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Space-Time Coding for Broadband Wireless Transmission

Publications associées (61)

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Non-volatile data storage medium and system

Martin Vetterli, Yves Bellouard, Ruben Ricca

A data storage medium (2) comprising a stacked plurality of layers (9), each layer composed of a layer material selected from a group comprising at least two different dielectric materials, adjacent layers being formed of different materials, and at least ...

2023

Reliable and Robust Cyber-Physical Systems for Real-Time Control of Electric Grids

Wajeb Saab

Real-time control of electric grids is a novel approach to handling the increasing penetration of distributed and volatile energy generation brought about by renewables. Such control occurs in cyber-physical systems (CPSs), in which software agents maintai ...

EPFL2019

Measuring the Security of Website Fingerprinting Defences

Website fingerprinting (WF) attacks can compromise a user’s online privacy, by learning network traffic patterns generated by websites through machine learning (ML) techniques. Such attacks remain unaffected by encryption and even defeat anonymity services ...

2019

[POSTER] Double Reality: Shifting the Gaze Between the Physical Object and Its Digital Representation

Pierre Dillenbourg, Lorenzo Lucignano

We present an eye-tracking study centered on the shift of focus from digital to physical layer in case of a handheld magic-lens system. In particular, we investigate which variables might affect the occurrence of such events. The experiment involved 35 par ...

2017

Transparency Instead of Neutrality

Adrian Perrig, Christos Pappas

The technical community has so far defined network neutrality in terms of specific mechanisms, e.g., policing or shaping. We argue that these definitions are problematic: according to them, a non-neutral network may be preferable (for all users) to a neutr ...

2015

Hiding Information in Multiple Level-line Moirés

Roger Hersch, Thomas Walger

Secure documents often comprise an information layer that is hard to reproduce. Moiré techniques for the prevention of counterfeiting rely on the superposition of an array of transparent lines or microlenses on top of a base layer containing hidden informa ...

2015

Analysis of Quantized Electrical Characteristics of Microscale TiO2 Ink-Jet Printed Memristor

Heinrich Hofmann, Marijana Mionic Ebersold, Goran Stojanovic

We demonstrate the ink-jet printed fabrication technique for TiO2-based memristor, followed by detailed analysis of electrical characteristics and development of a new model that considers observed phenomena of quantized conductance steps. The existence of ...

Institute of Electrical and Electronics Engineers2015

On Multi-Dimensional Privacy in Context-Aware Mobile Networks

Igor Bilogrevic

By the end of 2013, the number of internet-connected mobile devices is expected to exceed that of humans. Omnipresent and context-aware, mobile devices enable people to communicate and exchange data anytime and almost anywhere. The myriad of ”digital footp ...

EPFL2014

Design and Characterization of a Full-Duplex Multiantenna System for WiFi Networks

Vaneet Aggarwal

In this paper, we present an experiment-and simulation-based study to evaluate the use of full duplex (FD) as a potential mode in practical IEEE 802.11 networks. To enable the study, we designed a 20-MHz multiantenna orthogonal frequency-division-multiplex ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Uplink Resource Management for Multiuser OFDM Video Transmission Systems: Analysis and Algorithm Design

Laura Toni

We consider a multiuser OFDM system in which users want to transmit videos via a base station. The base station knows the channel state information (CSI) as well as the rate distortion (RD) information of the video streams and tries to allocate power and s ...

Institute of Electrical and Electronics Engineers2013