1 Fundamentals of Time-Varying Communication Channels

  title={1 Fundamentals of Time-Varying Communication Channels},
  author={Gerald Matz and Franz Hlawatsch},
Wireless communication systems, i.e., systems transmitting information via electromagnetic (radio) or acoustic (sound) waves, have become ubiquitous. In many of these systems, the transmitter or the receiver is mobile. Even if both link ends are static, scatterers — i.e., objects that reflect, scatter, or diffract the propagating waves — may move with significant velocities. These situations give rise to time variations of the wireless channel due to the Doppler effect. Non-ideal local… CONTINUE READING
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