Publication List

[117348]
Title: Dimensioning of the Shared Transport Network for Collocated Multiradio:LTE and HSDPA 2012 IEEE 8th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob) (WiMob'2012)
Written by: Xi Li and Ming Li and Umar Toseef and Dominik Dulas and Michal Nowacki and Andreas Timm-Giel and Carmelita Goerg and Radoslaw Ruchala
in: Wireless and Mobile Computing, Networking and Communications (WiMob) oct 2012
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on pages: 308--315
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Address: Barcelona, Spain
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URL: http://pollux.et6.tu-harburg.de/71/
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Abstract: Due to the coexistence of different generations of mobile radio technologies, more and more mobile network operators are keen on deploying multiple radio technologies on a single cell site and carry their traffic over a common transport network. This paper studies such a collocated multiradio system: collocated LTE and HSDPA. Firstly, we investigate the potential gain by using a shared transport network to carry different radio technologies. Furthermore, this paper proposes analytical models to dimension the shared transport network for elastic traffic (TCP-based traffic) from the different radio technologies, by taking traffic characteristics, QoS requirements of each radio technology and the deployed transport QoS function and packet scheduling into considerations. The proposal for modeling the shared transport network is to apply the M/G/R-PS model per QoS class while taking the potential multiplexing gain of bandwidth sharing among the different QoS classes into account. For validating the analytical models, a system simulation model is developed. The analytical results derived from the proposed dimensioning models are validated by comparing with the simulation results for various traffic and network scenarios. Presented results demonstrate that proposed analytical models are well suitable for dimensioning of the shared transport network. With the help of the proposed analytical models, we analyze the potential sharing gain of such a shared transport system under different traffic loads and mix of different radio technologies.