Data fusion introduction information operators example distributed data fusion motivation related work contribution neighbor alg problem algorithm result distrib alg problem algorithm 2a algorithm 2b result conclusion 4 from data to decision data. Energyefficient unequal chain length clustering for. Any imperfection in data within smart city can have an adverse effect over the performance of urban services and decision making. In this paper, we present a distributed infrastructure based on wireless sensors network and grid computing technology for air pollution monitoring and mining, which aims to develop lowcost and ubiquitous sensor networks to collect realtime, large scale and comprehensive environmental data from road traffic emissions for air pollution monitoring in urban environment. Selfstabilizing synchronization in mobile sensor networks with covering. In this paper, we deal with the problem of distributed data fusion in unsafe largescale sensor networks. Data aggregation is an essential building block of modern distributed systems, enabling the determination of important system wide properties in a decentralized manner. Experiments with selfstabilizing distributed data fusion. A selfstabilizing distributed algorithm to construct an. Selfstabilizing consensus average algorithm in distributed. Moreover, to deal with network failures, it relies on a self stabilizing generic distributed algorithm. These advances are also helping to monitor smart cities and making our living environments workable. Experiments with selfstabilizing distributed data fusion core. The computational model is such that each node of the graph is occupied by a processor which has its own id.
Lamport talk, podc 83 reintroduced the paper, explained its importance, popularized it. Selfstabilizing distributed data fusion researchgate. Archive ouverte hal selfstabilizing distributed data fusion. Many studies regarding selfstabilizing algorithms have adopted dijkstras central demon model 31 or burns.
The 27th international heterogeneity in computing workshop and the 16th international workshop on algorithms, models and tools for parallel computing on heterogeneous platforms. Air pollution monitoring and mining based on sensor. Moreover, clustering reduces channel contention, resulting in higher network throughput under. Each rule in the program assigns only one variable. Automated analysis and optimization of distributed selfstabilizing algorithms by saba a. In this paper we apply fisst to the distributed fusion problem. Cfp16059pod 9781509035144 2016 ieee 35th symposium on reliable distributed systems. For any pair of enabled rules with same target variable, both rules will assign the same value to the variable. A control theory approach to selfstabilization in large. The book constitutes the refereed proceedings of the 6th international conference on distributed computing in sensor systems, dcoss.
Pdcat 2009 2009 international conference on parallel and distributed computing, applications and technologies pdcat 2009 table of contents message from general chairs message from program committee chair. We are interested in developing useful and rigorous specifications of distributed data structures that have probabilistic. Le moigne, parallel adaptive reduction of hyperspectral data to its intrinsic dimensionality, third ieee international conference on cluster computing cluster01, newport beach, california, oct. Fusion of data from heterogeneous sensors with distributed fields. The same questions we answer here can be asked for a broad variety of dynamics and notions of convergence and equilibria. The theory of belief functions is a formal framework for reasoning with uncertainty that is well suited for representing. As dijkstra mentions in his belated proof of self stabilization 8, designing self stabilizing systems is a complex task. This algorithm is selfstabilizing and runs on unreliable message passing networks. Self stabilizing systems in spite of distributed control.
Situational awareness using distributed data fusion. Infoscale 08 proceedings of the 3rd international conference on scalable information systems. Srimani school of computing, clemson university, clemson, sc 296340974 abstract. Daemon conversions in distributed self stabilizing algorithms wayne goddard 1, and pradip k. We consider protocols to transform a self stabilizing algorithm for one daemon to one that can run under a di erent daemon. Selfstabilizing and selfoptimizing distributed data structures. Agilla provides a programming model in which applications consist of evolving communities of agents that share a wireless sensor network. Our method mixesmeasurements obtained from vehicle onboard sensorsas well as wireless sensors placed close to the road and connected to road side units. Self stabilizing systems require the use of bounded memory because realworld systems have only access to bounded memory.
This book constitutes the refereed proceedings of the 14th international symposium on stabilization, safety, and security of distributed systems, sss 2012, held in toronto, canada, in october 2012. Automated analysis and optimization of distributed self. The stabilization time or recovery period of a self stabilizing system is the number of asynchronous frames it takes a fair execution to reach a legitimate system state when starting from an arbitrary one. Stabilization, safety, and security of distributed systems. To force selfstabilization while preserving termination, a program must be. A selfstabilizing hybridfault tolerant synchronization protocol.
