Concept

Error analysis for the Global Positioning System

Publications associées (118)

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GSM-Distributed RTK for Precise Analysis of Speed Skiing

Jan Skaloud, Bertrand Merminod, Hervé Gontran

The applications to dynamic sports for an accurate analysis of trajectories represent a new perspective for carrier phase-based GPS positioning. Introduced in competitive skiing, the GPS technique provide all the qualitative data for a complete analysis of ...

2004

The EGNOS Integrity Concept: Evaluation of the Ionospheric Corrections

Within the validation work of EGNOS for civil aviation, it is interesting to analyze the transmitted corrections individually. In this paper, the ionospheric model of EGNOS is compared to the one determined by an independent organization (CODE). The contin ...

2003

Le Concept d'intégrité d'EGNOS

Pierre-Yves Gilliéron

EGNOS (European Geostationary Navigation Overlay Service) sera le système d'augmentation satellitaire européen. Il améliorera la performance des deux systèmes satellitaires militaires GPS (Global Positioning System) et GLONASS (Global Navigation Satellite ...

2003

The MOVE System: Monitoring of waste collecting vehicles

Phillip Tomé, Telmo Cunha

Nowadays, efficiency and productivity are fundamental concepts, in any kind of business. Although one can easily accept this as a known fact, one cannot easily identify which steps must be taken to achieve these goals. One approach consists of taking full ...

2003

GPS-free Positioning in Mobile Ad-Hoc Networks

Jean-Pierre Hubaux, Srdan Capkun

We consider the problem of node positioning in ad hoc networks. We propose a distributed, infrastructure- free positioning algorithm that does not rely on GPS (Global Positioning System). Instead, the algorithm uses the distances between the nodes to build ...

2002

In Step with INS Navigation for the Blind, Tracking Emergency Crews

Bertrand Merminod, Quentin Ladetto

As demand increases for positioning rescue crews, military users, and individuals with special needs, miniaturized low-power inertial measurement units (IMUs) coupled with GPS receivers and other sensors can provide accurate position in both indoor and out ...

2002

GPS-free Positioning in Mobile Ad-Hoc Networks

Jean-Pierre Hubaux, Srdan Capkun

In this paper we consider the problem of node positioning in ad-hoc networks. We propose a distributed, infrastructure-free positioning algorithm that does not rely on Global Positioning System (GPS). The algorithm uses the distances between the nodes to b ...

2001

Detection of fading overlapping multipath components for mobile positioning systems

Ali H. Sayed

The Federal Communications Commission (FCC) mandate for locating the position of wireless 911 callers is fueling research in the area of mobile-positioning technologies. Overlapping multipath propagation is one of the main sources of mobile-positioning err ...

2001

Multisensor On-the-Fly Localization: Precision and Reliability for Applications

Roland Siegwart, Nicola Tomatis, Björn Jensen, Kai Oliver Arras

In this paper an approach for localization using geometric features from a 360 degree laser range finder and a monocular vision system is presented. Its practicability under conditions of continuous localization during motion in real-time (referred to as o ...

Robotics and Autonomous Systems2001

Evaluation of a DGPS/IMU Integrated Navigation System

Phillip Tomé, Telmo Cunha

The development of efficient systems for precise attitude and position determination of airborne sensor platforms is having a huge impact in different remote sensing applications, resulting in higher productivity levels and lower exploitation costs. This t ...

2000