The content of this work is description of current preccision approach system ILS. The location is Brno Tuřany airport. Meteorogic and traffic information was sorted to aim to show current conditions at the airport. In relation to these informations was made project of future GNSS approach in Brno Tuřany

This diploma thesis deals with a positioning accuracy of global positioning system GPS and satellite augmentation system EGNOS. My thesis describes the procedure for investigation of the errors in previously mentioned global navigation satellite systems according to L10 regulation and further on an elaboration is worked out in more detail far beyond the requirements of this regulation. In the practical part, an assessment of errors on a real data sample is done, the errors are measured with using a static observation, and later a discussion is carried out on the achieved results.

[EN] Abstract Global Navigation Satellite Systems (GNSS) have transformed the positioning and navigation techniques, becoming the indispensable today for multiple applications. Satellite navigation is one of the new forms of navigation and has multiple advantages over existing techniques. It can provide information to users in any location, without direct vision and comprehensively worldwide. Therefore, we are witnessing the arrival of a navigation system that, by itself, could give boaters the ability to perform positioning and route planning without the need to resort to another method or additional information. The International Civil Aviation Organization (ICAO) began in early 1990 a series of activities to define "air navigation system of the future", whose base would be the GNSS systems. The potential applicability of these systems is a reality, fulfilling the requirements of many operations navigation: accuracy, integrity, availability and continuity. One example that is already being used for CAT III operations, such as aircraft landing. The signal emitted by satellites undergoes a series of errors in its spread and the operating system to be limited for many applications. Therefore, the real-time positioning requires the use of a differential corrections to improve the performance of GNSS systems. Current differential correction systems can be grouped in local systems or LADGPS (Local Area DGPS), and extensive systems or WADGPS area (Wide Area DGPS). In March 2011 the European Commission declared the 'Safety-of-Life' service of EGNOS suitable for use in civil aviation, which is the WADGPS system used in this research together with the System of Permanent Reference Stations VRS, as system LADGPS. The objective of this thesis is the analysis of the possible integration of EGNOS navigation system with positioning methodology from ground Reference Stations Trimble VRS. It aims to improve the positioning accuracy of the EGNOS system implementing a priori more accurate VRS solution. In short, we seek a proposed methodology of positioning that has the best of both, we call EGNOS / VRS. Having defined the methodology to be used for determining the positioning EGNOS / VRS new performances are analyzed and improved accuracy is verified, allowing use is new methodology for applications with requirements for positioning accuracy, such as in agriculture precision. / [ES] Resumen Los Sistemas Globales de Navegación por Satélite (GNSS) han transformado las técnicas de posicionamiento y navegación, llegando a ser en la actualidad indispensable para múltiples aplicaciones. La navegación por satélite es una de las nuevas formas de navegación y tiene múltiples ventajas sobre las técnicas existentes. Puede proporcionar información a los usuarios en cualquier ubicación, sin necesidad de visión directa y de forma global en todo el planeta. Por tanto, estamos asistiendo a la llegada de un sistema de navegación que, por sí mismo, podría proporcionar a los navegantes la capacidad de realizar el posicionamiento y la planificación de rutas sin la necesidad de recurrir a otro método o información adicionales. La Organización de Aviación Civil Internacional (OACI) inició a principios de 1990 una serie de actividades encaminadas a definir el "sistema de navegación aérea del futuro", cuya base serían los sistemas GNSS. La aplicabilidad potencial de estos sistemas es ya una realidad, cumpliendo los requerimientos de muchas operaciones de navegación: precisión, integridad, disponibilidad y continuidad. Sirva como ejemplo que se está utilizando ya para operaciones de CAT III, como el aterrizaje de aeronaves. La señal que emiten los satélites sufre una serie de errores en su propagación y funcionamiento del sistema que los limitan para muchas aplicaciones. Por ello, el posicionamiento en tiempo real necesita de la utilización de unas correcciones diferenciales que mejoran el rendimiento de los sistemas GNSS. Los sistemas actuales de corrección diferencial los podemos agrupar en sistemas locales o LADGPS (Local Area DGPS), y sistemas de área extensa o WADGPS (Wide Area DGPS). En marzo de 2011 la Comisión Europea declaró el servicio 'Safety-of-Life' de EGNOS apto para su uso en aviación civil, siendo éste el sistema WADGPS utilizado en esta investigación junto con el sistema de Estaciones de Referencia Permanentes por VRS, como sistema LADGPS. El Objetivo de ésta Tesis es el análisis de la posible integración del sistema de navegación EGNOS con la metodología de posicionamiento a partir de Estaciones de Referencia en tierra VRS de Trimble. Se pretende mejorar la precisión de posicionamiento del sistema EGNOS implementando la solución VRS, a priori más precisa. En definitiva, buscamos una propuesta de metodología de posicionamiento que tenga lo mejor de ambas, que llamaremos EGNOS/VRS. Una vez definida la metodología a emplear para la determinación del posicionamiento EGNOS/VRS se analizan los nuevos rendimientos y se verifica la mejora de precisión, lo que permite utilizar está nueva metodología para aplicaciones con más requisitos en exactitud de posicionamiento, como por ejemplo en agricultura de precisión. / [CA] Resum Els Sistemes Globals de Navegació per Satèl¿lit (GNSS) han transformat les tècniques de posicionament i navegació, arribant a ser en l'actualitat indispensable per a múltiples aplicacions. La navegació per satèl¿lit és una de les noves formes de navegació i té múltiples avantatges sobre les tècniques existents. Pot proporcionar informació als usuaris en qualsevol ubicació, sense necessitat de visió directa i de forma global en tot el planeta. Per tant, estem assistint a l'arribada d'un sistema de navegació que, per si mateix, podria proporcionar als navegants la capacitat de realitzar el posicionament i la planificació de rutes sense la necessitat de recórrer a un altre mètode o informació addicionals. L'Organització d'Aviació Civil Internacional (OACI) va iniciar a principis de 1990 una sèrie d'activitats encaminades a definir el "sistema de navegació aèria del futur", la base del qual serien els sistemes GNSS. L'aplicabilitat potencial d'estos sistemes és ja una realitat, complint els requeriments de moltes operacions de navegació: precisió, integritat, disponibilitat i continuïtat. Servisca com a exemple que s'està utilitzant ja per a operacions de CAT III, com l'aterratge d'aeronaus. El senyal que emeten els satèl¿lits patix una sèrie d'errors en la seua propagació i funcionament del sistema que els limiten per a moltes aplicacions. Per això, el posicionament en temps real necessita de la utilització d'unes correccions diferencials que milloren el rendiment dels sistemes GNSS. Els sistemes actuals de correcció diferencial els podem agrupar en sistemes locals o LADGPS (Local Àrea DGPS) , i sistemes d'àrea extensa o WADGPS (Wide Àrea DGPS) . Al març de 2011 la Comissió Europea va declarar el servici 'Safety-of-Life' d'EGNOS apte per al seu ús en aviació civil, sent este el sistema WADGPS utilitzat en esta investigació junt amb el sistema d'Estacions de Referència Permanents per VRS, com a sistema LADGPS. L'Objectiu d'esta Tesi és l'anàlisi de la possible integració del sistema de navegació EGNOS amb la metodologia de posicionament a partir d'Estacions de Referència en terra VRS de Trimble. Es pretén millorar la precisió de posicionament del sistema EGNOS implementant la solució VRS, a priori més precisa. En definitiva, busquem una proposta de metodologia de posicionament que tinga el millor d'ambdós, que cridarem EGNOS/VRS. Una vegada definida la metodologia a emprar per a la determinació del posicionament EGNOS/VRS s'analitzen els nous rendiments i es verifica la millora de precisió, la qual cosa permet utilitzar està nova metodologia per a aplicacions amb més requisits en exactitud de posicionament, com per exemple en agricultura de precisió. / Olivares Belinchon, JL. (2016). Análisis del sistema de navegación por satélite europeo EGNOS para su integración con VRS [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/61981