To support unreliable data sources, it uses distributed data fusion. The system constructs and maintains a spanning tree for each. Elghazawi, a selfstabilizing distributed algorithm for spanning tree construction in wireless adhoc networks, journal of parallel and distributed computing jpdc, academic. Minimum delay routing for wireless networks with stdma. Then, it is shown that when adding a discounting to the cautious operator, it becomes an roperator and the distributed algorithm becomes self stabilizing. A survey, wensheng gan, jerry chunwei lin, hanchieh chao. Finegrained middleware composition for the boeing nest oep. Technical reports department of computer science csu. Prominent examples for vehicle dynamics stabilization sys tems are antilock. Our method mixesmeasurements obtained from vehicle onboard sensorsas well as wireless sensors placed close. Ps pdf a selfstabilizing distributed algorithm to construct an arbitrary spanning tree of a connected graph.
Optimal distributed fusion is achieved via a direct fisst multitarget generalization of the chongmori change singletarget track fusion technique. Realtime distributed object systems january 2002 1 experiences with middleware for a networked embedded software technology open experimental platform venkita subramonian and chris gill department of computer science washington university, st. Distributed algorithms fall, 2009 mit opencourseware. The stabilization time or recovery period of a selfstabilizing system is the number of asynchronous frames it takes a fair execution to reach a legitimate system state when starting from an arbitrary one. Bertrand ducourthial, vronique cherfaoui and thierry denoeux from self to self stabilizing with service guarantee weightbased clustering. Self stabilizing distributed data fusion, in stabilization, safety and. For clock synchronization, a legitimate state is a state where all parts in the system are in synchrony. A selfcontained navigation system is a system that computes aircraft position.
Locality in distributed graph algorithms siam journal on. However saving energy by reducing the amount of data actually sent to the base station is orthogonal to our work and goes beyond the scope of. Selfstabilizing consensus average algorithm in distributed sensor networks. Lecture notes in computer science volume 7596, 2012, pp 148162. Hierarchical pca based data fusion, 23rd conference on iips at the 87th ams annual meeting. For instance, to accelerate selfstabilization in a group. This book constitutes the refereed proceedings of the 9th international conference on distributed computing and networking, icdcn 2008 formerly known as iwdc international workshop on distributed computing held in kolkata, india, in january 2008. The algorithm is applied to a case study involving a class of critical infrastructures that exchange the possible causes of the faults or threats that affect them. Sensor data fusion for advanced driver assistance systems.
Road hazard detection using distributed data fusion, comosef pilote in compiegne, france 7102015 invited conference, its world congress. Moreover, to deal with network failures, it relies on a selfstabilizing generic. Fault tolerance in distributed systems using self stabilization a dissertation presented to the graduate school of clemson university in partial ful llment of the requirements for the degree doctor of philosophy computer science by yihua ding december 2014 accepted by. The knowledge of these global properties can then be used as input by other distributed application and algorithms. An energyefficient qos routing for wireless sensor networks using selfstabilizing algorithm. Bourgeois, distributed and asynchronous data collection in cognitive radio networks with fairness consideration, ieee. Ii ad hoc wireless networks a sensor network consists of a large number of sensor nodes that are densely deployed. Unlv computer science department faculty publications. In a distributed system with arbitrary states, a self.
A survey of distributed data aggregation algorithms. Publications of the university of nevada, las vegas department of computer science faculty. Publications student authors underlined journal articles. A selfstabilizing hybrid faulttolerant synchronization protocol. Ps pdf distributed runtime support for task and data management. The recent advances in sensing and communication technologies such as wireless sensor networks wsn have enabled lowpriced distributed monitoring systems that are the foundation of smart cities. Distributed processing symposium pmeopds02, fort lauderdale, florida, apr. For instance, to accelerate selfstabilization in a group communication sys. Colette johnen and fouzi mekhaldi brief announcement.
An energyefficient qos routing for wireless sensor. We propose a simple self stabilizing distributed algorithm that maintains an arbitrary spanning tree in a connected graph. This chapter presents a distributed data fusion algorithm for situational. Proceedings of 23rd ieee international parallel and. Distributed computing and networking 9th international. Sss12, proceedings of the 14th international conference on stabilization, safety, and security of distributed systems. Selfstabilizing distributed file systems extended abstract shlomi dolev and ronen i. A new reliable and selfstabilizing data fusion scheme in unsafe wireless sensor networks. The thesis covers data fusion for aircraft navigation systems in distributed sensor. Kheddouci, international conference on parallel and distributed computing, applications and technologies pdcat 2010, 811 december, 2010, wuhan, china. Self stabilization is a concept of faulttolerance in distributed systems. Experiments with selfstabilizing distributed data fusion 2992016 ieee 35th symposium on reliable distributed systems srds 2016, budapest, hungary texpdistdatafussrdsbducourthial20160929. In this paper, we present an experimental study of its properties.
