X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/ThesisAli.git/blobdiff_plain/756ad5dc8d9d6c233545dc73899b374b9fce2618..df0ded57ac60ab03ead82d37326459a25812634a:/Thesis.toc?ds=inline diff --git a/Thesis.toc b/Thesis.toc index 633865a..5f74a12 100644 --- a/Thesis.toc +++ b/Thesis.toc @@ -6,101 +6,103 @@ \contentsline {chapter}{List of Tables}{11}{chapter*.5} \contentsline {chapter}{List of Algorithms}{13}{chapter*.6} \contentsline {chapter}{List of Abbreviations}{15}{chapter*.7} -\contentsline {chapter}{Introduction }{19}{chapter*.8} -\contentsline {section}{1. General Introduction }{19}{section*.9} -\contentsline {section}{2. Motivation of the Dissertation }{20}{section*.10} -\contentsline {section}{3. Main Contributions of this Dissertation}{20}{section*.11} -\contentsline {section}{4. Dissertation Outline}{21}{section*.12} -\contentsline {part}{I\hspace {1em}Scientific Background}{23}{part.1} -\contentsline {chapter}{\numberline {1}Wireless Sensor Networks}{25}{chapter.1} -\contentsline {section}{\numberline {1.1}Introduction}{25}{section.1.1} -\contentsline {section}{\numberline {1.2}Architecture}{26}{section.1.2} -\contentsline {section}{\numberline {1.3}Types of Wireless Sensor Networks}{28}{section.1.3} -\contentsline {section}{\numberline {1.4}Applications}{30}{section.1.4} -\contentsline {section}{\numberline {1.5}The Main Challenges}{33}{section.1.5} -\contentsline {section}{\numberline {1.6}Energy-Efficient Mechanisms of a working WSN}{35}{section.1.6} -\contentsline {subsection}{\numberline {1.6.1}Energy-Efficient Routing}{35}{subsection.1.6.1} -\contentsline {subsubsection}{\numberline {1.6.1.1}Routing Metric based on Residual Energy}{35}{subsubsection.1.6.1.1} -\contentsline {subsubsection}{\numberline {1.6.1.2}Multipath Routing}{35}{subsubsection.1.6.1.2} -\contentsline {subsection}{\numberline {1.6.2}Cluster Architecture}{36}{subsection.1.6.2} -\contentsline {subsection}{\numberline {1.6.3}Scheduling Schemes}{36}{subsection.1.6.3} -\contentsline {subsubsection}{\numberline {1.6.3.1}Wake up Scheduling Schemes}{36}{subsubsection.1.6.3.1} -\contentsline {subsubsection}{\numberline {1.6.3.2}Topology Control Schemes}{39}{subsubsection.1.6.3.2} -\contentsline {subsection}{\numberline {1.6.4}Data-Driven Schemes}{39}{subsection.1.6.4} -\contentsline {subsubsection}{\numberline {1.6.4.1}Data Reduction Schemes}{40}{subsubsection.1.6.4.1} -\contentsline {subsubsection}{\numberline {1.6.4.2}Energy Efficient Data Acquisition Schemes}{40}{subsubsection.1.6.4.2} -\contentsline {subsection}{\numberline {1.6.5}Battery Repletion}{40}{subsection.1.6.5} -\contentsline {subsection}{\numberline {1.6.6}Radio Optimization}{40}{subsection.1.6.6} -\contentsline {subsection}{\numberline {1.6.7}Relay nodes and Sink Mobility}{41}{subsection.1.6.7} -\contentsline {subsubsection}{\numberline {1.6.7.1}Relay node placement}{41}{subsubsection.1.6.7.1} -\contentsline {subsubsection}{\numberline {1.6.7.2}Sink Mobility}{41}{subsubsection.1.6.7.2} -\contentsline {section}{\numberline {1.7}Network Lifetime}{41}{section.1.7} -\contentsline {section}{\numberline {1.8}Coverage in Wireless Sensor Networks }{42}{section.1.8} -\contentsline {section}{\numberline {1.9}Design Issues for Coverage Problems}{44}{section.1.9} -\contentsline {section}{\numberline {1.10}Energy Consumption Model}{45}{section.1.10} -\contentsline {section}{\numberline {1.11}Conclusion}{46}{section.1.11} -\contentsline {chapter}{\numberline {2}Related Works on Coverage Problems}{47}{chapter.2} -\contentsline {section}{\numberline {2.1}Introduction}{47}{section.2.1} -\contentsline {section}{\numberline {2.2}Centralized Algorithms}{49}{section.2.2} -\contentsline {section}{\numberline {2.3}Distributed Algorithms}{51}{section.2.3} -\contentsline {subsection}{\numberline {2.3.1}Geographical Adaptive Fidelity (GAF)}{53}{subsection.2.3.1} -\contentsline {subsection}{\numberline {2.3.2}Distributed Energy-efficient Scheduling for K-coverage (DESK)}{55}{subsection.2.3.2} -\contentsline {section}{\numberline {2.4}Conclusion}{59}{section.2.4} -\contentsline {chapter}{\numberline {3}Evaluation Tools and Optimization Solvers}{61}{chapter.3} -\contentsline {section}{\numberline {3.1}Introduction}{61}{section.3.1} -\contentsline {section}{\numberline {3.2}Evaluation Tools}{61}{section.3.2} -\contentsline {subsection}{\numberline {3.2.1}Testbed Tools}{62}{subsection.3.2.1} -\contentsline {subsection}{\numberline {3.2.2}Simulation Tools}{64}{subsection.3.2.2} -\contentsline {section}{\numberline {3.3}Optimization Solvers}{66}{section.3.3} -\contentsline {section}{\numberline {3.4}Conclusion}{70}{section.3.4} -\contentsline {part}{II\hspace {1em}Contributions}{71}{part.2} -\contentsline {chapter}{\numberline {4}Distributed Lifetime Coverage Optimization Protocol}{73}{chapter.4} -\contentsline {section}{\numberline {4.1}Introduction}{73}{section.4.1} -\contentsline {section}{\numberline {4.2}Description of the DiLCO Protocol}{74}{section.4.2} -\contentsline {subsection}{\numberline {4.2.1}Assumptions and Network Model}{74}{subsection.4.2.1} -\contentsline {subsection}{\numberline {4.2.2}Primary Point Coverage Model}{75}{subsection.4.2.2} -\contentsline {subsection}{\numberline {4.2.3}Main Idea}{75}{subsection.4.2.3} -\contentsline {subsubsection}{\numberline {4.2.3.1}Information Exchange Phase}{77}{subsubsection.4.2.3.1} -\contentsline {subsubsection}{\numberline {4.2.3.2}Leader Election Phase}{77}{subsubsection.4.2.3.2} -\contentsline {subsubsection}{\numberline {4.2.3.3}Decision phase}{78}{subsubsection.4.2.3.3} -\contentsline {subsubsection}{\numberline {4.2.3.4}Sensing phase}{78}{subsubsection.4.2.3.4} -\contentsline {section}{\numberline {4.3}Coverage Problem Formulation}{79}{section.4.3} -\contentsline {section}{\numberline {4.4}Simulation Results and Analysis}{80}{section.4.4} -\contentsline {subsection}{\numberline {4.4.1}Simulation Framework}{80}{subsection.4.4.1} -\contentsline {subsection}{\numberline {4.4.2}Modeling Language and Optimization Solver}{80}{subsection.4.4.2} -\contentsline {subsection}{\numberline {4.4.3}Energy Consumption Model}{81}{subsection.4.4.3} -\contentsline {subsection}{\numberline {4.4.4}Performance Metrics}{81}{subsection.4.4.4} -\contentsline {subsection}{\numberline {4.4.5}Performance Analysis for Different Number of Subregions}{83}{subsection.4.4.5} -\contentsline {subsection}{\numberline {4.4.6}Performance Analysis for Different Number of Primary Points}{89}{subsection.4.4.6} -\contentsline {subsection}{\numberline {4.4.7}Performance Comparison with other Approaches}{93}{subsection.4.4.7} -\contentsline {section}{\numberline {4.5}Conclusion}{100}{section.4.5} -\contentsline {chapter}{\numberline {5}Multiround Distributed Lifetime Coverage Optimization Protocol}{101}{chapter.5} -\contentsline {section}{\numberline {5.1}Introduction}{101}{section.5.1} -\contentsline {section}{\numberline {5.2}Description of the MuDiLCO Protocol }{101}{section.5.2} -\contentsline {section}{\numberline {5.3}Primary Points based Multiround Coverage Problem Formulation}{103}{section.5.3} -\contentsline {section}{\numberline {5.4}Experimental Study and Analysis}{104}{section.5.4} -\contentsline {subsection}{\numberline {5.4.1}Simulation Setup}{104}{subsection.5.4.1} -\contentsline {subsection}{\numberline {5.4.2}Metrics}{105}{subsection.5.4.2} -\contentsline {subsection}{\numberline {5.4.3}Results Analysis and Comparison }{106}{subsection.5.4.3} -\contentsline {section}{\numberline {5.5}Conclusion}{112}{section.5.5} -\contentsline {chapter}{\numberline {6} Perimeter-based Coverage Optimization to Improve Lifetime in WSNs}{113}{chapter.6} -\contentsline {section}{\numberline {6.1}Introduction}{113}{section.6.1} -\contentsline {section}{\numberline {6.2}Description of the PeCO Protocol}{113}{section.6.2} -\contentsline {subsection}{\numberline {6.2.1}Assumptions and Models}{113}{subsection.6.2.1} -\contentsline {subsection}{\numberline {6.2.2}PeCO Protocol Algorithm}{116}{subsection.6.2.2} -\contentsline {section}{\numberline {6.3}Perimeter-based Coverage Problem Formulation}{118}{section.6.3} -\contentsline {section}{\numberline {6.4}Performance Evaluation and Analysis}{119}{section.6.4} -\contentsline {subsection}{\numberline {6.4.1}Simulation Settings}{119}{subsection.6.4.1} -\contentsline {subsection}{\numberline {6.4.2}Simulation Results}{120}{subsection.6.4.2} -\contentsline {subsubsection}{\numberline {6.4.2.1}Coverage Ratio}{120}{subsubsection.6.4.2.1} -\contentsline {subsubsection}{\numberline {6.4.2.2}Active Sensors Ratio}{120}{subsubsection.6.4.2.2} -\contentsline {subsubsection}{\numberline {6.4.2.3}Energy Consumption}{121}{subsubsection.6.4.2.3} -\contentsline {subsubsection}{\numberline {6.4.2.4}Network Lifetime}{121}{subsubsection.6.4.2.4} -\contentsline {subsubsection}{\numberline {6.4.2.5}Impact of $\alpha $ and $\beta $ on PeCO's performance}{122}{subsubsection.6.4.2.5} -\contentsline {section}{\numberline {6.5}Conclusion}{126}{section.6.5} -\contentsline {part}{III\hspace {1em}Conclusion and Perspectives}{127}{part.3} -\contentsline {chapter}{\numberline {7}Conclusion and Perspectives}{129}{chapter.7} -\contentsline {section}{\numberline {7.1}Conclusion}{129}{section.7.1} -\contentsline {section}{\numberline {7.2}Perspectives}{130}{section.7.2} -\contentsline {part}{Publications}{133}{chapter*.13} -\contentsline {part}{Bibliographie}{148}{chapter*.17} +\contentsline {chapter}{Dedication}{19}{chapter*.8} +\contentsline {chapter}{Acknowledgements}{21}{chapter*.9} +\contentsline {chapter}{Introduction }{23}{chapter*.10} +\contentsline {section}{1. General Introduction }{23}{section*.11} +\contentsline {section}{2. Motivation of the Dissertation }{24}{section*.12} +\contentsline {section}{3. Main Contributions of this Dissertation}{24}{section*.13} +\contentsline {section}{4. Dissertation Outline}{25}{section*.14} +\contentsline {part}{I\hspace {1em}Scientific Background}{27}{part.1} +\contentsline {chapter}{\numberline {1}Wireless Sensor Networks}{29}{chapter.1} +\contentsline {section}{\numberline {1.1}Introduction}{29}{section.1.1} +\contentsline {section}{\numberline {1.2}Architecture}{30}{section.1.2} +\contentsline {section}{\numberline {1.3}Types of Wireless Sensor Networks}{32}{section.1.3} +\contentsline {section}{\numberline {1.4}Applications}{34}{section.1.4} +\contentsline {section}{\numberline {1.5}The Main Challenges}{37}{section.1.5} +\contentsline {section}{\numberline {1.6}Energy-Efficient Mechanisms of a working WSN}{39}{section.1.6} +\contentsline {subsection}{\numberline {1.6.1}Energy-Efficient Routing}{39}{subsection.1.6.1} +\contentsline {subsubsection}{\numberline {1.6.1.1}Routing Metric based on Residual Energy}{39}{subsubsection.1.6.1.1} +\contentsline {subsubsection}{\numberline {1.6.1.2}Multipath Routing}{39}{subsubsection.1.6.1.2} +\contentsline {subsection}{\numberline {1.6.2}Cluster Architecture}{40}{subsection.1.6.2} +\contentsline {subsection}{\numberline {1.6.3}Scheduling Schemes}{40}{subsection.1.6.3} +\contentsline {subsubsection}{\numberline {1.6.3.1}Wake up Scheduling Schemes}{40}{subsubsection.1.6.3.1} +\contentsline {subsubsection}{\numberline {1.6.3.2}Topology Control Schemes}{43}{subsubsection.1.6.3.2} +\contentsline {subsection}{\numberline {1.6.4}Data-Driven Schemes}{43}{subsection.1.6.4} +\contentsline {subsubsection}{\numberline {1.6.4.1}Data Reduction Schemes}{44}{subsubsection.1.6.4.1} +\contentsline {subsubsection}{\numberline {1.6.4.2}Energy Efficient Data Acquisition Schemes}{44}{subsubsection.1.6.4.2} +\contentsline {subsection}{\numberline {1.6.5}Battery Repletion}{44}{subsection.1.6.5} +\contentsline {subsection}{\numberline {1.6.6}Radio Optimization}{44}{subsection.1.6.6} +\contentsline {subsection}{\numberline {1.6.7}Relay nodes and Sink Mobility}{45}{subsection.1.6.7} +\contentsline {subsubsection}{\numberline {1.6.7.1}Relay node placement}{45}{subsubsection.1.6.7.1} +\contentsline {subsubsection}{\numberline {1.6.7.2}Sink Mobility}{45}{subsubsection.1.6.7.2} +\contentsline {section}{\numberline {1.7}Network Lifetime}{45}{section.1.7} +\contentsline {section}{\numberline {1.8}Coverage in Wireless Sensor Networks }{46}{section.1.8} +\contentsline {section}{\numberline {1.9}Design Issues for Coverage Problems}{48}{section.1.9} +\contentsline {section}{\numberline {1.10}Energy Consumption Model}{49}{section.1.10} +\contentsline {section}{\numberline {1.11}Conclusion}{50}{section.1.11} +\contentsline {chapter}{\numberline {2}Related Works on Coverage Problems}{51}{chapter.2} +\contentsline {section}{\numberline {2.1}Introduction}{51}{section.2.1} +\contentsline {section}{\numberline {2.2}Centralized Algorithms}{53}{section.2.2} +\contentsline {section}{\numberline {2.3}Distributed Algorithms}{55}{section.2.3} +\contentsline {subsection}{\numberline {2.3.1}Geographical Adaptive Fidelity (GAF)}{57}{subsection.2.3.1} +\contentsline {subsection}{\numberline {2.3.2}Distributed Energy-efficient Scheduling for K-coverage (DESK)}{59}{subsection.2.3.2} +\contentsline {section}{\numberline {2.4}Conclusion}{63}{section.2.4} +\contentsline {chapter}{\numberline {3}Evaluation Tools and Optimization Solvers}{65}{chapter.3} +\contentsline {section}{\numberline {3.1}Introduction}{65}{section.3.1} +\contentsline {section}{\numberline {3.2}Evaluation Tools}{65}{section.3.2} +\contentsline {subsection}{\numberline {3.2.1}Testbed Tools}{66}{subsection.3.2.1} +\contentsline {subsection}{\numberline {3.2.2}Simulation Tools}{68}{subsection.3.2.2} +\contentsline {section}{\numberline {3.3}Optimization Solvers}{70}{section.3.3} +\contentsline {section}{\numberline {3.4}Conclusion}{74}{section.3.4} +\contentsline {part}{II\hspace {1em}Contributions}{75}{part.2} +\contentsline {chapter}{\numberline {4}Distributed Lifetime Coverage Optimization Protocol}{77}{chapter.4} +\contentsline {section}{\numberline {4.1}Introduction}{77}{section.4.1} +\contentsline {section}{\numberline {4.2}Description of the DiLCO Protocol}{78}{section.4.2} +\contentsline {subsection}{\numberline {4.2.1}Assumptions and Network Model}{78}{subsection.4.2.1} +\contentsline {subsection}{\numberline {4.2.2}Primary Point Coverage Model}{79}{subsection.4.2.2} +\contentsline {subsection}{\numberline {4.2.3}Main Idea}{79}{subsection.4.2.3} +\contentsline {subsubsection}{\numberline {4.2.3.1}Information Exchange Phase}{81}{subsubsection.4.2.3.1} +\contentsline {subsubsection}{\numberline {4.2.3.2}Leader Election Phase}{81}{subsubsection.4.2.3.2} +\contentsline {subsubsection}{\numberline {4.2.3.3}Decision phase}{82}{subsubsection.4.2.3.3} +\contentsline {subsubsection}{\numberline {4.2.3.4}Sensing phase}{82}{subsubsection.4.2.3.4} +\contentsline {section}{\numberline {4.3}Coverage Problem