Millimeter-wave phased arrays for 5G: An industry view on current issues and challenges

2019 IEEE International Symposium on Phased Array System & Technology (PAST) Pub Date : 2019-10-01 DOI:10.1109/PAST43306.2019.9020827

R. Flamini, C. Mazzucco, R. Lombardi, Claudio Massagrande, F. Morgia, A. Milani

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引用次数: 6

Abstract

Large antenna arrays have been always exploited for radar applications in order to provide very high spatial resolution, beam-forming and null-steering. These capabilities have been found to be extremely appealing for communication systems too because of their potential to provide highly-directive beams as the best solution to reduce interference and increase the overall capacity, allowing spectral reuse through spatial diversity. Nowadays the big challenge is not only related to the maximization of the overall system performance - which have been proven to be very effective when considering full-phased/full-digital architectures - but is mainly focused on the economic side: the real goal is to keep cost and energy consumption sufficiently low to obtain affordable products. This work focuses on millimeter-wave wireless systems (nun-Waves), and presents an overview of the application scenarios for 5G (and beyond) networks, together with the main related challenges and finally explores some techniques that can be adopted to design energy- and cost-efficient phased array antennas.

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5G毫米波相控阵:业界对当前问题和挑战的看法

大型天线阵列一直被用于雷达应用，以提供非常高的空间分辨率，波束形成和零转向。这些能力也被发现对通信系统非常有吸引力，因为它们有潜力提供高指向性波束，作为减少干扰和增加总体容量的最佳解决方案，通过空间分集允许频谱重用。如今，最大的挑战不仅与整体系统性能的最大化有关——在考虑全阶段/全数字架构时，这已被证明是非常有效的——而且主要集中在经济方面:真正的目标是保持成本和能耗足够低，以获得价格合理的产品。本研究的重点是毫米波无线系统(non - waves)，概述了5G(及以后)网络的应用场景，以及主要的相关挑战，最后探讨了一些可用于设计节能且经济高效的相控阵天线的技术。

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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来源期刊

2019 IEEE International Symposium on Phased Array System & Technology (PAST)

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