Worth Reading: A Primer on Communication Fundamentals

Dip Singh published an excellent primer on communication fundamentals including:

  • Waves: frequency, amplitude, wavelength, phase
  • Composite signals, frequency domain and Fourier transform
  • Bandwidth, fundamental and harmonic frequency
  • Decibels in a nutshell
  • Transmission impairments: attenuation, distortion, noise
  • Principles of modern communications: Nyquist theorem, Shannon’s law, bit and baud rate
  • Line encoding techniques, quadrature methods (including QPSK and QAM)

Even if you don’t care about layer-1 technologies you MUST read it to get at least a basic appreciation of why stuff you’re using to read this blog post works.

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