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检索条件"任意字段=6th IEEE International Conference on Distributed Computing in Sensor Systems"

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Autonomous navigation based on a dynamic world representation

Autonomous navigation based on a dynamic world representatio...

引用

ieee international conference on Engineering of Complex Computer systems

作者： M. Piaggio R. Zaccaria DIST Laboratorium University of Genoa Genoa Italy

In this paper we propose a real-time architecture for autonomous mobile robots. We describe the single components of the architecture that are responsible of data acquisition and representation navigation and obstacle avoidance. In particular we focus on the integration of the components in the architecture and on the mechanisms that allow the system to operate in real time. Some experimental results are illustrated.

关键词： Navigation Robot sensing systems Motion control Data acquisition Real time systems Intelligent robots Intelligent sensors sensor systems Laboratories sensor fusion

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Embedded Damage Detection in Water Pipelines Using Wireless sensor Networks

Embedded Damage Detection in Water Pipelines Using Wireless ...

引用

ieee international conference on High Performance computing and Communications (HPCC)

作者： Hadil Mustafa Pai H. Chou Department of Electrical Engineering and Computer Science University of California Irvine Irvine CA USA

ISBN: (纸本)9781467321648

this paper proposes a distributed real-time detection algorithm for detecting rupture events in water pipelines noninvasively. the purpose is to suppress not only unnecessary transmission but also local processing in order to save power without sacrificing sensitivity or specificity of the events of interest. All these goals are accomplished by adaptive thresholding, a cascaded wake-up chain, local processing, and aggressive power management. Experimental results show that the proposed algorithm achieves high sensitivity and high specificity while reducing the total energy consumption significantly.

关键词： Monitoring sensors Pipelines Wireless sensor networks Energy consumption Vibrations Sensitivity

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Edge-Enabled Downlink Scheduling Scheme for 6TiSCH-Based IIoT Network 18

Edge-Enabled Downlink Scheduling Scheme for 6TiSCH-Based IIo...

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18th ieee international conference on Advanced Networks and Telecommunications systems, ANTS 2024

作者： Nayak, Sharmistha Yadav, Devendra Kumar Institute of Technical Education & Research Siksha 'o' Anusandhan University Centre for Internet of Things 751003 India Xim University School of Computer Science and Engineering 752050 India

ISBN: (纸本)9798350391725

the integration of the Internet of things (IoT) with 6G networks promises a huge potential for improvised industrial communication. A large number of low-power communication technologies is expected to be part of 6 G in industrial IoT for data collection, forwarding, and actuation. Industrial IoT (IIOT) requires deterministic network services, which can meet the demand for real-time services. Edge-based solutions can help 6G networks meet the requirements of real-time services demanding lower latency. this work aims to address such real-time demands with efficient use of radio resources using 6TiSCH (IPv6 over Time Slotted Channel Hopping (TSCH) mode). In this paper, we propose an edge-based downlink scheduling scheme for the 6TiSCH-based IIoT network named EDSN. EDSN leverages a computation and communication model using edge computing and 6TiSCH scheduling to minimize the overall network latency for downlink data traffic. It schedules actuation (downlink) signals based on the criticality of the received sensor data and the location of the actuators. EDSN analyzes traffic at the edge nodes and allocates a suitable downlink schedule to meet the application requirements of the edge controller. the scheme offers a fair mechanism for provisioning timely schedules for low-priority packets and significantly reduces downlink action times compared to the state-of-the-art. Our experimental results demonstrate that EDSN can effectively reduce response times and improve packet delivery ratios for priority traffic, making it a promising solution for IIoT applications that require low response times and reliable packet delivery. © 2024 ieee.

关键词： sensor nodes

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Comparing Symmetric-key and Public-key based Security Schemes in sensor Networks: A Case Study of User Access Control

Comparing Symmetric-key and Public-key based Security Scheme...

引用

ieee international conference on distributed computing systems

作者： Haodong Wang Bo Sheng Chiu C. Tan Qun Li College of William and Mary Williamsburg VA 23187-8795 USA

ISBN: (纸本)9781424431748

While symmetric-key schemes are efficient in processing time for sensor networks, they generally require complicated key management, which may introduce large memory and communication overhead. On the contrary, public-key based schemes have simple and clean key management, but cost more computational time. the recent progress of elliptic curve cryptography (ECC) implementation on sensors motivates us to design a public-key scheme and compare its performance with the symmetric-key counterparts. this paper builds the user access control on commercial off-the-shelf sensor devices as a case study to show that the public-key scheme can be more advantageous in terms of the memory usage, message complexity, and security resilience. Meanwhile, our work also provides insights in integrating and designing public-key based security protocols for sensor networks.

