基于混合波束赋形的室内毫米波MIMO系统性能分析

doi:10.3969/j.issn.0372-2112.2017.06.001

电子学报 ›› 2017, Vol. 45 ›› Issue (6): 1281-1287.DOI: 10.3969/j.issn.0372-2112.2017.06.001

• 学术论文 • 下一篇

基于混合波束赋形的室内毫米波MIMO系统性能分析

冯子奇, 牛勇, 苏厉, 金德鹏

清华大学电子工程系, 北京 100084

收稿日期:2015-12-24 修回日期:2016-03-30 出版日期:2017-06-25
- 通讯作者:
- 牛勇
- 作者简介:
- 冯子奇 男,1991年11月出生于澳门.现为清华大学电子工程系信息与通信工程专业在读硕士研究生.主要研究方向为毫米波无线通信技术.E-mail:zarahn1126@hotmail.com;苏厉男,现为清华大学电子工程系副教授.主要研究方向为软件定义网络体系结构和毫米波无线通信技术.E-mail:lisu@tsinghua.edu.cn;金德鹏 男,现为清华大学电子工程系教授.主要研究方向为无线网络与通信以及通信专用集成电路及系统设计,近期主要研究软件定义网络体系结构、移动机会网络、超宽带无线传输技术,毫米波无线通信技术等.E-mail:jindp@tsinghua.edu.cn
- 基金资助:
- 国家863计划课题 (No.2015AA01A706）; 清华大学自主科研课题 (No.20161080089）; 自然科学基金重大研究计划课题 (No.91338102）

Performance Analysis of the Hybrid Beamforming Based Indoor Millimeter Wave MIMO System

FENG Zi-qi, NIU Yong, SU Li, JIN De-peng

Department of Electronic Engineering, Tsinghua University, Beijing 100084, China

Received:2015-12-24 Revised:2016-03-30 Online:2017-06-25 Published:2017-06-25
- Supported by:
- National High-tech R&D Program of China (863 Program) (No.2015AA01A706); Tsinghua University Initiative Scientific Research Program (No.20161080089); Major Research Program of the National Natural Science Foundation of China (No.91338102)

摘要/Abstract

摘要：

混合波束赋形在射频模拟域波束赋形的基础上，通过在基带实现数字域波束赋形来进一步提高数据速率.本文针对基于混合波束赋形的室内毫米波MIMO（Multiple Input Multiple Output）系统进行性能分析，分别评估了迫零（Zero Force，ZF）接收机、最小均方误差（Minimum Mean Square Error，MMSE）接收机以及匹配滤波（Matched Filter，MF）接收机在基于码本的最优波束选择下的传输速率，并对接收机在不同的信道环境下进行性能评估.仿真结果表明，无论视距（Line-Of-Sight，LOS）传播路径是否被遮挡，MMSE接收机和ZF接收机在总发射功率较高时均具有接近容量的性能；在总发射功率较低时MMSE接收机的性能则略优于ZF接收机.相反，MF接收机始终保持较差的性能.系统可根据总发射功率大小以及接收机的实现复杂度来选取合适的接收机.本文所研究的系统可应用于实际室内无线个域网（Wireless Personal Area Networks，WPAN）以实现高速短距无线通信.

关键词: 毫米波通信, MIMO, 混合波束赋形, 性能分析

Abstract:

Hybrid beamforming increases data rate through digital beamforming in baseband and analog beamforming in radio frequency.In order to analyze the capacity of indoor millimeter wave multiple input multiple output (MIMO) system based on hybrid beamforming,we investigate the zero force (ZF) receiver,the minimum mean square error (MMSE) receiver,and the matched filter (MF) receiver to obtain the data rate of the system under the optimal codebook-based beam selection in different circumstances.Simulation results show that whether the line-of-sight path is blocked,both the MMSE receiver and the ZF receiver achieve the performance which is close to the capacity under high total transmit power;under low total transmit power,the performance of the MMSE receiver is slightly better than the ZF receiver.However,the MF receiver shows poor performance.The system could adopt suitable receiver according to total transmit power and the complexity of receiver.The practical indoor wireless personal area networks (WPAN) could achieve high data rate short-distance wireless communications by applying the system we investigated in this paper.

Key words: millimeter wave communication, multiple input multiple output (MIMO), hybrid beamforming, performance analysis

中图分类号:

TN928

冯子奇, 牛勇, 苏厉, 等. 基于混合波束赋形的室内毫米波MIMO系统性能分析[J]. 电子学报, 2017, 45(6): 1281-1287.

FENG Zi-qi, NIU Yong, SU Li, et al. Performance Analysis of the Hybrid Beamforming Based Indoor Millimeter Wave MIMO System[J]. Acta Electronica Sinica, 2017, 45(6): 1281-1287.

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基于混合波束赋形的室内毫米波MIMO系统性能分析

Performance Analysis of the Hybrid Beamforming Based Indoor Millimeter Wave MIMO System

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