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Title: Galileo Search and Rescue (SAR): Análisis del sistema y simulación del balance de enlace
Author: Méndez Sampedro, Jesús
Tutor: Seco-Granados, Gonzalo  
Keywords: radio communication
link balance
Issue Date: Jan-2023
Publisher: Universitat Oberta de Catalunya (UOC)
Abstract: In the last years, the Satellite Radionavigation Systems o GNSS (Global Navigation Satellite Systems) have become a key element for society, where multiple systems and services rely on the positioning capabilities provided by the different GNSS systems. In this context, the European Global Navigation Satellite System, Galileo, stands as a strategic asset for the European Union, providing not only positioning, navigation and timing capabilities, but also other critical services considered sometimes as restricted. It is the case for the High Accuracy Services, oriented to professional and scientific applications, the Public Regulated Services delivering government services and the Search and Rescue Service or SAR, which provides location capabilities for distress situations. In this Master´s degree final dissertation, we will perform the analysis of one of the restricted Galileo services, focusing on the Galileo Search and Rescue SAR service, which represents the European contribution to the global distress alerting system COSPAS-SARSAT (C/S). The C/S MEOSAR system and particularly the Galileo SAR system provides global distress alert and location data, to help search and rescue authorities assisting persons or vehicles in distress situations. Thanks to Galileo´s SAR capabilities and its global reach, the required delay to raise alerts to the SAR services, and the time required to locate and provide assistance to a distress signal is considerably reduced, having a direct impact on the probability of survival of the person in distress, especially in remote areas at sea or on land. Throughout the different sections of this paper, we will perform a detailed analysis of the architecture of the SAR system and its components, reviewing the performance and functionalities offered by Galileo SAR service, in the framework of the requirements defined by the COSPAS-SARSAT specifications. Moreover, as part of this dissertation we will also model a Galileo simulation for the study of the link parameters of the SAR system, analysing the link budget with regards to the terminal specs and the specific performance of the SAR-dedicated payload of the Galileo satellites.
Language: Spanish
Appears in Collections:Bachelor thesis, research projects, etc.

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