Concept

Wireless ad hoc network

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Energy Efficient Collaborative Beamforming in Wireless Sensor Networks

Energy efficiency is a major design issue in the context of Wireless Sensor Networks (WSN). If the acquired data is to be sent to a far-away base station, collaborative beamforming performed by the sensors may help to distribute the communication load amon ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Methods and Apparatus for Data Security in Mobile Ad Hoc Networks

Hamza Harkous, Valtteri Niemi

Systems and techniques for key management in mobile ad hoc networks are described. Pseudonyms are defined for group members of mobile ad hoc networks such that a pseudonym in a message can be deterministically identified with the sending device only by the ...

2014

Probing the network. Architecturality of Wireless Infrastructure

Selena Savic

Mobile devices and wireless networks have a prominent place in our interaction with the environment and with each other. Like every new technology, it has been a subject to inflated expectations. Scholars, writers, artists and architects have explored how ...

ACM2014

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

Small antennas as wireless system components

Nuno Miguel Faria Pires

Small antennas, or more specifically, electrically small antennas, are passive radiating elements whose size is much smaller than the operating wavelength. The current wireless application systems usually have size constraints that, for the most common ope ...

EPFL2014

Network Neutrality Inference

Ovidiu Sebastian Mara, Zhiyong Zhang

When can we reason about the neutrality of a network based on external observations? We prove conditions under which it is possible to (a) detect neutrality violations and (b) localize them to specific links, based on external observations. Our insight is ...

2014

Network Neutrality Inference

Ovidiu Sebastian Mara, Zhiyong Zhang

2014

Social-Aware Coordination of Multi-robot Systems Based on Institutions

Alcherio Martinoli, José Nuno Ferreira Maia Pereira

Institutional robotics (IR) is an approach to the coordination of multi-robot systems that draws inspiration from social sciences, namely from institutional economics. Using the concept of institution, it aims to provide a comprehensive strategy for specif ...

Springer International Publishing2014

On the probability of extinction of the Haiti cholera epidemic

Andrea Rinaldo, Enrico Bertuzzo, Lorenzo Mari, Flavio Finger, Marino Gatto

Nearly 3 years after its appearance in Haiti, cholera has already exacted more than 8,200 deaths and 670,000 reported cases and it is feared to become endemic. However, no clear evidence of a stable environmental reservoir of pathogenic Vibrio cholerae, th ...

2014

Wireless Multi-hop Networks Beyond Capacity

Patrick Thiran, Adel Aziz

Wireless multi-hop local area networks use in general scheduling schemes that assume the network capacity to be known. Indeed in most of the throughput-optimal algorithms the sources are assumed to send at a rate within the capacity region. However, measur ...

IEEE2013