A Divide-and-Conquer Scheme for Assigning Roles in Multi-Channel Wireless Mesh Networks (2009)
Darties, Benoit, Theoleyre, Fabrice, Duda, Andrzej
A multi-channel MAC seems to be an interesting approach for improving network throughput by multiplexing transmissions over orthogonal channels. In particular, Molecular MAC has recently proposed to...
Efficient Greedy Geographical Non-Planar Routing with Reactive Deflection (2009)
Theoleyre, Fabrice, Schiller, Eryk, Duda, Andrzej
We present a novel geographical routing scheme for spontaneous wireless mesh networks. Greedy geographical routing has many advantages, but suffers from packet losses occurring at the border of...
Efficient Greedy Geographical Non-Planar Routing with Reactive Deflection (2009)
Theoleyre, Fabrice, Schiller, Eryk, Duda, Andrzej
We present a novel geographical routing scheme for spontaneous wireless mesh networks. Greedy geographical routing has many advantages, but suffers from packet losses occurring at the border of...
Efficient Greedy Geographical Non-Planar Routing with Reactive Deflection (2009)
Theoleyre, Fabrice, Schiller, Eryk, Duda, Andrzej
We present a novel geographical routing scheme for spontaneous wireless mesh networks. Greedy geographical routing has many advantages, but suffers from packet losses occurring at the border of...
A Divide-and-Conquer Scheme for Assigning Roles in Multi-Channel Wireless Mesh Networks (2009)
Darties, Benoit, Theoleyre, Fabrice, Duda, Andrzej
A multi-channel MAC seems to be an interesting approach for improving network throughput by multiplexing transmissions over orthogonal channels. In particular, Molecular MAC has recently proposed to...
A Divide-and-Conquer Scheme for Assigning Roles in Multi-Channel Wireless Mesh Networks (2009)
Darties, Benoit, Theoleyre, Fabrice, Duda, Andrzej
A multi-channel MAC seems to be an interesting approach for improving network throughput by multiplexing transmissions over orthogonal channels. In particular, Molecular MAC has recently proposed to...
Darties, Benoit, Theoleyre, Fabrice, Duda, Andrzej
Une couche MAC multicanal semble une approche intéressante afin d'optimiser le débit d'un réseau maillé radio en multiplexant les transmissions sur des canaux orthogonaux. En particulier,...
Darties, Benoit, Theoleyre, Fabrice, Duda, Andrzej
Une couche MAC multicanal semble une approche intéressante afin d'optimiser le débit d'un réseau maillé radio en multiplexant les transmissions sur des canaux orthogonaux. En particulier,...
Scheduling Time-sensitive Traffic on 802.11 Wireless LANs (2008)
Martin Heusse, Paul Starzetz, Franck Rousseau, Gilles Berger-sabbatel, Andrzej Duda
Abstract In contrast to the common wisdom stating that 802.11 wireless LANs are not suitable for time-sensitive traffic, we have observed that in some conditions packet traffic transmitted over...
Automatic Configuration with Conflets (2008)
Justinian Oprescu, Franck Rousseau, Andrzej Duda
Abstract — In this paper, we introduce a framework for the automatic configuration of applications running in dynamic environments where changes are frequent. We propose a way to describe, for each...
Gwendal Le Grand Co-encadrant (2008)
Rabah Meraihi, Stéphane Ubéda, Christian Bonnet Examinateurs, Andrzej Duda, Samir Tohmé
présentée pour obtenir le grade de docteur de l’Ecole nationale supérieure
An Architecture for Seamless Mobility in Spontaneous Wireless Mesh Networks (2008)
Franck Rousseau, Yan Grunenberger, Vincent Untz, Eryk Schiller, Paul Starzetz, Fabrice Theoleyre, ...
In this paper, we consider spontaneous wireless mesh networks that can provide wide coverage connectivity to mobile nodes. Our mobility scheme builds upon separation between a persistent node...
Abstract Frames for Reducing Overhearing in Wireless Sensor Networks (2008)
Abdelmalik Bachir, Dominique Barthel, Martin Heusse, Andrzej Duda
Abstract. We present a novel idea for energy saving by reducing overhearing frames containing a digest of a subsequent data frame. We evaluate energy savings of this scheme analytically and by means...
