Measuring the Resiliency of Cellular Base Station Deployments

被引:0
|
作者
Griffith, David [1 ]
Rouil, Richard [1 ]
Izquierdo, Antonio [1 ]
Golmie, Nada [1 ]
机构
[1] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA
来源
2015 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC) | 2015年
关键词
NETWORK RESILIENCE; FAULT-TOLERANCE;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
The National Public Safety Telecommunications Council (NPSTC) has defined resiliency as the ability of a network to withstand the loss of assets and to recover quickly from such losses. How to measure the resiliency of a base station deployment is an important consideration for network planners and operators. In this paper, we propose a resiliency measurement method in conjunction with a performance metric such as coverage or supported throughput, where we define the resiliency as the maximum number of sites that can fail before the metric falls below a minimum acceptable threshold. Because the number of combinations of failures increases exponentially with respect to the number of sites in a given deployment, we introduce an algorithm that generates estimates of the lowest, highest, and average values of the metric for a given failure count while examining a subset of the possible failure combinations. We use an example deployment to demonstrate how the resiliency metric can be used to identify sites that have a disproportionate impact on performance; the network planner can harden these sites or, for a future deployment, adjust the site placement to reduce the effect of the high-impact sites.
引用
收藏
页码:1625 / 1630
页数:6
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