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International Conference on advanced Communication systems and Information Security (ACOSIS)

作者： Arfaoui, Imen Boudriga, Noureddine Trimeche, Khalifa Univ Carthage CNAS Commun Networks & Secur Res Lab Tunis Tunisia Univ Tunis El Manar Fac Sci Tunis Tunis Tunisia

ISBN: (纸本)9781509062270

The use of wireless sensor networks (WSNs) based surveillance applications to detect intruders requires accurate methods for monitoring, tracking the trajectories of intruders, and energy consumption of sensors. In this paper, we propose a model to formally define the monitoring WSN lifetime based on the intruder's behavior. We address the problem of designing and analyzing of the crossing strategies of the border crossings with a priori knowledge of their arrival rate using WSN. We focus on two crossing strategies;namely, the orthogonal and progressive crossing strategy. Given a monitored area considered as the union of multi-thick lines architecture, we propose a deployment scheme of sensors to ensure good detection for both strategies and present a method to compute and compare their network lifetime upon. Some numerical simulation results are collected to analyze the related performance.

关键词： Wireless sensor Networks Country border surveillance network lifetime

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WiFACT - Wireless Fingerprinting Automated Continuous Training 30

WiFACT - Wireless Fingerprinting Automated Continuous Traini...

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30th IEEE International Conference on advanced Information Networking and applications (IEEE AINA)

作者： Balzano, Walter Murano, Aniello Vitale, Fabio Univ Naples Federico II Dipartimento Ingn Elettr & Tecnol Informaz Naples Italy

ISBN: (纸本)9781509024612

The increasing importance in ubiquitous computing and context-dependent information has led in the last years to a growing interest in location-based applications and services. A considerable market demand concentrates on indoor localization tasks. In this setting, WiFi fingerprinting is currently one of the most popular and widespread techniques as it provides reasonable positioning accuracy while being able to exploit, at the same time, existing wireless infrastructures. WiFi-fingerprinting systems mainly operate though two distinct phases: one initial, named training, in which signals are collected and one subsequent, named usage, in which the recorded data are used to localize users. While the usage phase is fast and effective, the training phase is time consuming. Moreover, to maintain a localization accuracy, the training needs to be repeated anytime the network structure changes. The latter may occur, for example, if an access point goes off-line or it is (re) moved. In this paper, we propose a novel framework that allows for an automatic and continuous training in WiFi-fingerprinting systems, which is based on an opportune deployment of a WSN (Wireless sensor Network). Precisely, the solution we propose allows for an efficient real-time updating of the database collecting the signals, without any human intervention.

关键词： WiFi fingerprinting indoor localization

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The Internet of Speaking Things and Its applications to Cultural Heritage

The Internet of Speaking Things and Its Applications to Cult...

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International Conference on Internet of Things and Big Data (IoTBD)

作者： Marulli, Fiammetta Pareschi, Remo Baldacci, Daniele Univ Naples Federico II DIETI Via Claudio 21 Naples Italy Univ Molise Dept BioSci & Terr Pesche IS Italy Olosproject Ltd 7 St Johns Rd Harrows Middx England

ISBN: (纸本)9789897581830

The initial driver for the development of an Internet of Things (IoT) was to provide an infrastructure capable of turning anything into a sensor that acquires and pours data into the cloud, where they can be aggregated with other data and analysed to extract decision-supportive information. The validity of this initial motivation still stands. However, going in the opposite direction is at least as useful and exciting, by exploiting Internet to make things communicate and speak, thus complementing their capability to sense and listen. In this work we present applications of IoT aimed to support the Cultural Heritage environments, but also suitable for Tourism and Smart Urban environments, that advance the available user-experience based on smart devices via the interaction with speaking things. In the first place we describe a system architecture for speaking things, comprehensive of the basic communication protocols for carrying information to the user as well as of higher-level functionalities for content generation and dialogue management. We then show how this architecture is applied to make artworks speak to people. Finally, we introduce speaking holograms as a yet more advanced and interactive application.

关键词： Internet of Things Cultural Heritage Multimedia Content Processing advanced Human Computer Interaction Smart Environments Holographic Simulations Speech Recognition Natural Language Processing

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An Evaluation Methodology for VANET applications Combining Simulation and Multi-sensor Experiments 2

An Evaluation Methodology for VANET Applications Combining S...

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International Conference on Vehicle Technology and Intelligent Transport systems (VEHITS)

作者： Seydel, Dominique Bittl, Sebastian Pfeiffer, Jakob Jiru, Josef Beckmann, Hanno Frankl, Kathrin Eissfeller, Bernd Fraunhofer Inst Embedded Syst & Commun Technol ES Munich Germany Bundeswehr Univ Munich Munich Germany

ISBN: (纸本)9789897581854

Wireless vehicular networks are in the wake of mass deployment both in Europe and the USA. These networks introduce a new promising source of information about vehicular environments usable by cooperative advanced driver assistance systems (ADAS). However, development and evaluation of such ADAS is still challenging. Thus, we propose a methodology for their development and evaluation process. It is applied to evaluate the fulfillment of requirements on position accuracy information within the communicated data sets. Accuracy requirements are only roughly defined and not sufficiently evaluated in real world environments. This holds especially for GNSS (Global Navigation Satellite systems) optimized for maximum integrity of obtained positions, which is required for safety critical ADAS to increase robustness and reliability. Our main goal is to determine whether position accuracy provided by GNSS is sufficient for cooperative ADAS. Thereby, we find that pure GNSS input cannot fulfill position accuracy requirements in most test cases.

