-\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}