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An Integrated "Error-Free" Communication System

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1 Author(s)
Hansen, John C. ; Philco Western Development Laboratories, a Subsidiary of the Ford Motor Company, Palo Alto, Calif.

In the interest of more efficient operation, a system is proposed which combines the functions of command, synchronization, range, and range rate on the two-way radio link. Extreme reliability of information transfer is achieved by employing "comma-free" words which have been coded for error detection. Consideration is given to an assumed elemental error probability, corresponding to a conservative signal level Pe = 10-4. The mean time between error for this case is 108 years. The coding is such that synchronization obtains the same high degree of reliability as the information. In addition to the advantages of essentially "error-free" communication, the system offers relative ease of implementation common to the class of cyclic codes.

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Space Electronics and Telemetry, IEEE Transactions on  (Volume:9 ,  Issue: 3 )