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Maximum Throughput Gain of Compute-and-Forward for Multiple Unicast

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Asymptotic properties of wireless multi-hop networks

Olivier Dousse

In this dissertation, we consider wireless multi-hop networks, where the nodes are randomly placed. We are particularly interested in their asymptotic properties when the number of nodes tends to infinity. We use percolation theory as our main tool of anal ...

EPFL2005

Synchronizing Method for Impulse Radio Network

Jean-Yves Le Boudec, Alaeddine El Fawal

In IR (Impulse Radio) network, the conventional synchronization (also called signal acquisition) method becomes inefficient and results in a certain failure of synchronization when concurrent transmissions are allowed without controlling their powers. The ...

2005

Synchronizing Method for Impulse Radio Network

Jean-Yves Le Boudec, Alaeddine El Fawal

2005

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

On the Throughput of Ad-Hoc Networks using Connectivity Graphs

Christina Fragouli

In this paper we propose a set of necessary and sufficient conditions under which the throughput in an ad-hoc network can remain constant as the number of nodes n increases. Throughput refers to the minimum achievable rate between a source-destination pair ...

2004

A Lower Bound for Broadcasting in Mobile Ad Hoc Networks

André Schiper, David Cavin, Yoav Sasson

We give a lower bound of

\Omega(n)

rounds for broadcasting in a mobile ad hoc network, where

n

is the number of nodes in the network. A round is the time taken by a node to successfully transmit a message to all its neighbors. It has been shown by Brus ...

2004

Connectivity vs Capacity in Dense Ad Hoc Networks

Patrick Thiran, Olivier Dousse

We study the connectivity and capacity of finite area ad hoc wireless networks, with an increasing number of nodes (dense networks). We find that the properties of the network strongly depend on the shape of the attenuation function. For power law attenuat ...

2004

Scalable position-based multicast for mobile ad-hoc networks

Jörg Widmer

In this paper we present Scalable Position-Based Multicast (SPBM), a multicast routing protocol for ad-hoc networks. SPBM uses the geographic position of nodes to provide a highly scalable group membership scheme and to forward data packets with a very low ...

2004

PILOT: ProbabilistIc Lightweight grOup communication sysTem for Mobile Ad Hoc Networks

Jean-Pierre Hubaux, Jun Luo, Patrick Eugster

Providing reliable group communication is an ever recurring issue in distributed settings. In mobile ad hoc networks, this issue becomes more significant since all nodes act as peers, while the issue gets even more challenging due to highly dynamic and unp ...

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

A Lower Bound for Broadcasting in Mobile Ad Hoc Networks

André Schiper, David Cavin, Yoav Sasson

We give a lower bound of

\Omega(n)

rounds for broadcasting in a mobile ad hoc network, where

n

is the number of nodes in the network. A round is the time taken by a node to successfully transmit a message to all its neighbors. It has been shown by Brus ...

2004