Nowadays, satellite-based localization is a well-established technical solution to support several navigation tasks in daily life. Besides the application inside of portable devices, satellite-based positioning is used for in-vehicle navigation systems as well. Moreover, due to its global coverage and the availability of inexpensive receiver hardware it is an appealing technology for numerous applications in the area of Intelligent Transportation Systems (ITSs). However, it has to be admitted that most of the aforementioned examples either rely on modest accuracy requirements or are not sensitive to temporary integrity violations. Although technical concepts of Advanced Driver Assistance Systems (ADASs) based on Global Navigation Satellite Systems (GNSSs) have been successfully demonstrated under open sky conditions, practice reveals that such systems suffer from degraded satellite signal quality when put into urban areas. Thus, the main research objective of this thesis is to provide a reliable vehicle positioning concept which can be used in urban areas without the aforementioned limitations. Therefore, an integrated probabilistic approach which preforms fault detection & exclusion, localization and multi-sensor data fusion within one unified Bayesian framework is proposed. From an algorithmic perspective, the presented concept is based on a probabilistic data association technique with explicit handling of outlier measurements as present in urban areas. By that approach, the accuracy, integrity and availability are improved at the same time, that is, a consistent positioning solution is provided. In addition, a comprehensive and in-depth analysis of typical errors in urban areas within the pseudorange domain is performed. Based on this analysis, probabilistic models are proposed and later on used to facilitate the positioning algorithm. Moreover, the presented concept clearly targets towards mass-market applications based on low-cost receivers and hence aims to replace costly sensors by smart algorithms. The benefits of these theoretical contributions are implemented and demonstrated on the example of a real-time vehicle positioning prototype as used inside of the European research project GAlileo Interactive driviNg (GAIN). This work describes all necessary parts of this system including GNSS signal processing, fault detection and multi-sensor data fusion within one processing chain. Finally, the performance and benefits of the proposed concept are examined and validated both with simulated and comprehensive real-world sensor data from numerous test drives.

