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@@ -2734,18 +2734,25 @@ to take another route.
%protecting privacy of cell phone users.
This thesis investigated how difficult it is to integrate mobile assisted GPS localization in GSM
-networks. The aim of this work was to implement the ``first'' working open source RRLP
+networks on undedicated and dedicated GSM hardware. The aim of this work was to implement the
+``first'' working open source RRLP
implementation in GSM networks, as well as to determine and evaluate the limits of this localization
-technique. The research performed in this work has shown that it is neither impossibly convoluted nor burdensome to
-estimate the position of GSM users even inside of buildings granted that required assistance
-data can be provided by the GSM network operator. The findings of this study indicate that GSM users
-of smart phones can be tracked accurately and precisely without their knowledge. One implication of this
-evidence is to suggest that it would not be complicated for German law enforcement agencies to employ this precise
-surveillance technique to follow suspects. According to the German Interior Minister Hans-Peter Friedrich,
-in 2011 silent SMS were employed with the UL-TDOA technique to track down suspects \citep{silentPolice}.
-The law is unclear if silent SMS can be considered communication when taking into
-consideration that no information is sent to the GSM user, and it remains a gray area from the legal point of view
-\citep{silentPolice}. "The state found that it was not communication, since there is no content. This is useful,
+technique. Both goals were accomplished, a working RRLP protocol inside of data channels was
+successfully implemented. The evaluated results proved that out of 11 tested cell phone models, 6 successfully
+provided their GPS location. An analysis, with regards to accuracy and precision of the delivered positions, was
+discussed.
+
+The research performed in this work has shown that it is neither impossibly
+convoluted nor burdensome to estimate the position of GSM users even inside of buildings granted that
+required assistance data can be provided by the GSM network operator. The findings of this study indicate
+that GSM users of smart phones can be tracked accurately and precisely without their knowledge. One
+implication of this evidence is to suggest that it would not be complicated for German law enforcement
+agencies to employ this precise surveillance technique to follow suspects. According to the German
+Interior Minister Hans-Peter Friedrich, in 2011 silent SMS were employed with the UL-TDOA technique to
+track down suspects \citep{silentPolice}. The law is unclear if silent SMS can be considered communication
+when taking into consideration that no information is sent to the GSM user, and it remains a gray area
+from the legal point of view \citep{silentPolice}. "The state found that it was not communication,
+since there is no content. This is useful,
because if it is not a communication, it does not fall under the framework of the inviolability of
telecommunications described in Article 10 of the German Constitution." said Mathias Monroy from
Heise Online \citep{silentPolice}. The development of a working RRLP application and the obtained
@@ -2755,7 +2762,7 @@ Finally, a number of important limitations in the obtained results need to be co
Not all assistance data were available, the tests were performed at different time points
during the day, and the number of types of tested cell phones was not globally representative enough.
This work has raised some questions in need of further investigation but it also illustrates
-that this is only a tip of the iceberg! A future study investigating the results of further
+that this is only a small revealed section of a larger hidden issue! A future study investigating the results of further
assistance data being provided to the cell phones would be very interesting. The produced RRLP
software and obtained results may be used to develop new strategies aimed at protecting the privacy
of cell phone users.