NDLI: Effect of Tracking Errors on Performance of Telescope Arrays Receiver for Deep Space Optical Communication

Content Provider	IEEE Xplore Digital Library
Author	Hashmi, A.J. Eftekhar, A.A. Adibi, A. Amoozegar, F.
Copyright Year	2007
Description	Author affiliation: Georgia Inst. of Technol., Atlanta (Hashmi, A.J.; Eftekhar, A.A.; Adibi, A.)
Abstract	On Earth, a large aperture telescope is required to achieve the substantial data rates needed for a deep space optical communication link. However, not only are large telescopes very costly but, it is also very difficult to attain near diffraction limited performance with large apertures. An array of relatively smaller sized telescopes combined to form a larger synthesized aperture is a viable and efficient alternative to a large monolithic telescope. However, the performance of telescope arrays needs to be investigated under certain limiting factors such as turbulence, tracking errors etc. In this paper, we analyze the impact of tracking errors on the performance of telescope arrays. A deep space optical communication link between Mars and a telescope array receiver on earth is simulated. A closed loop tracking system is employed at the receiver end to cater for the random tracking errors. Monte Carlo Simulation results show that, under tracking errors the performance of telescope arrays can reach very close to that of a large monolithic telescope with the same total photon collecting area. Hence, telescope arrays are a cost-effective alternative for deep space optical communication.
Starting Page	1
Ending Page	8
File Size	271432
Page Count	8
File Format	PDF
ISBN	1424405246
ISSN	1095323X
DOI	10.1109/AERO.2007.352930
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical arrays Telescopes Optical receivers Optical fiber communication Apertures Earth Tracking loops Optical diffraction Performance analysis Mars
Content Type	Text
Resource Type	Article
Subject	Aerospace Engineering Space and Planetary Science

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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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