Nowadays, satellite-based localization is a well-established technical solution to support several navigation tasks in daily life. Besides the application inside of portable devices, satellite-based positioning is used for in-vehicle navigation systems as well. Moreover, due to its global coverage and the availability of inexpensive receiver hardware it is an appealing technology for numerous applications in the area of Intelligent Transportation Systems (ITSs). However, it has to be admitted that most of the aforementioned examples either rely on modest accuracy requirements or are not sensitive to temporary integrity violations. Although technical concepts of Advanced Driver Assistance Systems (ADASs) based on Global Navigation Satellite Systems (GNSSs) have been successfully demonstrated under open sky conditions, practice reveals that such systems suffer from degraded satellite signal quality when put into urban areas. Thus, the main research objective of this thesis is to provide a reliable vehicle positioning concept which can be used in urban areas without the aforementioned limitations. Therefore, an integrated probabilistic approach which preforms fault detection & exclusion, localization and multi-sensor data fusion within one unified Bayesian framework is proposed. From an algorithmic perspective, the presented concept is based on a probabilistic data association technique with explicit handling of outlier measurements as present in urban areas. By that approach, the accuracy, integrity and availability are improved at the same time, that is, a consistent positioning solution is provided. In addition, a comprehensive and in-depth analysis of typical errors in urban areas within the pseudorange domain is performed. Based on this analysis, probabilistic models are proposed and later on used to facilitate the positioning algorithm. Moreover, the presented concept clearly targets towards mass-market applications based on low-cost receivers and hence aims to replace costly sensors by smart algorithms. The benefits of these theoretical contributions are implemented and demonstrated on the example of a real-time vehicle positioning prototype as used inside of the European research project GAlileo Interactive driviNg (GAIN). This work describes all necessary parts of this system including GNSS signal processing, fault detection and multi-sensor data fusion within one processing chain. Finally, the performance and benefits of the proposed concept are examined and validated both with simulated and comprehensive real-world sensor data from numerous test drives.

This master’s thesis is the design of the system of the differential GPS, creation of the software for basic wireless communication between 2 GPS receivers, and practical tests of the designed system. Parameters and characteristics of system were determined and they should inform us better about the appropriateness of the designed system for navigation of a mobile robot in outside conditions.

This master’s thesis describes a sensorial subsystem of a mobile robot. The thesis mentions the structure and a basis of the satellite navigation. There are also described each systems and visualization techniques as e. g. WGS 84, including also other systems for specification of more accurate position on the Earth (EGNOS, WAAS and others). This thesis describes closely also a differential GPS and the corrections. For the purposes of the thesis there has been assembled GPS software for a fundamental and a remote station. There have been chosen and used modules for receiving a GPS signal and wireless modules for their communication. There are also used outcomes from the project of the Open Street Map in the thesis. Results of this project are described in details, decoded, adjusted and converted into RNDF file. At the end of this thesis there has been composed a function of the program for portable camera which works on principle time of flight. This portable camera is dedicated to look for immediate barrier and also for 3D space view in front of the robot. This thesis also including the process how the power source has been built up for this portable scanner.

LPV approaches are being published in the Czech Republic nowadays. Their usage is enabled by the EGNOS European satellite augmentation system. However, published decision heights do not allow equivalence with the ILS CAT I precision approach yet. This work presents the model of automated control of aircraft precision approach. Verification of its functionality shows that applicable airspace requirements can be fulfilled for lower values of decision heights than values already published. The model is developed using contemporary methods of model-based development in the tool supporting common processing of both continuous and discrete signals. Although model architecture follows the structure of commonly used ILS system in definition of coordinate system and in establishing control in two separate directions it allows curved approach. Usage of digital navigation data provided by satellite system opens further opportunities in its usage, expansion and improvements. Model functionality in control of flight course, position and height control is verified in the scenarios covering detailed thesis goals. The goals were defined based on definition of precision approach process and include navigation signal drop-out, impact of wind, various flight path angles and curved approach. Analysis of behavior of controlled aircraft dynamics was a stimulator for research of specific system modules up to the application level, i.e. specific simulations of successful precision approaches.

The dissertation deals with the assessment of navigation performance of GPS/EGNOS system in user position domain. Examination is based on a static signal in space monitoring and evaluation campaign to assess the ability to provide sufficient performance for new navigation procedures. GPS/EGNOS system is the first primary navigation system to be used in the airspace of Czech Republic. The first part describes the benefits of using new procedures, summarizes navigation development and current status. The second part defines components of GPS/EGNOS primary navigation system being analysed and its characteristics with the potential impact on the quality of approach navigation services to be provided and ensured by EGNOS. Subsequently, the methodology for critical evaluation of GPS/EGNOS signal in space navigation performance in position domain to be monitored by of air traffic services was formulated, using new methods for investigation of accuracy, integrity and continuity with the focus on final approach procedures. Simultaneously supporting software for data analysis against performance requirements in position domain was designed. Based on campaigns of static experimental measurements and detailed analysis of combined GPS/EGNOS performance against the demands, the level of performance is analysed, the findings are presented and conclusions are made. In the last part, the usage of permanent geodetic stations for regular evaluation of GNSS performance for civil aviation purposes is designed and verified, and the conclusions based on navigation performance evaluation of observations from all selected station in the Czech Republic.