Verification of stabilizing programs with smt solvers jingshu chen and sandeep kulkarni. Selfstabilizing distributed data fusion springerlink. Given the emergent behavior of sharksenabled swarms. Arora, and the ohio state nest team vmilitary given an ad hoc large, open, possibly denied line or area, provide a wireless sensor network that can. Realtime data generated from autonomous and distributed sources can contain all sorts of imperfections regarding on the quality of data e. It also discusses the selfstabilizing properties of the.
Proving the correctness of these algorithms is even more tedious. Selfstabilizing uncoupled dynamics computer science. Pdf selfstabilizing consensus average algorithm in. It generalizes one of the algorithms in dijkstras paper from a line of processes to an arbitrary tree of processes. A selfstabilizing marching algorithm for a group of oblivious robots. Then, it is shown that when adding a discounting to the cautious operator, it becomes an roperator and the distributed algorithm becomes selfstabilizing. Instead of sending the raw data to the nodes responsible for the fusion, they use their processing abilities to locally carry out simple computations and. Selfstabilizing systems in spite of distributed control. The self stabilizing distributed system clock synchronization problem is to develop an algorithm i. Selfstabilizing systems in spite of distributed control dijkstras most important contribution to distributed computing theory.
A distributed system that is self stabilizing will end up in a correct state no matter what state it is initialized with. Moreover, to deal with network failures, it relies on a selfstabilizing generic distributed algorithm. This note was written upon reading dijkstras classic paper selfstabilizing systems in spite of distributed control that appeared in the november 1974 issue of cacm see 58. A distributed algorithm is called self stabilizing if it is resilient to transient faults in the sense that, when started in an arbitrary system state, if no other transient faults occur, the processes converge to a global legal state after which they perform their task correctly see. Thus, having access to automated methods as opposed to manual techniques such as 6 for synthesizing correct self stabilizing systems is highly desirable. Reliable distributed data fusion scheme in unsafe sensor. A selfstabilizing distributed algorithm for spanning tree. Budapest, hungary 2629 september 2016 ieee catalog number. Data fusion application is the phase of processing the collected data by sensor nodes. Ii ad hoc wireless networks a sensor network consists of a large number of sensor nodes that are densely deployed either inside or close to the phenomenon. Fault tolerance in distributed systems using selfstabilization.
Daemon conversions in distributed selfstabilizing algorithms. These directions, as well as a conjecture, are discussed in section 5. This algorithm is self stabilizing and runs on unreliable message passing networks. Moreover, a distributed algorithm is proposed to compute the distributed confidence of each node, by combining all the data of the network using an adaptation of the cautious operator. In a previous work, a distributed algorithm for computing data fusion onthefly has been introduced, avoiding gathering the data on a single node before computation. This chapter presents a distributed data fusion algorithm for situational awareness in critical infrastructures whose link failures are based on the transferable belief model. Distributed data fusion, cautious conjunctive rule, evidence discounting. Ducourthial decision introduction data collection data. A survey of distributed data aggregation algorithms core. Selfstabilizing distributed data fusion, in stabilization, safety and. This paper concerns a number of algorithmic problems on graphs and how they may be solved in a distributed fashion. Selfstabilizing token distribution with constantspace for trees, yuichi sudo. An energyefficient qos routing for wireless sensor networks.
Distributed computing in sensor systems springer for. Abstractdistributed data aggregation is an important task, allowing the decentralized determination of meaningful global. That correct state is reached after a finite number of execution steps. Selfstabilizing systems require the use of bounded memory because realworld systems have only access to bounded memory. James wang, committee chair pradip srimani, committee cochair jason. However, sensor nodes are constrained in energy supply if they have no constant power supply. Distributed monitoring distributed algorithms for data aggregation fusion exploiting p2p technologies selforganizing management overlays combine with ideas from selfstabilizing algorithms trust relationships and reputation systems can we establish sufficient trust automatically.
599 462 489 1349 1315 551 1392 223 218 915 1075 142 1368 1369 885 304 1086 573 177 1512 368 1303 554 27 797 34 704 911 1422 962 808 304 1354 406 588 112 404 749 261 1013 1224 505