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How to break LU matrix based key predistribution schemes for Wireless sensor Networks

How to break LU matrix based key predistribution schemes for...

引用

ieee Internatonal conference on Mobile Adhoc and sensor systems (MASS)

作者： Bo Zhu Yanfei Zheng Yaowei Zhou Kefei Chen Department of Computer Science and Engineering Shanghai JiaoTong University Shanghai China School of Information Security Engineering Shanghai JiaoTong University Shanghai China

A key predistribution scheme for wireless sensor networks was proposed by Choi and Youn in 2005, which is based on LU decomposition of symmetric matrix. After that, several key predistribution schemes were designed on the basis of Choi and Youn's original scheme. In this paper, we carefully investigate a mathematical theorem about symmetric matrix, by following which adversaries could easily obtain the secret keys deployed via Choi and Youn's scheme. We also analyze all the schemes derived from Choi and Youn's and point out their vulnerabilities. In addition, we propose a revised scheme avoiding the security flaw.

关键词： Wireless sensor networks Public key Mobile ad hoc networks Ad hoc networks Computer science Mobile computing Communication system security Routing protocols Fabrics Wireless networks

来源：评论

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A Large-Scale Service-Oriented sensor Grid Infrastructure

A Large-Scale Service-Oriented Sensor Grid Infrastructure

引用

Consumer Communications and Networking conference, CCNC ieee

作者： Hock Beng Lim Mudasser Iqbal Wenqiang Wang Yuxia Yao Intelligent Systems Center Nanyang Technological University Singapore

Based on our proposed semantics-based service-oriented model, we are building a large-scale sensor grid infrastructure that can seamlessly integrate heterogeneous sensor resources from different projects distributed across a wide geographical area. this model has several important features. First, it connects heterogeneous sensor resources via the Internet to automatically collect and aggregate sensor data in real-time. Second, the varied types and formats of sensor data are linked to the ontology of the respective sensor resource and the data is converted into a standard ontology-based (OWL) format in order to bind data semantics with the data for ease of access and processing. third, the sensor data are stored in a large-scale distributed data archive whose schema is also derived from the common concepts found in the ontologies of various sensor nodes. Fourth, the sensor grid integrates computational resources for the compute-intensive processing of sensor data. Fifth, the sensor data can be conveniently accessed and shared via the Web through mash-ups, blogs and Web-services such as Google Earth and Microsoft's sensorMap. We are developing techniques and tools to publish, query, process, visualize, archive and search the vast amount of sensor data efficiently.

关键词： Large-scale systems Ontologies Grid computing Large scale integration Internet Aggregates OWL Blogs Earth Data visualization

来源：评论

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Protecting Neighbor Discovery Against Node Compromises in sensor Networks

Protecting Neighbor Discovery Against Node Compromises in Se...

引用

ieee international conference on distributed computing systems

作者： Donggang Liu iSec Laboratory CSE Department The University of Texas at Arlington

ISBN: (纸本)9781424444816

the neighborhood information has been frequently used by protocols such as routing in sensor networks. Many methods have been proposed to protect such information in hostile environments. However, these methods can only protect neighbor relations between benign nodes. A compromised node can easily circumvent them and setup false neighbor relations with sensor nodes in many places, impacting the network at a large scale. this paper presents a theoretic model for neighbor discovery in sensor networks and describes a fundamental security limitation and a generic attack against this model. the paper then proposes an efficient and localized solution based on a security property achievable during sensor deployment. this technique provides a threshold security guarantee in dealing with compromised sensor nodes. the analytical and simulation studies show that the technique is practical and effective for sensor networks.

关键词： sensor networks Neighbor sensor placement Ganglia Network routing

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Intrusion detection in Gaussian distributed Wireless sensor Networks

Intrusion detection in Gaussian distributed Wireless Sensor ...

