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Relocating Sensor Nodes to Maximize Cumulative Connected Coverage in Wireless Sensor Networks.

¹SIK University, Department of Information Technologies, Sile, 34980, Istanbul, Turkey. vedatcoskun@isikun.edu.tr.

Sensors (Basel, Switzerland)

|November 24, 2016

Summary

This study introduces MaxNetLife, a dynamic relocation algorithm for wireless sensor networks. It maximizes data collection and network lifespan by intelligently repositioning sensor nodes based on remaining power and coverage needs.

Keywords:

clustering mobility network lifetime wireless sensor network

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Area of Science:

Computer Science
Electrical Engineering
Network Engineering

Background:

Wireless sensor networks (WSNs) require efficient power management for extended operation and maximum data extraction.
Sensor node failure due to power depletion can lead to information loss and reduced network coverage.
Optimizing sensor node deployment and relocation is crucial for maintaining network functionality and data integrity.

Purpose of the Study:

To introduce MaxNetLife, a novel dynamic relocation algorithm for WSNs.
To enhance network availability and maximize information extraction by optimizing sensor node power usage and strategic relocation.
To increase the cumulative connected coverage of the network, thereby extending its operational lifespan.

Main Methods:

A deterministic deployment approach using Hexagonal Grid positioning for sensor nodes.
Development of the MaxNetLife algorithm, which utilizes remaining sensor node power for dynamic relocation.
Preemptive migration of redundant sensor nodes to areas requiring additional coverage to prevent network holes.

Main Results:

The MaxNetLife algorithm effectively maximizes the total collected information from the surveillance area.
The algorithm enhances the cumulative connected coverage parameter of the network.
Simulations demonstrate that MaxNetLife is effective, scalable, and applicable for WSNs.

Conclusions:

MaxNetLife significantly extends wireless sensor network availability by intelligently managing sensor node power and relocation.
The algorithm ensures continuous data transmission and maximizes information retrieval by proactively addressing coverage gaps.
MaxNetLife offers a scalable and effective solution for optimizing WSN performance and longevity.