\contentsline {section}{\numberline {1.7}Network Lifetime in Wireless Sensor Networks}{18}{section.1.7}
\contentsline {section}{\numberline {1.8}Coverage in Wireless Sensor Networks }{19}{section.1.8}
\contentsline {section}{\numberline {1.9}Design Issues for Coverage Problems:}{20}{section.1.9}
-\contentsline {section}{\numberline {1.10}Energy Consumption Models:}{21}{section.1.10}
-\contentsline {subsection}{\numberline {1.10.1}Radio Energy Dissipation Model:}{22}{subsection.1.10.1}
-\contentsline {subsection}{\numberline {1.10.2}Our Energy Consumption Model:}{23}{subsection.1.10.2}
-\contentsline {section}{\numberline {1.11}Conclusion}{24}{section.1.11}
+\contentsline {section}{\numberline {1.10}Energy Consumption Modeling:}{21}{section.1.10}
+\contentsline {section}{\numberline {1.11}Conclusion}{23}{section.1.11}
\contentsline {chapter}{\numberline {2}Related Literatures}{25}{chapter.2}
\contentsline {section}{\numberline {2.1}Introduction}{25}{section.2.1}
\contentsline {section}{\numberline {2.2}Coverage Algorithms}{26}{section.2.2}
\contentsline {section}{\numberline {3.3}COVERAGE PROBLEM FORMULATION}{41}{section.3.3}
\contentsline {section}{\numberline {3.4}Simulation Results and Analysis}{43}{section.3.4}
\contentsline {subsection}{\numberline {3.4.1}Simulation Framework}{43}{subsection.3.4.1}
-\contentsline {subsection}{\numberline {3.4.2}Performance Metrics}{44}{subsection.3.4.2}
-\contentsline {subsection}{\numberline {3.4.3}Performance Analysis for Different Subregions}{45}{subsection.3.4.3}
-\contentsline {subsubsection}{\numberline {3.4.3.1}Coverage Ratio}{45}{subsubsection.3.4.3.1}
-\contentsline {subsubsection}{\numberline {3.4.3.2}Active Sensors Ratio}{46}{subsubsection.3.4.3.2}
-\contentsline {subsubsection}{\numberline {3.4.3.3}The percentage of stopped simulation runs}{47}{subsubsection.3.4.3.3}
-\contentsline {subsubsection}{\numberline {3.4.3.4}The Energy Consumption}{47}{subsubsection.3.4.3.4}
-\contentsline {subsubsection}{\numberline {3.4.3.5}Execution Time}{49}{subsubsection.3.4.3.5}
-\contentsline {subsubsection}{\numberline {3.4.3.6}The Network Lifetime}{49}{subsubsection.3.4.3.6}
-\contentsline {subsection}{\numberline {3.4.4}Performance Analysis for Primary Point Models}{50}{subsection.3.4.4}
-\contentsline {subsubsection}{\numberline {3.4.4.1}Coverage Ratio}{51}{subsubsection.3.4.4.1}
-\contentsline {subsubsection}{\numberline {3.4.4.2}Active Sensors Ratio}{51}{subsubsection.3.4.4.2}
-\contentsline {subsubsection}{\numberline {3.4.4.3}The percentage of stopped simulation runs}{52}{subsubsection.3.4.4.3}
-\contentsline {subsubsection}{\numberline {3.4.4.4}The Energy Consumption}{53}{subsubsection.3.4.4.4}
-\contentsline {subsubsection}{\numberline {3.4.4.5}Execution Time}{54}{subsubsection.3.4.4.5}
-\contentsline {subsubsection}{\numberline {3.4.4.6}The Network Lifetime}{54}{subsubsection.3.4.4.6}
-\contentsline {subsection}{\numberline {3.4.5}Performance Comparison with other Approaches}{56}{subsection.3.4.5}
-\contentsline {subsubsection}{\numberline {3.4.5.1}Coverage Ratio}{56}{subsubsection.3.4.5.1}
