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Synchronization Using Pulse Edge Tracking in Optical Pulse-Position Modulated Communication Systems | IEEE Journals & Magazine | IEEE Xplore

Synchronization Using Pulse Edge Tracking in Optical Pulse-Position Modulated Communication Systems


Abstract:

A pulse-position modulated (PPM) optical communication system using narrow pulses of light for data transmission requires accurate time synchronization between transmitte...Show More

Abstract:

A pulse-position modulated (PPM) optical communication system using narrow pulses of light for data transmission requires accurate time synchronization between transmitter and receiver. The presence of signal energy in the form of optical pulses suggests the use of a pulse edge-tracking method of maintaining the necessary timing. In this report the edge-tracking operation in a binary PPM system is examined, taking into account the quantum nature of the optical transmissions. Consideration is given first to "pure" synchronization using a periodic pulsed intensity, then extended to the case where position modulation is present and auxiliary bit decisioning is needed to aid the tracking operation. Performance analysis is made in terms of timing error and its associated statistics. Timing error variances are shown as a function of system signal-to-noise ratio.
Published in: IEEE Transactions on Communications ( Volume: 22, Issue: 10, October 1974)
Page(s): 1693 - 1702
Date of Publication: 06 January 2003

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