mmWave communications for 5G: implementation challenges and advances

mmWave communications for 5G: implementation challenges and advances
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5G 毫米波通信:实施挑战和进展

DOI:
10.1007/s11432-017-9262-8
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发表时间:
2018-01
期刊:
Science China Information Sciences
影响因子:
--
通讯作者:
You Xiaohu
You Xiaohu
中科院分区:
其他
文献类型:
--
作者:
Li Lianming;Wang Dongming;Niu Xiaokang;Chai Yuan;Chen Linhui;He Long;Wu Xu;Zheng Fuchun;Cui Tiejun;You Xiaohu

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第五代(5G)无线通信对高吞吐量的需求促使无线行业使用mmWave(毫米波)通信以获得其宽带宽优势。为了补偿严重的路径损耗并增加通信容量,在用户设备(UE)和基站(BS)处均采用相控阵波束成形和大规模多输入多输出(MIMO)技术。考虑到商业需求,5G毫米波大型阵列系统应该以节能和成本效益的方式实现,并具有小的外形尺寸。为了解决上述问题,实现可靠的通信链路,结合5G毫米波系统的特殊性,本文首先分析了系统实现中的设计挑战和权衡,然后总结了一些设计策略。最后,重点介绍了射频前端电路和接收机子系统的最新进展。
The requirement of the fifth generation (5G) wireless communication for high throughput motivates the wireless industry to use the mmWave (millimeter wave) communications for its wide bandwidth advantage. To compensate the heavy path loss and increase the communications capacity, phased array beamforming and massive multiple-input multiple-output (MIMO) techniques are employed at both the user equipment (UE) and base stations (BS). Considering the commercial requirements, 5G mmWave large array systems should be implemented in an energy- and cost-efficient way with a small form factor. To address above issues and realize a reliable communications link, taking into account the particular characteristics of 5G mmWave systems, this paper firstly examines the design challenges and trade-offs in system implementations, then some of the design strategies are summarized. At last, recent advance in RF front-end circuits and receiver sub-systems is then highlighted.
具有混合预编码结构的毫米波信道估计的码本设计
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