引用

ieee Internatonal conference on Mobile Adhoc and sensor systems (MASS)

作者： Yun Wang Weihuang Fu Dharma P. Agrawal Department of Computer Science Southern Illinois University Edwardsville Edwardsville USA Department of Computer Science University of Cincinnati Cincinnati USA

Intrusion detection in a Wireless sensor Network (WSN) is of significant importance in many applications to detect malicious or unexpected intruder(s). the intruder can be an enemy in a battlefield, or a unusual environmental change in a chemical industry etc. With uniform distribution, the detection probability is the same for any point in a WSN. However, some applications may require different degrees of detection probability at different locations in the deployment area. Gaussian distributed WSNs (i.e., normal distribution) can provide differentiated detection capabilities at different locations and are widely deployed in practice. In view of this, this paper analyzes the problem of intrusion detection in a Gaussian distributed WSN, by characterizing intrusion detection probability with respect to intrusion distance and network deployment parameters. Two detection models are considered: single-sensing detection and multiple-sensing detection. Effects of different network parameters on the intrusion detection probability are examined in details. this work allows us to analytically formulate the intrusion detection probability within a certain intrusion distance under various application scenarios, therefore provides insight for directing the application-specific WSN deployment such as intrusion detection.

关键词： Intrusion detection Wireless sensor networks Partitioning algorithms Algorithm design and analysis Parameter estimation Geometry Hardware Goniometers Software algorithms Laboratories

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Scalable integrated routing using prefix labels and distributed hash tables for MANETs

Scalable integrated routing using prefix labels and distribu...

引用

ieee Internatonal conference on Mobile Adhoc and sensor systems (MASS)

作者： J.J. Garcia-Luna-Aceves Dhananjay Sampath Computer Engineering Department University of California Santa Cruz CA USA Palo Alto Research Center Inc.orporated Palo Alto CA USA

We present AIR (automatic incremental routing), a unified approach for scalable unicast and multicast routing in mobile ad hoc networks (MANET). In AIR, nodes run a distributed routing algorithm to assign prefix labels to themselves. the labels are assigned such that routing to unicast or multicast destinations is automatic, in that a route from any node to a destination is defined by the node's prefix labels, and incremental, in that no relay node needs to know an entire path to any destination. We verify that AIR provides correct unicast and multicast routing, and present simulation results comparing AIR with AODV, OLSR, MAODV and ODMRP in MANETs. the results from these simulation experiments, as well as from tests carried out in a small testbed running AIR in wireless routers, illustrate that AIR offers substantial performance advantages over traditional unicast and multicast routing protocols, even in the case of small networks.

关键词： Unicast Mobile ad hoc networks Relays Multicast protocols Testing Routing protocols Computer networks Multicast algorithms Mobile communication Media Access Protocol

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Quality estimation based data fusion in wireless sensor networks

Quality estimation based data fusion in wireless sensor netw...

引用

ieee Internatonal conference on Mobile Adhoc and sensor systems (MASS)

作者： Frederik Hermans Norman Dziengel Jochen Schiller Institute of Computer Science Freie Universität Berlin Berlin Germany

the main purpose of wireless sensor networks (WSNs) is to obtain information about their environment. However, WSNs often produce imprecise and incorrect sensor data, e.g. because of sensor failure or unreliable radio communication. We propose a system for WSN applications that allows to assess the quality of sensor data and further allows to fuse data based on their estimated quality. Our system comprises local and distributed heuristics to estimate the quality of sensor data, with a focus on data accuracy and data consistency. In the fusion step, the most plausible value of the measured quantity is inferred from multiple sensor readings by use of the Dempster-Shafer theory of evidence. Both quality assessment and data fusion are carried out within the network and thus do not rely on a powerful sink node. We demonstrate the effectiveness of our system by means of a wireless game controller for the game Pong, built from multiple sensor nodes. the controller can detect and reject incorrect sensor readings and thus improve the player's control over the in-game paddle.

关键词： Wireless sensor networks sensor systems Fuses sensor fusion Monitoring Quality assessment Face detection Engines Computer science Radio communication

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SecMCL: A Secure Monte Carlo Localization algorithm for mobile sensor networks

SecMCL: A Secure Monte Carlo Localization algorithm for mobi...

引用

ieee Internatonal conference on Mobile Adhoc and sensor systems (MASS)

作者： Yingpei Zeng Jiannong Cao Jue Hong Shigeng Zhang Li Xie State Key Laboratory of Novel Software Technology Nanjing University Nanjing China Department of Computing Hong Kong Polytechnic University Hong Kong China

Recently with the emergence of mobile sensor networks, localization for such networks has gained much attention, and many localization algorithms have been proposed. Among them the sequential Monte Carlo (SMC) based algorithms are very popular because of their simplicity and efficiency. However, most current SMC-based localization algorithms implicitly assume there is no attacker in the network, which may not be true in real applications. the attackers, if any, may send false information by themselves or through compromised nodes to disturb the localization. In this paper, we present the design and evaluation of a secure Monte Carlo localization algorithm, SecMCL. SecMCL provides authentication to messages and employs a new sampling method to defeat attacks. Simulation results show that SecMCL greatly improves the localization accuracy of existing SMC-based localization method when there are attacks. Also, compared with existing SMC localization method, SecMCL incurs no communication cost (in terms of number of messages) and achieves the same localization accuracy when there is no attack.

