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ieee international Workshop on Factory Communication systems - Proceedings, WFCS

IEEE International Workshop on Factory Communication Systems...

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2015 11th ieee World conference on Factory Communication systems, WFCS 2015

ISBN: (纸本)9781479982448

the proceedings contain 45 papers. the topics discussed include: extracting Markov chain models from protocol execution traces for end to end delay evaluation in wireless sensor networks;multi-hop routing within TDMA slots for teams of cooperating robots;improving Profinet IRT frame packing using Ethernet control characters;holistic analysis for fork-join distributed tasks supported by the FTT-SE protocol;a WSN data retransmission mechanism based on network coding and cooperative relayers;scheduling transmissions in industrial networks using source relaying and packet aggregation;helping people (besides machines) understand each other in integrated manufacturing;less wires - a novel approach on combined power and Ethernet transmission on a single, unshielded twisted pair cable;and software defined networking applied to the heterogeneous infrastructure of smart grid.

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dispel4py: An Agile Framework for Data-Intensive eScience 11

dispel4py: An Agile Framework for Data-Intensive eScience

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ieee international conference On eScience

作者： Filgueira, Rosa Krause, Amrey Atkinson, Malcolm Klampanos, Iraklis Spinuso, Alessandro Sanchez-Exposito, Susana Univ Edinburgh Sch Informat Edinburgh EH9 3JZ Midlothian Scotland Univ Edinburgh EPCC Edinburgh EH9 3JZ Midlothian Scotland KNMI NL-3731 GA De Bilt Netherlands Inst Astrofis Andalucia CSIC E-1800 Granada Spain

ISBN: (纸本)9781467393256

We present dispel4py a versatile data-intensive kit presented as a standard Python library. It empowers scientists to experiment and test ideas using their familiar rapid-prototyping environment. It delivers mappings to diverse computing infrastructures, including cloud technologies, HPC architectures and specialised data-intensive machines, to move seamlessly into production with large-scale data loads. the mappings are fully automated, so that the encoded data analyses and data handling are completely unchanged. the underpinning model is lightweight composition of fine-grained operations on data, coupled together by data streams that use the lowest cost technology available. these fine-grained workflows are locally interpreted during development and mapped to multiple nodes and systems such as MPI and Storm for production. We explain why such an approach is becoming more essential in order that data-driven research can innovate rapidly and exploit the growing wealth of data while adapting to current technical trends. We show how provenance management is provided to improve understanding and reproducibility, and how a registry supports consistency and sharing. three application domains are reported and measurements on multiple infrastructures show the optimisations achieved. Finally we present the next steps to achieve scalability and performance.

关键词： eSciences workflows data intensive application run time analysis distributed systems python frameworks

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Privacy and Security Challenges in Internet of things 11

Privacy and Security Challenges in Internet of Things

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11th international conference on distributed computing and Internet Technology (ICDCIT)

作者： Das, Manik Lal DA IICT Gandhinagar India

ISBN: (纸本)9783319149769;9783319149776

Internet of things (IoT) envisions as a global network, connecting any objects around us, ranging from home appliances, wearable things to military applications. With IoT infrastructure, physical objects such as wearable objects, television, refrigerator, smart phones, supply-chain items and any objects across the globe would get connected using the Internet. Sensing, radio waves, mobile technology, embedded systems and Internet technology are promising actors which play significant roles in IoT infrastructure. Security and privacy issues in IoT scenarios would be much more challenging than what is been used in the conventional wireless scenarios. In particular, the constrained environments require lightweight primitives, secure design and effective integration into other environments in order to see IoT in its desired shape. In this paper, we discuss security and privacy challenges in IoT scenarios and applications with special emphasis on resource-constrained environments' security objectives and privacy requirement. We provide different perspectives of IoT, discuss about important driving forces of IoT, and propose a generic construction of secure protocol suitable for constrained environments with respect to IoT scenarios and applications.

关键词： Internet of things sensor networks RFID system Mobile communications Security Privacy

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A distributed flow control for mission-oriented wireless multimedia networks using cooperative communications

A distributed flow control for mission-oriented wireless mul...

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11th international conference on Wireless Communications, Networking and Mobile computing (WiCOM 2015)

作者： Yi Chen Ge Gao Shengbin Liao Huaxiong Yao School of Computer Science Huazhong Normal University Wuhan China School of Computer Science Wuhan University China National Engineering Research Center Huazhong Normal University China

ISBN: (纸本)9781510821279

this paper proposes a novel and efficient distributed flow control for wireless multimedia networks using cooperative communications, based on the Proportional Integral (PI) controllers. the control parameters can be designed to ensure the stability of the control loop in terms of source rate. the distributed explicit rate controller is located at the wireless multimedia sensor source to regulate the transmission rate for mission. We further analyse the theoretical aspects of the proposed algorithm. Simulation results demonstrate the efficiency of the proposed scheme in terms of system stability, fast response, and high efficiency for mission-oriented multimedia systems. Simulation results show that the performance of our scheme is improved more than 10% when compared with other method.

