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Cooperative Localization and Time Synchronization Based on M-VMP Method
2020
Sensors
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Localization estimation and clock synchronization are important research directions in the application of wireless sensor networks. ...
estimation method suitable for dynamic networks called multi-Gaussian variational message passing (M-VMP). ...
Cooperative Localization and Time Synchronization Based on M-VMP Method
*
Sensors
2020 ,
20 (21), 6315 ...
doi:10.3390/s20216315
pmid:33167525
pmcid:PMC7663923
fatcat:mv4rscm7ejbzdbdik43lurosde
Distributed estimation in wireless sensor networks via variational message passing
2008
2008 42nd Annual Conference on Information Sciences and Systems
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Explicit forms for distributions in the exponential family are derived and applied to a distributed estimation problem in wireless sensor networks. ...
In this paper, a variational message passing framework is proposed for Markov random fields. ...
Section II formulates the general variational method and derives its message passing form for MRF, which is also exemplified by a distributed time synchronization application in sensor networks. ...
doi:10.1109/ciss.2008.4558596
dblp:conf/ciss/ZhangD08
fatcat:4plxpw26vfg5dgnlxp4vsqftji
Joint Algorithm for Multi-Hop localization and Time Synchronization in Underwater Sensors Networks Using Single Anchor
2021
IEEE Access
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In this study, an effort to synchronize and localize the underwater sensors simultaneously in a multi-hop environment is considered. ...
By using a multi-hop environment, we can extend the range and enhancing the network connectivity for providing more accurate localization and synchronization technique. ...
ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their comments that truly helped to make this article fruitful. ...
doi:10.1109/access.2021.3058160
fatcat:uebtjhsj2fe2dmaqhqmndfq2nu
Cooperative Joint Localization and Clock Synchronization Based on Gaussian Message Passing in Asynchronous Wireless Networks
2016
IEEE Transactions on Vehicular Technology
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2016 pre-print arXiv:1601.03118v1 fatcat:4kiutdydynbfleu53f7t262jdy
Localization and synchronization are very important in many wireless applications such as monitoring and vehicle tracking. ...
Utilizing the same time of arrival (TOA) measurements for simultaneous localization and synchronization is challenging. ...
ACKNOWLEDGEMENT The authors would like to thank the editor and the anonymous reviewers for their valuable comments which significantly improved the quality of this paper. January 14, 2016 DRAFT ...
doi:10.1109/tvt.2016.2518185
fatcat:nugghlnv3nbtbgnjoyx7rnubji
Energy-Efficient Time Synchronization Based on Asynchronous Source Clock Frequency Recovery and Reverse Two-Way Message Exchanges in Wireless Sensor Networks
2016
IEEE Transactions on Communications
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2016 pre-print arXiv:1602.04706v1 fatcat:wzmopjzrjnhwvedm2zxd4gxzye
We consider energy-efficient time synchronization in a wireless sensor network where a head node (i.e., a gateway between wired and wireless networks and a center of data fusion) is equipped with a powerful ...
processor and supplied power from outlet, and sensor nodes (i.e., nodes measuring data and connected only through wireless channels) are limited in processing and battery-powered. ...
INTRODUCTION A common time frame among network nodes in a wireless sensor network (WSN) is critical for their carrying out important operations like fusing data from different sensor nodes, time-based ...
doi:10.1109/tcomm.2016.2626281
fatcat:2z3hqy2ypbdurdzwgruifrzwne
Belief Propagation in Wireless Sensor Networks - A Practical Approach
[chapter]
2008
Lecture Notes in Computer Science
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Distributed inference schemes for detection, estimation and learning comprise an attractive approach to Wireless Sensor Networks (WSNs), because of properties such as asynchronous operation and robustness ...
This paper presents a framework that implements both localized and data-centric approaches to improve the effectiveness and the robustness of this algorithm in the WSN environment. ...
We would like to thank Danny Bickson and Amy Fredj for many valuable comments. ...
doi:10.1007/978-3-540-88582-5_44
fatcat:zwj42vbrtnbdzeo653mgvekcfq
Phantom: Physical layer cooperation for location privacy protection
2012
2012 Proceedings IEEE INFOCOM
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In particular, Phantom leverages cooperation among multiple mobile devices in close vicinity and utilizes synchronized transmissions among those nodes to obfuscate localization efforts of adversary systems ...
Localization techniques that allow inferring the location of wireless devices directly from received signals have exposed mobile users to new threats. ...
ACKNOWLEDGMENT This study was supported in part by the US National Science Foundation grant CNS-0845896. ...
doi:10.1109/infcom.2012.6195759
dblp:conf/infocom/OhVGB12
fatcat:6jj65tcwgrcztgayukbks4xwqm
Adaptive Time Synchronization for Homogeneous WSNs
2011
International Journal of Radio Frequency Identification & Wireless Sensor Networks
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Wireless sensor networks (WSNs) are being used for observing real-world phenomenon. ...