关键词： VANET ETSI ITS ADAS Positioning GNSS Evaluation Simulation

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WiFACT -- Wireless Fingerprinting Automated Continuous Training

WiFACT -- Wireless Fingerprinting Automated Continuous Train...

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International Conference on advanced Information Networking and applications Workshops (AINAW)

作者： Walter Balzano Aniello Murano Fabio Vitale Dipartimento di Ingegneria Elettrica e Tecnologie dell'Informazione Università degli Studi di Napoli Federico II

The increasing importance in ubiquitous computing and context-dependent information has led in the last years to a growing interest in location-based applications and services. A considerable market demand concentrates on indoor localization tasks. In this setting, WiFi fingerprinting is currently one of the most popular and widespread techniques as it provides reasonable positioning accuracy while being able to exploit, at the same time, existing wireless infrastructures. WiFi-fingerprinting systems mainly operate though two distinct phases: one initial, named training, in which signals are collected and one subsequent, named usage, in which the recorded data are used to localize users. While the usage phase is fast and effective, the training phase is time consuming. Moreover, to maintain a localization accuracy, the training needs to be repeated anytime the network structure changes. The latter may occur, for example, if an access point goes off-line or it is removed. In this paper, we propose a novel framework that allows for an automatic and continuous training in WiFi-fingerprinting systems, which is based on an opportune deployment of a WSN(Wireless sensor Network). Precisely, the solution we propose allows for an efficient real-time updating of the database collecting the signals, without any human intervention.

关键词： Wireless sensor networks Training IEEE 802.11 Standard Databases Wireless communication Fingerprint recognition ZigBee

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The Use of Smartphones as a Smart sensor for Intelligent Vehicles

The Use of Smartphones as a Smart Sensor for Intelligent Veh...

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IEEE Latin American Robotics Symposium, LARS

作者： Geraldo Luciano De Carvalho Neto Danilo Alves De Lima Arthur De Miranda Neto Terrestrial Mobility Lab. Fed. Univ. of Lavras Lavras MG BR

ISBN: (纸本)9781509036578

advanced Driver Assistance systems (ADAS) are electronic systems, present on modern vehicles, which enhance the road safety by providing assistance on the driving act. These systems are usually associated with semi-autonomous and expensive vehicles. Oppositely, yet affordable, modern smartphones, endowed with an operating system, are capable of providing a high computational power allied to multiple embedded sensors and wireless connection capabilities. Hence, these devices are a convenient and practical platform to use as a smart sensor and driving assistance for intelligent vehicles. This paper presents two of the broad range of practical applications that regards this approach: I) A vehicle data recorder and ii) A road segmentation application. Furthermore, other applications are going to be discussed.

关键词： Vehicles Roads Smart phones Image segmentation Image color analysis Intelligent sensors

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Energy Efficient Scheduling of Fine-Granularity Tasks in a sensor Cloud 20th

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20th International Conference on Database systems for advanced applications (DASFAA)

作者： Dalvi, Rashmi . Madria, Sanjay Kumar Misouri Univ Sci & Technol Dept Comp Sci Rolla MO 65401 USA

ISBN: (纸本)9783319181233;9783319181226

Wireless sensor Networks (WSNs) are frequently used in number of applications like unattended environmental monitoring. WSNs have low battery power hence schemes have been proposed to reduce the energy consumption during sensor task processing. Consider a sensor Cloud where owners of heterogeneous WSNs come together to offer sensing as a service to the users of multiple applications. In a sensor Cloud environment, it is important to manage different types of tasks requests from multiple applications efficiently. In our work, we have proposed a scheduling scheme suitable for the multiple applications in a sensor Cloud. The scheduling scheme proposed is based on TDMA which considers the fine granularity of tasks. In our performance evaluation, we show that the proposed scheme saves energy of sensors and provides better throughput and response time in comparison to a most recent work.

