Publications associées à On the Broadcast Capacity of Wireless Networks With Cooperative Relays

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Triangle Network Secrecy

Christina Fragouli, Suhas Diggavi, László Czap, Vinod Malathidevi Prabhakaran

We characterize the secret message capacity of the triangle network, that consists of a source, a relay and a destination connected through orthogonal erasure channels. A passive eavesdropper, Eve, wiretaps any one of the three channels. The source and the ...

Ieee2014

Cooperative Relaying at Finite SNR-Role of Quantize-Map-and-Forward

Christina Fragouli, Ayan Sengupta, I-Hsiang Wang

This paper contributes to the design and analysis of Quantize-Map-and-Forward (QMF) relaying by optimizing its performance for small relay networks. QMF was proved to achieve the capacity of arbitrary networks within a bounded gap, as well as the optimal d ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Creating Secrets out of Erasures

Christina Fragouli, Suhas Diggavi, Panagiotis Kostopoulos

Current security systems often rely on the adversary's computational limitations. Wireless networks offer the opportunity for a different, complementary kind of security, which relies on the adversary's limited network presence (i.e., that the adversary ca ...

2013

Exchanging Pairwise Secrets Efficiently

Christina Fragouli, Suhas Diggavi, Iris Safaka

We consider the problem where a group of wireless nodes, connected to the same broadcast domain, want to create pairwise secrets, in the presence of an adversary Eve, who tries to listen in and steal these secrets. Existing solutions assume that Eve cannot ...

Institute of Electrical and Electronics Engineers Inc.2013

Selfish Response to Epidemic Propagation

Jean-Yves Le Boudec, Georgios Theodorakopoulos

An epidemic spreading in a network calls for a decision on the part of the network members: They should decide whether to protect themselves or not. Their decision depends on the trade-off between their perceived risk of being infected and the cost of bein ...

Institute of Electrical and Electronics Engineers2013

Tracking Individuals Shows Spatial Fidelity Is a Key Regulator of Ant Social Organization

Alessandro Crespi

Ants live in organized societies with a marked division of labor among workers, but little is known about how this division of labor is generated. We used a tracking system to continuously monitor individually tagged workers in six colonies of the ant Camp ...

Amer Assoc Advancement Science2013

Network Coding with Computation Alignment

Michael Christoph Gastpar, Naveen Goela

Determining the capacity of multi-receiver networks with arbitrary message demands is an open problem in the network coding literature. In this paper, we consider a multi-source, multi-receiver symmetric deterministic network model parameterized by channel ...

Ieee2012

Implementation of a Wireless Mesh Network of Ultra Light MAVs with Dynamic Routing

Dario Floreano, Bixio Rimoldi, Jean-Christophe Zufferey, Alberto Jimenez Pacheco, Yannick Gasser

This paper describes the implementation and characterisation of a mobile ad-hoc network (MANET) of ultra-light intelligent flying robots. The flying nature of the network makes it suitable to collect or disseminate content in urban areas or challenging ter ...

2012

On the Broadcast Capacity of Wireless Networks With Cooperative Relays

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Triangle Network Secrecy

Cooperative Relaying at Finite SNR-Role of Quantize-Map-and-Forward

Creating Secrets out of Erasures

Exchanging Pairwise Secrets Efficiently

Is the Network Turing-Complete?

Selfish Response to Epidemic Propagation

Diffusion LMS strategies for parameter estimation over fading wireless channels

Tracking Individuals Shows Spatial Fidelity Is a Key Regulator of Ant Social Organization

Network Coding with Computation Alignment

Implementation of a Wireless Mesh Network of Ultra Light MAVs with Dynamic Routing

Triangle Network Secrecy

Selfish Response to Epidemic Propagation

Is the Network Turing-Complete?

Cooperative Relaying at Finite SNR-Role of Quantize-Map-and-Forward

Diffusion LMS strategies for parameter estimation over fading wireless channels

Tracking Individuals Shows Spatial Fidelity Is a Key Regulator of Ant Social Organization

Creating Secrets out of Erasures

Exchanging Pairwise Secrets Efficiently

Network Coding with Computation Alignment

Implementation of a Wireless Mesh Network of Ultra Light MAVs with Dynamic Routing