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Energy-efficient connected coverage of discrete targets in wireless sensor networks

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3rd international conference on Computer Networks and Mobile computing (ICCNMC 2005)

作者： Lu, MM Wu, J Cardei, M Li, ML Florida Atlantic Univ Dept Comp Sci & Engn Boca Raton FL 33431 USA Shanghai Jiao Tong Univ Dept Comp Sci & Engn Shanghai Peoples R China

ISBN: (纸本)3540281029

A major concern in wireless sensor networks is to maximize network lifetime (in terms of rounds) while maintaining a high quality of services (QoS) at each round such as target coverage and network connectivity. Due to the power scarcity of sensors, a mechanism that can efficiently utilize energy has a great impact on extending network lifetime. Most existing works concentrate on scheduling sensors between sleep and active modes to maximize network lifetime while maintaining target/area coverage and network connectivity. This paper generalizes the sleep/active mode by adjusting sensing range to maximize total number of rounds and presents a distributed heuristic to address this problem.

关键词： Wireless telecommunication systems

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distributed Blockchain-SDN Models for Robust Data Security in Cloud-Integrated IoT Networks 3

Distributed Blockchain-SDN Models for Robust Data Security i...

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3rd international conference on Automation, computing and Renewable systems, ICACRS 2024

作者： Haritha, Koya Vellela, Sai Srinivas Roja, D. Vuyyuru, Lakshma Reddy Malathi, Nallapu Dalavai, Lavanya Dept. of CSE-Data Science Chalapathi Institute of Technology AP Guntur522016 India Dept. of CSE KoneruLakshmaiah Education Foundation AP Vaddeswaram India Dept. of CSE-DS KKR & KSR Institute of Technology and Sciences AP Guntur522017 India

ISBN: (纸本)9798331532420

Blockchain and SDN are combined in the "DistB-SD Cloud" architecture to secure and execute cloud-integrated IoT data. Cloud computing Management and Services, distributed Secure Blockchain Methodology, SDN Environment, and Data Extraction comprise the architecture. SDN-enabled devices safely gather and process sensor data in the data plane, while OpenFlow and OpenStack handle network component communication in the control plane. The application layer improves network administration with dynamic configuration and data analytics. distributed nodes and hash chains ensure system integrity in blockchain-based access control and ledger maintenance. Blockchain and SDN improve security, privacy, and scalability by resisting attacks. The architecture outperforms OpenFlow-based SDN models in throughput and bandwidth, proving its stability under different network conditions. The study shows that the suggested "DistB-SD Cloud" achieves increased throughput (22.1 KB/s) and bandwidth (1.9 GB/s) when nodes and packet arrival rates increase, making it a feasible solution for safe and scalable cloud computing in IoTbased systems. © 2024 ieee.

关键词： Cloud security

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Connectivity based node clustering in decentralized peer-to-peer networks 3

Connectivity based node clustering in decentralized peer-to-...

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3rd international conference on Peer-to-Peer computing (P2P 2003)

作者： Ramaswamy, L Gedik, B Liu, L Georgia Inst Technol Coll Comp Atlanta GA 30324 USA

ISBN: (纸本)0769520235

Connectivity based node clustering has wide ranging applications in decentralized Peer-to-Peer (P2P) networks such as P2P file sharing systems, mobile ad-hoc networks, P2P sensor networks and so forth. This paper describes a Connectivity-based distributed Node Clustering scheme (CDC). This scheme presents a scalable and an efficient solution for discovering connectivity based clusters in peer networks. In contrast to centralized graph clustering algorithms, the CDC scheme is completely decentralized and it only assumes the knowledge of neighbor nodes, instead of requiring a global knowledge of the network (graph) to be available. An important feature of the CDC scheme is its ability to cluster the entire network automatically or to discover clusters around a given set of nodes. We provide experimental evaluations of the CDC scheme, addressing its effectiveness in discovering good quality clusters. Our experiments show that utilizing message-based connectivity structure can considerably reduce the messaging cost, and provide better utilization of resources, which in turn improves the quality of service of the applications executing over decentralized peer-to-peer networks.

关键词： Ad hoc networks Computer network management Computer networks distributed computing Educational institutions Intelligent networks Mobile computing Peer to peer computing Quality of service sensor systems and applications

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An Efficient Broadcast Algorithm in Distribued Hash Table under Churn

An Efficient Broadcast Algorithm in Distribued Hash Table un...