-\contentsline {subsubsection}{\numberline {3.4.5.2}Active Sensors Ratio}{57}{subsubsection.3.4.5.2}
-\contentsline {subsubsection}{\numberline {3.4.5.3}The percentage of stopped simulation runs}{57}{subsubsection.3.4.5.3}
-\contentsline {subsubsection}{\numberline {3.4.5.4}The Energy Consumption}{58}{subsubsection.3.4.5.4}
-\contentsline {subsubsection}{\numberline {3.4.5.5}The Network Lifetime}{59}{subsubsection.3.4.5.5}
-\contentsline {section}{\numberline {3.5}Conclusion}{60}{section.3.5}
+\contentsline {subsection}{\numberline {3.4.2}Energy Consumption Model}{44}{subsection.3.4.2}
+\contentsline {subsection}{\numberline {3.4.3}Performance Metrics}{44}{subsection.3.4.3}
+\contentsline {subsection}{\numberline {3.4.4}Performance Analysis for Different Subregions}{46}{subsection.3.4.4}
+\contentsline {subsubsection}{\numberline {3.4.4.1}Coverage Ratio}{46}{subsubsection.3.4.4.1}
+\contentsline {subsubsection}{\numberline {3.4.4.2}Active Sensors Ratio}{47}{subsubsection.3.4.4.2}
+\contentsline {subsubsection}{\numberline {3.4.4.3}The percentage of stopped simulation runs}{47}{subsubsection.3.4.4.3}
+\contentsline {subsubsection}{\numberline {3.4.4.4}The Energy Consumption}{48}{subsubsection.3.4.4.4}
+\contentsline {subsubsection}{\numberline {3.4.4.5}Execution Time}{49}{subsubsection.3.4.4.5}
+\contentsline {subsubsection}{\numberline {3.4.4.6}The Network Lifetime}{49}{subsubsection.3.4.4.6}
+\contentsline {subsection}{\numberline {3.4.5}Performance Analysis for Primary Point Models}{51}{subsection.3.4.5}
+\contentsline {subsubsection}{\numberline {3.4.5.1}Coverage Ratio}{51}{subsubsection.3.4.5.1}
+\contentsline {subsubsection}{\numberline {3.4.5.2}Active Sensors Ratio}{51}{subsubsection.3.4.5.2}
+\contentsline {subsubsection}{\numberline {3.4.5.3}The percentage of stopped simulation runs}{53}{subsubsection.3.4.5.3}
+\contentsline {subsubsection}{\numberline {3.4.5.4}The Energy Consumption}{53}{subsubsection.3.4.5.4}
+\contentsline {subsubsection}{\numberline {3.4.5.5}Execution Time}{54}{subsubsection.3.4.5.5}
+\contentsline {subsubsection}{\numberline {3.4.5.6}The Network Lifetime}{55}{subsubsection.3.4.5.6}
+\contentsline {subsection}{\numberline {3.4.6}Performance Comparison with other Approaches}{56}{subsection.3.4.6}
+\contentsline {subsubsection}{\numberline {3.4.6.1}Coverage Ratio}{56}{subsubsection.3.4.6.1}
+\contentsline {subsubsection}{\numberline {3.4.6.2}Active Sensors Ratio}{57}{subsubsection.3.4.6.2}
+\contentsline {subsubsection}{\numberline {3.4.6.3}The percentage of stopped simulation runs}{58}{subsubsection.3.4.6.3}
+\contentsline {subsubsection}{\numberline {3.4.6.4}The Energy Consumption}{58}{subsubsection.3.4.6.4}
+\contentsline {subsubsection}{\numberline {3.4.6.5}The Network Lifetime}{59}{subsubsection.3.4.6.5}
+\contentsline {section}{\numberline {3.5}Conclusion}{61}{section.3.5}
\contentsline {chapter}{\numberline {4}Multiround Distributed Lifetime Coverage Optimization Protocol in Wireless Sensor Networks}{63}{chapter.4}
\contentsline {section}{\numberline {4.1}Summary}{63}{section.4.1}
