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检索条件"任意字段=First IEEE International Conference on Distributed Computing in Sensor Systems, DCOSS 2005"

共 1159 条记录，以下是211-220 订阅

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Battlefield-of-Things and its Implications in Modern Day Battlefield 8

Battlefield-of-Things and its Implications in Modern Day Bat...

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8th ieee international conference on Computational Intelligence and computing Research (ieee ICCIC)

作者： Varghese, Vincent Nene, Manisha J. Def Inst Adv Technol Dept Comp Sci Pune Maharashtra India

ISBN: (纸本)9781509066216

The study in this paper accentuates the significant role of proliferation in communication, computation, and sensor technologies;and enumerates the paradigm shift in the battlefield environment where the objective is to win a decisive battle. The contribution of this paper is twofold. first, the concept of Battlefield-of-Things (BoTs) is proposed. It integrates the utilisation of multi-layered system architecture for communication, remote deployments of manned-unmanned resources into a cohesive and coordinated fighting force. Second, to study & inter-relate the factors those affect the deployment of technology based on different dimensions in the battlefield;hierarchy and interpretation of distributed networks, its critical effect on decision making. The study states the implications of deployment of BoTs in a generic battlefield scenario. The paper concludes with the fact that the implications of deployment of BoTs has the potential to lead to faster and effective decision making, while enabling the dominance in Command, Control, Intelligence, Surveillance, Targeting, Acquisition;and Reconnaissance (C4ISTAR) with superiority in battlefield management. The future work urges the research community with the challenges envisaged.

关键词： Battlefield-of-Things battlefield management wireless sensor networks computational intelligence cyber physical systems situational awareness(SA) OODA loop C4ISTAR

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distributed sampled-data state estimation for sensor networks with nonuniform samplings 23

Distributed sampled-data state estimation for sensor network...

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23rd ieee international conference on Automation and computing, ICAC 2017

作者： Li, Qi Shen, Bo Wang, Zidong School of Information Science and Technology Donghua University Shanghai201620 China Department of Computer Science Brunel University London UxbridgeUB8 3PH United Kingdom

ISBN: (纸本)9780701702618

This paper is concerned with the distributed sampled-data H∞ state estimation problem for a class of discrete time-invariant systems over sensor networks. The plant under consideration is sampled with a fast period. The sampling intervals of the measurements are integer multiples of the fast period and the sampling processing is characterized by a Markov chain. In order to estimate the plant state, a set of distributed estimators is proposed based on the randomly sampled measurements received by each sensor. The measurements received by each sensor include the information not only from the plant but also from its neighbors. By taking advantage of a Lyapunov functional approach, we first derive a sufficient condition under which the estimation error dynamics is stochastically stable and the H∞ performance constraint is satisfied. Then, the desired distributed estimator gains are obtained by solving some matrix inequalities. In the end, the usefulness of the proposed estimation algorithm is verified by a numerical simulation example. © 2017 Chinese Automation and computing Society in the UK - CACSUK.

关键词： State estimation

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A Near-Optimal Source Location Privacy Scheme for Wireless sensor Networks 16

A Near-Optimal Source Location Privacy Scheme for Wireless S...

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16th ieee international conference on Trust, Security and Privacy in computing and Communications / The 11th ieee international conference on Big Data Science and Engineering / The 14th ieee international conference on Embedded Software and systems

作者： Bradbury, Matthew Jhumka, Arshad Univ Warwick Dept Comp Sci Coventry CV4 7AL W Midlands England

ISBN: (纸本)9781509049066

As interest in using Wireless sensor Networks (WSNs) for deployments in scenarios such as asset monitoring increases, the need to consider security and privacy issues also becomes greater. One such issue is that of Source Location Privacy (SLP) where the location of a source in the network needs to be kept secret from a malicious attacker. Many techniques have been proposed to provide SLP against an eavesdropping attacker. Most techniques work by first developing an algorithm followed by extensive performance validation. Differently, in this paper, we model the SLP problem as an Integer Linear Programming optimization problem. Using the IBM ILOG CPLEX optimiser, we obtain an optimal solution to provide SLP. However, that solution is centralised (i.e., requires network-wide knowledge) making the solution unsuitable for WSNs. Therefore, we develop a distributed version of the solution and evaluate the level of privacy provided by it. The solution is hybrid in nature, in that it uses both spatial and temporal redundancy to provide SLP. Results from extensive simulations using the TOSSIM WSN simulator indicate a 1% capture ratio is achievable as a trade-off for an increase in the delivery latency.

