Concept

Wireless broadband

Related publications (118)

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Energy efficient medium access control for wireless sensor networks

A wireless sensor network designates a system composed of numerous sensor nodes distributed over an area in order to collect information. The sensor nodes communicate wirelessly with each other in order to self-organize into a multi-hop network, collaborat ...

EPFL2005

Reputation-based Wi-Fi Deployment - Protocols and Security Analysis

Jean-Pierre Hubaux, Naouel Ben Salem

In recent years, wireless Internet service providers (WISPs) have established thousands of WiFi hot spots in cafes, hotels and airports in order to offer to travelling Internet users access to email, web or other Internet service. However, two major proble ...

2004

Reputation-based Wi-Fi Deployment: Protocols and Security Analysis

Jean-Pierre Hubaux, Naouel Ben Salem

2004

SOWER: Self-Organizing Wireless Network for Messaging

Jean-Pierre Hubaux, Mark Felegyhazi, Srdan Capkun

Short Message Service (SMS) has become extremely popular in many countries, and represents a multi-billion dollars market. Yet many consumers consider that the price cellular network operators charge for it is too high. In this paper, we explain that there ...

2004

Fuelling WiFi deployment: A reputation-based solution

Jean-Pierre Hubaux, Naouel Ben Salem

The rapid growth of WiFi over the past two years reveals the willingness of the Wireless Internet Service Providers (WISPs) to develop this technology and the interest of the users in this new service. However, the lack of unified roaming slows down the de ...

2004

SOWER: Self-Organizing Wireless Network for Messaging

Jean-Pierre Hubaux, Mark Felegyhazi, Srdan Capkun

Short Message Service (SMS) has become extremely popular in many countries, and represents a multi-billion dollars market. Yet many consumers consider that the price charged by the cellular network operators is too high. In this paper, we explain that ther ...

2004

DOMINO: A System to Detect Greedy Behavior in IEEE 802.11 Hotspots

Jean-Pierre Hubaux, Imad Aad, Maxime Raya

The proliferation of hotspots based on IEEE 802.11 wireless LANs brings the promise of seamless Internet access from a large number of public locations. However, as the number of users soars, so does the risk of possible misbehavior; to protect themselves, ...

2004

Why Max-min Fairness Is Not Suitable For Multi-Hop Wireless Networks

Jean-Yves Le Boudec

We consider the issue of which criteria to use when evaluating the design of a wireless multihop network. It is known, and we illustrate in this paper, that maximizing the total capacity, or transport capacity, leads to gross imbalance and is not suitable. ...

2003

Mobile Ad-Hoc Networks

Ad-hoc networks are a key in the evolution of wireless networks. Ad-hoc networks are typically composed of equal nodes, which communicate over wireless links without any central control. Ad-hoc wireless networks inherit the traditional problems of wireless ...

2001

System and method for generating and maintaining a relative positioning system without GPS

Martin Vetterli, Jean-Pierre Hubaux, Srdan Capkun

NOVELTY - At least some of wireless terminals can communicate over wireless links (2) in one or several hops with at least some of the other wireless terminals. The distances (dij) to one-hop neighbors may be measured in a number of the wireless terminals ...

2001