Concept

Satellite television

Related publications (58)

SwissCube inertia wheel assembly – mechanical part

The goal of this project is to develop and build an electric motor to drive the inertia wheel of the SwissCube satellite. This system should provide angular stability to the satellite and allow its control. The operational speeds range from 5000 to 11 000 ...

2007

Algorithms for map-aided autonomous indoor pedestrian positioning and navigation

The personal positioning and navigation became a very challenging topic in our dynamic time. The urban canyons and particularly indoors represent the most difficult areas for personal navigation problematic. Problems like disturbed satellite signals make t ...

EPFL2007

SwissCube Inertia Wheel Assembly - Electronics

Omar Scaglione

The Inertia Wheel Assembly (IWA) is composed by the IWA motor, the inertia wheel and the command electronics. IWA belongs to the Attitude Determination and Control System (ADCS) of the SwissCube satellite. Swisscube is a pico-satellite that complies with C ...

2007

A flexible Galileo E1 Receiver Platform for the Validation of Low Power and Rapid Acquisition Schemes

Pierre-André Farine, Cyril Botteron, Frédéric Chastellain, Marcel Baracchi Frei, Davide Manetti, Giuseppe Zamuner

With the inclusion of 406 MHz transponders on the Galileo satellites and the new search and rescue (SAR) return link message (RLM) on the open service E1B signal, the availability of distress beacons equipped with a Galileo or combined GPS/Galileo receiver ...

2006

A Robust Signal Detection Method for Ultra Wide Band (UWB) Networks with Uncontrolled Interference

Jean-Yves Le Boudec, Alaeddine El Fawal

We propose a novel detection method for non-coherent synchronization (signal acquisition) in multi-user UWB impulse radio (IR) networks. It is designed to solve the IUI (Inter-User Interference) that occurs in some ad-hoc networks where concurrent transmis ...

2006

A tighter Cut-Set bound for the multi-terminal erasure channel without side information

Ramin Khalili

In this paper our recent results in the capacity of single relay erasure channels are used to derive a new and tighter cut-set bound. We initially present a simple and intuitive approach to derive the classical cut-set bound in General Multi-Terminal Erasu ...

2006

Land mobile GNSS availability and multipath evaluation tool

Applications of global navigation satellite system (GNSS) in land transportation systems are already extensively deployed and will certainly continue to grow especially in the framework of intelligent transport systems. However, one of the best-known drawb ...

Institute of Electrical and Electronics Engineers2005

SARFOS - Search And Rescue Forward Operation Support System

Mountain search and rescue in the Alps of Austria and Switzerland is a prominent and challenging example of emergency response tasks. Significant numbers of search and rescue operations are carried out every year. In Switzerland, the "Alpine Rettung" in 20 ...

2005

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

On Wide Band Broadcast Channels

Rüdiger Urbanke, Emre Telatar, Amos Lapidoth

We study the capacity regions of various broadband degraded broadcast channels including the degraded Poisson broadcast channel and the degraded very-noisy broadcast channel. It is shown that in the absence of dark current the capacity region of the degrad ...

2003

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