Towards an Information Theory of Spread-Spectrum Systems

  title={Towards an Information Theory of Spread-Spectrum Systems},
  author={James L. Massey},
A novel definition of a spread-spectrum signal as a signal whose Fourier bandwidth is much greater than its Shannon bandwith (one-half the number of dimensions of signal space required per second) is proposed. Six different communication systems are analyzed in terms of this definition. It is shown that there is a fundamental difference between the bandwidth expansion due to coding and that due to "spectrum spreading". It is further shown that spectrum spreading plays no role in increasing… CONTINUE READING
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