VNTS: A Virtual Network Traffic Shaper For Air Time Fairness In 802.16e Systems

被引:0
作者
Bhanage, Gautam [1 ]
Daya, Ronak [1 ]
Seskar, Ivan [1 ]
Raychaudhuri, Dipankar [1 ]
机构
[1] Rutgers State Univ, WINLAB, Ctr Technol, Newark, NJ 08902 USA
来源
2010 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS - ICC 2010 | 2010年
关键词
WiMAX testbed; 802.16e; VNTS; Group fairness;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The 802.16e standard for broadband wireless access mandates the presence of QoS classes, but does not specify guidelines for the scheduler implementation or mechanisms to ensure air time fairness. Our study demonstrates the feasibility of controlling downlink airtime fairness for slices while running above a proprietary WiMAX basestation (BS) scheduler. We design and implement a virtualized infrastructure that allows users to obtain at least an allocated percentage of BS resources in the presence of saturation and link degradation. Using Kernel virtual machines for creating slices and Click modular router for implementing the virtual network traffic shaping engine we show that it is possible to adaptively control slice usage for downlink traffic on a Profile A WiMAX Basestation. The fairness index and coupling coefficient show an improvement of up to 42%, and 73% with preliminary indoor walking mobility experiments. Outdoor vehicular measurements show an improvement of up to 27%, and 70% with the fairness index and coupling coefficient respectively.
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页数:6
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