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检索条件"任意字段=3rd IEEE International Conference on Distributed Computing in Sensor Systems, DCOSS 2007"

共 175 条记录，以下是51-60 订阅

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Enhancing Energy Efficiency of Underwater sensor Network Routing Aiming to Achieve Reliability 3

Enhancing Energy Efficiency of Underwater Sensor Network Rou...

引用

3rd international conference on distributed computing and High Performance computing, DCHPC 2024

作者： Tarif, Mehran Effatparvar, Mehdi Moghadam, Babak Nouri Islamic Azad University Ardabil Branch Department of Computer Engineering Ardabil Iran

ISBN: (纸本)9798350381580

In response to the demands and harsh conditions of underwater environments, developing sensor networks and underwater Internet of Things (IoT) has paved the way for wireless communication, ocean exploration, and various research applications. However, challenges such as increasing failure rates and decreasing network efficiency remain open issues, hindering the achievement of quality of service (QoS) in underwater sensor networks. Addressing resource constraints, including processing power, memory, bandwidth, and energy resources, adds to the complexity of supporting network service quality. This study aims to investigate the service quality requirements in protocols and highlight the weaknesses of ongoing research in this field. Finally, a routing solution based on fuzzy logic is proposed, which provides better results than recent methods in tests of energy consumption rate, Jain's fairness index, efficiency, and reliability. © 2024 ieee.

关键词： Quality of service

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A RSSI-Based Cooperative Anomaly Detection Scheme for Wireless sensor Networks

A RSSI-Based Cooperative Anomaly Detection Scheme for Wirele...

引用

3rd international conference on Wireless Communications, Networking and Mobile computing (WiCOM 2007)

作者： Tang, Jiayu Fan, Pingzhi Tang, Xiaohu SW Jiaotong Univ IMC Key Lab Informat Coding & Transmiss Chengdu Peoples R China

ISBN: (纸本)9781424413119

Wireless sensor networks (WSNs) have an excellent prospect in the applications of monitoring, tracking, and distributed sensing. However, WSNs are highly vulnerable to various kinds of attacks, especially the physical attacks in hostile unattended environments. In this paper, the intrusion detection and localization for WSNs are considered, and a cooperative monitoring scheme to detect the displacements of sensor nodes by the cooperation of involved nodes in WSNs is presented. Our scheme is mainly based on the feasible received signal strength indicator (RSSI) values to collect the data of anomalous actions in WSNs. A fairly lightweight and cooperative decision-making process is adopted to decide anomalies. Our analysis and simulation results, including the false positive rates and the false negative rates, show that the proposed scheme based on RSSI values can effectively detect anomalies within a certain scope.

关键词： wireless sensor networks RSSI location estimation anomaly detection

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Grouping-based Clustering Routing Protocol in Wireless sensor Networks

Grouping-based Clustering Routing Protocol in Wireless Senso...

引用

3rd international conference on Wireless Communications, Networking and Mobile computing (WiCOM 2007)

作者： Zhang, Lei Hu, Zheng Li, Yinong Tang, Xiaosheng Beijing Univ Posts & Telecommun Wireless Technol Innovat Inst Beijing 100088 Peoples R China

ISBN: (纸本)9781424413119

Wireless sensor networks (WSNs) have come to the forefront of the scientific community recently. Network lifetime, scalability, and load balancing are important requirements for many wireless sensor network applications. Utilizing sensor nodes' energy can maintain a prolonged network lifetime. Clustering sensor nodes is an effective technique for achieving this goal. In this work, we propose a new energy-efficient approach for cluster-based routing in wireless sensor networks. distributed grouping scheme whereby cluster heads (CHs) partition themselves into groups such that CHs that fall within a given group are relatively close to one another in terms of geographical distance. We apply this grouping strategy to the CHs routing in wireless sensor networks so that the coarse-grained knowledge of sensors is required, the average energy consumption on the resultant WSN is low, and the network lifetime has an obvious improvement.

关键词： Wireless sensor networks clustering network lifetime energy efficiency cluster head

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MQTT-S - A publish/subscribe protocol for Wireless sensor Networks

MQTT-S - A publish/subscribe protocol for Wireless Sensor Ne...

