Test and Evaluation of Reduced Rate Multiplexers.

Abstract

This report contains the results of a test and evaluation utilizing commercially available Reduced Rate Multiplexers performed by RADC's Digital Communication Experimental Facility (DICEF) in support of DCA/DCEC. Unlike previous work in this area, the subject program considered the effect of an analog telecommunications channel prior to digitization by a Continuously Variable Slope Delta Modulation (CVSD) encoder. The major conclusion drawn from this evaluation is the fact that a system incorporating a 32 KB/S CVSD in tandem with a conventional analog telephone channel of relatively poor quality can support 2400 B/S modem transmission.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1981
Accession Number
ADA108202

Entities

People

  • John Evanowsky

Organizations

  • Rome Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies
  • Human Systems
  • Space

DTIC Thesaurus Topics

  • Amplitude Modulation
  • Analog Signals
  • Communication Channels
  • Communication Systems
  • Data Links
  • Data Rate
  • Data Transmission
  • Databases
  • Delta Modulation
  • Digital Communications
  • Frequency
  • Frequency Shift
  • Microsecond Time
  • Modulation
  • Simulators
  • Test And Evaluation
  • Test Methods

Readers

  • Aerospace Test and Evaluation
  • Radio communications and signal processing.