\contentsline {section}{\numberline {1.4}Wireless Sensor Network Applications}{22}{section.1.4}
\contentsline {section}{\numberline {1.5}The Main Challenges in Wireless Sensor Networks}{25}{section.1.5}
\contentsline {section}{\numberline {1.6}Energy-Efficient Mechanisms in Wireless Sensor Networks}{27}{section.1.6}
-\contentsline {subsection}{\numberline {1.6.1}Energy-Efficient Routing:}{27}{subsection.1.6.1}
-\contentsline {subsubsection}{\numberline {1.6.1.1}Routing Metric based on Residual Energy:}{27}{subsubsection.1.6.1.1}
-\contentsline {subsubsection}{\numberline {1.6.1.2}Multipath Routing:}{28}{subsubsection.1.6.1.2}
-\contentsline {subsection}{\numberline {1.6.2}Cluster Architectures:}{28}{subsection.1.6.2}
-\contentsline {subsection}{\numberline {1.6.3}Scheduling Schemes:}{28}{subsection.1.6.3}
-\contentsline {subsubsection}{\numberline {1.6.3.1}Wake up Scheduling Schemes:}{29}{subsubsection.1.6.3.1}
-\contentsline {subsubsection}{\numberline {1.6.3.2}Topology Control Schemes:}{31}{subsubsection.1.6.3.2}
-\contentsline {subsection}{\numberline {1.6.4}Data-Driven Schemes:}{32}{subsection.1.6.4}
+\contentsline {subsection}{\numberline {1.6.1}Energy-Efficient Routing}{27}{subsection.1.6.1}
+\contentsline {subsubsection}{\numberline {1.6.1.1}Routing Metric based on Residual Energy}{27}{subsubsection.1.6.1.1}
+\contentsline {subsubsection}{\numberline {1.6.1.2}Multipath Routing}{28}{subsubsection.1.6.1.2}
+\contentsline {subsection}{\numberline {1.6.2}Cluster Architectures}{28}{subsection.1.6.2}
+\contentsline {subsection}{\numberline {1.6.3}Scheduling Schemes}{28}{subsection.1.6.3}
+\contentsline {subsubsection}{\numberline {1.6.3.1}Wake up Scheduling Schemes}{29}{subsubsection.1.6.3.1}
+\contentsline {subsubsection}{\numberline {1.6.3.2}Topology Control Schemes}{31}{subsubsection.1.6.3.2}
+\contentsline {subsection}{\numberline {1.6.4}Data-Driven Schemes}{32}{subsection.1.6.4}
\contentsline {subsubsection}{\numberline {1.6.4.1}Data Reduction Schemes}{32}{subsubsection.1.6.4.1}
\contentsline {subsubsection}{\numberline {1.6.4.2}Energy Efficient Data Acquisition Schemes}{32}{subsubsection.1.6.4.2}
-\contentsline {subsection}{\numberline {1.6.5}Battery Repletion:}{33}{subsection.1.6.5}
-\contentsline {subsubsection}{\numberline {1.6.5.1}Energy Harvesting:}{33}{subsubsection.1.6.5.1}
-\contentsline {subsubsection}{\numberline {1.6.5.2}Wireless Charging:}{33}{subsubsection.1.6.5.2}
-\contentsline {subsection}{\numberline {1.6.6}Radio Optimization:}{33}{subsection.1.6.6}
-\contentsline {subsection}{\numberline {1.6.7}Relay nodes and Sink Mobility:}{33}{subsection.1.6.7}
-\contentsline {subsubsection}{\numberline {1.6.7.1}Relay node placement:}{33}{subsubsection.1.6.7.1}
-\contentsline {subsubsection}{\numberline {1.6.7.2}Sink Mobility:}{34}{subsubsection.1.6.7.2}
+\contentsline {subsection}{\numberline {1.6.5}Battery Repletion}{33}{subsection.1.6.5}
+\contentsline {subsubsection}{\numberline {1.6.5.1}Energy Harvesting}{33}{subsubsection.1.6.5.1}
+\contentsline {subsubsection}{\numberline {1.6.5.2}Wireless Charging}{33}{subsubsection.1.6.5.2}
+\contentsline {subsection}{\numberline {1.6.6}Radio Optimization}{33}{subsection.1.6.6}
+\contentsline {subsection}{\numberline {1.6.7}Relay nodes and Sink Mobility}{33}{subsection.1.6.7}
+\contentsline {subsubsection}{\numberline {1.6.7.1}Relay node placement}{33}{subsubsection.1.6.7.1}
+\contentsline {subsubsection}{\numberline {1.6.7.2}Sink Mobility}{34}{subsubsection.1.6.7.2}
\contentsline {section}{\numberline {1.7}Network Lifetime in Wireless Sensor Networks}{34}{section.1.7}
\contentsline {section}{\numberline {1.8}Coverage in Wireless Sensor Networks }{35}{section.1.8}
-\contentsline {section}{\numberline {1.9}Design Issues for Coverage Problems:}{36}{section.1.9}
-\contentsline {section}{\numberline {1.10}Energy Consumption Modeling:}{37}{section.1.10}
+\contentsline {section}{\numberline {1.9}Design Issues for Coverage Problems}{36}{section.1.9}
+\contentsline {section}{\numberline {1.10}Energy Consumption Modeling}{37}{section.1.10}
\contentsline {section}{\numberline {1.11}Conclusion}{39}{section.1.11}
\contentsline {chapter}{\numberline {2}Related Works on Coverage Problems}{41}{chapter.2}
\contentsline {section}{\numberline {2.1}Introduction}{41}{section.2.1}