Catalin Drula, Cristiana Amza, Franck Rousseau, Andrzej Duda
Abstract — In this paper, we introduce and evaluate novel adaptive schemes for neighbor discovery in Bluetooth-enabled ad-hoc networks. In an ad-hoc peer-to-peer setting, neighbor search is a...
Playing Temporal HTML Documents (2008)
The WWW has become a major publishing medium. To integrate synchronized multimedia in this environment in a seamless way we propose temporal extensions to HTML and an execution architecture to...
Multimedia Representation for WWW (2007)
Introduction Current WWW hypermedia technology allows composition of various media data such as text, image or audio/video coming from possibly distributed sources. It is possible to specify the...
Algebraic Video for Composition and Content-Based Access (2007)
Ron Weiss, Andrzej Duda, David K. Gifford
We introduce a new data model called algebraic video that provides operations for the composition, search, navigation and playback of digital video presentations. Video presentations are composed...
Mark A. Sheldon, Andrzej Duda, Ron Weiss, James W. O'toole, David K. Gifford
(DARPA) under contract DABT63-92-C-0012. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either...
(DARPA) under contract DABT63-92-C-0012. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either...
MOBILITY MANAGEMENT FOR PROVIDING QOS IN LOCAL AREA WIRELESS NETWORKS (2007)
Franck Rousseau, Gilles Berger-sabbatel, Leyla Toumi, Andrzej Duda
The purpose of this paper is to present our current work on mobility support integrated with QoS mechanisms in a wireless local area network. Suchanenvironment becomes increasingly important with the...
Iniquité dans les réseaux locaux sans fil : rétablir l'ordre juste (2007)
Heusse, Martin, Grunenberger, Yan, López-Aguilera, Elena, Duda, Andrzej
Le problème de l'iniquité entre les flots dans une cellule de réseau local sans fil est dÛ à l'égalité pour l'accès au canal entre le point d'accès (AP) et les stations. Inévitablement,...
Iniquité dans les réseaux locaux sans fil : rétablir l'ordre juste (2007)
Heusse, Martin, Grunenberger, Yan, López-Aguilera, Elena, Duda, Andrzej
Le problème de l'iniquité entre les flots dans une cellule de réseau local sans fil est dÛ à l'égalité pour l'accès au canal entre le point d'accès (AP) et les stations. Inévitablement,...
The ARESA Project: Facilitating Research, Development and Commercialization of WSNs (2007)
Dohler, Mischa, Barthel, Dominique, Maraninchi, Florence, Mounier, Laurent, Aubert, Stéphane, Dugas, Christophe, ...
Within academia, wireless sensor networks have witnessed a tremendous upsurge in the last decade, which is mainly attributed to their unprecedented operating conditions and hence unlimited research...
The ARESA Project: Facilitating Research, Development and Commercialization of WSNs (2007)
Dohler, Mischa, Barthel, Dominique, Maraninchi, Florence, Mounier, Laurent, Aubert, Stéphane, Dugas, Christophe, ...
Within academia, wireless sensor networks have witnessed a tremendous upsurge in the last decade, which is mainly attributed to their unprecedented operating conditions and hence unlimited research...
Channel access unfairness of wireless LAN access methods (2006)
López Aguilera, Mª Elena, Heusse, Martin, Rousseau, Franck, Duda, Andrzej, Casademont I Serra, Jordi
In this paper, we present an evaluation of chosen wireless LAN access methods involving stations with different bit error rates: n - 1 stations in ideal transmission conditions (BER = 0) and 1...
Channel access unfairness of wireless LAN access methods (2006)
López Aguilera, Mª Elena, Heusse, Martin, Rousseau, Franck, Duda, Andrzej, Casademont I Serra, Jordi
In this paper, we present an evaluation of chosen wireless LAN access methods involving stations with different bit error rates: n - 1 stations in ideal transmission conditions (BER = 0) and 1...
