A 3-D integrated macro and microcellular propagation model, based on the use of photogrammetric terrain and building data

EK Tameh, AR Nix, MA Beach

Research output: Contribution to conferenceConference Abstract

33 Citations (Scopus)
272 Downloads (Pure)


This paper describes a fully three-dimensional deterministic propagation model based on a radar cross-section analysis of terrain pixels and building walls. The model utilises a variable resolution terrain database as well as a buildings database to predict signal strength, time dispersion and fading information, in addition to providing spatial information (e.g. arrival angles) for the propagation channel. It considers scattering from illuminated terrain pixels and building walls as well as considering off-axis terrain and rooftop diffraction contributions. The model can be particularly useful for integrating macrocells and microcells e.g. predicting interference in a microcell due to a nearby macrocell or vice versa. Signal strength predictions from the model show good agreement with narrowband measurements for a rural macrocell. The effects of buildings and foliage in the propagation channel are investigated, and reveal that large errors can result if these effects are ignored. The accuracy improvement of the 3-D analysis over the simpler 2-D approach is also demonstrated.
Original languageEnglish
Pages1957 - 1961
Publication statusPublished - May 1997

Bibliographical note

Sponsorship: Much of the work described in this paper was carried out under the Virtual University Research Initiative (VURI)and funded by British Telecommunication Research Laboratories at Martlesham, UK

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Name of Conference: 47th Vehicular Technology Conference 1997 (VTC 1997-Spring)
Venue of Conference: Phenix, AZ


  • land mobile radio
  • radiowave propagation
  • electromagnetic wave diffraction
  • cellular radio


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