Fundamental Green Tradeoffs: Progresses, Challenges, and Impacts on 5G Networks
Fundamental Green Tradeoffs: Progresses, Challenges, and Impacts on 5G Networks
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DOI：
10.1109/comst.2016.2594120
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发表时间：
2017-01-01
影响因子：
35.6
通讯作者：
Li, Geoffrey Ye
中科院分区：
文献类型：
--
作者：
Zhang, Shunqing;Wu, Qingqing;Li, Geoffrey Ye
随着多年来流量和能源消耗的巨大增长，绿色无线电不仅在理论研究方面受到重视，而且在运营支出的减少和无线通信的可持续发展方面也受到重视。作为重要分析框架的基本绿色权衡包括四个基本关系：1）频谱效率与能源效率； 2）部署效率与能源效率； 3）延迟与功率； 4) 带宽与功率。在本文中，我们首先全面概述正在进行的广泛研究工作，并根据基本的绿色权衡对它们进行分类。接下来我们将重点关注4G和5G通信的研究进展，例如正交频分复用和非正交聚合、多输入多输出、异构网络等。我们还将讨论基本绿色权衡的潜在挑战和影响，以阐明未来无线网络的节能研究和设计。
With years of tremendous traffic and energy consumption growth, green radio has been valued not only for theoretical research interests but also for the operational expenditure reduction and the sustainable development of wireless communications. Fundamental green tradeoffs, served as an important framework for analysis, include four basic relationships: 1) spectrum efficiency versus energy efficiency; 2) deployment efficiency versus energy efficiency; 3) delay versus power; and 4) bandwidth versus power. In this paper, we first provide a comprehensive overview on the extensive on-going research efforts and categorize them based on the fundamental green tradeoffs. We will then focus on research progresses of 4G and 5G communications, such as orthogonal frequency division multiplexing and non-orthogonal aggregation, multiple input multiple output, and heterogeneous networks. We will also discuss potential challenges and impacts of fundamental green tradeoffs, to shed some light on the energy efficient research and design for future wireless networks.