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

作者： Li, Wei Chen, Shanzhi Zhou, Ping Li, Xin Li, Yuhong Beijing Univ Posts & Telecommun State Key Lab Networking & Switching Technol Beijing 100088 Peoples R China China Acad Telecommun Technol Beijing Peoples R China Jinggangshan Univ Jian Jiangxi 343009 Peoples R China

ISBN: (纸本)9781424413119

Broadcasting has become a basic service that adds to existing DHT systems the ability to search using arbitrary queries as well as disseminate/collection global information. However, the phenomenon of system churn, a continuous process of needs joining and leaving the networks, degrades the broadcast performance of DHT systems and adversely impact the performance of applications built on top of them. In this paper, we present an efficient algorithm for performing a broadcast operation in DHT systems under churn. It is suitable for most DHT systems such as Chord, Tapestry, etc. Through the proposed algorithm, nodes in DHT system could perform broadcast operation rapidly, and will not send any redundant message. Furthermore, it ensures full coverage of the nodes in the system even when the churn rate is high. The algorithm is validated and evaluated through simulations.

关键词： broadcast broadcast partition tree distributed hash table churn

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An integrated visualization of a smart camera based distributed surveillance system

An integrated visualization of a smart camera based distribu...

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3rd IASTED international conference on Advances in Computer Science and Technology, ACST 2007

作者： Fleck, Sven Vollrath, Christian Walter, Florian Straßer, Wolfgang WSI/GRIS University of Tübingen Sand 14 72076 Tübingen Germany

ISBN: (纸本)9780889866560

Surveillance systems based on distributed sensor networks are massively emerging today, as the interest in enhanced safety in this ever changing world gets more actual than ever. Traditional "CCTV" surveillance systems with their centralized processing (compression) and recording architecture together with a simple multi-monitor visualization of the raw video streams bear several drawbacks and limitations. The necessary communication bandwidth to each camera and the computational requirements on the centralized servers strongly limit such systems in terms of the expandability, installation size (cable lengths) and spatial/ temporal resolution of each camera. Additionally, the visualization is counter intuitive and fatiguing due to the massive load of raw video data. We present a distributed network of smart cameras and its integrated visualization. The smart cameras' tracking results are embedded in a common 3D environment as live textures and can be viewed from arbitrary perspectives. Also a georeferenced live visualization embedded in Google Earth is presented. This offers a visualization more abstract from the camera perspective yet more intuitive in terms of integration.

关键词： Visualization

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A Multi-Agent Mobile Robot System With Environment Perception and HMI Capabilities

A Multi-Agent Mobile Robot System With Environment Perceptio...

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3rd ieee international conference on Signal and Image Processing Applications (ICSIPA)

作者： Tornow, Michael Al-Hamadi, Ayoub Borrmann, Vinzenz Otto Von Guericke Univ Inst Informat Technol & Commun D-39114 Magdeburg Germany

ISBN: (纸本)9781479902699;9781479902675

A multi-agent robot system can speed up exploration or search and rescue operations in dangerous environments by working as a distributed sensor network. Each robot (e. g. Eddi Robot) equipped with a combined 2D/3D sensor (MS Kinect) and additional sensors needs to efficiently exchange its collected data with the other group members for task planning. For environment perception a 2D/3D panorama is generated from a sequence of images which were obtained while the robot was rotating. Furthermore the 2D/3D sensor data is used for a Human-Machine Interaction based on hand postures and gestures. The hand posture classification is realized by an Artificial Neural Network (ANN) which is processing a feature vector composed of Cosine-Descriptors (COD), Hu-moments and geometric features extracted of the hand shape. The System achieves an overall classification rate of more than 93%. It is used within the hand posture and gesture based human machine interface to control the robot team.

关键词： control engineering computing distributed sensors feature extraction gesture recognition human-robot interaction image classification image sequences mobile robots multi-robot systems neural nets task analysis

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Model-driven performance engineering for wireless sensor networks with feature modeling and event calculus

Model-driven performance engineering for wireless sensor net...

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3rd Workshop on Bio-Inspired and Self-Algorithms for distributed systems, Co-located with the 8th ieee/ACM international conference on Autonomic computing, ICAC 2011

作者： Boonma, Pruet Suzuki, Junichi Department of Computer Engineering Chiang Mai University Chiang Mai 50200 Thailand Department of Computer Science University of Massachusetts Boston MA 02125 United States

ISBN: (纸本)9781450307338

This paper proposes and evaluates a model-driven performance engineering framework for wireless sensor networks (WSNs). The proposed framework, called Moppet, is designed for application developers to rapidly implement WSN applications and estimate their performance. It leverages the notion of feature modeling so that it allows developers to graphically and intuitively specify features (e.g., functionalities and configuration policies) in their applications. It also validates a set of constraints among features and generates application code. Moppet also uses event calculus in order to estimate a WSN application's performance without generating its code nor running it on simulators and real networks. Currently, it can estimate power consumption and lifetime of each sensor node. Experimental results show that, in a small-scale WSN of 16 iMote nodes, Moppet's average performance estimation error is 8%. In a large-scale simulated WSN of 400 nodes, its average estimation error is 2%. Moppet scales well to the network size with respect to estimation accuracy. Moppet generates lightweight nesC code that can be deployed with TinyOS on resource-limited nodes. The current experimental results show that Moppet is well-applicable to implement biologically-inspired routing protocols such as pheromone-based gradient routing protocols and estimate their performance. © 2011 ACM.

