778 Hits in 5.8 sec

Hybrid Wireless Sensor Network Coverage Holes Restoring Algorithm

Liu Zhouzhou, Yanhong She
2016 Journal of Sensors  
Aiming at the perception hole caused by the necessary movement or failure of nodes in the wireless sensor actuator network, this paper proposed a kind of coverage restoring scheme based on hybrid particle  ...  , and the hybrid algorithm can effectively solve the coverage restoring problem.  ...  Simulation proves that hybrid algorithm can effectively solve hole coverage problem in wireless sensor actuator network. ( , ) − ( , ) − ⋅ , − ≤ ( , ) − ( , ) ≤ + 0, + ≤ ( , ) − ( , ) .  ... 
doi:10.1155/2016/8064509 fatcat:btagyh2l5rfvbltzgmh77vrwyu

Method for Patching Three-Dimensional Surface Coverage Loopholes of Hybrid Nodes in Wireless Sensor Networks

Zhanjun Hao, Hongwen Xu, Xiaochao Dang, Nanjiang Qu
2020 Journal of Sensors  
Target sensing and information monitoring using wireless sensor networks have become an important research field.  ...  Simulation results show that compared with other algorithms, this algorithm has a higher utilization rate of mobile nodes, uses fewer nodes to complete coverage, reduces network coverage costs, meets the  ...  Based on the description of the above algorithm theory, this paper proposes a wireless sensor hybrid node coverage loophole detection and repair Algorithm 1.  ... 
doi:10.1155/2020/6492457 doaj:3c6adbe955b0469a8996d44055537e3c fatcat:emp5cffrl5cdrkhfpxbckhlb5i

A Swarm Intelligence Based Coverage Hole Healing Approach for Wireless Sensor Networks

Shalu Mehta, Amita Malik
2018 EAI Endorsed Transactions on Scalable Information Systems  
Our work in this article covered this hole area efficiently with the introduction of a novel hybrid optimization algorithm.  ...  We have also shown that increasing the redundant nodes, more coverage can be achieved.  ...  A hybrid optimization algorithm SAPSO proposed for the restoration of moving nodes in the coverage holes areas.  ... 
doi:10.4108/eai.13-7-2018.163132 fatcat:mxgeysumgfe6dilc63n7uhugxu

Intelligent On-Demand Connectivity Restoration for Wireless Sensor Networks

Khalid Mahmood, Muhammad Amir Khan, Mahmood ul Hassan, Ansar Munir Shah, Shahzad Ali, Muhammad Kashif Saeed
2018 Wireless Communications and Mobile Computing  
Wireless sensor networks are envisioned to play a very important role in the Internet of Things in near future and therefore the challenges associated with wireless sensor networks have attracted researchers  ...  In this paper we introduce an intelligent on-demand connectivity restoration technique for wireless sensor networks to address the connectivity restoration problem, where nodes utilize their transmission  ...  In this paper we present a hybrid approach IDCRWSN (Intelligent on-Demand Connectivity Restoration for Wireless Sensor Networks), which consists of a model that performs in collaboration between two sections  ... 
doi:10.1155/2018/9702650 fatcat:lsoxk3ps5bg6xbzl4qf6vp5cdm

Coverage Restoration Method for Wireless Sensor Networks of Distributed PV System

Zhixin Fu, Zhen Liu, Yue Yuan, Min Zhao, Qiaomu Li
2015 International Journal of Distributed Sensor Networks  
This method can restore the monitoring network by arousing redundant nodes. Simulation results show the effectiveness of the proposed algorithm.  ...  Monitoring network technology can provide protection for the safety and stability of power grid operation, but sensor nodes of the monitoring network will fall to failure due to environmental interference  ...  Figure 1 : 1 Redundant sensor node in WSN. Figure 2 : 2 Equivalent sensors for coverage holes. Figure 3 : 3 Regular failed network. 4.1.1. Situation of Regular Failure Region.  ... 
doi:10.1155/2015/738237 fatcat:lk46h4wh65c6pa56j3zly5ouya

Sensors Networks - Localization and Topology

Marios Sfendourakis, Rajagopal Nilavalan, Emmanuel Antonidakis
2016 2016 Third International Conference on Mathematics and Computers in Sciences and in Industry (MCSI)  
In addition, issues of network coverage and topology are analyzed.  ...  Network hole problems are also examined as they are of high importance when a network has to perform accurately and with a minor number of areas that are problematic or may degrade it's performance.  ...  By moving the available mobile sensors, Wang et al. [9] is showing the single coverage problem in contrast with a hybrid network which is able to heal coverage holes by using the movable sensors.  ... 
doi:10.1109/mcsi.2016.036 fatcat:ro7ghwuqw5cc7pgtsjnyihupsq

Connectivity Resotration Techniques for Wireless Sensor and Actor Network (WSAN), A Review

Muhammad Kashif Saeed, Mahmood ul, Ansar Munir, Khalid Mahmood
2018 International Journal of Advanced Computer Science and Applications  
Keywords-Wireless sensor networks; wireless sensor and actor networks; node failure; network partitioning; connectivity restoration; node movements I.  ...  Wireless Sensor and actor networks (WSANs) are the most promising research area in the field of wireless communication.  ...  Nodes failure can divide the network into small segments and create the coverage hole in the sensing area as well.  ... 
doi:10.14569/ijacsa.2018.090919 fatcat:rk5tpwsnsvhgziokfkagxmxece

