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Proceedings Paper

Signal-To-Noise Ratio Improvement Of Analog Pulse-Position Modulation Over Analog Intensity Modulation In Optical Communication Links
Author(s): C. R. Patisaul
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Paper Abstract

This paper presents a comparison of the performance of optical communication links employing analog pulse-position modulation and analog intensity modulation. In particular, the theoretical output signal-to-noise ratios for the two types of modulation are compared assuming "equivalent" optical links. Analog pulse-position modulation offers signal-to-noise ratio improvement over intensity modulation at the expense of increased system complexity and expanded transmission band-width. The effect of timing errors on the signal-to-noise ratio of the pulse-position modulation receiver is considered, and it is shown that these errors can degrade performance significantly from theoretical .

Paper Details

Date Published: 6 November 1975
PDF: 7 pages
Proc. SPIE 0063, Guided Optical Communications, (6 November 1975); doi: 10.1117/12.954474
Show Author Affiliations
C. R. Patisaul, Harris Corporation (United States)


Published in SPIE Proceedings Vol. 0063:
Guided Optical Communications
Frank L. Thiel, Editor(s)

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