关键词： Source Location Privacy Wireless sensor Networks Optimal Routing Integer Linear Programming

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Consensus in Smart computing systems

Consensus in Smart Computing Systems

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ieee international conference on Smart computing (SMARTCOMP)

作者： Yang, Zhiwei Wu, Weigang Li, Huaguan Zhou, Yu Sun Yat Sen Univ Sch Data & Comp Sci Guangzhou 510006 Guangdong Peoples R China Nanjing Univ Aeronaut & Astronaut Coll Comp Sci & Technol Nanjing 210016 Jiangsu Peoples R China

ISBN: (纸本)9781509065172

A smart computing system is usually composed of smart mobile nodes, such as mobile phones and/or sensor nodes. In this paper, we study the consensus problem in a smart computing system, which has many applications in smart computing, such as smart grid. Due to mobility and failures, smart computing nodes may join and leave a system from time to time. Such dynamicity in node set of a smart computing system brings new challenges in consensus protocol design. A process newly joining the system may miss messages sent out before the joining, which will cause existing consensus algorithms blocked forever and cannot terminate. Process leave may cause the value of previous decision lost, which will make existing consensus algorithms decide on multiple values and violate the agreement property. To address such challenges, we firstly define necessary dynamicity model to constrain the change of process set, and then design a dynamic consensus algorithm which can handle process join and leave effectively via two novel mechanisms. The first mechanism lets old processes send redeeming messages to new processes, while the second one lets processes jump to higher rounds under some specific scenarios. The correctness of our proposed algorithm is rigorously proved, in terms of termination, agreement and validity.

关键词： Consensus smart computing systems asynchrony distributed algorithms fault tolerance

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Energy-Aware Topology Construction and Maintenance for Energy Harvesting sensor Networks 2nd

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2nd international conference on Advanced Intelligent systems and Informatics (AISI)

作者： Sung, Tien-Wen Lee, Chao-Yang Lu, You-Te Shiu, Liang-Cheng Lin, Fu-Tian Fujian Univ Technol Fujian Prov Key Lab Big Data Min & Applicat Fuzhou Peoples R China Fujian Univ Technol Coll Informat Sci & Engn Fuzhou Peoples R China Natl Cheng Kung Univ Dept Elect Engn Tainan Taiwan Southern Taiwan Univ Sci & Technol Dept Informat & Commun Tainan Taiwan Natl Pingtung Univ Dept Comp Sci & Informat Engn Pingtung Taiwan Tung Fang Design Univ Dept Elect Engn Kaohsiung Taiwan

ISBN: (纸本)9783319483085;9783319483078

This work designs a topology control approach which can stratify the perpetual energy supply to extend the system lifetime in energy harvesting sensor networks. Topology control is a well-known and energy-efficiency method that aims to reduce the energy consumption and prolong network lifetime in many research fields. The proposed perpetual and distributed topology control (PDTC) algorithm aims to make the harvesting ambient energy usefully and ensure network sustainability, and performs in each sensor which includes two phases, topology construction phase and topology maintenance phase. first, in topology construction phase, each sensor decides a most suitable parent node with maximal working time and adjusts the traffic generating rate to achieve the system sustainability. In the topology maintenance phase, this work adopts a topology maintenance algorithm to trigger the topology construction algorithm and then re-build a new network topology needed. The experimental results demonstrate the superiority of the PDTC algorithm in terms of energy efficient, network lifetime, and system sustainability.

关键词： Topology construction Topology maintenance Network lifetime Energy harvesting sensor network

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Bounding distributed Energy Balancing Schemes for WSNs via Modular Subgames 12

Bounding Distributed Energy Balancing Schemes for WSNs via M...

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12th ieee Annual international conference on distributed computing in sensor systems (dcoss)

作者： Buwaya, Julia Rolim, Jose Univ Geneva Dept Comp Sci Geneva Switzerland

ISBN: (纸本)9781509014590

This paper studies means of archiving energy balance in Wireless sensor Networks (WSNs) as criterion to increase network lifetime. While protocols for balancing energy through centralized computation have been established, effective solutions for more realistic distributed settings are still an open research field. In this work, we present a novel approach for balancing energy in WSNs in a distributed manner by solving a sequence of modular strategic subgames. In addition, we prove theoretical bounds for its solution quality. To the best of our knowledge, we are the first to explicitly provide theoretical bounds for distributed WSN energy balancing schemes. We do so by formulating two specific routing games in which sensor nodes act as strategic agents with interests in energy balance. The first formulated game is a monotone utility game and by exploiting and adapting some existing results, we can prove a meaningful relative bound for its solution value via our distributed modular subgames scheme under realistic conditions. For the second game we provide an absolute bound. We round up our theoretical results by an experimental evaluation, where our modular subgames scheme shows increased performance compared to state-of-the-art algorithms.

关键词： Energy balance

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Adaptive consensus-based distributed Kalman filter for WSNs with random link failures 12

Adaptive consensus-based distributed Kalman filter for WSNs ...

