Publications associées à A Cross-Layer Design Approach to Enhance 802.15.4

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Fire Detection and Localization Using Wireless Sensor Networks

Martin Hasler, Alireza Khadivi

A Wireless Sensor Network (WSN) is a network of usually a large number of small sensor nodes that are wirelessly connected to each other in order to remotely monitor an environment or phenomena. Sensor nodes use the data aggregation method as an effective ...

Springer2010

Fire Detection and Localization Using Wireless Sensor Networks

Martin Hasler, Alireza Khadivi

Springer, 233 Spring Street, New York, Ny 10013, United States2010

Stretching BFT

Rachid Guerraoui, Marko Vukolic, Nikola Knezevic

State-of-the-art BFT protocols remain far from the maximum theoretical throughput. Based on exhaustive eval- uation and monitoring of existing BFT protocols, we highlight few impediments to their scaling. These include the use of IP multicast, the presence ...

2010

Self-Organization Properties of CSMA/CA Systems and Their Consequences on Fairness

Patrick Thiran, Olivier Dousse, Mathilde Durvy

Decentralized medium access control schemes for wireless networks based on CSMA/CA, such as the IEEE 802.11 protocol, are known to be unfair. In multihop networks, they can even favor some links to such an extent that the others suffer from virtually compl ...

Institute of Electrical and Electronics Engineers2009

Neighborhood Gossip: Concurrent Averaging through Local Interference

Michael Christoph Gastpar

In this paper, we study a gossip algorithm for distributed averaging over a wireless sensor network. The usual assumption is that, through properly chosen codes, the physical layer is reduced to a set of reliable bit pipes for the distributed averaging alg ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Potentials of Opportunistic Routing in Energy-Constrained Wireless Sensor Networks

Martin Vetterli, François Ingelrest

The low quality of wireless links leads to perpetual packet losses. While an acknowledgment mechanism is generally used to cope with these losses, multiple retransmissions nevertheless occur. Opportunistic routing limits these retransmissions by taking adv ...

Springer Berlin / Heidelberg2009

On the Fairness of Large CSMA Networks

Patrick Thiran, Olivier Dousse, Mathilde Durvy

We characterize the fairness of decentralized medium access control protocols based on CSMA/CA, such as IEEE 802.11, in large multi-hop wireless networks. In particular, we show that the widely observed unfairness of the protocol in small network topologie ...

Institute of Electrical and Electronics Engineers2009

An Analytical Model for the Contention Access Period of the Slotted IEEE 802.15.4 with Service Differentiation

Giovanni De Micheli, Nadia Khaled, Eugène David Ngangue Ndih

The IEEE 802.15.4 standard is poised to become the global standard for low data rate, low energy consumption wireless sensor networks (WSN). By assigning the same sets of contention access parameters for all data frames and nodes, the contention access per ...

2009

A Cross-Layer Design Approach to Enhance 802.15.4

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Fire Detection and Localization Using Wireless Sensor Networks

Fire Detection and Localization Using Wireless Sensor Networks

Stretching BFT

Information-theoretic secrecy for wireless networks

Self-Organization Properties of CSMA/CA Systems and Their Consequences on Fairness

Cooperative coding on orthogonal information networks

Neighborhood Gossip: Concurrent Averaging through Local Interference

Potentials of Opportunistic Routing in Energy-Constrained Wireless Sensor Networks

On the Fairness of Large CSMA Networks

An Analytical Model for the Contention Access Period of the Slotted IEEE 802.15.4 with Service Differentiation

Self-Organization Properties of CSMA/CA Systems and Their Consequences on Fairness

Neighborhood Gossip: Concurrent Averaging through Local Interference

Information-theoretic secrecy for wireless networks

Potentials of Opportunistic Routing in Energy-Constrained Wireless Sensor Networks

Cooperative coding on orthogonal information networks

On the Fairness of Large CSMA Networks

An Analytical Model for the Contention Access Period of the Slotted IEEE 802.15.4 with Service Differentiation

Stretching BFT

Fire Detection and Localization Using Wireless Sensor Networks

Fire Detection and Localization Using Wireless Sensor Networks