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CNR:A Cluster-Based Solution for connectivity restoration for Mobile WSNs

Computers, Materials & Continua 2021年第12期69卷 3413-3427页

作者： Mahmood ul Hassan Amin Al-Awady Khalid Mahmood Shahzad Ali Ibrahim Algamdi Muhammad Kashif Saeed Safdar Zaman Department of Computer Skills Najran UniversityNajran66241Saudi Arabia Department of Information Systems College of Science and ArtsKing Khalid UniversityMahayil Asir63317Saudi Arabia Department of Computer Science Jouf UniversityTabarjal76769Saudi Arabia Department of Computer Science Community College Mahayil AsirKing Khalid UniversityMahayil63317Saudi Arabia Federal Directorate of Education Department of Computer ScienceIslamabad44000Pakistan

Wireless Sensor Networks(WSNs)are an integral part of the Internet of Things(IoT)and are widely used in a plethora of ***,sensor networks operate in harsh environments where human intervention is often restricted,which makes battery replacement for sensor nodes *** failure due to battery drainage or harsh environmental conditions poses serious challenges to the connectivity of the *** a connectivity restoration mechanism,node failures ultimately lead to a network partition,which affects the basic function of the sensor ***,the research community actively concentrates on addressing and solving the challenges associated with connectivity restoration in sensor *** energy is a scarce resource in sensor networks,it becomes the focus of research,and researchers strive to propose new solutions that are energy *** common issue that is well studied and considered is how to increase the network’s life span by solving the node failure problem and achieving efficient energy *** paper introduces a Clusterbased Node Recovery(CNR)connectivity restoration mechanism based on the concept of *** is a well-known mechanism in sensor networks,and it is known for its energy-efficient operation and *** proposed technique utilizes a distributed cluster-based approach to identify the failed nodes,while Cluster Heads(CHs)play a significant role in the restoration of *** simulations were conducted to evaluate the performance of the proposed technique and compare it with the existing *** simulation results show that the proposed technique efficiently addresses node failure and restores connectivity by moving fewer nodes than other existing connectivity restoration *** proposed mechanism also yields an improved field coverage as well as a lesser number of packets exchanged as compared to existing state-of-the-art mechanisms.

关键词： WSNs CHs CNR transmission range connectivity restoration node failure cluster communication range

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