
FOLLOWUS
National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China
[ "Zhiqiang WANG, E-mail: wangzq@std.uestc.edu.cn" ]
[ "Jiawei LIU, E-mail: 842927584@qq.com" ]
[ "Jun WANG, E-mail: junwang@uestc.edu.cn" ]
Guangrong YUE, E-mail: yuegr@uestc.edu.cn
收稿:2020-09-02,
修回:2021-;3-;3,
纸质出版:2021-04
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王志强, 刘嘉伟, 王军, 等. 高通量毫米波超大规模相控阵通信系统波束倾斜效应[J]. 信息与电子工程前沿(英文), 2021,22(4):560-570.
Zhiqiang WANG, Jiawei LIU, Jun WANG, et al. Beam squint effect on high-throughput millimeter-wave communication with an ultra-massive phased array[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(4): 560-570.
王志强, 刘嘉伟, 王军, 等. 高通量毫米波超大规模相控阵通信系统波束倾斜效应[J]. 信息与电子工程前沿(英文), 2021,22(4):560-570. DOI: 10.1631/FITEE.2000451.
Zhiqiang WANG, Jiawei LIU, Jun WANG, et al. Beam squint effect on high-throughput millimeter-wave communication with an ultra-massive phased array[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(4): 560-570. DOI: 10.1631/FITEE.2000451.
An ultra-massive phased array can be deployed in high-throughput millimeter-wave (mmWave) communication systems to increase the transmission distance.However
when the signal bandwidth is large
the antenna array response changes with the frequency
causing beam squint.In this paper
we investigate the beam squint effect on a high-throughput mmWave communication system with the single-carrier frequency-domain equalization transmission scheme.Specifically
we first view analog beamforming and the physical channel as a spatial equivalent channel.The characteristics of the spatial equivalent channel are analyzed which behaves like frequency-selective fading.To eliminate the deep fading points in the spatial equivalent channel
an advanced analog beamforming method is proposed based on the Zadoff-Chu (ZC) sequence.Then
the low-complexity linear zero-forcing and minimum mean squared error equalizers are considered at the receiver.Simulation results indicate that the proposed ZC-based analog beamforming method can effectively mitigate the performance loss by the beam squint.
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