CYBEC - A GENERAL PURPOSE BURST ERROR CORRECTOR.
ROME AIR DEVELOPMENT CENTER GRIFFISS AFB N Y
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A general purpose error correction device has been constructed for use in digital communications evaluations. It uses cyclic burst error correction coding techniques. The device is designed and constructed to allow easy changing of the cyclic code to be used. The coder and decoder are easily programmed by means of a series of plugs and switches to use any burst error correcting code with a total block length of 63 bits or less, and with 19 or less check bits per block of data. The ratio of redundancy to information is easily varied. These coding constraints will allow correcting error bursts of up to nine bits in length. This report describes the construction details of the equipment in a form easily understood by an engineer with little background in coding theory. The report also presents a list of 22 codes which are easily programmed into the equipment. Author