From 68f33f446ac299ba05246e1670f87d7247b52c15 Mon Sep 17 00:00:00 2001 From: Refik Hadzialic Date: Sun, 16 Sep 2012 15:10:52 +0200 Subject: Final version that has not been yet uploaded! --- vorlagen/thesis/maindoc.pdf | Bin 8069408 -> 9157220 bytes vorlagen/thesis/src/erklaerung.tex | 3 +-- vorlagen/thesis/src/img/algorithmRRLP.png | Bin 0 -> 151235 bytes vorlagen/thesis/src/img/googlemapsResults.png | Bin 0 -> 2901236 bytes vorlagen/thesis/src/kapitel_x.tex | 14 +++++++------- 5 files changed, 8 insertions(+), 9 deletions(-) create mode 100644 vorlagen/thesis/src/img/algorithmRRLP.png create mode 100644 vorlagen/thesis/src/img/googlemapsResults.png diff --git a/vorlagen/thesis/maindoc.pdf b/vorlagen/thesis/maindoc.pdf index a057761..f2785ee 100644 Binary files a/vorlagen/thesis/maindoc.pdf and b/vorlagen/thesis/maindoc.pdf differ diff --git a/vorlagen/thesis/src/erklaerung.tex b/vorlagen/thesis/src/erklaerung.tex index 3df36cc..9bba545 100644 --- a/vorlagen/thesis/src/erklaerung.tex +++ b/vorlagen/thesis/src/erklaerung.tex @@ -39,8 +39,7 @@ for the helpful discussions about various GSM topics. Thanks to Holger Hans Pete as well, who gave me tips on how to modify OpenBSC to make an independent data channel interface with a cell phone. Things which have not been done before are always intellectually seductive and this kept me motivated and working during the tough -periods. An analysis, with regards to accuracy and precision of the delivered positions, was -discussed. +periods. \newpage \section*{Abstract} diff --git a/vorlagen/thesis/src/img/algorithmRRLP.png b/vorlagen/thesis/src/img/algorithmRRLP.png new file mode 100644 index 0000000..b51783e Binary files /dev/null and b/vorlagen/thesis/src/img/algorithmRRLP.png differ diff --git a/vorlagen/thesis/src/img/googlemapsResults.png b/vorlagen/thesis/src/img/googlemapsResults.png new file mode 100644 index 0000000..4503113 Binary files /dev/null and b/vorlagen/thesis/src/img/googlemapsResults.png differ diff --git a/vorlagen/thesis/src/kapitel_x.tex b/vorlagen/thesis/src/kapitel_x.tex index 9e80070..0d01072 100644 --- a/vorlagen/thesis/src/kapitel_x.tex +++ b/vorlagen/thesis/src/kapitel_x.tex @@ -673,7 +673,7 @@ includes data about the satellite accuracy and health parameters as well as data used for the clock corrections on the GPS receiver. These clock correction parameters can be characterized as bias, drift and aging errors \citep{GPS-Interface-Specification}. Subframe two and three are made of \textit{ephemeris data}. Ephemeris -information are precise parameters for predicting the precise orbital +information contain precise parameters for predicting the precise orbital position of the GPS satellite. Without the ephemeris data it is not possible for the GPS receiver to estimate its position. \begin{figure}[ht!] @@ -1096,8 +1096,8 @@ this can be derived from equation \eqref{eq:totalSearch}. % \end{figure} There are three different working modes when it comes to finding a solution -to the 2D search space problem. If no information are known, -when some information are known and when almost all information are +to the 2D search space problem. If no information is known, +when some information is known and when almost all information is known. These three modes are known as \textit{cold}, \textit{warm} and \textit{hot} start. Cold start indicates the GPS receiver has no almanac, ephemeris, oscillator offset and time data. In this case it is @@ -1122,9 +1122,9 @@ in detail in appendix section \ref{sec:distanceAndPosition}. In the following paragraphs Assisted-GPS (AGPS) shall be presented and how it works. AGPS receivers work on the equivalent idea as warm/hot start on GPS receivers. Instead of loading the recently saved data from the EEPROM, an external -information transfer medium is used to deliver the equivalent type of information that are known +information transfer medium is used to deliver the equivalent type of information that is known at the warm/hot start \citep{755159}, \citep{901174}, \citep{springerlink:10.1007/s10291-002-0028-0}. -In this work, the external transfer medium is air and the information are transferred using electromagnetic +In this work, the external transfer medium is air and the information is transferred using electromagnetic waves. The existing GSM interface was utilised for the purpose of delivering the data to the smart phone with an AGPS receiver. The basic scenario can be seen in figure \ref{img:agpsPrinciple}. The BTS station is connected to the GPS reference station. The GPS reference station delivers the GPS data: exact time stamps; @@ -2245,7 +2245,7 @@ by looking at the flowchart in figure \ref{img:RRLPAlgFlowchart}. \begin{figure}[ht] \centering - \includegraphics[scale=0.39]{img/algorithmRRLP.pdf} + \includegraphics[scale=0.39]{img/algorithmRRLP.png} \caption{Flowchart for the RRLP assistance data generator.} \label{img:RRLPAlgFlowchart} \end{figure} @@ -2433,7 +2433,7 @@ following analysis is based on the results. \begin{figure}[ht!] \centering - \includegraphics[scale=0.38]{img/googlemapsResults.pdf} + \includegraphics[scale=0.3]{img/googlemapsResults.png} \caption{Test rooms as well as the results delivered by the smart phones. Image courtesy of Google Maps.} \label{img:googlemapsResults} \end{figure} -- cgit v1.2.3-55-g7522