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Reliable Networks with Unreliable Sensors [chapter]

Srikanth Sastry, Tsvetomira Radeva, Jianer Chen, Jennifer L. Welch
2011 Lecture Notes in Computer Science  
We compute these functions for some realistic values of node reliability, network size, and density, to show that, for instance, networks with over a million nodes can maintain connectivity with a probability  ...  Wireless sensor networks (WSNs) deployed in hostile environments suffer from a high rate of node failure. We investigate the effect of such failure rate on network connectivity.  ...  with the increase in network reliability.  ... 
doi:10.1007/978-3-642-17679-1_25 fatcat:ggcwakn2vzgsjledy36uohhilu

Reliable networks with unreliable sensors

Srikanth Sastry, Tsvetomira Radeva, Jianer Chen, Jennifer L. Welch
2013 Pervasive and Mobile Computing  
We compute these functions for some realistic values of node reliability, network size, and density, to show that, for instance, networks with over a million nodes can maintain connectivity with a probability  ...  Wireless sensor networks (WSNs) deployed in hostile environments suffer from a high rate of node failure. We investigate the effect of such failure rate on network connectivity.  ...  with the increase in network reliability.  ... 
doi:10.1016/j.pmcj.2012.02.004 fatcat:xvfgz7mx5vdofcl3xhbpkdnbmu

Time-Sensitive Utility-Based Routing in Duty-Cycle Wireless Sensor Networks with Unreliable Links

Mingjun Xiao, Jie Wu, Liusheng Huang
2012 2012 IEEE 31st Symposium on Reliable Distributed Systems  
Thus, they cannot work well in duty-cycle wireless sensor networks (WSNs) since delay is an important factor in such WSNs. In this paper, we propose a novel utility modeltime-sensitive utility model.  ...  Utility-based routing is a special routing approach, which takes the reliability and transmission costs into account at the same time.  ...  links are unreliable, and the CSMA/CA mechanism is adopted to cope with the existence of collision.  ... 
doi:10.1109/srds.2012.75 dblp:conf/srds/XiaoWH12 fatcat:ia4bjfiqfve5bnpwrikzkm6eea

A Reliable Transmission Strategy in Unreliable Wireless Sensor Networks [chapter]

Zhendong Wu, Shanping Li
2007 Lecture Notes in Computer Science  
Recent empirical and theoretical studies have shown that wireless links in low-power sensor networks are unreliable.  ...  Obviously, it is not a good choice for sensor networks that transmitting data unreliably, which will bring many problems to the networks, such as uncertainty, performance-decline, and so on.  ...  Obviously, Set Transfer improved the energy efficiency of the networks with unreliable links.  ... 
doi:10.1007/978-3-540-72590-9_52 fatcat:wdeccq6r7bf63hw2os5axp6wom

Maximizing network throughput with minimal remote data transfer cost in unreliable wireless sensor networks

Xu Xu, Weifa Liang, Xiaohua Jia, Wenzheng Xu
2013 Proceedings of the fourteenth ACM international symposium on Mobile ad hoc networking and computing - MobiHoc '13  
In this paper we consider the use of a link-unreliable wireless sensor network for remote monitoring, where the monitoring center is geographically located far away from the region of the deployed sensor  ...  We first formulate a novel optimization problem of maximizing the network throughput with minimal service cost, which is shown to be NP-hard. We then develop approximation algorithms.  ...  Given an unreliable sensor network G(V ∪ GW, E) with uniform link reliability p with 0 < p < 1, there is an approximation algorithm Uniform_Link which can achieve the maximum network throughput with at  ... 
doi:10.1145/2491288.2491315 dblp:conf/mobihoc/XuLJX13 fatcat:kxu4cgvmkfbmnge3btjwq4hsbe


О. Makogon, O. Dychko, O. Isakov, R. Lazuta, H. Osmak, L. Trotsko
2020 Системи управління навігації та зв'язку Збірник наукових праць  
K e ywor d s : wireless sensor network, unreliable mot, queuing network, reliability characteristics, information security threats.  ...  the sensor network mot as a Queuing network; to determine analytical dependencies for finding the characteristics of an unreliable wireless sensor network mot.  ...  reliability of the network and minimize threats to its information security To achieve this goal, it is proposed to model an unreliable sensor network node using a heterogeneous Queuing network.  ... 
doi:10.26906/sunz.2020.4.122 fatcat:zdntncv4i5bkxjb5co3c32rll4

Reliability of Wireless Sensor Network with Sleeping Nodes [chapter]

Vladimir V. Shakhov, Hyunseung Choo
2007 Lecture Notes in Computer Science  
Energy efficiency is an important technology of sensor networks development. In this paper we offer a method of sensors lifetime maximizing under required level of network reliability.  ...  As example, we consider homogeneous sensor networks with topology like tree. Other example concerns ZigBee technology.  ...  Thus, sensor networks with sleeping nodes are modeled by a graph with unreliable vertices. Actually, a wireless channel is also unreliable due to interference, fading, shading and so on.  ... 
doi:10.1007/978-3-540-72590-9_71 fatcat:qnfsosa2ebda3pmfzzrabszcxi

