On reliable and scalable management of wireless sensor networks

Coverage and connectivity management in wireless sensor networks

Coverage and connectivity management in wireless sensor networks
... Managing network coverage and connectivity is thus important in sensor networks This thesis focuses on the coverage and connectivity management problem in wireless sensor networks The coverage and ... methods and procedures to monitor and control the network sensing coverage (area coverage) and connectivity It involves the functions of coverage and connectivity planning, monitoring and maintenance ... down to coverage and connectivity management In this work, the coverage and connectivity management functions are categorized into microscale management and macroscale management according to...
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On the Lifetime of Wireless Sensor Networks

On the Lifetime of Wireless Sensor Networks
... strong diversity of coexistent definitions In this section, we summarize the most common definitions in the form of a survey of lifetime definitions 2.1 Network Lifetime Based on the Number of Alive ... when either the percentage of alive nodes or the size of the largest connected component of the network drop below a specified threshold However, this definition only considers the size of the largest ... most others They define the lifetime of a sensor network as the minimum of three points ACM Transactions on Sensor Networks, Vol 5, No 1, Article 5, Publication date: February 2009 On the Lifetime...
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Báo cáo hóa học: " Efficient integration of secure and safety critical industrial wireless sensor networks" doc

Báo cáo hóa học:
... Efficient integration of secure and safety critical industrial wireless sensor networks EURASIP Journal on Wireless Communications and Networking 2011 2011:100 Submit your manuscript to a journal and ... using existing automation equipment and standards, addressing safety and security, using Profinet IO, Profisafe, and WirelessHART In order to retrofit security in Profinet IO we introduce a concept ... framework with a proof -of- concept implementation using Profisafe, Profinet IO, and WirelessHART using an industrial control system The integration method allows security and safety- related configuration...
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Báo cáo hóa học: " Research Article Impact of Radio Link Unreliability on the Connectivity of Wireless Sensor Networks" pptx

Báo cáo hóa học:
... respectively, the set of nodes and the set of valid radio links l(x, x ) Under the hypothesis of switched links, l(x, x ) only exists if both are in range one of each other.1 The connectivity is ... outside the disk can help for the connectivity of nodes inside the disk Then, connectivity is assessed through the probability P(con(A)) that the nodes inside a subarea A of surface SA are connected ... The leading conclusion is that unreliable links may contribute significantly to improve the connectivity of a WSN SIMULATION RESULTS The theoretical analysis of the previous section is now validated...
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Evaluation of the impact of furniture on communications performance for ubiquitous deployment of wireless sensor networks in smart homes

Evaluation of the impact of furniture on communications performance for ubiquitous deployment of wireless sensor networks in smart homes
... Capture Window for Sensors There is other sensor information section where the software tool user introduces specific information about the integrated sensors on the mote, the mote model or the mote ... J.; He, T The LiteOS operating system: Towards unix-like abstractions for wireless sensor networks In Proceedings of the 7th International Conference on Information Processing in Sensor Networks, ... selection Figure 30 Case A: Introducing furniture information in the software tool Figure 31 Case A: Information obtained from the software tool Sensors 2012, 12 6488 Figure 32 Case B: Information...
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A study on maximizing the lifetime of wireless sensor networks

A study on maximizing the lifetime of wireless sensor networks
... Based on the network model, we present the structure of a data aggregation tree used for data Chapter On Maximizing the Lifetime for Data Aggregation in WSNs 21 aggregation in WSNs and its lifetime ... energy consumption of backbone nodes (a) Nodes u, v, x, and y use a large-range radio in the backbone (b) Node v uses a small-range radio, and the others use a large-range radio in the backbone ... broadcasting [21, 22] In the backbone technique, some nodes in the backbone always turn on their radio to maintain the activation of the network, and the rest of the nodes turn off their radio...
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Báo cáo hóa học: "IDEA1: A validated SystemC-based system-level design and simulation environment for wireless sensor networks" pot

Báo cáo hóa học:
... read the sensor data with kHz sample rate and send the data to the coordinator within a short latency At the early stage, some preliminary designs based on the existing hardware platforms and ... platforms 5.2 Simulation results For each algorithm, many cases with different configurations of parameters (e.g., payload, superframe length, macMaxCSMABackoffs, and macMaxFrameRetries) have ... Cite this article as: Du et al.: IDEA1: A validated SystemC-based systemlevel design and simulation environment for wireless sensor networks EURASIP Journal on Wireless Communications and Networking...
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Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx

Báo cáo hóa học:
... resistance against the hardest attack: node compromising STKM: A Spanning Tree- Based Key Management Solution for WSNs In this section, we describe a new key management protocol for WSNs Our main objective ... paper Each sensor node i, including the base station, maintains the following variables (i) Fatheri : the father of the sensor in the final spanning tree The base station is the root of the tree, so ... neighbors of nodes S5 join the tree Finally, the complete tree is depicted in Figure 3(c) 3.3 Tree Maintenance and Rekeying Once the tree is constructed, each node shares a symmetric key with the base...
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Báo cáo hóa học: " Research Article EDDK: Energy-Efficient Distributed Deterministic Key Management for Wireless Sensor Networks" pot