关键词： Wireless sensor networks

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Evaluation of cerium doped tin oxide nanoparticles as a sensitive sensor for selective detection and extraction of cobalt

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PHYSICA E-LOW-DIMENSIONAL systems & NANOSTRUCTURES 2015年 70卷 203-209页

作者： Khan, Sher Bahadar Asiri, Abdullah M. Rahman, Mohammed M. Marwani, Hadi M. Alamry, Khalid A. King Abdulaziz Univ Ctr Excellence Adv Mat Res CEAMR Jeddah 21589 Saudi Arabia King Abdulaziz Univ Fac Sci Dept Chem Jeddah 21589 Saudi Arabia

Chemo-sensor technology demands to design a single, preconcentrator based sensing system having higher sensitivity, sufficient selectivity and efficient removal of metal ions with simple operating and recognition methodology. Here we effectively deliberated Ce doped SnO2 nanoparticles based sensing system which can be exploited for the recognition and extraction of Co(ii) ions in a single step by strong interaction between Ce doped SnO2 nanoparticles and Co(ii). The sensing ability of Ce doped SnO2 nanoparticles were deliberated for a selective removal of cobalt using inductively coupled plasma-optical emission spectrometry. The sensing ability of Ce doped SnO2 is studied for various metal ions, such as Cd(ii), Co(ii), Cr(iiI), Cu(ii), Fe(iiI), Ni(ii) and Zn(ii) but the designed sensor was most selective toward Co(ii) which was 5000 time more sensitive to Co(ii) rather than different interfering metal ions. In addition, the desorption study for regeneration of Ce doped SnO2 nanoparticles was carried out This novel approach provides a new route for simultaneous detection and removal of Co(ii) in a single step and can be a time and cost alternative tool for environmental safety. (C) 2015 Elsevier B.V. All rights reserved.

关键词： Ce doped SnO2 Nanoparticle Co(ii) sensor Water treatment Environmental applications

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Vehicle to Vehicle GeoNetworking using Wireless sensor Networks

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AD HOC NETWORKS 2015年第Apr.期27卷 133-146页

作者： Anaya, Jose J. Talavera, Edgar Jimenez, Felipe Serradilla, Francisco Naranjo, Jose E. Univ Inst Automobile Res INSIA Madrid 28031 Spain

Vehicular communications will be the next quality step in the development of automotive technologies. Defining these communications is currently in the final step of development, the focus being on standardization and field tests of network devices and advanced Driver Assistance systems. However, some issues regarding vehicular communications that require a specific research effort are still open and represent a challenge if the technology is to be ultimately implemented and marketed. One of these challenges is to develop effective GeoNetworking in vehicular communications. This concept means that the Vehicle Adhoc NETwork (VANET) data package transmission is organized according to the topographical location of the different network nodes (vehicles), with the data flow being organized optimally so as to cover the surroundings of each vehicle. The core of this GeoNetworking system is the GeoRouting algorithm that supports the optimal routing of the data packages and reorganizes the network structure in accordance with the positions of the nodes. In this paper we present a novel GeoRouting algorithm for unicast communications, based on the evolution of the previous results of vehicular mesh networks using IEEE 802.15.4 Wireless sensor Networks (WSN) technology. This algorithm has been designed, implemented and validated under controlled conditions and tested in real vehicles on real roads with free-flow traffic. The results suggest that the features of this routing algorithm can be inserted into any vehicular architecture to provide functioning GeoNetworking that will support a wide range of advanced Driving Assistance System (ADAS) applications. (C) 2014 Elsevier B.V. All rights reserved.

关键词： Wireless sensor Networks V2V communications GeoNetworking Cooperative systems Intelligent Transportation systems

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advanced computational sensors technology: Testing and evaluation in visible, SWIR, and LWIR Imaging 2

Advanced computational sensors technology: Testing and evalu...

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Conference on Image Sensing Technologies - Materials, Devices, systems, and applications ii

作者： Rizk, Charbel G. Wilson, John P. Pouliquen, Philippe Johns Hopkins Univ Appl Phys Lab Laurel MD 20723 USA Johns Hopkins Univ Dept Elect & Comp Engn Baltimore MD 21218 USA

ISBN: (纸本)9781628415971

The advanced Computational sensors Team at the Johns Hopkins University Applied Physics Laboratory and the Johns Hopkins University Department of Electrical and Computer Engineering has been developing advanced readout integrated circuit (ROIC) technology for more than 10 years with a particular focus on the key challenges of dynamic range, sampling rate, system interface and bandwidth, and detector materials or band dependencies. Because the pixel array offers parallel sampling by default, the team successfully demonstrated that adding smarts in the pixel and the chip can increase performance significantly. Each pixel becomes a smart sensor and can operate independently in collecting, processing, and sharing data. In addition, building on the digital circuit revolution, the effective well size can be increased by orders of magnitude within the same pixel pitch over analog designs. This research has yielded an innovative class of a system-on-chip concept: the Flexible Readout and Integration sensor (FRIS) architecture. All key parameters are programmable and/or can be adjusted dynamically, and this architecture can potentially be sensor and application agnostic. This paper reports on the testing and evaluation of one prototype that can support either detector polarity and includes sample results with visible, short-wavelength infrared (SWIR), and long-wavelength infrared (LWIR) imaging..

关键词： SWIR LWIR smart FPA system-on-chip high-speed imager auto-detection digital FPA system-on-chip multicolor sensor multimode sensor

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