On Thu, Apr 17, 2008 at 12:05 PM, Peter Hopfgartner <[EMAIL PROTECTED]> wrote: > Dear GRASS community, > > I would like to simulate the strength of a signal emitted from an antenna > and received by a receiver. > > As a first approach r.los gives a good start. Anyway, more accurate results > could be obtained by taking obstruction in the first Fresnel Zone into > account. Finally, having a way to calculate the impact on indirect > paths/reflections, should lead to a reasonably accurate signal strength map. > > Did anybody work on some of these issues, possibly in combination with > GRASS? Is there a good starting point for the calculation of the obstruction > within the first Fresnel Zone. And the reflections?
Hi Peter, reading http://en.wikipedia.org/wiki/Fresnel_zone I remembered Mapping Wi-Fi Network Range with GRASS, Kismet, and python http://casoilresource.lawr.ucdavis.edu/drupal/node/470 Could this be helpful? Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
