Radio Coverage Prediction of DMO Terminal in TETRA TRS
Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.14, No. 3)Publication Date: 2014-06-30
Authors : Soon-Hwa Lee; Chang-Bock Kim;
Page : 51-56
Keywords : TETRA; DMO; D2D; Radio Coverage; Path loss model; PPDR; TRS;
Abstract
TETRA(TErrestrial Trunked RAdio) provide specialized disaster radio communication services as a standard European for digital TRS(Trunked Radio System). Especially, DMO(Direct Mode Operation) feature is used effectively in the radio shadow areas which base station does not propagate radio signal because it can communicate directly with terminal to terminal without base station's relay function. However, to effectively used DMO feature, radio coverage prediction information should be provided to users. Therefore in this paper, we were calculated link budget of TETRA DMO terminals which were distributing and operating in the country and then predicted reaching distance about radio propagation to be applied with path loss model.
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