Abstract
The article considers the bases of use the DEM open data sources such as SRTM version 3.0 and AsterGDEM2 for the purposes of radio network planning and optimization. The calculations were made within the sample area determined by zoning of the territory by the terrain slopes with a confidence interval 95% ± 3%. The network Pass Loss prediction was calculated with the Atoll software based on Okumara-Hata formula for the standard Universal Mobile Telecommunications System (UMTS) using each of the next digital terrain models: the topographic data of scale 1:2 000, the topographic data of scale 1: 50 000, SRTM version 3.0 and AsterGDEM2. The mean square errors were calculated with the ArcGIS ModelBuilder extension using such functions for the raster datasets as classification, mosaic, zonal statistics etc. The conclusions were made based on the permitted RMSE values 6-7 dB for urban areas, 10-15 dB for suburban and village areas.
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