Add more plots

paper/paper.tex

@@ -41,7 +41,7 @@
 \author{Jan Sebastian Götte\inst{1} \and Björn Scheuermann\inst{2}}
 \institute{Technical University of Darmstadt, Darmstadt, Germany, \email{jan.goette@tu-darmstadt.de}\and
     Technical University of Darmstadt, Darmstadt, Germany, \email{bjoern.scheuermann@kom.tu-darmstadt.de}}
-\title{High Fidelity Security Mesh Monitoring using a Low-Cost, Embedded Time Domain Reflectometer}
+\title{High Fidelity Security Mesh Monitoring using Low-Cost, Embedded Time Domain Reflectometry}
 \maketitle
 
 % FIXME maybe don't use HSM, maybe use active tamper sensing? envelope protection?
@@ -274,7 +274,63 @@ parallel with a short, terminated transmission line stub. The length of this stu
 
 \section{Experimental Evaluation}
 
-% self-measured rise times for PI3HDX12211 with AND without clipline (-> ad-hoc change board!), 74LVC1G157, MAX3748, ONET8501 and TDP0604.
+\subsection{Rise time measurement}
+\begin{figure}
+    \begin{center}
+        \includegraphics[width=\textwidth]{fig_edge_risetime.pdf}
+    \end{center}
+    \caption{The trailing edge of the stimulus pulse with no mesh connected measured by the board itself, using
+    different amplifier ICs. Both positive and negative channels of the differential pair are shown individually.
+    Vertical scale is in Volts at the sampling amplifier output, which is not comparable in absolute value between ICs
+    because amplifier gain and frequency compensation are tuned individually.}
+    \label{fig_edge_risetime}
+\end{figure}
+
+\begin{figure}
+    \begin{center}
+        \includegraphics[width=\textwidth]{fig_mesh_length.pdf}
+    \end{center}
+    \caption{}
+    \label{fig_mesh_length}
+\end{figure}
+
+\begin{table}
+    \begin{center}
+        \begin{tabular}{r|cccc}
+            \textbf{IC}
+            &\texttt{74LVC1G157}
+            &\texttt{MAX3748}
+            &\texttt{TDP0604}
+            &\texttt{PI3HDX12211}\\\hline
+            \textbf{$t_r$}&
+            \qty{497}{\pico\second}&
+            \qty{998}{\pico\second}&
+            \qty{951}{\pico\second}&
+            \qty{145}{\pico\second}
+        \end{tabular}
+    \end{center}
+    \caption{Single-ended stimulus edge rise times for different amplifier ICs. The single-ended rise times of both
+    positive and negative half of the differential pair have been averaged.}
+    \label{tab_edge_risetime}
+\end{table}
+
+\subsection{Tamper tests}
+
+\begin{figure}
+    \begin{center}
+        \includegraphics[width=\textwidth]{fig_manip_shape.pdf}
+    \end{center}
+    \caption{}
+    \label{fig_manip_shape}
+\end{figure}
+
+\begin{figure}
+    \begin{center}
+        \includegraphics[width=\textwidth]{fig_probe_shape.pdf}
+    \end{center}
+    \caption{}
+    \label{fig_probe_shape}
+\end{figure}
 % spectrum analyzer-measured reconstructed rise times for PI3HDX12211 (new measuremewnts!) ONET8501 and TDP0604
 % Length measurements for all four different meshes
 % One constructed mesh discontinuity example
@@ -291,8 +347,6 @@ where the fault occurs along the mesh. Compared to previous work, our approach p
 its characterization of a security mesh while simultaneously being less expensive, enabling more sophisticated tamper
 detection algorithms.
 
-
-
 \section*{Availability}
 This is version \texttt{\input{version.tex}\unskip} of this paper, generated on \today.