Four-Stream Line-of-Sight Spatial Multiplexing for 60 GHz Backhaul Applications

被引：3

作者：

Cvetkovski, Darko ^{[1
,2
]}

Haelsig, Tim ^{[3
]}

Lankl, Berthold ^{[3
]}

Grass, Eckhard ^{[1
,2
]}

机构：

[1] Humboldt Univ, Dept Comp Sci, D-10099 Berlin, Germany

[2] Leibniz Inst Innovat Mikroelekt, IHP, Syst Architectures Dept, D-15236 Frankfurt, Oder, Germany

[3] Univ Bundeswehr Munchen, Chair Commun Syst, D-85579 Neubiberg, Germany

来源：

IEEE WIRELESS COMMUNICATIONS LETTERS | 2021年 / 10卷 / 08期

关键词：

MIMO communication; Antennas; Bandwidth; Wireless communication; Throughput; Receivers; Probability density function; Line-of-sight MIMO; adaptive equalization; wireless backhaul; millimeter wave; spatial multiplexing;

D O I：

10.1109/LWC.2021.3076161

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This work presents experimental results for a four-stream spatial multiplexing setup in a line-of-sight (LoS) wireless backhaul scenario at 60 GHz. With optimal antenna arrangement, a highly orthogonal wireless channel with a measured condition number of 1.42 is observed, whereby the channel tap distribution shows a dominant LoS component. Two different equalizers, symbol-wise and block-wise adaptive, are presented and evaluated in terms of error vector magnitude (EVM) performance and bandwidth efficiency. For both approaches, an error-free transmission with a throughput of 14.08 Gbit/s is demonstrated, thus validating the practical suitability of LoS MIMO for wireless backhaul applications.

引用

页码：1648 / 1651

页数：4

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