关键词： Access control Security Public key Cryptography Remote sensing Elliptic curve cryptography Memory management

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Localized Low-Power Topology Control Algorithms in ieee 802.15.4-Based sensor Networks

Localized Low-Power Topology Control Algorithms in IEEE 802....

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international conference on distributed computing systems

作者： Jian Ma Min Gao Qian Zhang L.M. Ni Wenwu Zhu Department of Computer Science Hong Kong University of Science and Technology Kowloon Hong Kong China Wireless and Networking Group Microsoft Research Asia Beijing China

sensor networks have emerged as a promising technology with various applications, and power consumption is one of the key issues. Since each full function device can act as a coordinator or a device in ieee 802.15.4 standard, 802.15.4-based sensor networks have various possible network topologies. In this paper, we try to construct network topologies with small number of coordinators while still maintaining network connectivity. By reducing the number of coordinators, the average duty cycle is reduced and the battery life is prolonged. three topology control algorithms are proposed in this paper. Self-pruning is the simplest one with O(l) running time. Ordinal pruning significantly improves self-pruning in terms of power saving with O(n) running time. Layered pruning is a tradeoff between the first two pruning algorithms with O(radicn) running time and a little higher power consumption than ordinal pruning. Furthermore, all three algorithms are independent of the physical radio propagation characteristics

关键词： Network topology Intelligent networks Wireless sensor networks Asia Energy consumption Batteries sensor phenomena and characterization Costs Computer science Application software

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Polygon-Based Query Evaluation over Geospatial Data Using distributed Hash Tables

Polygon-Based Query Evaluation over Geospatial Data Using Di...

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ieee international conference on Utility and Cloud computing (UCC)

作者： Matthew Malensek Sangmi Pallickara Shrideep Pallickara Department of Computer Science Colorado State University Fort Collins USA

Data volumes in the geosciences and related domains have grown significantly as sensing equipment designed to continuously gather readings and produce data streams for geographic regions have proliferated. the storage requirements imposed by these datasets vastly outstrip the capabilities of a single computing resource, leading to the use and development of distributed storage frameworks composed of commodity hardware. In this paper, we explore the challenges associated with supporting geospatial retrievals constrained by arbitrary polygonal bounds on a distributed hash table architecture. Our solution involves novel distribution and partitioning of these voluminous datasets, thus enabling the use of a lightweight, distributed spatial indexing structure, the geoavailability grid. Geoavailability grids provide global, coarse-grained representations of the spatial information stored within these ever-expanding datasets, allowing the search space of distributed queries to be reduced by eliminating storage resources that do not hold relevant information. this results in improved response times and more effective utilization of available resources. Geoavailability grids are also applicable in non-distributed settings for local lookup functionality, performing competitively with other leading spatial indexing technology.

关键词： Indexing Query processing Geospatial analysis distributed databases Data structures Peer-to-peer computing

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Testing and Comparing the Performance of Cloud Service Providers Using a Service Broker Architecture 1

引用

6th European conference on Service-Oriented and Cloud computing, ESOCC 2017

作者： Elango, Divyaa Manimaran Fowley, Frank Pahl, Claus IC4 Dublin City University Dublin Ireland SwSE Free University of Bozen-Bolzano Bolzano Italy

ISBN: (数字)9783319790909

ISBN: (纸本)9783319790893

Service brokers are tools that allow different individual service providers to be integrated. An API can be a mechanism to provide a joint interface. Broker can actually also be use for more than integration. We use a cloud service broker that implements a multi-cloud abstraction API in order to carry out performance comparisons between different cloud services. the broker tool here is a multi-cloud storage API that integrates a number of provided storage services. the library supporting the API is organised into three services, which are a file, a blob and a table service. Using this broker architecture, we developed a performance test scenario to compare the different providers, i.e., to compare a range of storage operations by different providers. © 2018, Springer international Publishing AG, part of Springer Nature.

关键词： distributed database systems

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Cost-Efficient and Latency-Aware Event Consuming in Workload-Skewed distributed Event Queues 22

Cost-Efficient and Latency-Aware Event Consuming in Workload...

