Accession Number : AD0800553

Title :   PCM FRAME SYNCHRONIZATION CODE SELECTION,

Corporate Author : LOCKHEED MISSILES AND SPACE CO INC SUNNYVALE CA

Personal Author(s) : Masching, R. G.

Report Date : 31 JAN 1964

Pagination or Media Count : 122

Abstract : This document describes analyses performed by the Communications and Control Programs organization to select and optimal (approaching optimum) pulse code modulation frame synchronization code. Existing criteria (e.g., the Inter-Range Instrumentation Group Telemetry Standards) are only partially defining and very complex. This analysis combines these criteria with those of other authors and drives an optimal 28-bit code. Simplified criteria were established and a new technique of code selection was developed for any code length. This technique greatly expedites the selection of an optimal code.

Descriptors :   (*PULSE CODE MODULATION, TELEMETER SYSTEMS), (*TELEMETERING TRANSMITTERS, PATTERN RECOGNITION), CODING, SYNCHRONIZATION(ELECTRONICS), PROBABILITY, ERRORS, DIGITAL SYSTEMS, DATA TRANSMISSION SYSTEMS.

Subject Categories : Telemetry

Distribution Statement : APPROVED FOR PUBLIC RELEASE