DocumentCode :
3141206
Title :
Impact of Inter-cell Interference on Flow Level Performance of Scheduling Schemes for the UMTS EUL
Author :
Dimitrova, D.C. ; Heijenk, G. ; van den Berg, J.L. ; Litjens, R.
Author_Institution :
Univ. of Twente, Enschede
fYear :
2008
fDate :
12-14 Oct. 2008
Firstpage :
106
Lastpage :
112
Abstract :
The UMTS enhanced uplink (EUL) is expected to provide higher capacity, increased data rates, and smaller latency on the communication link from users towards the network. A key mechanism in EUL traffic handling is the packet scheduler, for which a number of basic schemes can be identified (one-by-one, partial parallel, and full parallel). In this paper we analyze the interaction between the EUL scheduling scheme deployed in the network and the inter-cell interference. On the one hand, different scheduling schemes cause different inter-cell interference patterns on neighbouring cells. On the other hand, the different schemes are affected by inter-cell interference in different ways. The scheduling schemes are evaluated and compared under different approaches for reserving part of the allowed noise rise at the base station for inter-cell interference. For our analysis, we have developed a hybrid analytical/simulation approach allowing for fast evaluation of performance measures such as the mean flow transfer time and fairness expressing how the performance depends on the user´s location. This approach takes into account both the packet-level characteristics and the flow-level dynamics due to the random user behaviour.
Keywords :
3G mobile communication; packet radio networks; radio links; radiofrequency interference; scheduling; telecommunication traffic; UMTS EUL; Universal Mobile Telecommunication System-enhanced uplink; communication link; data rate; flow-level dynamics; hybrid analytical/simulation approach; inter-cell interference; network traffic; packet scheduling schemes; packet-level characteristics; 3G mobile communication; Analytical models; Base stations; Delay; Fluid flow measurement; Interference; Performance analysis; Scheduling algorithm; Telecommunication traffic; Time measurement;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Networking and Communications, 2008. WIMOB '08. IEEE International Conference on Wireless and Mobile Computing,
Conference_Location :
Avignon
Print_ISBN :
978-0-7695-3393-3
Electronic_ISBN :
978-0-7695-3393-3
Type :
conf
DOI :
10.1109/WiMob.2008.107
Filename :
4654220
Link To Document :
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