A scaling analysis of UMTS traffic
Identifieur interne : 001936 ( Main/Exploration ); précédent : 001935; suivant : 001937A scaling analysis of UMTS traffic
Auteurs : Lucjan Janowski [Pologne] ; Thomas Ziegler [Autriche] ; Eduard Hasenleithner [Autriche]Source :
- Lecture notes in computer science [ 0302-9743 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Télécommunication sans fil.
English descriptors
- KwdEn :
Abstract
This paper reports on the results of a scaling analysis of traffic traces captured at several Gn Interfaces of an opera-tional 3G network. Using the Abry Veitch test and Variance Time Plots we find that the analyzed traffic is characterized by a non self-similar process for small time scales and strong self-similarity for larger time scales. The reasons for the time scale dependency of traffic self similarity are analysed in detail. We find that for smaller time scales the packet arrival times are independent explaining the weak correlation of the data. For larger timescales the arrival of TCP connections in the UMTS network can be considered independent. This property is intuitive because the only link where TCP connections could influence themselves is the channel originating at the mobile terminal. As a further finding we observe that the cut off point between weak and strong correlation is around the mean RTT of TCP flows. Additionally, we propose a model which allows generating traffic similar to the measured UMTS traffic. The model contains only three parameters allowing to influence all observed changes in Log Diagram and Variance Time Plot. Comparing the output of the model with the real traffic traces we find that the model matches reality accurately.
Affiliations:
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Mickiewicza 30</s1><s2>30-059 Kraków</s2><s3>POL</s3><sZ>1 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>30-059 Kraków</wicri:noRegion></affiliation></author><author><name sortKey="Ziegler, Thomas" sort="Ziegler, Thomas" uniqKey="Ziegler T" first="Thomas" last="Ziegler">Thomas Ziegler</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Telecommunications Research Center Vienna, Donaucity Strasse 1</s1><s2>1220 Vienna</s2><s3>AUT</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Autriche</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author><author><name sortKey="Hasenleithner, Eduard" sort="Hasenleithner, Eduard" uniqKey="Hasenleithner E" first="Eduard" last="Hasenleithner">Eduard Hasenleithner</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Telecommunications Research Center Vienna, Donaucity Strasse 1</s1><s2>1220 Vienna</s2><s3>AUT</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Autriche</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">07-0468382</idno><date when="2006">2006</date><idno type="stanalyst">PASCAL 07-0468382 INIST</idno><idno type="RBID">Pascal:07-0468382</idno><idno type="wicri:Area/PascalFrancis/Corpus">000329</idno><idno type="wicri:Area/PascalFrancis/Curation">000238</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000312</idno><idno type="wicri:doubleKey">0302-9743:2006:Janowski L:a:scaling:analysis</idno><idno type="wicri:Area/Main/Merge">001971</idno><idno type="wicri:Area/Main/Curation">001936</idno><idno type="wicri:Area/Main/Exploration">001936</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">A scaling analysis of UMTS traffic</title><author><name sortKey="Janowski, Lucjan" sort="Janowski, Lucjan" uniqKey="Janowski L" first="Lucjan" last="Janowski">Lucjan Janowski</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Telecommunications AGH University of Science and Technology, Al. Mickiewicza 30</s1><s2>30-059 Kraków</s2><s3>POL</s3><sZ>1 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>30-059 Kraków</wicri:noRegion></affiliation></author><author><name sortKey="Ziegler, Thomas" sort="Ziegler, Thomas" uniqKey="Ziegler T" first="Thomas" last="Ziegler">Thomas Ziegler</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Telecommunications Research Center Vienna, Donaucity Strasse 1</s1><s2>1220 Vienna</s2><s3>AUT</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Autriche</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author><author><name sortKey="Hasenleithner, Eduard" sort="Hasenleithner, Eduard" uniqKey="Hasenleithner E" first="Eduard" last="Hasenleithner">Eduard Hasenleithner</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Telecommunications Research Center Vienna, Donaucity Strasse 1</s1><s2>1220 Vienna</s2><s3>AUT</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Autriche</country><placeName><region type="land" nuts="2">Vienne (Autriche)</region><settlement type="city">Vienne (Autriche)</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Lecture notes in computer science</title><idno type="ISSN">0302-9743</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Lecture notes in computer science</title><idno type="ISSN">0302-9743</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>3G mobile communication</term><term>Arrival time</term><term>Mobile radiocommunication</term><term>Selfsimilarity</term><term>Teletraffic</term><term>Time scale</term><term>Transmission control protocol</term><term>Transmission protocol</term><term>UMTS system</term><term>Wireless telecommunication</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Télécommunication sans fil</term><term>Système UMTS</term><term>Télétrafic</term><term>Radiocommunication service mobile 3ème génération</term><term>Autosimilitude</term><term>Echelle temps</term><term>Temps arrivée</term><term>Protocole TCP</term><term>Radiocommunication service mobile</term><term>Protocole transmission</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Télécommunication sans fil</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This paper reports on the results of a scaling analysis of traffic traces captured at several Gn Interfaces of an opera-tional 3G network. Using the Abry Veitch test and Variance Time Plots we find that the analyzed traffic is characterized by a non self-similar process for small time scales and strong self-similarity for larger time scales. The reasons for the time scale dependency of traffic self similarity are analysed in detail. We find that for smaller time scales the packet arrival times are independent explaining the weak correlation of the data. For larger timescales the arrival of TCP connections in the UMTS network can be considered independent. This property is intuitive because the only link where TCP connections could influence themselves is the channel originating at the mobile terminal. As a further finding we observe that the cut off point between weak and strong correlation is around the mean RTT of TCP flows. Additionally, we propose a model which allows generating traffic similar to the measured UMTS traffic. The model contains only three parameters allowing to influence all observed changes in Log Diagram and Variance Time Plot. Comparing the output of the model with the real traffic traces we find that the model matches reality accurately.</div></front></TEI><affiliations><list><country><li>Autriche</li><li>Pologne</li></country><region><li>Vienne (Autriche)</li></region><settlement><li>Vienne (Autriche)</li></settlement></list><tree><country name="Pologne"><noRegion><name sortKey="Janowski, Lucjan" sort="Janowski, Lucjan" uniqKey="Janowski L" first="Lucjan" last="Janowski">Lucjan Janowski</name></noRegion></country><country name="Autriche"><region name="Vienne (Autriche)"><name sortKey="Ziegler, Thomas" sort="Ziegler, Thomas" uniqKey="Ziegler T" first="Thomas" last="Ziegler">Thomas Ziegler</name></region><name sortKey="Hasenleithner, Eduard" sort="Hasenleithner, Eduard" uniqKey="Hasenleithner E" first="Eduard" last="Hasenleithner">Eduard Hasenleithner</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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