Channel access unfairness of wireless LAN access methods (2006)
López Aguilera, Mª Elena, Heusse, Martin, Rousseau, Franck, Duda, Andrzej, Casademont I Serra, Jordi
In this paper, we present an evaluation of chosen wireless LAN access methods involving stations with different bit error rates: n - 1 stations in ideal transmission conditions (BER = 0) and 1...
A Synthetic Function for Energy-Delay Mapping in Energy Efficient Routing (2006)
Bachir, Abdelmalik, Barthel, Dominique, Heusse, Martin, Duda, Andrzej
In traditional approaches to energy efficient routing, a node needs to receive routing messages from all of its neighbors to be able to select the best route. In a previous work, we have proposed a...
A Synthetic Function for Energy-Delay Mapping in Energy Efficient Routing (2006)
Bachir, Abdelmalik, Barthel, Dominique, Heusse, Martin, Duda, Andrzej
In traditional approaches to energy efficient routing, a node needs to receive routing messages from all of its neighbors to be able to select the best route. In a previous work, we have proposed a...
A Synthetic Function for Energy-Delay Mapping in Energy Efficient Routing (2006)
Bachir, Abdelmalik, Barthel, Dominique, Heusse, Martin, Duda, Andrzej
In traditional approaches to energy efficient routing, a node needs to receive routing messages from all of its neighbors to be able to select the best route. In a previous work, we have proposed a...
Performance of wireless LAN access methods in multicell environments (2005)
López Aguilera, Mª Elena, Heusse, Martin, Rousseau, Franck, Duda, Andrzej, Casademont I Serra, Jordi
In this paper, we address the issue of evaluating performance of wireless LANs in multicell scenarios. We try to understand the complex behavior of the DCF (Distributed Coordination Function) access...
Evaluating wireless LAN access methods in presence of transmission errors (2005)
López Aguilera, Mª Elena, Heusse, Martin, Rousseau, Franck, Duda, Andrzej, Casademont I Serra, Jordi
Several modifications of the IEEE 802.11 DCF access method have been proposed recently to improve the performance of wireless LANs. Up to now, such proposals have only been compared under ideal...
Performance of wireless LAN access methods in multicell environments (2005)
López Aguilera, Mª Elena, Heusse, Martin, Rousseau, Franck, Duda, Andrzej, Casademont I Serra, Jordi
In this paper, we address the issue of evaluating performance of wireless LANs in multicell scenarios. We try to understand the complex behavior of the DCF (DistributedCoordination Function) access...
Evaluating wireless LAN access methods in presence of transmission errors (2005)
López Aguilera, Mª Elena, Heusse, Martin, Rousseau, Franck, Duda, Andrzej, Casademont I Serra, Jordi
Several modifications of the IEEE 802.11 DCF access method have been proposed recently to improve the performance of wireless LANs. Up to now, such proposals have only been compared under ideal...
Title: Dynamic and Easily Manageable Approach (2005)
Lina Al-chaal, Netcelo S. A, Planete Project-team, ...
presented and publicly discussed by
Martin Heusse, Franck Rousseau, Romaric Guillier, Andrzej Duda
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably, the MAC layer remains practically unchanged...
Martin Heusse, Franck Rousseau, Romaric Guillier, Andrzej Duda
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably,the MAC layer remains practically unchanged despite...
Performance of wireless LAN access methods in multicell environments (2005)
López Aguilera, Mª Elena, Heusse, Martin, Rousseau, Franck, Duda, Andrzej, Casademont I Serra, Jordi
In this paper, we address the issue of evaluating performance of wireless LANs in multicell scenarios. We try to understand the complex behavior of the DCF (Distributed Coordination Function) access...
Evaluating wireless LAN access methods in presence of transmission errors (2005)
López Aguilera, Mª Elena, Heusse, Martin, Rousseau, Franck, Duda, Andrzej, Casademont I Serra, Jordi
Several modifications of the IEEE 802.11 DCF access method have been proposed recently to improve the performance of wireless LANs. Up to now, such proposals have only been compared under ideal...
Martin Heusse, Franck Rousseau, Romaric Guillier, Andrzej Duda
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably,the MAC layer remains practically unchanged despite...
Modélisation, conception et réalisation de systèmes répartis (2004)
Ce document présente une synthèse des activités autour d'un thème central : informatique répartie. Dans la première partie sont présentés les travaux dans le domaine de l'évaluation de...