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12th ieee Annual international conference on distributed computing in sensor systems (dcoss)

作者： Alonso-Roman, Daniel Beferull-Lozano, Baltasar Univ Agder Dept Informat & Commun Technol N-4879 Grimstad Norway

ISBN: (纸本)9781509014590

Wireless sensor Networks have emerged as a very powerful tool for the monitoring and control, over large areas, of diverse phenomena. One of the most appealing properties of these networks is their potentiality to perform complex tasks in a total distributed fashion, without requiring a central entity. In this scenario, where nodes are constrained to use only local information and communicate with one-hop neighbors, iterative consensus algorithms are extensively used due to their simplicity. In this work, we propose the design of a consensus-based distributed Kalman filter for state estimation, in a sensor network whose connections are subject to random failures. As a result of this unreliability, the agreement value of the consensus process is a random variable. Under these conditions, we ensure that the estimator is unbiased, and adaptively compute the gain of the filter by considering the statistical properties of the consensus process. To the best of our knowledge, this is the first time that the design of a consensus-based distributed Kalman filter is addressed by considering the random error introduced by the consensus process. We present some numerical results that confirm the validity of our approach.

关键词： Bandpass filters

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Round Trip Time based Adaptive Congestion Control with CoAP for sensor Network 12

Round Trip Time based Adaptive Congestion Control with CoAP ...

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12th ieee Annual international conference on distributed computing in sensor systems (dcoss)

作者： Lee, Jung June Chung, Sung Min Lee, Byungjun Kim, Kyung Tae Youn, Hee Yong Sungkyunkwan Univ Coll Software Suwon South Korea

ISBN: (纸本)9781509014590

Constrained Application Protocol (CoAP) was developed to support the communication between resource constrained nodes via low-power links. As an Internet protocol, CoAP needs congestion control primarily to stabilize the networking operation. In this paper we propose a new round trip time based adaptive congestion control scheme, which improves CoAP by utilizing the retransmission count information in estimating the retransmission timeout. An experiment is conducted based on Californium CoAP framework and real devices. It shows that the proposed scheme significantly improves CoAP in terms of throughput and rate of successful transaction.

关键词： Adaptive Congestion Control CoAP Round Trip Time Retransmission Timeout sensor Network

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Towards Detecting WiFi Aggregated Interference for Wireless sensors based on Traffic Modelling 12

Towards Detecting WiFi Aggregated Interference for Wireless ...

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12th ieee Annual international conference on distributed computing in sensor systems (dcoss)

作者： Dhanapala, Indika S. A. Marfieviei, Ramona Agrawal, Piyush Peseh, Dirk Cork Inst Technol Nimbus Ctr Embedded Syst Res Cork Ireland United Technol Res Ctr Cork Ireland

ISBN: (纸本)9781509014590

We present a technique to identify transmission timing for ieee802.15.4 based Wireless sensor Networks (WSNs) in the presence of WiFi interference. Our technique is based on modeling WiFi traffic with a Modulated Markov Poisson Process (MMPP) model in order to enable us to predict when WiFi transmissions take place and avoid them. We have evaluated the accuracy of our model in a small test-bed. Results are promising and suggest that our approach can increase the reliability of ieee802.15.4 transmissions.

关键词： Wireless sensor Networks Cognitive Radio Traffic Modelling Interference Detection

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Influence of Topology-Fluctuations on Self-Stabilizing Algorithms 12

Influence of Topology-Fluctuations on Self-Stabilizing Algor...

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12th ieee Annual international conference on distributed computing in sensor systems (dcoss)

作者： Lohs, Stefan Nolte, Joerg Siegemund, Gerry Turau, Volker BTU Cottbus Senftenberg Distributed Syst Operating Syst Grp Senftenberg Germany Hamburg Univ Technolgy Inst Telemat Hamburg Germany

ISBN: (纸本)9781509014590

Self-stabilizing systems have in theory the unique and provable ability, to always return to a valid system state even in the face of failures. These properties are certainly desirable for domains like wireless ad-hoc networks with numerous unpredictable faults. Unfortunately, the time in which the system returns to a valid state is not predictable and potentially unbound. The failure rate typically depends on physical phenomena and in self-stabilizing systems each node tries to react to failures in an inherently adaptive fashion by the cyclic observation of the states of its neighbors. When state changes are either too quick or too slow the system might never reach a state that is sufficiently stable for a specific task. In this paper, we investigate the influences of the error rate on the (stability) convergence time on the basis of topology information acquired in real network experiments. This allows us to asses the asymptotic behavior of relevant self-stabilizing algorithms in typical wireless networks.

关键词： Failure analysis

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