Publication

MicroCast: Cooperative Video Streaming Using Cellular and Local Connections

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Towards reliable communication and agreement in mobile ad-hoc networks

David Cavin

During the last decade, the number of wireless devices like digital organizers, mobile phones and laptop computers has drastically increased. At the same time, several technologies, like Bluetooth, GPRS, or WiFi have become mature and offer a high-performa ...

EPFL2006

Reliable Broadcast in Wireless Mobile Ad Hoc Networks

André Schiper, David Cavin, Yoav Sasson

We propose a single source reliable broadcasting algorithm for linear grid-based networks where a message is guaranteed to be delivered to all the nodes of the network. The nodes are mobile and can move from one grid point to another. The solution does not ...

2006

A Network Coding Approach to Energy Efficient Broadcasting: from Theory to Practice

Jean-Yves Le Boudec, Christina Fragouli, Jörg Widmer

We show that network coding allows to realize energy savings in a wireless ad-hoc network, when each node of the network is a source that wants to transmit information to all other nodes. Energy efficiency directly affects battery life and thus is a critic ...

2006

Advances in indoor Location

Phillip Tomé

This paper presents the research activities carried out within the scope of the Liaison project. Most of the work has been performed on WiFi location. WiFi is nowadays widely deployed in buildings such as hotels, hospitals, airports, train stations, public ...

2006

A new relaying scheme for cheap wireless relay nodes

Ramin Khalili

In this paper we will propose a relaying scheme for wireless multi-hop networks. It is based on collaboration of intermediate relays at network layer to forward useful side information in place of dumbly forwarding packets. In our scheme we assume that the ...

2005

A Network Coding Approach to Energy Efficient Broadcasting: from Theory to Practice

Jean-Yves Le Boudec, Christina Fragouli, Jörg Widmer

We show that network coding allows to realize significant energy savings in a wireless ad-hoc network, when each node of the network is a source that wants to transmit information to all other nodes. Energy efficiency directly affects battery life and thus ...

2005

Deux applications de processus ponctuels aux réseaux de communication

Patrick Thiran, Olivier Dousse, Xuan Hung Nguyen

This paper (in Frensh) summarizes recent results obtained by using shot noise processes for two applications in communication networks: first, TCP/IP traffic models for backbone networks; and next the study of connectivity under rate constraints in wireles ...

2005

Few is more

Peter Ryser, Antoine Barraud, Hansu Birol

Devices which are assembled from very few parts and have a superior performance generate more value for users. Examples of devices are discussed were this principle is applied. ...

2005

Rate Performance Objectives of Multi-hop Wireless Networks

Jean-Yves Le Boudec

We consider the question of what performance metric to maximize when designing ad-hoc wireless network protocols such as routing or MAC. We focus on maximizing rates under battery lifetime and power constraints. Commonly used metrics are total capacity (in ...

2003

Universal multimedia access from wired and wireless systems

Touradj Ebrahimi, Yousri Abdeljaoued

Personal computing and communication devices such as computers, personal digital assistants (PDAs), and mobile phones are moving to their next generation in which the end user will be able to access a multitude of information with a single device either lo ...

2001