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Improving pedestrian dynamics modelling using fuzzy logic

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Indoor Navigation Performance Analysis

Pierre-Yves Gilliéron, Bertrand Merminod

Context of indoor navigation The objective of this research is to define and to implement a dedicated data model for indoor applications. Based on this specific model, route guidance and navigation algorithms can be integrated in order to develop applic ...

2004

Performance Analysis of Mobile Station Location Using Hybrid GNSS and Cellular Network Measurements

Pierre-André Farine, Cyril Botteron, Elham Firouzi

Recently, different hybrid GNSS/cellular methods combining GNSS measurements with cellular network measurements have been proposed. These methods are designed to improve the availability (and accuracy) of position determination in situations where few sate ...

2004

Pedestrian navigation method and apparatus operative in a dead reckoning mode

Quentin Ladetto

A displacement of a pedestrian is determined from his or her accelerations by detecting accelerations which is substantially non vertical, determining a characteristic feature in the detected accelerations correlated with a step frequency, determining the ...

2004

GPS/INS integration for pedestrian navigation

This research has been sponsored by the Centre Suisse d'Electronique et de Microtechnique (CSEM) in Neuchâtel, Switzerland. It introduces a system and the algorithms for Pedestrian Navigation using a combination of sensors. The main objective is to localis ...

EPFL2003

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

Personal Navigation System for Indoor Applications

Pierre-Yves Gilliéron, Bertrand Merminod

Navigation is usually associated with marine and aviation domains. Except for some lighthouses for orientation or landmarks near the coast, navigation instruments are essential because routes are virtual. Therefore, current position of ships and aircrafts ...

2003

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

Self Organized Routing in Wide Area Mobile Ad Hoc Network

Jean-Yves Le Boudec, Ljubica Blazevic

This paper considers the problem of routing in a wide area mobile ad-hoc network called Terminode Network. Our routing scheme is a combination of two protocols called Termin-ode Local Routing (TLR) and Terminode Remote Routing (TRR). TRR is activated when ...

2001

Athletic Analysis With a Racing Heart

Martin Vetterli, Jan Skaloud, Bertrand Merminod, Quentin Ladetto, Yves Schutz

Downhill skiers enter a different dimension on the racecourse, but they are still subject to the laws of physics. A new Swiss system integrates GPS, video, and biosensors for precise position, velocity and heart-rate measurement, helping coaches and athlet ...

2001

Robust multipath resolving in fading conditions for mobile-positioning systems

Ali H. Sayed

Infrastructure-based mobile-positioning is receiving increasing attention in the field of wireless communications. This is is due to an order issued by the Federal Communications Commission (FCC) that mandates all wireless service providers to locate an em ...

2000