Formulation}{83}{section.4.3} +\contentsline {section}{\numberline {4.4}Simulation Results and Analysis}{85}{section.4.4} +\contentsline {subsection}{\numberline {4.4.1}Simulation Framework}{85}{subsection.4.4.1} +\contentsline {subsection}{\numberline {4.4.2}Modeling Language and Optimization Solver}{85}{subsection.4.4.2} +\contentsline {subsection}{\numberline {4.4.3}Energy Consumption Model}{85}{subsection.4.4.3} +\contentsline {subsection}{\numberline {4.4.4}Performance Metrics}{86}{subsection.4.4.4} +\contentsline {subsection}{\numberline {4.4.5}Performance Analysis for Different Number of Subregions}{87}{subsection.4.4.5} +\contentsline {subsection}{\numberline {4.4.6}Performance Analysis for Different Number of Primary Points}{92}{subsection.4.4.6} +\contentsline {subsection}{\numberline {4.4.7}Performance Comparison with other Approaches}{98}{subsection.4.4.7} +\contentsline {section}{\numberline {4.5}Conclusion}{104}{section.4.5} +\contentsline {chapter}{\numberline {5}Multiround Distributed Lifetime Coverage Optimization Protocol}{105}{chapter.5} +\contentsline {section}{\numberline {5.1}Introduction}{105}{section.5.1} +\contentsline {section}{\numberline {5.2}Description of the MuDiLCO Protocol }{105}{section.5.2} +\contentsline {section}{\numberline {5.3}Primary Points based Multiround Coverage Problem Formulation}{107}{section.5.3} +\contentsline {section}{\numberline {5.4}Experimental Study and Analysis}{109}{section.5.4} +\contentsline {subsection}{\numberline {5.4.1}Simulation Setup}{109}{subsection.5.4.1} +\contentsline {subsection}{\numberline {5.4.2}Metrics}{109}{subsection.5.4.2} +\contentsline {subsection}{\numberline {5.4.3}Results Analysis and Comparison }{110}{subsection.5.4.3} +\contentsline {section}{\numberline {5.5}Conclusion}{116}{section.5.5} +\contentsline {chapter}{\numberline {6} Perimeter-based Coverage Optimization to Improve Lifetime in WSNs}{117}{chapter.6} +\contentsline {section}{\numberline {6.1}Introduction}{117}{section.6.1} +\contentsline {section}{\numberline {6.2}Description of the PeCO Protocol}{117}{section.6.2} +\contentsline {subsection}{\numberline {6.2.1}Assumptions and Models}{117}{subsection.6.2.1} +\contentsline {subsection}{\numberline {6.2.2}PeCO Protocol Algorithm}{120}{subsection.6.2.2} +\contentsline {section}{\numberline {6.3}Perimeter-based Coverage Problem Formulation}{123}{section.6.3} +\contentsline {section}{\numberline {6.4}Performance Evaluation and Analysis}{124}{section.6.4} +\contentsline {subsection}{\numberline {6.4.1}Simulation Settings}{124}{subsection.6.4.1} +\contentsline {subsection}{\numberline {6.4.2}Simulation Results}{125}{subsection.6.4.2} +\contentsline {subsubsection}{\numberline {6.4.2.1}Coverage Ratio}{125}{subsubsection.6.4.2.1} +\contentsline {subsubsection}{\numberline {6.4.2.2}Active Sensors Ratio}{125}{subsubsection.6.4.2.2} +\contentsline {subsubsection}{\numberline {6.4.2.3}Energy Consumption}{126}{subsubsection.6.4.2.3} +\contentsline {subsubsection}{\numberline {6.4.2.4}Network Lifetime}{126}{subsubsection.6.4.2.4} +\contentsline {subsubsection}{\numberline {6.4.2.5}Impact of $\alpha $ and $\beta $ on PeCO's performance}{127}{subsubsection.6.4.2.5} +\contentsline {section}{\numberline {6.5}Conclusion}{131}{section.6.5} +\contentsline {part}{III\hspace {1em}Conclusion and Perspectives}{133}{part.3} +\contentsline {chapter}{\numberline {7}Conclusion and Perspectives}{135}{chapter.7} +\contentsline {section}{\numberline {7.1}Conclusion}{135}{section.7.1} +\contentsline {section}{\numberline {7.2}Perspectives}{136}{section.7.2} +\contentsline {part}{Publications}{139}{chapter*.15} +\contentsline {part}{Bibliographie}{154}{chapter*.19}