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Denial of Service Resilience in Ad Hoc Networks

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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

Joint rate and power control algorithms for wireless networks

Ali H. Sayed

There is a fundamental tradeoff between power consumption, data transmission rates, and congestion levels in a wireless network. These three elements influence the performance of rate and power control strategies, and they need to be coordinated judiciousl ...

IEEE2005

Packet Combining in Sensor Networks

Martin Vetterli, Henri Julien Dubois-Ferrière

This paper presents the Simple Packet Combining (SPaC) error-correction scheme for wireless sensor networks. Nodes buffer corrupt packets, and when two or more corrupt versions of a packet have been received, a packet combining procedure attempts to recove ...

2005

A cross-layer design of wireless ad-hoc networks

We consider a cross-layer design of wireless ad-hoc networks. Traditional networking approaches optimize separately each of the three layers: physical layer, medium access and routing. This may lead to largely suboptimal network designs. In this work, we p ...

EPFL2005

Secure On-Demand Distance Vector Routing in Ad Hoc Networks

Panagiotis Papadimitratos

We address the problem of securing the route discovery in mobile ad hoc networks, proposing a light-weight yet robust routing protocol, the Distance- Vector Secure Routing Protocol (DV-SRP). DV-SRP discovers on-demand multiple routes, which are established ...

2005

A power and rate control algorithm for wireless networks with state-delayed dynamics

Ali H. Sayed

A robust algorithm is developed for jointly controlling the power and rate of flow in a distributed wireless network. The dynamics of the network is modelled as a discrete-time state-delayed system with uncertainties and the proposed algorithm achieves bet ...

2004

Self-Policing Mobile Ad-hoc Networks

Jean-Yves Le Boudec, Sonja Buchegger

Misbehavior in mobile ad-hoc networks occurs for several reasons. Selfish nodes misbehave to save power or to improve their access to service relative to others. Malicious intentions result in misbehavior as exemplified by denial of service attacks. Faulty ...

CRC Press2004

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

Equilibrium Analysis of Packet Forwarding Strategies in Wireless Ad Hoc Networks - the Static Case

Jean-Pierre Hubaux, Mark Felegyhazi, Levente Buttyan

In multi-hop wireless networks, every node is expected to forward packets for the benefit of other nodes. Yet, if each node is its own authority, then it may selfishly deny packet forwarding in order to save its own resources. Some researchers have propose ...

2003

Equilibrium Analysis of Packet Forwarding Strategies in Wireless Ad Hoc Networks - the Static Case (extended version)

Jean-Pierre Hubaux, Mark Felegyhazi, Levente Buttyan

2003