关键词： Cooperative Communication Flow Control Mission-Oriented Stability Wireless Multimedia Networks flow control multimedia network cooperative communication control ring control parameter source rate wireless Communication Research

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Performance of distributed Compressive Sensing Channel Feedback in Multi-User Massive MIMO

Performance of Distributed Compressive Sensing Channel Feedb...

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ieee international conference on Wireless and Mobile computing, Networking and Communications

作者： Khaled S. Hassan Martin Kurras Lars thiele Faculty of Information Engineering and Technology German University in Cairo (GUC) Cairo Egypt Wireless Communications and Networks Fraunhofer Heinrich Hertz Institute Berlin Germany

ISBN: (纸本)9781467377027

Large scale multiple-input multiple-output (MIMO) system is draining attention for its huge spectral efficiency. However, this is only applicable if the base-station is provided with an accurate channel-state information (CSI). In practical cases, the feedback channel is limited, especially when a large antenna array is used making CSI compression mandatory. therefore, compressive sensing (CS) can be applied to massive MIMO systems, where spatial correlation between the antenna array elements is exploited to obtain sparse representations of the downlink channel. Moreover, the correlation among nearby users seeing similar scatterers can be utilized to recover the CSI at the base-station using distributed compressive sensing (DCS) with a limited amount of errors. Our unique link-level simulation shows the suitability of CS and DCS to reduce the amount of channel feedback to less than 37% and still achieves a very low symbol-error ratio (SER) error floor and high per-user capacity.

关键词： MIMO amount errors multiple input multiple output systems BASE STATION Antenna arrays Compressed sensing Array Element feedback channel

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Compensation of Energy-Efficiency Degradation Due to Antenna-Muting in distributed Antenna systems for a Green Cellular Network

Compensation of Energy-Efficiency Degradation Due to Antenna...

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ieee international conference on Wireless and Mobile computing, Networking and Communications

作者： Mehran Behjati Rosdiadee Nordin Mahamod Ismail Department of Electrical Electronic and System Engineering University Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia

ISBN: (纸本)9781467377027

the main criteria for designing the upcoming cellular systems are: More network capacity and less energy consumption. Recently, distributed antenna system (DAS) has received considerable attention due to its potential to provide higher spectral efficiency and uniform coverage for cellular networks. In this regard, this article compares the performance of DAS with centralized antenna system (CAS) in LTE-Advanced system in term of cell throughput and energy efficiency (EE), where practical restrictions such as out-of-cell interference, pathloss, and small-scale fading are taken into account. Furthermore, the EE degradation is investigated under two different sleep-mode scenarios (moderate and low loaded networks) where different number of antennas are activated. Finally, we investigate the impact of channel bandwidth enhancement on the compensation of EE degradation due to the antenna muting during the sleep modes. the results reveal that DAS considerably outperforms CAS in term of EE (up to 56.6%). Furthermore, the simulation results show that during the sleep modes, by optimally assigning channel bandwidth, the EE-loss, not only can be compensated, but also EE can be significantly improved, where the proposed methodology guarantees a considerable power-saving for the cellular network (up to 27.63%).

关键词： LTE-A distributed antenna system energy efficiency power saving sleep mode antenna muting distributed antenna system sleeping mode Energy efficiency compensated amsonic acid defensive aids suite Cellular networks ANTENNA channel bandwidth CONDITION ASSESSMENT SURVEYS ANTENNA SYSTEM network capacity

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Managing Complexity in distributed Data Life Cycles Enhancing Scientific Discovery

Managing Complexity in Distributed Data Life Cycles Enhancin...

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ieee international conference on e-Science and Grid computing

作者： Richard Grunzke Alvaro Aguilera Wolfgang E. Nagel Jens Krüger Sonja Herres-Pawlis Alexander Hoffmann Sandra Gesing Wolfgang E. Nagel Center for Information Services and High Performance Computing Technische Universität Dresden Zellescher Weg 12-1401062 Dresden Germany Technische Universitat Dresden Dresden Sachsen DE Institute of Inorganic Chemistry RWTH Aachen University Landoltweg Aachen Germany Rheinisch-Westfalische Technische Hochschule Aachen Aachen Nordrhein-Westfalen DE Inst. of Inorg. Chem. RWTH Aachen Univ. Aachen Germany University of Notre Dame Information Technology Center Notre Dame IN USA University of Notre Dame Notre Dame IN US

distributed data life cycles consist of data sources, data and computing components as well as data sinks and user facing elements. the complexity of the underlying systems is ever rising with the increasing heterogeneity and distribution of components and environments. Researchers would like to focus on their specific research topic without the need to learn these systems in detail. Accessible data life cycles enable scientists to do better science more efficiently and obtain results, which would not have been possible without these advanced technologies. For this objective, abstraction to hide complexity and automation to avoid manual tasks are a necessity. these are embodied in the three conceptual data life cycle challenges, namely data, computing and utilization. Concepts and technologies to manage these challenges are explored and exemplified on the basis of the general data life cycle and MoSGrid (Molecular Simulation Grid) science gateway. In this context, we especially focus on teaching in drug design and quantum chemistry research use cases. Further cases are presented elucidating various challenges in adapting the concepts and technologies to wind energy data analysis and the XSEDE research infrastructure.

