diff --git a/competition/tex/chapters/barometer.tex b/competition/tex/chapters/barometer.tex
new file mode 100644
index 0000000..b54938e
--- /dev/null
+++ b/competition/tex/chapters/barometer.tex
@@ -0,0 +1,6 @@
+\subsection{Barometer}
+	
+	used if available 
+	relative positioning (z)
+	relative to the first few measurements 
+	also used to determine uncertainty
diff --git a/competition/tex/chapters/graph.tex b/competition/tex/chapters/graph.tex
new file mode 100644
index 0000000..995e970
--- /dev/null
+++ b/competition/tex/chapters/graph.tex
@@ -0,0 +1,7 @@
+\subsection{Transition}
+	
+	a graph based on the building's floorplan
+	uses prior knowledge (floorplan + desired destination [if known])
+	uses random-walks to perform the transition
+	uses imo (acc,gyro) for the random-walk (distance/direction)
+	calculated offline
diff --git a/competition/tex/chapters/introduction.tex b/competition/tex/chapters/introduction.tex
index d1c96b6..b8c6942 100644
--- a/competition/tex/chapters/introduction.tex
+++ b/competition/tex/chapters/introduction.tex
@@ -22,12 +22,12 @@ System setup is very easily and no fingerprinting is required.
 \section{Component Description}
 Zu jeder Componente eine kurze Beschreibung welche die Grundfunktionen und den Wert innerhalb des Systems deutlich hervorhebt. Details werden dann referenziert. 
 
+	\input{chapters/barometer.tex}
+	\input{chapters/wifi.tex}
+	\input{chapters/stepturn.tex}
+	\input{chapters/graph.tex}
+
 \begin{itemize}
-	\item Barometer
-	\item Wifi-Beacons
-	\item Step and turn
-	\item Transition using Graph
-	\item Additional navigation information
 	\item Fixed-lag smoother
 \end{itemize}
 
diff --git a/competition/tex/chapters/stepturn.tex b/competition/tex/chapters/stepturn.tex
new file mode 100644
index 0000000..74e4711
--- /dev/null
+++ b/competition/tex/chapters/stepturn.tex
@@ -0,0 +1,7 @@
+\subsection{Step- and Turn-Detection}
+	
+	used for the transition step
+	uses the smartphone's imu (acc, gyro)
+	simple step detection using magnitudes
+	simple turn detection by integrating over the gyro
+	feeds the transition 
diff --git a/competition/tex/chapters/wifi.tex b/competition/tex/chapters/wifi.tex
new file mode 100644
index 0000000..7523037
--- /dev/null
+++ b/competition/tex/chapters/wifi.tex
@@ -0,0 +1,14 @@
+\subsection{\docWIFI}
+
+	absolute positioning using wifi (x,y,z)
+	no fingerprinting
+	uses signal-strength prediction model
+	position of access points must be known beforehand
+	only 2 parameters for all APs
+	only vague position estimation
+	
+\subsection{\docIBeacon{}s}
+
+	optional
+	same as wifi
+	but only one param: as txp is broadcasted