\label{ch6}
-\section{summary}
+\section{Summary}
\label{ch6:sec:01}
The most important problem in a Wireless Sensor Network (WSN) is to optimize the
OMNeT++, the discrete event simulator, to demonstrate that PeCO can
offer longer lifetime coverage for WSNs in comparison with some other protocols.
-\section{THE PeCO PROTOCOL DESCRIPTION}
+\section{The PeCO Protocol Description}
\label{ch6:sec:02}
\noindent In this section, we describe in details our Lifetime Coverage
\begin{figure}[t!]
\centering
-\includegraphics[width=95.5mm]{Figures/ch6/Model.pdf}
+\includegraphics[scale=0.80]{Figures/ch6/Model.pdf}
\caption{PeCO protocol.}
\label{fig2}
\end{figure}
\parskip 0pt
\begin{figure}[h!]
\centering
- \includegraphics[scale=0.5] {Figures/ch6/R/CR.eps}
+ \includegraphics[scale=0.8] {Figures/ch6/R/CR.eps}
\caption{Coverage ratio for 200 deployed nodes.}
\label{fig333}
\end{figure}
\begin{figure}[h!]
\centering
-\includegraphics[scale=0.5]{Figures/ch6/R/ASR.eps}
+\includegraphics[scale=0.8]{Figures/ch6/R/ASR.eps}
\caption{Active sensors ratio for 200 deployed nodes.}
\label{fig444}
\end{figure}
\begin{figure}[h!]
\centering
\begin{tabular}{@{}cr@{}}
- \includegraphics[scale=0.475]{Figures/ch6/R/EC95.eps} & \raisebox{2.75cm}{(a)} \\
- \includegraphics[scale=0.475]{Figures/ch6/R/EC50.eps} & \raisebox{2.75cm}{(b)}
+ \includegraphics[scale=0.8]{Figures/ch6/R/EC95.eps} & \raisebox{4cm}{(a)} \\
+ \includegraphics[scale=0.8]{Figures/ch6/R/EC50.eps} & \raisebox{4cm}{(b)}
\end{tabular}
\caption{Energy consumption per period for (a)~$Lifetime_{95}$ and (b)~$Lifetime_{50}$.}
\label{fig3EC}
\begin{figure}[h!]
\centering
\begin{tabular}{@{}cr@{}}
- \includegraphics[scale=0.475]{Figures/ch6/R/LT95.eps} & \raisebox{2.75cm}{(a)} \\
- \includegraphics[scale=0.475]{Figures/ch6/R/LT50.eps} & \raisebox{2.75cm}{(b)}
+ \includegraphics[scale=0.8]{Figures/ch6/R/LT95.eps} & \raisebox{4cm}{(a)} \\
+ \includegraphics[scale=0.8]{Figures/ch6/R/LT50.eps} & \raisebox{4cm}{(b)}
\end{tabular}
\caption{Network Lifetime for (a)~$Lifetime_{95}$ and (b)~$Lifetime_{50}$.}
\label{fig3LT}
not ineffective for the smallest network sizes.
\begin{figure}[h!]
-\centering \includegraphics[scale=0.5]{Figures/ch6/R/LTa.eps}
+\centering \includegraphics[scale=0.8]{Figures/ch6/R/LTa.eps}
\caption{Network lifetime for different coverage ratios.}
\label{figLTALL}
\end{figure}