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Modeling and Performance Improvement of TCP over LTE Handover
KTH, School of Electrical Engineering (EES), Automatic Control.
2009 (English)Student paper other, 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The Long Term Evolution (LTE) of the UMTS Terrestrial Radio Access and Radio Access Network is a new communication standard aimed for commercial deployment in 2010. Goals for LTE include support for improved system capacity and coverage, high peak data rates, low latency, reduced operating costs, multiantenna support, flexible bandwidth operations and seamless integration with existing systems.

The aim of this thesis project is to study the impacts on the end-user and system performance when users with high bit rates tcp services are moving through the network. These impacts affect the reduced end-user or system throughput, e.g., due to congestion in the transport network, leading to poor utilization of the transport and radio resources available. To reach such an aim, it has been necessary (1) to create a new simulator with the ns-2 and perform simulation in different network settings and (2) formulate a mathematical model able to capture the principal dynamics of the real system. Possible solutions to mitigate the impacts are investigated by comparing the simulations results of tcp performance in the radio and transport network, with the mathematical model of it.

The project has been performed at the Automatic Control Lab at KTH in Stockholm and in collaboration with Ericsson Research Lab. The work is part of a joint effort with Davide Pacifico. Further results are available in the master thesis “ Analysis and Performance Improvement of tcp during handover of LTE”[1].

Place, publisher, year, edition, pages
2009. , 85 p.
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-105897OAI: oai:DiVA.org:kth-105897DiVA: diva2:572793
Uppsok
Technology
Examiners
Available from: 2012-12-03 Created: 2012-11-28 Last updated: 2012-12-03Bibliographically approved

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