Search results for "mobile"

Universally Designed Beacon-Assisted Indoor Navigation for Emergency Evacuations

2019

International audience; The United Nations (UN) Convention on the Rights of Persons with Disabilities (CRPD) obligates national governments to ensure the protection and safety of persons with disabilities in emergency situations. This article examines the application and accessibility of state-of-the-art ICT solutions in emergency situations. Research has indeed shown that the design and implementation of evacuation procedures in emergency situations play a critical role in ensuring personal safety and protection. While research has examined the experiences of persons including persons with disabilities in emergency situations, research has yet to examine fully the role that cutting-edge in…

Lecture Notes in Real-Time Intelligent Systems

2018

Intelligent computing refers greatly to artificial intelligence with the aim at making computer to act as a human. This newly developed area of real-time intelligent computing integrates the aspect of dynamic environments with the human intelligence. This book presents a comprehensive practical and easy to read account which describes current state-of-the art in designing and implementing real-time intelligent computing to robotics, alert systems, IoT, remote access control, multi-agent systems, networking, mobile smart systems, crowd sourcing, broadband systems, cloud computing, streaming data and many other applications areas. The solutions discussed in this book will encourage the resear…

Protection against reverse engineering in ARM

2020

With the advent of the mobile industry, we face new security challenges. ARM architecture is deployed in most mobile phones, homeland security, IoT, autonomous cars and other industries, providing a hypervisor API (via virtualization extension technology). To research the applicability of this virtualization technology for security in this platform is an interesting endeavor. The hypervisor API is an addition available for some ARMv7-a and is available with any ARMv8-a processor. Some ARM platforms also offer TrustZone, which is a separate exception level designed for trusted computing. However, TrustZone may not be available to engineers as some vendors lock it. We present a method of appl…

Affaire Halimi. Un arrêt stupéfiant

2021

Le 14 avril 2021, dans l'arret Halimi, la Chambre criminelle de la Cour de cassation declare irresponsable penalement le toxicomane, pris d'une bouffee delirante, qui a defenestre sa victime, anime par des mobiles antisemites. L'arret vient trancher un debat ouvert de longue date en consacrant l'indifference a la faute anterieure de l'agent pour apprecier l'abolition du discernement. Les motifs qui ont conduit a cette decision controversee ne se trouvent pas tant dans l'arret, mais dans la litterature abondante qui l'a accompagne.

Un circuit automobile au cœur d’une métropole ? Les Circuiti et Gran Premi du Valentino (1935-1955)

2022

De 1935 à 1955 sont disputées de manière intermittente dans le parc du Valentino, des courses de monoplaces qui prennent le nom de « Circuit » ou de « Grand Prix ». Dans la cité de l’automobile, la compétition prend des significations différentes : vitrine du culte de la vitesse fasciste et du passé glorieux de Turin en 1935 et 1937, symbole de la renaissance de l’Italie républicaine et du rapprochement de la France en 1946, 1947 et 1948, manifestation du désir de mobilité automobile en 1952 et 1955. L’organisation d’une course au sein du poumon vert d’une métropole constitue aussi un défi : celui de l’ordre public, de la sécurité, des dégradations, du couvert végétal. Aussi, même si la cou…

Is the French mobile phone cartel really a cartel?

2009

International audience; France Telecom (FT), SFR and Bouygues Telecom (BT) have been fined by France's Conseil de la Concurrence (CC) for organizing a mobile phone cartel with stable market shares (one-half, one-third and one-sixth, respectively) and for directly exchanging commercial information. While not contesting the legal decision, it is argued here that the economic reasoning is flawed. (1) As the CC made much of the firms' stable market shares, we have first followed this line of reasoning by considering that the market shares are quotas under uniform costs. Even if there is a general incentive to form a monopolistic cartel, BT was too small for it to be worth its while to join it; it i…

A Simulation-based Performance Evaluation of Heuristics for Dew Computing

2021

A Task Execution Scheme for Dew Computing with State-of-the-Art Smartphones

2021

The computing resources of today’s smartphones are underutilized most of the time. Using these resources could be highly beneficial in edge computing and fog computing contexts, for example, to support urban services for citizens. However, new challenges, especially regarding job scheduling, arise. Smartphones may form ad hoc networks, but individual devices highly differ in computational capabilities and (tolerable) energy usage. We take into account these particularities to validate a task execution scheme that relies on the computing power that clusters of mobile devices could provide. In this paper, we expand the study of several practical heuristics for job scheduling including executi…

Towards a layer-less network architecture — A case from Wireless Sensor Networks

2011

Ad hoc and Wireless Sensor Networks (WSNs) form a challenging domain for existing network protocols and paradigms to fit into. The traditional models conceived for wired networking and adapted for wireless and mobile environments provide an inefficient and ungraceful outcome when exercised against highly dynamic and highly mobile nature of ad hoc wireless sensor networks. Efforts are being made to tweak existing (and sometimes create from scratch) principles and models that can provide a concrete framework for such newer paradigms. The momentum of the traditional layered architecture carried over from the wired networks to infrastructure based wireless networks pushes the same approaches as…

A Multisensor Proposal for Wireless Sensor Networks

2008

Every sensor node in a wireless sensor network (WSN) has a microcontroller, a transmitter/receiver and a sensor. It is able to acquire data from specific point in a real environment and transmit it through the WSN. Sometimes it is useful to gather different type of data from the same place in order to obtain a final result. In the related literature, very few works are about sensing different parameters using a unique sensor. In this paper we propose a Wireless IP multisensor that is able to gather several types of data from the environment and transmit the result of their combination. Our proposal decision has being mainly based on its development costs, its expansion capacity and its flex…