关键词： Calculations

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High Capacity Multiresonant Chipless RFID sensor Tag For IoT Applications 3

High Capacity Multiresonant Chipless RFID Sensor Tag For IoT...

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3rd international conference on Communication, computing and Digital systems, C-CODE 2023

作者： Jabeen, Iqra Amin, Yasar Tenhunen, Hannu University of Engg and Technology Dept.of Telecommunication Engg Taxila Pakistan University of Turku Dept.of Information Technology Turku Finland

ISBN: (纸本)9798350332391

A novel, high-density, miniature and compact chip- less RFID sensor tag is presented in this article. The proposed work comprises fourteen nested quatrefoil-shaped slot resonators for ID coding with the additional feature of printability and sensitivity. The geometrical configuration consists of several quatrefoil slots of various sizes distributed in a concentric *** unique feature of the presented tag is exhibiting a humidity sensing feature with the deployment of silver nano-ink particle as a radiator by keeping the high code density of 21.8 bits/cm2 in comparison with existing reported works. A bit coding sequence is observed in the frequency spectra from 5 GHz-24 GHz while maintaining a compact size of 8 mm× 8 mm. Further, the performance of the proposed tag is evaluated for numerous substrates, including Rogers RT/Duroid/5880, Taconic (TLX-8), F4BM and Kapton HN, allowing it to be employed in a variety of environments. Additionally, the realized tag structure possesses angular stability at various polarization angles up to 900. This particular tag is deemed to be a suitable choice for future product identification and Internet of Things (IoT) systems. © 2023 ieee.

关键词： Internet of things

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Optimized Bidirectional Long Short-Term Memory Model for distributed Denial of Service Attack Detection in Wireless sensor Networks 3

Optimized Bidirectional Long Short-Term Memory Model for Dis...

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3rd international conference on Smart Technologies and systems for Next Generation computing, ICSTSN 2024

作者： Poongodi, K. Mithuna, S. Rajkumar, S. K. S. Rangasamy College of Technology Computer Science and Engineering Tiruchengode637 215 India

ISBN: (纸本)9798350391565

The rapid expansion of Wireless sensor Networks (WSNs) has made them a critical component in various applications, from environmental monitoring to military surveillance. However, their inherent vulnerabilities make them prime targets for distributed Denial of Service (DDoS) attacks, that have the potential to significantly impair data integrity and network performance. This paper presents an advanced approach for DDoS detection in WSNs using an optimized Bidirectional Long Short-Term Memory (Bi-LSTM) network. The proposed method leverages the strengths of Bi-LSTM in capturing temporal dependencies and patterns within network traffic data, providing a robust mechanism for identifying anomalous activities indicative of DDoS attacks. To enhance the detection accuracy and efficiency, introduce a novel optimization technique that fine-tunes the BiLSTM parameters, balancing the trade-offs between detection performance and computational overhead. Extensive simulations demonstrate that our optimized Bi-LSTM model significantly outperforms traditional machine learning approaches and standard LSTM configurations. The results underline the potential of this approach in fortifying WSNs against sophisticated DDoS threats, ensuring reliable and secure network operations. © 2024 ieee.

关键词： Denial-of-service attack

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SAFE model approach to construction of intelligent security systems

SAFE model approach to construction of intelligent security ...

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3rd international conference on Information Technology and Applications, ICITA 2005

作者： Chaczko, Zenon Sinha, Sourendra Nath Software Faculty of Engineering PO Box 123 Broadway NSW 2007 Australia

ISBN: (纸本)0769523161

Dynamic environments such as that of any public and private infrastructure, workplace and even home consist of multiple entities that continuously interact with each other. Integrating an intelligent security system in such an environment necessitates the need for a soft systems approach that gives perspective to such interactions through identifying associated holons. The holonic analysis allows characterisation of ill-defined and often problematic situations that are resultant of the human activity system. This paper discusses some techniques that can be adopted to resolve scenarios that are plagued with uncertainty in reasoning and the continuously varying nature of interrelationship between native entities. The technical aspect of this system encompasses the mode of query processing and surveillance through a structured sensor network set up with the aid of distributed services and network protocols. © 2005 ieee.

关键词： Computer system firewalls

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