\contentsline {section}{\numberline {4.2}MuDiLCO protocol description}{63}{section.4.2}
\contentsline {subsection}{\numberline {4.2.5}Sensing phase}{66}{subsection.4.2.5}
\contentsline {section}{\numberline {4.3}Experimental Study and Analysis}{66}{section.4.3}
\contentsline {subsection}{\numberline {4.3.1}Simulation Setup}{66}{subsection.4.3.1}
-\contentsline {subsection}{\numberline {4.3.2}Metrics}{68}{subsection.4.3.2}
+\contentsline {subsection}{\numberline {4.3.2}Metrics}{67}{subsection.4.3.2}
\contentsline {subsection}{\numberline {4.3.3}Results analysis and Comparison }{69}{subsection.4.3.3}
\contentsline {subsection}{\numberline {4.3.4}Coverage ratio}{69}{subsection.4.3.4}
\contentsline {subsection}{\numberline {4.3.5}Active sensors ratio}{69}{subsection.4.3.5}
\contentsline {subsection}{\numberline {4.3.6}Stopped simulation runs}{70}{subsection.4.3.6}
-\contentsline {subsection}{\numberline {4.3.7}Energy consumption}{70}{subsection.4.3.7}
-\contentsline {subsection}{\numberline {4.3.8}Execution time}{72}{subsection.4.3.8}
+\contentsline {subsection}{\numberline {4.3.7}Energy consumption}{71}{subsection.4.3.7}
+\contentsline {subsection}{\numberline {4.3.8}Execution time}{71}{subsection.4.3.8}
\contentsline {subsection}{\numberline {4.3.9}Network lifetime}{72}{subsection.4.3.9}
-\contentsline {section}{\numberline {4.4}Conclusion}{73}{section.4.4}
-\contentsline {part}{III\hspace {1em}Conclusions and Perspectives}{75}{part.3}
-\contentsline {part}{Bibliographie}{85}{chapter*.6}
+\contentsline {section}{\numberline {4.4}Conclusion}{72}{section.4.4}
+\contentsline {chapter}{\numberline {5}Perimeter-based Coverage Optimization to Improve Lifetime in Wireless Sensor Networks}{75}{chapter.5}
+\contentsline {section}{\numberline {5.1}summary}{75}{section.5.1}
+\contentsline {section}{\numberline {5.2}THE PeCO PROTOCOL DESCRIPTION}{75}{section.5.2}
+\contentsline {subsection}{\numberline {5.2.1}Assumptions and Models}{75}{subsection.5.2.1}
+\contentsline {subsection}{\numberline {5.2.2}The Main Idea}{78}{subsection.5.2.2}
+\contentsline {subsection}{\numberline {5.2.3}PeCO Protocol Algorithm}{79}{subsection.5.2.3}
+\contentsline {section}{\numberline {5.3}LIFETIME COVERAGE PROBLEM FORMULATION}{80}{section.5.3}
+\contentsline {section}{\numberline {5.4}Performance Evaluation and Analysis}{82}{section.5.4}
+\contentsline {subsection}{\numberline {5.4.1}Simulation Settings}{82}{subsection.5.4.1}
+\contentsline {subsection}{\numberline {5.4.2}Simulation Results}{82}{subsection.5.4.2}
+\contentsline {subsubsection}{\numberline {5.4.2.1}Coverage Ratio}{83}{subsubsection.5.4.2.1}
+\contentsline {subsubsection}{\numberline {5.4.2.2}Active Sensors Ratio}{84}{subsubsection.5.4.2.2}
+\contentsline {subsubsection}{\numberline {5.4.2.3}The Energy Consumption}{84}{subsubsection.5.4.2.3}
+\contentsline {subsubsection}{\numberline {5.4.2.4}The Network Lifetime}{84}{subsubsection.5.4.2.4}
+\contentsline {section}{\numberline {5.5}Conclusion}{85}{section.5.5}
+\contentsline {part}{III\hspace {1em}Conclusions and Perspectives}{89}{part.3}
+\contentsline {part}{Bibliographie}{100}{chapter*.6}