引用

3rd international conference on Communication System Software and Middleware and Workshop

作者： Hunkeler, Urs Truong, Hong Linh Stanford-Clark, Andy IBM Zurich Res Lab Zurich Switzerland IBM United Kingdom Ltd Hursley England

ISBN: (纸本)9781424417964

Wireless sensor Networks (WSNs) pose novel challenges compared with traditional networks. To answer such challenges a new communication paradigm, data-centric communication, is emerging. One form of data-centric communication is the publish/subscribe messaging system. Compared with other data-centric variants, publish/subscribe systems are common and wide-spread in distributed computing. Thus, extending publish/subscribe systems into WSNs will simplify the integration of sensor applications with other distributed applications. This paper describes MQTT-S [1], an extension of the open publish/subscribe protocol Message Queuing Telemetry Transport (MQTT) [2] to WSNs. MQTT-S is designed in such a way that it can be run on low-end and battery-operated sensor/actuator devices and operate over band width-constraint WSNs such as ZigBee-based networks. Various protocol design points are discussed and compared. MQTT-S has been implemented and is currently being tested on the IBM wireless sensor networking testbed [3]. Implementation aspects, open challenges and future work are also presented.

关键词： Wireless sensor networks

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distributed adaptive networked system for strain mapping

Distributed adaptive networked system for strain mapping

引用

3rd international conference on Mobile Ubiquitous computing, systems, Services, and Technologies, UBICOMM 2009

作者： Liang, Jian Lishchynska, Maryna Delaney, Kieran Technologies for Embedded Computing Centre Cork Institute of Technology Rossa Avenue Cork Ireland

ISBN: (纸本)9780769538341

Separately, context-aware sensing and networked sensing systems have been fast progressing research domains. The emergence of wireless sensor networks (WSN) has introduced a way of implementing a distributed self-organized intelligence in myriads of sensing applications. In this work, WSN and sensing technologies are combined to monitor behavior of a target object. The paper presents design and implementation of a distributed adaptive networked system for strain mapping in a wooden table. The system is intended to provide real-time data on strain development in the target object. The strain gauge deployment layout is designed based on comparison between simulated strain results and strain interpolation on various numbers of sensors. Clustering of densely deployed strain sensors, data collection and processing is organized using tiered wireless network. Experiments on capturing the evolution of strain distribution in an object subject to various loading conditions were carried out and results are reported. © 2009 ieee.

关键词： Wireless sensor networks

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An adaptive scheduling protocol for multi-scale sensor network architecture

引用

3rd ieee international conference on distributed computing in sensor systems

作者： PalChaudhuril, Santashil Johnson, David B. Aruba Networks Sunnyvale CA USA Rice Univ Dept Comp Sci Houston TX USA

ISBN: (纸本)9783540730897

In self-organizing networks of battery-powered wireless sensors that can sense, process, and communicate, energy is the most crucial and scarce resource. However, since sensor network applications generally exhibit specific limited behaviors, there is both a need and an opportunity for adapting the network architecture to match the application in order to optimize resource utilization. Many applications-such as large-scale collaborative sensing, distributed signal processing, and distributed data assimilation-require sensor data to be available at multiple resolutions, or allow fidelity to be traded-off for energy efficiency. We believe that cross-layering and application-specific adaptability are the primary design principles needed to build sensor networking protocols. In previous work, we proposed an adaptive cross-layered self-organizing hierarchical data service under COMPASS architecture, that enables multi-scale collaboration and communication. In this paper we propose a time division multiplexing medium scheduling protocol tailored for this hierarchical data service, to take advantage of the communication and routing characteristics to achieve close to optimal latency and energy usage. We present an analytical proof on the bounds achieved by the protocol and analyze the performance via detailed simulations.

关键词： Network architecture

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MIMO - based and SISO Multihop sensor Networks: Energy Efficiency Evaluation

MIMO - based and SISO Multihop Sensor Networks: Energy Effic...

引用

3rd ieee international conference on Wireless and Mobile computing, Networking and Communications (WiMob)

作者： Bravos, George N. Efthymoglou, George Kanatas, Athanassios G. Univ Piraeus Dept Digital Syst & Technol Educ Wireless Commun Lab Piraeus Greece

ISBN: (纸本)9780769528892

Low-cost and low-power sensor nodes forming Wireless sensor Networks have become suitable for a wide range of applications during recent years. These networks demand the implementation of energy-aware techniques and low complexity protocols in all layers. Recently, a MIMO - based structure has been proposed to offer enhanced energy savings in WSNs, compared with simple SISO transmission. In this paper we consider the most common transmission structure for WSNs, using multiple hops. We examine and compare MIMO - based WSN with a multihop transmission in terms of energy efficiency. The results mainly depend on the channel conditions and the distance to the destination node. We reach analytical expressions to calculate threshold values of these parameters, which determine the areas where the MIMO - based structure outperforms multihop transmission.

