Modulation Waveform Study.

Abstract

TRANSMISSION SYSTEMS, MODULATION), (*RADIO RELAY SYSTEMS, *MODULATION), ELECTRONIC COUNTER COUNTERMEASURES, DIGITAL SYSTEMS, MULTIPLE OPERATION, DETECTORS, MULTIPLEXING, FREQUENCY MODULATIONTIME DIVISION MULTIPLEXINGThe Modulation Waveform Study is addressed to the determination of the optimum spread-spectrum modulation technique for use in a ground sensor-to-airborne relay communications link. The study is conducted under a set of guidelines concerning digital message error rates, message structure, communication link distance, frequency, multiple access capability (i.e., self-interference) and processing gain against intentional jamming. Pseudonoise, time hop, frequency hop, and hybrid modulation techniques are examined and only two are found to be suitable for satisfying the study guideline: frequency hop and time hop/pseudonoise. (Author)

Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1973
Accession Number
AD0761522

Entities

People

  • Charles R. Reeves
  • Jon P. Aasterud
  • Richard V. Ridings

Organizations

  • Texas Instruments

Tags

DTIC Thesaurus Topics

  • Communication Systems
  • Communications Techniques
  • Counter Countermeasures
  • Countermeasures
  • Detectors
  • Electronic Counter Countermeasures
  • Frequency
  • Frequency Shift
  • Modulation
  • Multiple Access
  • Multiplexing
  • Radio Relay Systems
  • Spread Spectrum
  • Waveforms

Readers

  • Radio communications and signal processing.

Technology Areas

  • Microelectronics