平衡:绿色网络基础设施中电池寿命感知的LTE关闭策略

Christoph Ide, Oleg Belov, Dennis Kaulbars, C. Wietfeld
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引用次数: 1

摘要

网络基础设施的负载感知运行是一种成熟的绿色网络概念,旨在提高无线通信网络的能源效率。但是,虽然已经表明,在通信量低的时候关闭基站可以大大节省能源,但迄今为止,这种面向基础设施的措施对用户设备的电力消耗的相互依赖性尚未得到详细解决。因此,本文量化了基站关闭策略对长期演进(LTE)设备电池寿命的负面影响。因此,利用LTE设备的上下文感知功耗模型(CoPoMo),可以准确量化不同网络部署下设备的能源效率。为了在基础设施节能和用户端设备电池寿命之间进行权衡,我们提出了一种基站电池寿命感知关闭策略(BaLAnce)。参考LTE网络场景的仿真研究结果表明,BaLAnce可以实现更好的能量权衡。
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BaLAnce: Battery Lifetime-Aware LTE Switching-Off Strategy in Green Network Infrastructures
The load-aware operation of network infrastructure is a well established green networking concept to improve the energy-efficiency of wireless communication networks. But while it has been shown that switching-off base stations in times of low traffic leads to significant savings of energy, the interdependency of such infrastructure-oriented measures on the power consumption of user equipments has not been addressed in detail so far. This paper therefore quantizes the negative impact of switching-off strategies for base stations on the battery lifetime of Long Term Evolution (LTE) devices. Therefore, the Context- Aware Power Consumption Model for LTE devices (CoPoMo) that enables an accurate quantification of the energy efficiency of devices under different network deployments, is leveraged. In order to enable a trade-off between energy savings in the infrastructure and battery lifetimes of devices on the user side, we propose a Battery-Lifetime-Aware switching-off Strategy (BaLAnce) for base stations. The results of a simulation study with a reference LTE network scenario show, that a significantly better energy trade-off can be achieved by BaLAnce.
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