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  4. Dimensioning of the shared transport network for collocated multiradio: LTE and HSDPA
 
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Dimensioning of the shared transport network for collocated multiradio: LTE and HSDPA

Publikationstyp
Conference Paper
Date Issued
2012-12-01
Sprache
English
Author(s)
Li, Xiang  
Li, Mei  
Toseef, Umar  
Timm-Giel, Andreas  orcid-logo
Görg, Carmelita  
Dulas, Dominik  
Nowacki, M.  
Ruchała, Radosław  
Institut
Kommunikationsnetze E-4  
TORE-URI
http://hdl.handle.net/11420/11683
Start Page
308
End Page
315
Article Number
6379092
Citation
IEEE 8th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), 2012 : 6379092, 308-315 (2012-12-01)
Contribution to Conference
8th International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob 2012  
Publisher DOI
10.1109/WiMOB.2012.6379092
Scopus ID
2-s2.0-84872094820
Publisher
IEEE
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. © 2012 IEEE.
Subjects
dimensioning
HSDPA
IP DiffServ
LTE
Multiradio
QoS
shared transport
WFQ
DDC Class
004: Informatik
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