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6th international conference on Cloud and Big Data computing, ICCBDC 2022

作者： Ezzeddine, Mazen Migliorini, Gael Baude, Francoise Huet, Fabrice Université Côte d'Azur CNRS I3S Nice France HighTech Payment Systems Hps Aix En Provence France

ISBN: (纸本)9781450396578

distributed event queues have emerged as a central component in building large scale cloud applications. In distributed event queues, guaranteeing a maximum event processing latency for high percentile of events in a cost-efficient manner is of paramount interest. this is achieved through efficient and accurate solutions to autoscale event consumers to meet the incoming workload. However, most of current solutions to autoscale event consumers are threshold-based that add/remove consumer replicas based on a metric of interest. these autoscalers lack an accurate estimation on the number of replicas that is just enough to keep up with the arrival rate of events and are not cost-efficient. Moreover, threshold-based autoscalers are not designed with workload-skewness in mind. When the workload is skewed few partitions of the distributed queue will receive higher percentile of the events produced. In such cases, the autoscale process must be complemented with a load-aware assignment of event consumer replicas to queue partitions. However, load-aware assignment is not performed by threshold-based autoscalers as they assume a uniform event load across the partitions of the queue. Hence, in this work, we first express the problem of cost-efficient scaling of event consumers to achieve a desired latency as a bin pack problem. this bin pack problem depends on the arrival rate of events, consumption rate of consumers, and on the events backlog in the queues. Next, we show that the process of scaling event consumers in face of skewed workload is performed by a controller/autoscaler and by one of the consumer replicas namely the leader. the controller monitors the cluster state and launches the appropriate number of consumer replicas. Next, the leader consumer performs a load-aware assignment of partitions to consumer replicas. In face of skewed workloads, observed results show order of magnitude gains in terms of latency guarantee as compared to an autoscale methodology that is

关键词： Queueing theory

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Self-Protection for Wireless sensor Networks

Self-Protection for Wireless Sensor Networks

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international conference on distributed computing systems

作者： Dan Wang Qlan zhang Jiangchuan Liu School of Computing Science Simon Fraser University Burnaby BC Canada Department of Computer Science Hong Kong Univ. of Sci and Tech Kowloon Hong Kong

Wireless sensor networks have recently been suggested for many surveillance applications such as object monitoring, path protection, or area coverage. Since the sensors themselves are important and critical objects in the network, a natural question is whether they need certain level of protection, so as to resist the attacks targeting on them directly. If this is necessary, then who should provide this protection, and how it can be achieved? We refer to the above problem as self-protection, as we believe the sensors themselves are the best (and often the only) candidate to provide such protection. In this papel; we for the jirst time present a formal study on the selfprotection problem in wireless sensor networks. We show that, if we simply focus on the quality ofjield or object covering, the sensors might not necessarily be self-protected, which in turn makes the system vulnerable. We then investigate dzreerent forms of self-pmtections, and show that the problems are generally NP-complete. We develop eficient approximation algorithms for centrally-controlled sensors. We then extend the algorithms to filly distributed implementation, and introduce a smart sleep-scheduling algorithm that minimize the energy consumption.

关键词： Wireless sensor networks Protection Intelligent sensors Surveillance Computer networks Energy consumption Military computing Computer science Computerized monitoring Application software

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Integrating sensor Streams in pHealth Networks

Integrating Sensor Streams in pHealth Networks

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international conference on Parallel and distributed systems (ICPADS)

作者： Mark Roantree Donall McCann Niall Moyna Interoperable Systems Group University of Dublin Dublin Ireland School of Health and Human Performance University of Dublin Dublin Ireland

Personal Health (pHealth) sensor networks are generally used to monitor the well being of both athletes and the general public to inform health specialists of future and often serious ailments. the problem facing these domain experts is the scale and quality of data they must search in order to extract meaningful results. By using peer-to-peer sensor architectures and a mechanism for reducing the search space, we can, to some extent, address the scalability issue. However, synchronisation and normalisation of distributed sensor streams remains a problem in many networks. In the case of pHealth sensor networks, it is crucial for experts to align multiple sensor readings before query or data mining activities can take place. this paper presents a system for clustering and synchronising sensor streams in preparation for user queries.

关键词： Heart rate Biomedical monitoring sensor phenomena and characterization sensor systems Wireless sensor networks Data mining Collaboration Universal Serial Bus Humans Peer to peer computing

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