Short-Term Fairness of 802.11 Networks with Several Hosts (2004)
Gilles Berger-sabbatel, Andrzej Duda, Martin Heusse, Franck Rousseau
Abstract Previously, we have analyzed the short-term fairness of the 802.11 DCF (Distributed Coordination Function) access method in the case of a network with two hosts. In this paper we extend the...
On Demand Label Switching for Spontaneous Edge Networks (2004)
Vincent Untz, Martin Heusse, Franck Rousseau, Andrzej Duda
We consider the problem of interconnecting hosts in spontaneous edge networks composed of various types of wired or wireless physical and link layer technologies. All or some hosts in a spontaneous...
Performance Anomaly of 802.11b (2003)
Martin Heusse, Franck Rousseau, Gilles Berger-sabbatel, Andrzej Duda
Abstract — We analyze the performance of the IEEE 802.11b wireless local area networks. We have observed that when some mobile hosts use a lower bit rate than the others, the performance of all...
Performance Anomaly of 802.11b (2003)
Martin Heusse, Franck Rousseau, Gilles Berger-sabbatel, Andrzej Duda
Abstract — We analyze the performance of the IEEE 802.11b wireless local area networks. We have observed that when some mobile hosts use a lower bit rate than the others, the performance of all...
Omnisphere: a Personal Communication Environment (2003)
Franck Rousseau, Justinian Oprescu, Laurentiu-sorin Paun, Andrzej Duda
Small ubiquitous devices connected by wireless networks will become future Internet appliances. To support them, communication networks must evolve to seamlessly assist appliances and provide...
Omnisphere: a Personal Communication Environment (2003)
Franck Rousseau, Justinian Oprescu, Laurentiu-sorin Paun, Andrzej Duda
Small ubiquitous devices connected by wireless networks will become future Internet appliances. To support them, communication networks must evolve to seamlessly assist appliances and provide...
Omnisphere: a Personal Communication Environment (2003)
Franck Rousseau, Justinian Oprescu, Laurentiu-sorin Paun, Andrzej Duda
Small ubiquitous devices connected by wireless networks will become future Internet appliances. To support them, communication networks must evolve to seamlessly assist appliances and provide...
Omnisphere: a Personal Communication Environment (2003)
Franck Rousseau Justinian, Franck Rousseau, Justinian Oprescu, Laurentiu-sorin Paun, Andrzej Duda
will become future Internet appliances. To support them, communication networks must evolve to seamlessly assist appliances and provide advanced functionalities. We present a personal communication...
An Active Node Architecture for Proactive Services (2002)
We propose an active nodearchitecture that supports proactive services able to take into account adaptability to varying conditions and exible supervision by the application or the user. Proactive...
Quality of Service and Mobility for the Wireless Internet (2001)
Franck Rousseau, Gilles Berger-sabbatel, Leyla Toumi, Andrzej Duda
Our paper explores the issue of how toprovide appropriate quality of service mechanisms closely integrated with exible mobility management in wireless local area networks. We consider them as access...
User Adaptable Multimedia Presentations for the WWW (1999)
We propose a generic solution for user adaptation of synchronized multimedia presentations. We consider adaptation as a transformation problem: the user specifies a predicate that applied to a...
An Execution Architecture for Synchronized Multimedia Presentations (1998)
Abstract. We have de ned an execution architecture for playing back synchronized multimedia documents. We suppose that such documents are speci ed by means of several abstractions including hypertime...
Efficient Mobile Access to the WWW over GSM (1998)
this paper, we propose an application support for WWW access based on a different paradigm than the previous work: we use mobile agents to delegate all time-consuming operations to the network, in...
An Execution Architecture for Synchronized Multimedia Presentations (1998)
. We have defined an execution architecture for playing back synchronized multimedia documents. We suppose that such documents are specified by means of several abstractions including hypertime...
Efficient Mobile Access to the WWW over GSM (1998)
Xavier Delord, Stéphane Perret, Andrzej Duda
this paper, we propose an application support for WWW access based on a different paradigm than the previous work: we use mobile agents to delegate all time-consuming operations to the network, in...