Báo cáo hóa học:
... (5) EDDK: Energy-Efficient Distributed Deterministic Key Management Scheme To fix the flaws present in the aforementioned key management schemes, we propose a distributed deterministic key management ... versus Distributed Key Management Schemes LKHW is a centralized key management scheme for WSNs based on the Logical Key Hierarchy (LKH) [7] In the scheme, the base station is treated as a key distribution ... suitable for resource-constrained wireless sensor networks Conclusions In this paper, we proposed an energy-efficient distributed deterministic key management scheme (EDDK) in which pairwise keys and...
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Báo cáo hóa học: "Research Article On PHY and MAC Performance in Body Sensor Networks" pptx

Báo cáo hóa học:
... issues and challenges in the development of inbody and on- body MAC protocols Section concludes our work Antenna Design for an In- Body Sensor Network The band designated for in- body communication ... for an on- body sensor network The rest of the paper is categorized into four sections Section presents a discussion on antenna design for an in- body sensor network Section investigates the performance ... communication for on- body and in- body sensor networks are different due to their corresponding channel characteristics In an on- body sensor network, signals often propagate across the body surface...
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Efficient data dissemination and collection protocols for wireless sensor networks

Efficient data dissemination and collection protocols for wireless sensor networks
... this dissertation, we design and implement efficient large data dissemination and collection protocols for wireless sensor networks, which outperform state-of-the-art protocols by a large margin ... Efficient Data Dissemination and Collection Protocols for Wireless Sensor Networks Manjunath Doddavenkatappa A THESIS SUBMITTED FOR THE DEGREE OF PhD IN COMPUTER SCIENCE ... and it can also be used for collecting infrequent and periodic data as in LWB [45] that allows to achieve a low duty-cycling ratio On the other hand, large data dissemination and collection protocols...
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DESIGN AND IMPLEMENTATION OF WEB-BASED DATA AND NETWORK MANAGEMENT SYSTEM FOR HETEROGENEOUS WIRELESS SENSOR NETWORKS

DESIGN AND IMPLEMENTATION OF WEB-BASED DATA AND NETWORK MANAGEMENT SYSTEM FOR HETEROGENEOUS WIRELESS SENSOR NETWORKS
... attempts to develop a new network management and data collection framework for heterogeneous wireless sensor networks called as Heterogeneous Wireless Sensor Networks Management System (H-WSNMS), which ... WSNs Wireless Sensor Networks XML Extensible Mark-up Language xi ABSTRACT Yu, Qun M.S., Purdue University, August, 2010 Design and Implementation of Web-based Data and Network Management System for ... IMPLEMENTATION OF WEB-BASED DATA AND NETWORK MANAGEMENT SYSTEM FOR HETEROGENEOUS WIRELESS SENSOR NETWORKS A Thesis Submitted to the Faculty of Purdue University by Qun Yu In Partial Fulfillment of the Requirements...
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A Survey on Network Security and Attack Defense Mechanism For Wireless Sensor Networks pdf

A Survey on Network Security and Attack Defense Mechanism For Wireless Sensor Networks pdf
... Data Traditional sensor network wireless Attack Data Traditional sensor network wireless or Random Kay Predistribution Data and information spoofing, Attacks in information in Transit Traditional ... sensor network wireless REWARD Blackhole attacks Traditional sensor network wireless Tiny Sec Data and Information spoofing, Message Replay Attack Data and Information spoofing, Message Replay ... active attacks involve some modifications of the data steam or the creation of a false stream in a WSN  Mote-class versus laptop-class attacks: In moteclass (sensor- class) attacks, an adversary attacks...
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Báo cáo hóa học: " Research Article Modelling and Implementation of QoS in Wireless Sensor Networks: A Multiconstrained Traffic Engineering Model" pdf

Báo cáo hóa học:
... to a source and carry the information concurrently to the destination in order to achieve load balancing and rapid delivery of the information In a wireless sensor network, both single paths and ... reveals a gain which increases with the reduction of the play-back delay Note however that while multipath routing may result in playback delay gain, increasing the path multiplicity can increase ... [3] C Intanagonwiwat, R Govindan, and D Estrin, “Directed diffusion: a scalable and robust communication paradigm for sensor networks,” in Proceedings of the ACM/IEEE Annual International Conference...
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Báo cáo hóa học: " Research Article Robust and Scalable Transmission of Arbitrary 3D Models over Wireless Networks" potx

Báo cáo hóa học:
... bounding box of an GT object with → centroid x GT and let dGT be the length of the bounding box’ → → diagonal of the GT object Let b AR and x AR be the bounding box and the centroid of an AR object ... calculation of the distance matrix according to (50) is included in Figure 12 and marked as Step Step represents the analysis of temporal correspondence and hence the calculation of the number of overlapping ... sequence and compared the result About 95% of the data matched It is therefore unrealistic to demand a perfect match between GT and AR The authors suggest that when more than 95% of the areas overlap,...
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