NDLI: Step tracking algorithm based on finite difference stochastic approximation for SATCOM on-the-move

Content Provider	IEEE Xplore Digital Library
Author	Weimin Jia Luyao Hao Kai Du
Copyright Year	2011
Description	Author affiliation: Xi'an research institute of high technology, China (Weimin Jia; Luyao Hao) \|\| Beijing research institute of high technology, China (Kai Du)
Abstract	In order to improve the tracking performance of SOTM, an improved step tracking algorithm based on finite difference stochastic approximation was proposed by employing the idea of parameter optimization after analyzing the system characteristics of SOTM. The main idea for this improved step tracking algorithm is to use finite difference to approximate the gradient which is near the optimal value for antenna beam adjusting, and adjust the antenna beam according to stochastic approximation. Only noisy measurements of the received signal strength were used in this process. The antenna beam can be steered to track the target satellite in azimuth plane and elevation plane in the direction of steepest ascent of received signal by using the novel step tracking algorithm. Computer simulation results show not only the effectiveness of the proposed algorithm, but also higher precision can be achieved by the proposed step tracking algorithm.
Starting Page	2632
Ending Page	2635
File Size	367470
Page Count	4
File Format	PDF
ISBN	9781424480364
e-ISBN	9781424480395
DOI	10.1109/ICEICE.2011.5778301
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Satellite antennas Satellites Target tracking Gradient Step tracking Receiving antennas Finite difference stochastic approximation (FDSA) Approximation algorithms Satcom-On-The-Move (SOTM)
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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