Modeling the hardware power consumption of large scale antenna systems

C. Desset, B. Debaillie, F. Louagie
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引用次数: 50

Abstract

In order to address the ever-increasing need for wireless throughput while reducing the power consumption of cellular base stations, many approaches are developed at network, base station or component level. One of the most innovative ones is known as massive MIMO or large-scale antenna systems (LSAS). By using hundreds of antennas at the base station, the system promises to offer a large throughput at reduced total radiated power. This paper presents a power model for cellular base stations and its application to LSAS. Its role is central in order to determine whether the reduced total radiated power of LSAS base stations also translates into reduced total power consumption for the base station, after taking all components supporting the many antenna chains into account. Based on the modeling outcome, LSAS turns out to be a promising approach in order to reduce the power consumption of cellular base stations by a factor 10, while offering more throughput. While the research community is working on the many interesting challenges of this technology, we can conclude that from the point of view of power consumption, it is a valid alternative to traditional designs, and it will benefit even more from technology scaling in the coming years.
大型天线系统的硬件功耗建模
为了满足不断增长的无线吞吐量需求,同时降低蜂窝基站的功耗,在网络、基站或组件级别开发了许多方法。其中最具创新性的是大规模MIMO或大规模天线系统(LSAS)。通过在基站上使用数百个天线,该系统有望在降低总辐射功率的情况下提供大吞吐量。本文提出了一种蜂窝基站功率模型及其在LSAS中的应用。在考虑到支持多个天线链的所有组件后,为了确定LSAS基站总辐射功率的降低是否也转化为基站总功耗的降低,它的作用至关重要。基于建模结果,LSAS被证明是一种很有前途的方法,可以将蜂窝基站的功耗降低10倍,同时提供更高的吞吐量。虽然研究界正在研究这项技术的许多有趣的挑战,但我们可以得出结论,从功耗的角度来看,它是传统设计的有效替代方案,并且它将从未来几年的技术扩展中受益更多。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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