Block and random copolymers of ε-caprolactone (1998)
Duda, Andrzej, Biela, Tadeusz, Libiszowski, Jan, Penczek, Stanislaw, Dubois, Philippe, Mecerreyes, David, ...
Conditions of the living homopolymerization of epsilon-caprolactone (CL), lactides (LA), and of the homo-oligomerization of gamma-butyrolactone (BL) are briefly described. Then block and random...
Operator based composition of structured multimedia presentations (1997)
Abstract. We are interested in a new class of multimedia presentations that include rich dynamic interactive scenarios. Such scenarios integrate dynamic user control over the ow of presentation,...
Mobile agent architecture for nomadic computing (1997)
Our goal is to de ne a communication architecture for nomadic applications. We notice that the mobile agent paradigm is particularly suitable for nomadic applications. Although many mobile agent...
Operator Based Composition of Structured Multimedia Presentations (1997)
. We are interested in a new class of multimedia presentations that include rich dynamic interactive scenarios. Such scenarios integrate dynamic user control over the flow of presentation, advanced...
Mobile Agent Architecture For Nomadic Computing (1997)
Our goal is to define a communication architecture for nomadic applications. We notice that the mobile agent paradigm is particularly suitable for nomadic applications. Although many mobile agent...
Duda, Andrzej, Penczek, Stanislaw, Dubois, Philippe, Mecerreyes, David, Jérôme, Robert
Copolymerization of γ-butyrolactone (γBL) with ε-caprolactone (εCL) initiated with aluminium isopropoxide trimer ([Al(OiPr)3 ]3, (A3)) is described. Copolymers with molecular weights ( ) up to 3...
MAP: Mobile Assistant Programming for Large Scale Communication Networks (1996)
Stéphane Perret, St Ephane Perret, Andrzej Duda
this paper, we define the Mobile Assistant Programming model (Section 2), present its implementation based on Scheme and WWW (Section 3), discuss related work (Section 4), and outline conclusions...
Interval Expressions - a Functional Model for Interactive Dynamic Multimedia Presentations (1996)
We propose a new model for structured temporal composition of interactive dynamic multimedia presentations. It extends the notion of basic media segments to include executable code, live feeds, and...
MAP: Mobile Assistant Programming for Large Scale Communication Networks (1996)
St'ephane Perret, Andrzej Duda
We have defined a new network programmingmodel called Mobile Assistant Programming (MAP) for development and execution of communication applications in large scale networks of heterogeneous...
A Network Programming Model for Efficient Information Access on the WWW (1996)
. We have defined a network programming model called Mobile Assistant Programming (MAP) that supports the development and execution of applications for efficient information access on the WWW. Mobile...
MAP: Mobile Assistant Programming for Large Scale Communication Networks (1996)
We have defined a new network programming model called Mobile Assistant Programming (MAP) for development and execution of communication applications in large scale networks of heterogeneous...
Ron Weiss, Bienvenido Velez, Mark A. Sheldon, Chanathip Namprempre, Peter Szilagyi, Andrzej Duda, ...
HyPursuit is a new hierarchical network search engine that clusters hypertext documents to structure a given information space for browsing and search activities. Our content-link clustering...
Ron Weiss, Peter Szilagyi, Andrzej Duda, David K. Gifford
ABSTRACT HyPursuit is a new hierarchical network search engine that clusters hypertext documents to structure a given information space for browsing and search activities. Our content-link clustering...
Structured temporal composition of multimedia data (1995)
Abstract. Many existing models for temporal composition of multimedia data are based on the Allen relations [1]. However, the relations are not suitable for composition: they are descriptive (do not...
Discover: A resource discovery system based on content routing (1995)
Mark A. Sheldon, Andrzej Duda, Ron Weiss
Abstract. We have built an HTTP based resource discovery system called Discover that provides a single point of access to over 500 WAIS servers. Discover provides two key services: query re nement...
Discover: A Resource Discovery System based on Content Routing (1995)
Mark Sheldon, Andrzej Duda, Ron Weiss, David K. Gifford
. We have built an HTTP based resource discovery system called Discover that provides a single point of access to over 500 WAIS servers. Discover provides two key services: query refinement and query...
