Abstract

Wireless multimedia sensor networks (WMSNs) are capable of collecting multimedia events, such as traffic accidents and wildlife tracking, as well as scalar data. As a result, WMSNs are receiving a great deal of attention both from industry and academic communities. However, multimedia applications tend to generate high volume network traffic, which results in very high energy consumption. As energy is a prime resource in WMSN, an efficient routing algorithm that effectively deals with the dynamic topology of WMSN but also prolongs the lifetime of WMSN is required. To this end, we propose a routing algorithm that combines dynamic cluster formation, cluster head selection, and multipath routing formation for data communication to reduce energy consumption as well as routing overheads. The proposed algorithm uses a genetic algorithm (GA)-based meta-heuristic optimization to dynamically select the best path based on the cost function with the minimum distance and the least energy dissipation. We carried out an extensive performance analysis of the proposed algorithm and compared it with three other routing protocols. The results of the performance analysis showed that the proposed algorithm outperformed the three other routing protocols.

Highlights

  • Conventional wireless sensor networks (WSNs) consist of low-cost sensor nodes that are capable of sending scalar physical phenomena, necessary computation, and transmitting data wirelessly [1]

  • MultimediaSymbol sensor nodes are organized into clustersExplanation using a clustering mechanism (Section 4.1) with vi each cluster containing a set of cluster members and a cluster head (CH)

  • Algorithm shows prolong the network lifetime, the sensor nodes in the wireless multimedia sensor network are divided into a set of clusters [43], where each cluster is managed by a cluster head (CH)

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Summary

Introduction

Conventional wireless sensor networks (WSNs) consist of low-cost sensor nodes that are capable of sending scalar physical phenomena (e.g., temperature, pressure, and humidity), necessary computation, and transmitting data wirelessly [1]. We address the problem of how to reduce energy consumption and routing overheads in WMSNs. One of the significant and essential requirements of WMSNs is the efficient transfer of multimedia data from a target node to the base station, taking into account several design considerations. Minimizing energy consumption and overheads is an important issue in WMSNs because multimedia applications generally generate a high volume of network traffic This traffic requires high transmission rates and processing capabilities from the nodes. We propose an energy efficient multipath algorithm with dynamic clustering using genetic algorithm(GA) meta-heuristic optimization.

Related Work
Network Model
Energy Model
Problem
Energy Efficient GA-Based Multipath Routing
Efficient
2: Event radius is R
9: END-WHILE
Multipath Formation Using Genetic Algorithm
Encoding of Chromosome
Fitness Function
Crossover
Mutation
Performance Analysis
Experimental Setup
Discussion of Results
Homogenous Network
Standard
Heterogeneous Network
Findings
Conclusions
Method for WMSN

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