March 1970 | NTIA Technical Memo ERL TM ITS 226

A comparison of one-third rate con­volutional codes with the (15,5) BCH Code,

J. B. McCrumb Lt.

Abstract: This report proposes and compares convolutional codes with the (15,5) BCH code. Word-error probabilities are computed for each of the codes with the convolutional codes performing at least an order of magnitude better than the (15,5) BCH code. The convolutional codes may be implemented with a considerable reduction in equipment and circuit complexity, compared with the (15,5) BCH code. NOTE: LT McCrumb was guest worker -Jan 2 -March 15, 1970. Work supported by U. S. Naval Postgraduate School, Monterey, Calif.

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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