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    Replacing Unencoded PCM/PSK with Convolutional Encoded PCM/PSK

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    Author
    LoCasale, Thomas M.
    Affiliation
    AYDIN MONITOR Systems
    Issue Date
    1975-10
    
    Metadata
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    Rights
    Copyright © International Foundation for Telemetering
    Collection Information
    Proceedings from the International Telemetering Conference are made available by the International Foundation for Telemetering and the University of Arizona Libraries. Visit http://www.telemetry.org/index.php/contact-us if you have questions about items in this collection.
    Publisher
    International Foundation for Telemetering
    Journal
    International Telemetering Conference Proceedings
    Abstract
    Rate 1/2 constraint length 7 convolutionally encoded PCM/QPSK techniques offer significant Bit Error Probability versus Signal to Noise Performance improvements compared to unencoded PCM/BPSK and yet require no increase in system bandwidth and little increase in hardware cost. This applications oriented paper explains the effects on those factors which determine realistic coded modem degradation e.g.: PSK carrier and PCM bit synchronization, phase ambiguity, and coding gain in the presence of noise, jitter, transition density, and offset and gain variations. Measured performance is presented, and pitfalls are identified which can lead to misinterpretation of empirical data.
    Sponsors
    International Foundation for Telemetering
    ISSN
    0884-5123
    0074-9079
    Additional Links
    http://www.telemetry.org/
    Collections
    International Telemetering Conference Proceedings, Volume 11 (1975)

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