NASA NTRS · 20090027783
Inter-Symbol Guard Time for Synchronizing Optical PPM
Abstract
An inter-symbol guard time has been proposed as a means of synchronizing the symbol and slot clocks of an optical pulse-position modulation (PPM) receiver with the symbol and slot periods of an incoming optical PPM signal.The proposal is applicable to the low-flux case in which the receiver photodetector operates in a photon-counting mode and the count can include contributions from incidental light sources and dark current.
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Far, William, Gin, Jonathan, Srinivasan, Meera, Quirk, Kevin. 2009-07-01. Inter-Symbol Guard Time for Synchronizing Optical PPM. https://ntrs.nasa.gov/citations/20090027783
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