Target Coverage and Network Connectivity Challenges in Wireless Sensor Networks

Deepa R, Revathi Venkataraman
2018 EAI Endorsed Transactions on Energy Web  
Target Coverage and Network Connectivity in Wireless Sensor Networks (WSNs) plays a momentous role in the field of monitoring environment, habitant observing, disaster recovery, surveillance, etc.  ...  This survey aims to provide a better perceptive of the existing open challenges and possible futuristic approaches for target coverage and network connectivity in wireless sensor networks.  ...  Significant Challenges in wireless sensor networks The considerable issues in wireless sensor networks are network connectivity, coverage, sensing range, energy, lifetime, node deployment, node type, sensor  ... 
doi:10.4108/eai.13-7-2018.165674 fatcat:kux6u65ohbc2bgaw3nlw7dgjku

Study on Different Topology Manipulation Algorithms in Wireless Sensor Network

Pradheeba Ulaganthan
2015 International Journal on Recent and Innovation Trends in Computing and Communication  
Wireless sensor network (WSN) comprises of spatially distributed autonomous sensors to screen physical or environmental conditions and to agreeably go their information through the network to a principle  ...  At the same time there are some different variables like Load Balancing, congestion control, coverage, Energy Efficiency, mobility and so on.  ...  sensor nodes and coverage holes.  ... 
doi:10.17762/ijritcc2321-8169.150298 fatcat:c2wgw6jryjgz5j7ugmudbxpm5q

Permanent Relocation and Self-Route Recovery in Wireless Sensor and Actor Networks

Khalid Mahmood, Muhammad Amir, Mahmood ul, Ansar Munir, Muhammad Kashif
2018 International Journal of Advanced Computer Science and Applications  
Wireless sensor and actor network's connectivity and coverage plays a significant role in mission-critical applications, whereas sensors and actors respond immediately to the detected events in an organized  ...  When one or multiple actors fail, the network becomes disjoint by losing connectivity and coverage; therefore, self-healing algorithm is required to sustain the connectivity and coverage.  ...  INTRODUCTION Wireless sensor and actor networks (WSANs) consist of stationary sensor nodes and some moveable actor nodes [1] .  ... 
doi:10.14569/ijacsa.2018.090313 fatcat:hb5qgedlnzhvfjldx77l3zp4ta

A mobile assisted coverage hole patching scheme based on particle swarm optimization for WSNs

Jin Wang, Chunwei Ju, Hye-jin Kim, R. Simon Sherratt, Sungyoung Lee
2017 Cluster Computing  
This will usually cause coverage redundancy or coverage hole problem. In order to effectively deploy sensors to cover whole area, we present a novel node deployment algorithm based on mobile sensors.  ...  Finally, we awake mobile sensors from sleep mode to fix coverage hole, particle swarm optimization (PSO) algorithm is used to calculate moving position of mobile sensors.  ...  Besides, they proposed a new metric to design the efficient coverage hole healing algorithm. Zhang et al. studied barrier coverage under random deployed mobile wireless sensor networks in [17] .  ... 
doi:10.1007/s10586-017-1586-9 fatcat:3mhfkudgzzf75pkl4hymg7omqa

Hole Detection and Healing in Hybrid Sensor Networks [article]

Mansoor Davoodi, Esmaeil Delfaraz, Sajjad Ghobadi, Mahtab Masoori
2021 arXiv   pre-print
Although monitoring and covering are fundamental goals of a wireless sensor network (WSN), the accidental death of sensors or the running out of their energy would result in holes in the WSN.  ...  Such holes have the potential to disrupt the primary functions of WSNs. This paper investigates the hole detection and healing problems in hybrid WSNs with non-identical sensor sensing ranges.  ...  [40 40] proposed a centralized algorithm for hole detection and healing problems in a hybrid sensor network.  ... 
arXiv:2106.10659v1 fatcat:yp5j7w3ljvbpfo33qsph7jbglm

An Efficient Nodes Failure Recovery Management Algorithm for Mobile Sensor Networks

Rab Nawaz Jadoon, Adnan Anwar Awan, Muhammad Amir Khan, WuYang Zhou, Aamir Shahzad
2020 Mathematical Problems in Engineering  
Wireless sensor networks are not prone to harsh environments and may fail due to various reasons.  ...  The second part of the algorithm (postfailure algorithm) gives complete recovery procedure in the network by its recovery nodes.  ...  wireless sensor networks in an integrated manner.  ... 
doi:10.1155/2020/1749467 fatcat:zx4v6gkn7jgtzasgf4gse7zyj4

Virtual Viewpoint Film and Television Synthesis Based on the Intelligent Algorithm of Wireless Network Communication for Image Repair

Jianfeng Zhang, Zhihan Lv
2021 Wireless Communications and Mobile Computing  
This paper also proposes a wireless sensor network node positioning model with swarm intelligence algorithm, which combines swarm intelligence algorithm with some key issues of wireless sensor network,  ...  The purpose of this paper is to study the virtual viewpoint video synthesis for image restoration based on the intelligent algorithm of wireless network communication.  ...  Node positioning is a very important technology in wireless sensor networks. It supports the realization of topology, routing, and area coverage.  ... 
doi:10.1155/2021/9063410 fatcat:eab3lu3lsnedbf4xwhf7ybz5bu

Robust Wireless Sensor Network Deployment

Milan Erdelj, Nathalie Mitton, Tahiry Razafindralambo
2016 Discrete Mathematics & Theoretical Computer Science  
In this work we present a decentralized deployment algorithm for wireless mobile sensor networks focused on deployment Efficiency, connectivity Maintenance and network Reparation (EMR).  ...  Relying on the graph of wireless mobile sensors, we are able to provide the properties regarding the quality of coverage, the connectivity of the graph and the termination of the algorithm.  ...  in a wireless sensor network simulator WSNet (ii) .  ... 
doi:10.46298/dmtcs.2163 fatcat:alsqjxkfcjbhvb7pdac2fqtpze
« Previous Showing results 1 — 15 out of 778 results