Outdoor PropagationRec. P.1411

Three path categories:

• over rooftops, non-line-of-sight

  • base station above rooftop level
  • macro-cellular

• along street canyons

  • base station below rooftop level
  • micro- or pico-cellular

• line-of-sight

  • base station either above or below rooftop level

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• Depending on size of service area, or cell, base station may be found above or below rooftop level.

• Three categories of propagation path may be considered:
  • above rooftop
  • below rooftop – street canyon
  • above or below rooftop but a direct LOS.