Clock synchronization is very challenging in WSNs as the sensor networks are resource constrained networks. ...
Abstract Wireless sensor networks (WSNs) are being used for observing real-world phenomenon. ...
doi:10.5772/50925
fatcat:l4tcedat5zhnjig7ldaqvzari4
Feedback control goes wireless
2019
Proceedings of the 10th ACM/IEEE International Conference on Cyber-Physical Systems - ICCPS '19
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2019 pre-print arXiv:1804.08986v3 fatcat:ryzyib2a35hwbnyhcobhoylg34Other Versions
So far, however, feedback control over wireless multi-hop networks has only been shown for update intervals on the order of seconds. ...
networks for update intervals of 20 to 50 milliseconds. ...
ACKNOWLEDGMENTS We thank Harsoveet Singh and Felix Grimminger for their help with the cyber-physical testbed, and the TEC group at ETH Zurich for the design of the DPP platform and making it available ...
doi:10.1145/3302509.3311046
dblp:conf/iccps/MagerBJTTZ19
fatcat:bbdeyvkqsrhvbhgyjrdelkczem
Adaptive Time Synchronization for Homogeneous WSNs
2012
International Journal of Engineering Business Management
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Wireless sensor networks (WSNs) are being used for observing real-world phenomenon. ...
Clock synchronization is very challenging in WSNs as the sensor networks are resource constrained networks. ...
Abstract Wireless sensor networks (WSNs) are being used for observing real-world phenomenon. ...
doi:10.5772/54898
fatcat:omcy25zj7ngd3gxpdgc6gztqw4
Sparse Bayesian consensus-based distributed field estimation
2011
2011 5th International Conference on Signal Processing and Communication Systems (ICSPCS)
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Furthermore, it does not rely on a fixed network structure and no information about the total number of sensors in the network is necessary. ...
sensor networks (WSNs). ...
VARIATIONAL APPROXIMATION AND MESSAGE PASSING Consider the global vectorsw = [w T 1 , . . . , w T K ] T andᾱ = [α T 1 , . . . , α T K ] T which collect the corresponding local vectors from the network. ...
doi:10.1109/icspcs.2011.6140888
dblp:conf/icspcs/BuchgraberS11
fatcat:kaezwzjf7ff63ch7b7c2obukue
Time Synchronization and Calibration in Wireless Sensor Networks
[chapter]
2005
Handbook of Sensor Networks
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In this chapter, we review time synchronization and calibration for wireless sensor networks. ...
In Section 1.1, we discuss applications of synchronized time in sensor networks, present challenges of sensor networks, and discuss why traditional synchronization approaches fail to meet these challenges ...
One of the challenges for future research is hence the development of methods and tools for the evaluation of time synchronization and calibration in large-scale sensor networks. ...
doi:10.1002/047174414x.ch7
fatcat:7kdkxn663bfp7dkzmdecziryqi
Localized QoS-aware media access control in high-fidelity data center sensing networks
2010
International Conference on Green Computing
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Low-cost non-intrusive wireless sensor network is ideal for high-fidelity data center monitoring and helping improve energy efficiency. ...
In this paper, we present RoMac, a localized QoS-aware TDMA MAC protocol for high fidelity data center sensing networks. ...
Time synchronization has been well studied in the litera ture making TDMA practical for wireless sensor networks. ...
doi:10.1109/greencomp.2010.5598287
dblp:conf/green/HuangSXS10
fatcat:2yk2mzvz7rde7gjihdnq6cccoe
Reliable and Efficient Autonomous Driving: the Need for Heterogeneous Vehicular Networks
[article]
2015
arXiv
pre-print
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We then consider and study in detail several typical scenarios for autonomous driving. ...
The current paper firstly presents the concept of Heterogeneous Vehicular NETworks (HetVNETs) for autonomous driving, in which an improved protocol stack is proposed to satisfy the communication requirements ...
For example, when the sensor data change continuously in time, the ones with very small variation can be omitted. ...
arXiv:1510.06607v1
fatcat:6vrdjsw7mrgiro6yr6dx7wnt3q
Wireless sensor network survey
2008
Computer Networks
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A wireless sensor network (WSN) has important applications such as remote environmental monitoring and target tracking. ...
These sensors are equipped with wireless interfaces with which they can communicate with one another to form a network. ...
These include issues such as localization, coverage, synchronization, network security, and data aggregation and compression. We compare and contrast the various types of wireless sensor networks. ...
doi:10.1016/j.comnet.2008.04.002
fatcat:6yrwuv2sajc37gqisbio5o4rnu
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