A COMMUNICATION ANALYSIS OF HIGH-FREQUENCY IONO-SPHERIC SCATTERING

Abstract

A communication scheme for random multipath channels is investigated. During predetermined intervals the transmitter sends sounding signals that receiver uses to predict behavior of channel during intermediate time when communication is performed. It is assumed that channel varies slowly, and additive noise in receiver is low. The possibility of representing a multipath channel as a time-variant filter is investigated. A sampling theorem for linear bandpass filters is derived, and expected results when it is used to represent a single fluctuating path with Doppler shift are discussed.

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Document Details

Document Type
Technical Report
Publication Date
Nov 15, 1962
Accession Number
AD0296412

Entities

People

  • Goran Einarsson

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • Air Platforms
  • C4I
  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Air Force
  • Communication Systems
  • Computations
  • Data Science
  • Doppler Effect
  • Frequency Shift
  • Gaussian Distributions
  • Gaussian Processes
  • Information Science
  • Plastic Explosives
  • Probability
  • Radio Waves
  • Random Variables
  • Scattering
  • Stationary Processes
  • Stochastic Processes
  • Wave Propagation

Fields of Study

  • Engineering

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.
  • Computer Networking
  • Spectroscopy.