Quantifying Potential Energy Efficiency Gain in Green Cellular Wireless Networks
Quantifying Potential Energy Efficiency Gain in Green Cellular Wireless Networks
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DOI：
10.1109/comst.2014.2322951
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发表时间：
2014-05
影响因子：
35.6
通讯作者：
Kemal Davaslioglu;E. Ayanoglu
中科院分区：
文献类型：
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作者：
Kemal Davaslioglu;E. Ayanoglu
传统蜂窝无线网络的设计目的是为用户提供高吞吐量，为服务提供商提供高容量，而不提供任何能量效率。因此，这些网络产生了巨大的碳足迹。在这篇文章中，我们描述了这种网络中低效的来源。首先，我们介绍了这些网络产生多少碳足迹的研究结果。我们还讨论了移动流量预计将增加多少，从而使这一碳足迹甚至会大幅增加。然后，我们将讨论物理层以及通信协议层次的更高层的效率低下的具体原因和改进的潜在原因。特别是，考虑到蜂窝无线网络中的大部分能量低效是在基站，我们讨论了多层网络，并指出了利用移动性模式来合理利用基站能量的潜力。然后，我们研究可能的方法来减少这种低效，并量化他们的个人贡献。综合考虑所有潜在收益，我们得出结论，蜂窝无线网络的能耗有可能提高两个数量级，甚至更多。
Conventional cellular wireless networks were designed with the purpose of providing high throughput for the user and high capacity for the service provider, without any provisions of energy efficiency. As a result, these networks have an enormous Carbon footprint. In this paper, we describe the sources of the inefficiencies in such networks. First, we present results of the studies on how much Carbon footprint such networks generate. We also discuss how much more mobile traffic is expected to increase so that this Carbon footprint will even increase tremendously more. We then discuss specific sources of inefficiency and potential sources of improvement at the physical layer, as well as at higher layers of the communication protocol hierarchy. In particular, considering that most of the energy inefficiency in cellular wireless networks is at the base stations, we discuss multi-tier networks and point to the potential of exploiting mobility patterns in order to use base station energy judiciously. We then investigate potential methods to reduce this inefficiency and quantify their individual contributions. By a consideration of the combination of all potential gains, we conclude that an improvement in energy consumption in cellular wireless networks by two orders of magnitude, or even more, is possible.