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TCP performance in an EGPRS system
Linköping University, Department of Electrical Engineering.
2003 (English)Independent thesis Advanced level (degree of Magister), 20 points / 30 hpStudent thesis
Abstract [en]

The most widely used protocol for providing reliable service and congestion control in the Internet is the Transmission Control Protocol (TCP). When the Internet is moving towards more use in mobile applications it is getting more important to know how TCP works for this purpose.

One of the technologies used for mobile Internet is the Enhanced General Packet Radio Service (EGPRS) extension to the popular GSM system. This thesis presents a low-level analysis of TCP performance in an EGPRS system and an overview of existing TCP, GSM and EGPRS technologies.

The bottleneck in an EGPRS system is the wireless link – the connection between the mobile phone and the GSM base station. The data transfer over the wireless link is mainly managed by the complex RLC/MAC protocol.

In this thesis, simulations were made to identify some problems with running TCP and RLC/MAC together. The simulations were made using existing EGPRS testing software together with a new TCP module. The simulation software is also briefly described in the thesis.

Additionaly, some suggestions are given in order to enhance performance, both by changing the EGPRS system and by modifying the TCP algorithms and parameters.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2003. , 67 p.
Series
LiTH-ISY-Ex, 3163
Keyword [en]
TCP (Transmission Control Protocol), TCP/IP, EGPRS, GPRS, EDGE, GSM, wireless, RLC/MAC, Temporary Block Flow, TBF
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:liu:diva-10306ISRN: LiTH-ISY-EX--03/3163--SEOAI: oai:DiVA.org:liu-10306DiVA: diva2:17044
Presentation
2003-06-02
Uppsok
teknik
Supervisors
Examiners
Available from: 2007-11-21 Created: 2007-11-21

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf