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    Secure Communication Using Non-systematic Error Control Codes

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    8667380.pdf (493.6Kb)
    Date
    3/4/2014
    Author
    Mclaughlin, Steven William
    Klinc, Demijan
    Ha, Jeongseok
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    Abstract
    A transmitter device (110T) for secure communication includes: an encoder (170) configured to apply a non-systematic error correcting code (NS ECC) to a message, thus producing encoded bits with no clear message bits; and a transceiver (720) configured to transmit the encoded bits over a main channel to a receiver. A method for secure communication includes: encoding a message with an NS ECC to produce an encoded message carrying no message bits in the clear; and transmitting the encoded message over a main channel (120). The NS ECC characteristics result in an eavesdropper channel error probability under a security threshold (320) and a main channel error probability over a reliability threshold (310), whenever an eavesdropper (140) listening on an eavesdropper channel (150) is more than distance Z (220) from the transmitter. Unreliable bits in the encoded bits render the eavesdropper unable to reliably decode messages on the main channel.
    URI
    http://hdl.handle.net/1853/56861
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