Discover: A Resource Discovery System based on Content Routing (1995)
Mark A. Sheldon, Andrzej Duda, Ron Weiss, David K. Gifford
. We have built an HTTP based resource discovery system called Discover that provides a single point of access to over 500 WAIS servers. Discover provides two key services: query refinement and query...
Structured Temporal Composition of Multimedia Data (1995)
. Many existing models for temporal composition of multimedia data are based on the Allen relations [1]. However, the relations are not suitable for composition: they are descriptive (do not reflect...
Discover: A resource discovery system based on content routing (1995)
Mark A. Sheldon, Andrzej Duda, Ron Weiss
Abstract. We have built an HTTP based resource discovery system called Discover that provides a single point of access to over 500 WAIS servers. Discover provides two key services: query re nement...
Modélisation, conception et réalisation de systèmes répartis (1994)
Ce document présente une synthèse des activités autour d'un thème central : informatique répartie. Dans la première partie sont présentés les travaux dans le domaine de l'évaluation de...
Modélisation, conception et réalisation de systèmes répartis (1994)
Ce document présente une synthèse des activités autour d'un thème central : informatique répartie. Dans la première partie sont présentés les travaux dans le domaine de l'évaluation de...
Modélisation, conception et réalisation de systèmes répartis (1994)
Ce document présente une synthèse des activités autour d'un thème central : informatique répartie. Dans la première partie sont présentés les travaux dans le domaine de l'évaluation de...
Modélisation, conception et réalisation de systèmes répartis (1994)
Ce document présente une synthèse des activités autour d'un thème central : informatique répartie. Dans la première partie sont présentés les travaux dans le domaine de l'évaluation de...
Modélisation, conception et réalisation de systèmes répartis (1994)
Ce document présente une synthèse des activités autour d'un thème central : informatique répartie. Dans la première partie sont présentés les travaux dans le domaine de l'évaluation de...
Modélisation, conception et réalisation de systèmes répartis (1994)
Ce document présente une synthèse des activités autour d'un thème central : informatique répartie. Dans la première partie sont présentés les travaux dans le domaine de l'évaluation de...
Content routing in a network of WAIS servers (1994)
Locating and accessing information in a large distributed system is a difficult problem of growing importance. This paper reports on our experience building and using a prototype system for...
Content-based access to algebraic video (1994)
Andrzej Duda, Ron Weiss, David K. Gifford
Algebraic video uses a set of basic operations on video segments to create a desired video stream. The video algebra consists of operations for combining video segments, temporally organizing video...
Content routing for distributed information servers (1994)
Mark A. Sheldon, Andrzej Duda, Ron Weiss, James W. O'toole
Abstract. We describe a system that provides query based associative access to the contents of distributed information servers. In typical distributed information systems there are so many objects...
Content Routing for Distributed Information Servers (1994)
Mark A. Sheldon, Andrzej Duda, Ron Weiss, James W. O'Toole, David K. Gifford
. We describe a system that provides query based associative access to the contents of distributed information servers. In typical distributed information systems there are so many objects that...
Content routing for distributed information servers (1994)
Mark A. Sheldon, Andrzej Duda, Ron Weiss, James W. O'toole
Abstract. We describe a system that provides query based associative access to the contents of distributed information servers. In typical distributed information systems there are so many objects...
Content routing for distributed information servers (1994)
Mark A. Sheldon, Andrzej Duda, Ron Weiss
1 Introduction The Internet contains over one million hosts that provide file service and other information servers specializing in topics such as news, technical reports, biology, geography, and...
Analysis of Multicast-based Object Replication Strategies in Distributed Systems (1993)
The paper presents an analysis of three object replication strategies based on reliable multicast protocols. A multi-class queueing model is used/or obtaining performance characteristics of each...
A Comparison of Internet Resource Discovery Approaches (1992)
Michael F. Schwartz, Alan Emtage, Brewster Kahle, Mark A. Sheldon, Andrzej Duda, Ron Weiss, ...
[36] Timos Sellis, Nick Roussopoulos, and Christos Faloutsos. The R+-tree: A dynamic index for