关键词： Monte Carlo methods Sliding mode control Algorithm design and analysis Sampling methods Costs Monitoring Global Positioning System Laboratories Computer networks Mobile computing

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distributed particle filtering for large scale dynamical systems

Distributed particle filtering for large scale dynamical sys...

引用

ieee international conference on Multi Topic

作者： Arash Mohammadi Amir Asif Department of Computer Science and Engineering York University Toronto ONT Canada

the paper proposes a near-optimal, distributed implementation of the particle filter for large scale dynamical systems with sparse measurements, as in wireless sensor networks (WSN) and power distribution systems. Compared to the centralized approach, the distributed implementation of the particle filter is computationally efficient and provides considerable transmission bandwidth savings due to a significant decrease in information exchange between the neighbouring nodes. In our test simulations, the performance of the distributed implementation is almost indistinguishable from the centralized particle filter.

关键词： Filtering Large-scale systems Particle filters Wireless sensor networks Power measurement Particle measurements Power distribution distributed computing Bandwidth Testing

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A Straightforward Path Routing in Wireless Ad Hoc sensor Networks

A Straightforward Path Routing in Wireless Ad Hoc Sensor Net...

引用

international conference on distributed computing systems Workshop

作者： Zhen Jiang Junchao Ma Wei Lou Jie Wu Computer Science Department West Chester University West Chester PA USA Department of Computing Hong Kong Polytechnic University Hong Kong China Department of Computer Science & Engineering Florida Atlantic University Boca Raton FL USA

Building a ldquostraightforwardrdquo path in wireless ad hoc sensor networks (WASNs) not only avoids wasting energy in detours, but also incurs less interference in other transmissions when fewer nodes are involved in the transmission. this plays an important role in recent WASN applications that require a streaming service to deliver large amount of data. In this paper, we extend our early work on the straightforward path routing in WASNs in the presence of the ldquolocal minimardquo, where the routing is blocked due to the lack of available forwarding successors. We bring some new insights of the safety information model for a forwarding routing that is limited in the request zone. A new routing is proposed to make a more intelligent decision in greedy advance and achieve more straightforward paths. the experimental results show substantial improvements of our approach compared with the best result known to date.

关键词： Wireless sensor networks Routing distributed computing Interference Safety USA Councils Computer networks Intelligent sensors conferences sensor systems

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A multi-rate based router placement scheme for wireless mesh networks

A multi-rate based router placement scheme for wireless mesh...

引用

ieee Internatonal conference on Mobile Adhoc and sensor systems (MASS)

作者： Junfang Wang Kan Cai Dharma R. Agrawal Center of Distributed and Mobile Computing Department of Computer Science University of Cincinnati Cincinnati OH USA Department of Computer Science University of British Columbia Vancouver BC Canada

Mesh router (MR) placement is one of the fundamental issues that need to be addressed carefully to achieve a desired performance of a wireless mesh network (WMN). the objective of the MR placement schemes is to systematically determine the minimal number of MRs and their positions while satisfying various constraints, such as coverage, connectivity, traffic demand, etc. this paper explores the solution for placing the MRs with multiple transmission rates, which influence both transmission range and wireless link capacity. In the paper, we first formulate the problem with a mixed integer programming model. We then present a heuristic placement algorithm called ILSearch which takes into account both multiple transmission rates and co-channel interference. the ILSearch consists of two components: (1) Coverage MR determination which greedily exploits the capability of each selected MR to cover mesh clients (MCs); and (2) Relay MR determination that incrementally chooses the additional MRs for traffic relaying through the local search. Our simulation has not only shown that ILSearch can effectively obtain the MR placement that meets all the constraints, but also demonstrated that a MR placement which considers the variable transmission rates outperforms those don't.

关键词： Wireless mesh networks Relays Telecommunication traffic Internet Computer science Traffic control Linear programming Heuristic algorithms Interchannel interference Mesh networks

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