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authorRefik Hadzialic2012-09-04 12:33:45 +0200
committerRefik Hadzialic2012-09-04 12:33:45 +0200
commit5cab61672ee1e35958bd81f3af201641d0204c4d (patch)
tree645a8736f1fd582e96b07992f337a0a2b60c7600
parentReferenced all tables! (diff)
downloadmalign-5cab61672ee1e35958bd81f3af201641d0204c4d.tar.gz
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Intro modification
-rw-r--r--vorlagen/thesis/maindoc.pdfbin17591290 -> 17593509 bytes
-rw-r--r--vorlagen/thesis/src/.kapitel_x.tex.kate-swpbin0 -> 818 bytes
-rw-r--r--vorlagen/thesis/src/bib/literatur.bib8
-rw-r--r--vorlagen/thesis/src/kapitel_x.tex84
4 files changed, 70 insertions, 22 deletions
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--- a/vorlagen/thesis/maindoc.pdf
+++ b/vorlagen/thesis/maindoc.pdf
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diff --git a/vorlagen/thesis/src/bib/literatur.bib b/vorlagen/thesis/src/bib/literatur.bib
index a192bd0..20e65d0 100644
--- a/vorlagen/thesis/src/bib/literatur.bib
+++ b/vorlagen/thesis/src/bib/literatur.bib
@@ -3,6 +3,14 @@
% This file was created with JabRef 2.7b.
% Encoding: ISO8859_1
+@misc{phraseBook,
+ author = "John Morley",
+ howpublished = "\url{http://www.phrasebank.manchester.ac.uk/index.htm}",
+ note = "[Online; accessed 5-April-2012]",
+ title = "Academic Phrasebank",
+ year = "2005"
+}
+
@techreport{3gppequations,
author = "3GPP-Coordinates",
booktitle = "{3rd Generation Partnership Project; Technical Specification Group Core Network; Universal Geographical Area Description (GAD) (Release 6) }",
diff --git a/vorlagen/thesis/src/kapitel_x.tex b/vorlagen/thesis/src/kapitel_x.tex
index d0afb9b..9c77fbd 100644
--- a/vorlagen/thesis/src/kapitel_x.tex
+++ b/vorlagen/thesis/src/kapitel_x.tex
@@ -35,10 +35,10 @@ providers, including the precision with which callers' locations are tracked \ci
Europe's emergency service has similar standards \citep{0849333490}. Next generation
networks, Long Term Evolution (LTE) 4G networks, have been designed from the start to have LBS capabilities integrated
in the system and have better LBS performance as well as higher accuracy compared to GSM networks \citep{lteLocation}.
-In the introductory chapter, some of the most common positioning techniques in
-wireless networks shall be presented and analysed, including Cell-ID, Time-of-Arrival, Angle-of-Arrival
-and GPS positioning. The author shall then describe the goals of his thesis.
-In this thesis the author shall provide the theoretical and practical
+%In the introductory chapter, some of the most common positioning techniques in
+%wireless networks shall be presented and analysed, including Cell-ID, Time-of-Arrival, Angle-of-Arrival
+%and GPS positioning. The author shall then describe the goals of his thesis.
+In this thesis the author will provide the theoretical and practical
knowledge required for building a localization system of mobile users
inside of a 2G GSM network by taking advantage of the already-existing AGPS receivers inside of smart phones.
@@ -295,9 +295,22 @@ with WiFi& &with Google maps and& &with aid\\
In this thesis the author shall provide theoretical and practical
background knowledge required for building a localization system of mobile users
inside of a 2G GSM network by taking the advantage of AGPS receivers inside of smart phones.
-%This work may be perceived as pioneer work from authors perspective
-
-The thesis is divided into three parts. The first is a theoretical introduction to GSM and GPS systems as well as
+In the lab a 2G GSM network environment will be set up similar to the real network
+provided by big telecommunication providers.
+
+The AGPS method is prefered over other methods because the position estimation is sufficiently
+precise and accurate compared to other methods. Further advantage over other positioning
+techniques is that smart phones with an AGPS receiver represent slightly less than 50\% of the
+total cell phone market in the most solvent EU economies and the US \citep{smartPhoneUsage}.
+The functional aspects and abuse risks of AGPS receivers in smart phones are relatively unknown,
+no relevant studies have been found and thus will be further analysed in this work.
+A certain privacy risk exists that it is possible to obtain the position of a mobile user
+without its knowledge of being surveillanced. This work may be seen as a scenario what
+kind of information can be gained by a third persons having access to the GSM network.
+This thesis may be perceived as pioneer work in the field of localizing mobile users by
+taking advantage of AGPS receivers in smart phones.
+
+The thesis is divided into three parts. The first is a theoretical introduction to GSM and GPS systems as well as
the protocol required for the positioning of mobile users. The second part provides more details on
the software implementation and the hardware used in this work. The last section is a discussion
of the achieved results in the test environment and the author's conclusions.
@@ -3411,31 +3424,58 @@ movement of GSM users \citep{predictMovements}.
%Tests could be performed if it possible if it can be tricked out by the software Dennis mentioned (protect my privacy)!
\chapter{Summary and discussion}
-This thesis has investigated how difficult it is to integrate mobile assisted GPS localization in GSM
-Networks. The aim of this work was set out to implement the ``first'' working open source RRLP
+%This thesis has investigated how difficult it is to integrate mobile assisted GPS localization in GSM
+%Networks. The aim of this work was set out 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, it is not convoluted and 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. An implication of these
+%evidence suggest it would be not 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}
+%\citep{silentPolice1}. The law is unclear if silent SMS can be considered communication taking into
+%consideration no information are sent to the GSM user and is a gray area from the legal point of view
+%\citep{silentPolice1}. "The state found that it was not one, 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{silentPolice1}. The development of a working RRLP application and obtained
+%results from this work enhance the understanding of AGPS receivers and may be further used to
+%better understand how the assistance data influence the obtained results.
+%Finally, a number of important limitations in the obtained results need to be considered.
+%Not all assistance data were available and the tests have been performed at different time points of the day.
+%The amount of tested cell phones was not representative enough. However, this work has thrown up some
+%questions in need of further investigation but it is only a tip of the iceberg! A future study
+%investigating if further assistance data are 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 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
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, it is not convoluted and burdensome to
+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. An implication of these
-evidence suggest it would be not complicated for German law enforcement agencies to employ this precise
+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}
-\citep{silentPolice1}. The law is unclear if silent SMS can be considered communication taking into
-consideration no information are sent to the GSM user and is a gray area from the legal point of view
-\citep{silentPolice1}. "The state found that it was not one, since there is no content. This is useful,
+\citep{silentPolice1}. 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{silentPolice1}. "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{silentPolice1}. The development of a working RRLP application and obtained
+Heise Online \citep{silentPolice1}. The development of a working RRLP application and the obtained
results from this work enhance the understanding of AGPS receivers and may be further used to
better understand how the assistance data influence the obtained results.
Finally, a number of important limitations in the obtained results need to be considered.
-Not all assistance data were available and the tests have been performed at different time points of the day.
-The amount of tested cell phones was not representative enough. However, this work has thrown up some
-questions in need of further investigation but it is only a tip of the iceberg! A future study
-investigating if further assistance data are 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 privacy of cell phone users.
+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
+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.