关键词： Metadata Complexity theory distributed databases Chemistry Drugs Middleware File systems

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Advanced Building Energy Monitoring Using Wireless sensor Integrated EnergyPlus Platform for Personal Climate Control

Advanced Building Energy Monitoring Using Wireless Sensor In...

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ieee international conference on Power Electronics and Drive systems

作者： Lan Lan Yen Kheng Tan Energy Research Institute of Singapore @ NTU (ERI@N) Singapore University of Technology and Design (SUTD)

ISBN: (纸本)9781479944019

Building energy monitoring to individual occupant's personal climate level has vast advantages added on to the present building management system. With Internet of things (IoT) as part of energy systems, it opens up a gateway of opportunities ahead to personalize energy monitoring. distributed wireless sensor network (WSN) to integrate with the EnergyPlus model has created an advanced building energy monitoring platform. the proposed building energy monitoring platform has the mean to estimate and predict the energy consumption of an individual in a space within the building (kWh per m~2) and the type of building services like air-conditioning, lighting systems, etc. being utilized. Building-wide deployment of a low-cost WSN system to measure these building services' equivalent parameters, such as temperature, humidity, air pressure and illumination, are integrated into an EnergyPlus model being developed. this results in a more accurate estimation and prediction of the energy consumption within each individual space on top of the building energy measured by existing building management system. In addition, the sensor information helps building owner and tenants to better understand the well-being of the building, as well as, its indoor environmental quality and comfort level in a real-time format.

关键词： Buildings Lighting Temperature sensors Wireless sensor networks Monitoring Temperature measurement Energy consumption

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RPL-Based Routing Protocols For Multi-Sink Wireless sensor Networks

RPL-Based Routing Protocols For Multi-Sink Wireless Sensor N...

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ieee international conference on Wireless and Mobile computing, Networking and Communications

作者： Muhammad Omer Farooq Cormac J. Sreenan Kenneth N. Brown thomas Kunz CTVR Department of Computer Science University College Cork Ireland Department of Systems and Computer Engineering Carleton University Ottawa Canada

ISBN: (纸本)9781467377027

Recent studies demonstrate that the performance of a wireless sensor network (WSN) can be improved by deploying multiple sinks in the network. therefore, in this paper we present different routing protocols for multi-sink WSNs based on the routing protocol for low-power and lossy networks (RPL). Our protocols use different routing metrics and objective functions (OFs). We use the available bandwidth, delay, MAC layer queue occupancy, and expected transmission count (ETX) as the tiebreaking metrics in conjunction with the shortest hop-count metric. Our OFs use the tie-breaking metrics on a greedy or end-to-end basis. Our simulation results demonstrate that the protocols based on the delay, buffer occupancy, and ETX metrics demonstrate best performance, increasing the packet delivery ratio by up to 25% and decreasing the number of retransmissions by up to 65%, compared to a version of the RPL protocol that only uses the hop-count metric. Another key insight is that, using the tie-breaking metrics on a greedy basis demonstrates a slight performance improvement compared to using the metrics on an end-to-end basis. Finally, our results also demonstrate that multiple sinks inside a WSN improve the RPL-based protocol performance.

关键词： RPL Multi-Sink WSN Routing Protocols LowPower and Lossy Networks ieee 802.15.4 Routing protocols Metronidazole Wireless sensor networks protocols end-to-end greedy method WSN gene End Of Text Fiber optic sensors

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Smart carpet using differential piezoresistive pressure sensors for elderly fall detection

Smart carpet using differential piezoresistive pressure sens...

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ieee international conference on Wireless and Mobile computing, Networking And Communications (WiMob)

作者： Kabalan Chaccour Rony Darazi Amir Hajjam el Hassans Emmanuel Andres Ticket Lab Antonine University Hadat-Baabda Lebanon IRTES-SeT Université de Technologie Belfort-Montbéliard Sevenans Belfort France Universite de Technologie de Belfort-Montbeliard Belfort FR Université de Strasbourg Centre Hospitalier Universitaire Strasbourg France

Falls are events that affect almost every aging human being above the age of 65. these incidents can have major consequences on the physiological, psychological and socio-economical levels. In this paper, a simple smart carpet design is developed to detect falls using a novel sensing technique. Conventional sensing methods use either inertial measurement sensors (accelerometers, gyroscopes) or environmental sensors (infrared, force, vibration, acoustic, etc.). the proposed technique employs differential piezoresistive pressure sensors. the prototype of the system is implemented and tested using statistical methods. Experimental results show the sensitivity and the specificity of the system to be 88.8% and 94.9% respectively. the system could be deployed in home care environment as a final product. Our proposed sensing technique can be also integrated in beds to alert patients from falling during sleep.

关键词： Pressure sensors Intelligent sensors sensor systems Piezoresistance Senior citizens Aging

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