A noise-gated PLL for clock recovery in a free-space laser communication system
Name
826502762-MIT.pdf
Description
Full printable version
Size
5.4 MB
Format
Adobe PDF
Checksum (MD5)
19c1f91ba928c3b33c2dcf4d1a93a847
Author(s)
Lund, Gavin
Advisor(s)
James K. Roberge and Robert J. Murphy.
Alternative Title
Noise-gated phase-locked loop for clock recovery in a free-space laser communication system
Date Issued
2012
Publisher
Massachusetts Institute of Technology
Abstract
In this thesis, I developed a phase-locked loop system for data clock recovery in a free-space laser communication application. The clock recovery unit is designed to operate at extremely low optical received power, tolerate a fading channel, and also account for Doppler effects. I explored the feasibility of adding a noise-gating system to the clock recovery unit in order to improve link margin in low-data-rate scenarios. I measured key system performance metrics, such as bandwidth, rejection, lock range and phase noise, and tested system integration with the existing optical communications testbed.
Description
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 67).
Subjects
Electrical Engineering and Computer Science.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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copyright. They may be viewed from this source for any purpose, but
reproduction or distribution in any format is prohibited without written
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