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    On the Performance of Equalizers in an Aeronautical Telemetry Environment

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    Author
    Gagakuma, Edem C.
    Rice, Michael
    Affiliation
    Brigham Young University
    Issue Date
    2015-10
    
    Metadata
    Show full item record
    Rights
    Copyright © held by the author; distribution rights 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
    This paper examines the bit error rate (BER) performance of four equalization techniques with Forney and matched filter observation models for BPSK operating over multipath channels measured at Edwards AFB. The maximum likelihood sequence estimator is able to eliminate all the ISI induced by the multipath channel. For the filter-based equalizers (zero-forcing, minimum mean-squared error, and decision-feedback), the depth of the nulls defines the performance of the filter-based equalizers. Generally speaking, the matched filter observation model produces a channel with deeper nulls than the Forney observation model. But this advantage is achieved at the cost of a noise whitening filter. For flight-line channels the Forney observation model is the best choice for any filter-based equalizer. For low-elevation angle up-and-away channels the decision-feedback equalizer with either observation model yields excellent performance.
    Sponsors
    International Foundation for Telemetering
    ISSN
    0884-5123
    0074-9079
    Additional Links
    http://www.telemetry.org/
    Collections
    International Telemetering Conference Proceedings, Volume 51 (2015)

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