Defence Applications of Agent-Based Information Fusion

D. Nicholson
2010 Computer journal  
Results and analysis are presented here for a Bayesian consensus algorithm applied to fault recovery in a sensor network, where some of the sensor fault types are unknown.  ...  Decentralised coordination is shown to be more responsive than distributed coordination in sparsely connected networks with delays.  ...  Consider a sensor network comprising reliable sensors and unreliable sensors.  ... 
doi:10.1093/comjnl/bxq045 fatcat:6vzm7tydrnephi6tq6yz54c2ui

Aero-engine Health Monitoring Method Based on E-Bayes and DNN Fusion Decision

Yong-bo LI, Mian-zai LV, Hua-wei WANG, Qiang FU
2020 DEStech Transactions on Engineering and Technology Research  
Secondly, we constructed the DNN network base on the parameters collected by sensors and reliability parameter, fused the DNN results under different parameters according to the characteristics of different  ...  We trained and verified the network with 9616 aero-engine running data samples contaminated by noise. The average accuracy was 96.15%, which shows that this method has good robustness.  ...  contaminated with sensor noise.  ... 
doi:10.12783/dtetr/acaai2020/34193 fatcat:ufkatwdfzzfvxm3zd3ee33zxiy

Connectivity properties of large-scale sensor networks

Hossein Pishro-Nik, Kevin Chan, Faramarz Fekri
2009 Wireless networks  
We prove a general result relating unreliable sensor networks to reliable networks.  ...  The sensors may be unreliable with a probability distribution, which possibly depends on n and the location of sensors.  ...  We prove general statements relating node-reliable networks to unreliable ones. Using this general theorems we study the properties of networks with unreliable sensor nodes.  ... 
doi:10.1007/s11276-009-0179-9 fatcat:dp24pv47fncopheaizpg3q44ay

Reliable Anchor-Based Sensor Localization in Irregular Areas

Bin Xiao, Lin Chen, Qingjun Xiao, Minglu Li
2010 IEEE Transactions on Mobile Computing  
Index Terms-Wireless sensor networks, range-free localization, reliable anchor. . B. Xiao and Q. Xiao are with the  ...  of wireless sensor networks.  ...  Each sensor can consult with the table with network density (or interchangeably neighbor density) as its key.  ... 
doi:10.1109/tmc.2009.100 fatcat:xb3twhydszahblo7w32sdsowp4

A Data-Driven Architecture for Sensor Validation Based on Neural Networks

Hossein Darvishi, Domenico Ciuonzo, Eivind Roson Eide, Pierluigi Salvo Rossi
2020 2020 IEEE Sensors  
In our proposed architecture, sensor estimators based on neural networks are constructed for each sensor node in order to accommodate faulty measurements along with a classifier to determine the failure  ...  More specifically, a machinelearning based architecture is presented to detect faults in sensors measurements within the system, identify the faulty ones and replace them with estimated values.  ...  The pro- posed architecture takes advantage of reliable and unreliable sensors' measurements as well as their temporal correlation.  ... 
doi:10.1109/sensors47125.2020.9278616 fatcat:abozxemyvfa23eum7tud2oj3tq

Equal-Gain Combination for adaptive distributed classification in Wireless Sensor Networks

H T. Pai, J T. Sung
2009 International Journal of Ad Hoc and Ubiquitous Computing  
A fault-tolerant classification system in wireless sensor networks combining distributed detection with error-correcting codes have recently been proposed. A codeword is designed for each hypothesis.  ...  The observation result at the sensor and the received data at the fusion center are discarded if they are not reliable in the adaptive method.  ...  This network architecture is similar to the so-called SEnsor with Mobile Access (SENMA) [10] .  ... 
doi:10.1504/ijahuc.2009.023902 fatcat:jzvyal2lz5gqbdle65mnq22cqy

Reliable Node Management Architecture for Disaster Surveillance and Response Systems

Soo-Mi Yang, Hee-Jung Byun
2018 Sensors and materials  
However, the loss of resources such as sensor nodes and communication paths may occur during the overall process. Therefore, a safer data delivery system with shorter delays is needed.  ...  Keywords: disaster surveillance, multisensor network, reliable node management, energy saving, disaster response In this study, a system supporting disaster surveillance and response decisions is investigated  ...  Each network node is equipped with a reasoning agent, multitype sensors, and communication interfaces.  ... 
doi:10.18494/sam.2018.1869 fatcat:2hyag5oa4zdkhesagh3d5q662u

The MAC unreliability problem in IEEE 802.15.4 wireless sensor networks

Giuseppe Anastasi, Marco Conti, Mario Di Francesco
2009 Proceedings of the 12th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems - MSWiM '09  
In this paper we focus on IEEE 802.15.4 sensor networks and show that they can suffer from a serious MAC unreliability problem, also in an ideal environment where transmission errors never occur.  ...  We also found that, with a more appropriate parameter setting, it is possible to achieve the desired level of reliability (as well as a better energy efficiency).  ...  However, the suitability of the 802.15.4 MAC protocol for wireless sensor networks -especially with focus on reliability -has never been extensively analyzed.  ... 
doi:10.1145/1641804.1641839 dblp:conf/mswim/AnastasiCF09 fatcat:ernbwyzdrzhslkyyoddxxpdxgu
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