Elaboración del Estudio de Ingeniería y Requisitos para la Adjudicación de una Frecuencia Temporal de un Canal de Televisión Digital Terrestre para la Espoch.

Abstract

The study of engineering and requirements to petition for the acquisition of a temporary frequency of a terrestrial digital television (TDT) was elaborated for Escuela Superior Politécnica de Chimborazo (ESPOCH). The first phase corresponds to a documentary investigation that shows an informative panoramic about the related concepts to the television stations. For collecting and selection of channel equipment, the geographical conditions of the coverage zone werw considered; a stage for the analysis of distances, effective heights, topographic profiles, climatic factors and availability of radio–electric spectrum was destined. The Budget of the televisión broadcaster, the proposal of hierarchical broadcasting: point-to-point and point-to-zone, digital cartography and Geographic Information Systems (GIS) by means of the software Google Earth Pro (beta versión) werw applied, the simulation of televisión broadcaster was made with free software Radio Mobile; the calculus of coverage was based on the Recommendation ITU-R.P 1546. By obtaining as results the study of enginering, the programming grid, application package, and technical sheets. It is concluded that in the cities of Riobamba, Guano and Chambo will be carried the service of terrestrial digital television with the International estándar ISDB-T with a minimal field intensity to protect 51 dB microvolts / m; the hierarchical composition of the channel is HDTV, SDTV and one second. In the programming grid is proposed the incorporation of programming of progressive production. It is recommended that ESPOCH uses the information of the study as base of the implementation of the channel in case of the request presented in ARCOTEL (Agencia de Regulación y Control de las Telecomunicaciones) be favorable.