Simulation analysis of impact of AAL2 multiplexing efficiency on ATM bandwidth overbooking in UTRAN

被引：0
|
作者：
Gonen, EK [1 ]
Xu, H [1 ]
Chen, YC [1 ]
Xu, X [1 ]
机构：
[1] Motorola Inc, Global Telecom Solut Sector, Arlington Hts, IL 60004 USA
来源：
2002 4TH INTERNATIONAL WORKSHOP ON MOBILE AND WIRELESS COMMUNICATION NETWORK | 2002年
关键词：
UTRAN; ATM; AAL2; multiplexing efficiency; overbooking;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
ATM is used as the transport mechanism in the Radio Access Networks of UMTS systems. In some portion of the RAN, AAL2 VCs carrying user traffic between a Node B and its controlling RNC are multiplexed into a comprising entity such as a VP. Usually, the bandwidth of this VP is overbooked by taking advantage of statistical multiplexing gain among VCs, and the overbooked bandwidth can be calculated with a safety percentile once PDF of the load on each VC is known. VC load distribution is a function of the load distribution at ATM SAP, ATM overhead and AAL2 multiplexing efficiency, however analytical estimation of multiplexing efficiency is infeasible. In this paper, by means of simulations, we will examine the effect of AAL2 multiplexing efficiency on the VC load distribution for UMTS based traffic. Consequently, we will observe its impact on VP bandwidth sizing and overbooking in UTRAN.
引用
收藏
页码：680 / 684
页数：5
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