\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 {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}{84}{section.4.4}
-\contentsline {subsection}{\numberline {4.4.1}Simulation Framework}{84}{subsection.4.4.1}
-\contentsline {subsection}{\numberline {4.4.2}Modeling Language and Optimization Solver}{84}{subsection.4.4.2}
+\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 {4.4.6}Performance Analysis for Different Number of Primary Points}{93}{subsection.4.4.6}
-\contentsline {subsection}{\numberline {4.4.7}Performance Comparison with other Approaches}{97}{subsection.4.4.7}
-\contentsline {section}{\numberline {4.5}Conclusion}{104}{section.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}{96}{subsection.4.4.7}
+\contentsline {section}{\numberline {4.5}Conclusion}{103}{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 {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}{108}{section.5.4}
-\contentsline {subsection}{\numberline {5.4.1}Simulation Setup}{108}{subsection.5.4.1}
-\contentsline {subsection}{\numberline {5.4.2}Metrics}{108}{subsection.5.4.2}
-\contentsline {subsection}{\numberline {5.4.3}Results Analysis and Comparison }{109}{subsection.5.4.3}
+\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 {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}{122}{section.6.3}
-\contentsline {section}{\numberline {6.4}Performance Evaluation and Analysis}{123}{section.6.4}
-\contentsline {subsection}{\numberline {6.4.1}Simulation Settings}{123}{subsection.6.4.1}
-\contentsline {subsection}{\numberline {6.4.2}Simulation Results}{124}{subsection.6.4.2}
-\contentsline {subsubsection}{\numberline {6.4.2.1}Coverage Ratio}{124}{subsubsection.6.4.2.1}
-\contentsline {subsubsection}{\numberline {6.4.2.2}Active Sensors Ratio}{124}{subsubsection.6.4.2.2}
-\contentsline {subsubsection}{\numberline {6.4.2.3}Energy Consumption}{125}{subsubsection.6.4.2.3}
-\contentsline {subsubsection}{\numberline {6.4.2.4}Network Lifetime}{125}{subsubsection.6.4.2.4}
-\contentsline {subsubsection}{\numberline {6.4.2.5}Impact of $\alpha $ and $\beta $ on PeCO's performance}{126}{subsubsection.6.4.2.5}
-\contentsline {section}{\numberline {6.5}Conclusion}{130}{section.6.5}
-\contentsline {part}{III\hspace {1em}Conclusion and Perspectives}{131}{part.3}
-\contentsline {chapter}{\numberline {7}Conclusion and Perspectives}{133}{chapter.7}
-\contentsline {section}{\numberline {7.1}Conclusion}{133}{section.7.1}
-\contentsline {section}{\numberline {7.2}Perspectives}{134}{section.7.2}
-\contentsline {part}{Publications}{137}{chapter*.15}
-\contentsline {part}{Bibliographie}{152}{chapter*.19}
+\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}
