures Metamaterials
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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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