关键词： Energy efficiency evaluation Multiple-Input-Multiple-Output systems Wireless sensor Networks

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Energy efficient intrusion detection in camera sensor networks

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3rd ieee international conference on distributed computing in sensor systems

作者： Skraba, Primoz Guibas, Leonidas Stanford Univ Dept Elect Engn Stanford CA 94305 USA Stanford Univ Dept Comp Sci Stanford CA 94305 USA

ISBN: (纸本)9783540730897

The problem we address in this paper is how to detect an intruder moving through a polygonal space that is equipped with a camera sensor network. We propose a probabilistic sensor tasking algorithm in which cameras sense the environment independently of one another, thus reducing the communication overhead. Since constant monitoring is prohibitively expensive with complex sensors such as cameras, the amount of sensing done is also minimized. To be effective, a minimum detection probability must be guaranteed by the system over all possible paths through the space. The straightforward approach of enumerating all such paths is intractable, since there is generally an infinite number of potential paths. Using a geometric decomposition of the space, we lower-bound the detection probability over all paths using a small number of linear constraints. The camera tasking is computed for set of example layouts and shows large performance gains with our probabilistic scheme over both constant monitoring as well as over a deterministic heuristic.

关键词： Cameras

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A New Efficient Pairwise Key Establishment Scheme for Wireless sensor Networks

A New Efficient Pairwise Key Establishment Scheme for Wirele...

引用

3rd international conference on Wireless Communications, Networking and Mobile computing (WiCOM 2007)

作者： Li, Sujun Li, Qiaoliang Zhou, Boqing Hunan Univ Dept Comp & Commun Changsha 410082 Hunan Peoples R China

ISBN: (纸本)9781424413119

For wireless sensor networks, pairwise key establishment is a fundamental security service. However, establishing pairwise keys in wireless sensor networks is not a trivial thing, particularly due to the resource constraints on sensor nodes, and the nodes capture attack. In this paper, we propose a new efficient pairwise key management scheme based on the work of Liu et al. [7]. In our scheme, after deployment, a few sensor nodes are self-elected to become service nodes, which are responsible for key generation and distribution. The majority of the nodes are worker nodes, which are responsible for sensing and reporting data, and the keys shared by the nodes are distributed by service nodes. Compared with the scheme(LKE) provided by Liu et. al., our scheme does not need to learn the accurate locations of nodes. In addition, our scheme needs no computational overhead and requires less memory;the resilience against nodes capture attack Is perfect. Simulation analysis Is also provided.

关键词： Wireless sensor networks Pairwise key establishment Security

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distributed coalition formation in visual sensor networks: A virtual vision approach

引用

3rd ieee international conference on distributed computing in sensor systems

作者： Qureshi, Faisal Terzopoulos, Demetri Univ Toronto Dept Comp Sci Toronto ON Canada Univ Calif Los Angeles Dept Comp Sci Los Angeles CA USA

ISBN: (纸本)9783540730897

We propose a distributed coalition formation strategy for collaborative sensing tasks in camera sensor networks. The proposed model supports task-dependent node selection and aggregation through an announcement/bidding/ selection strategy. It resolves node assignment conflicts by solving an equivalent constraint satisfaction problem. Our technique is scalable, as it lacks any central controller, and it is robust to node failures and imperfect communication. Another unique aspect of our work is that we advocate visually and behaviorally realistic virtual environments as a simulation tool in support of research on large-scale camera sensor networks. Specifically, our visual sensor network comprises uncalibrated static and active simulated video surveillance cameras deployed in a virtual train station populated by autonomously self-animating pedestrians. The readily reconfigurable virtual cameras generate synthetic video feeds that emulate those generated by real surveillance cameras monitoring public spaces. Our simulation approach, which runs on high-end commodity PCs, has proven to be beneficial because this type of research would be difficult to carry out in the real world in view of the impediments to deploying and experimenting with an appropriately complex camera network in extensive public spaces.

关键词： camera sensor networks sensor coordination and control distributed coalition formation video surveillance

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