NDLI: Joint hybrid precoder and combiner design for multi-stream transmission in mmWave MIMO systems

Content Provider	IET Digital Library
Author	Li, Ming Wang, Zihuang Tian, Xiaowen Liu, Qian
Abstract	Millimeter wave (mmWave) communications have been considered as a key technology for future 5G wireless networks since it can provide orders-of-magnitude wider bandwidth than current cellular bands. To overcome the severe propagation loss of the mmWave channel, an economic and energy-efficient analogue/digital hybrid precoding and combining transceiver architecture is widely used in mmWave massive multiple-input multiple-output (MIMO) systems. The digital precoding/combining layer offers more freedom than pure analogue one and enables multi-stream transmission. In this study, the authors consider the problem of codebook-based joint hybrid precoder and combiner design for multi-stream transmission in mmWave MIMO systems. The authors propose to jointly select an analogue precoder and combiner pair for each data stream successively, which can maximise the channel gain as well as suppress the interference between different data streams. Then, the digital precoder and combiner are computed based on the obtained effective baseband channel to further mitigate the interference and maximise the sum-rate. Both fully-connected and partially-connected hybrid beamforming structures are investigated. Simulation results demonstrate that the proposed algorithms exhibit prominent advantages in combating interference between different data streams and offer satisfactory performance improvements compared with the existing codebook-based hybrid beamforming schemes.
Starting Page	2596
Ending Page	2604
Page Count	9
ISSN	17518628
Volume Number	11
e-ISSN	17518636
Issue Number	Issue 17, Nov (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/11/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2017.0263
Journal	IET Communications
Publisher Date	2017-09-05
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	5G Mobile Communication 5G Wireless Networks Cellular Band Code Codebook-based Hybrid Beamforming Scheme Codebook-based Joint Hybrid Precoder Codecs Codecs, Coders And Decoders Combiner Design Digital Precoding-combining Layer Energy-efficient Analogue-digital Hybrid Precoding Hybrid Precoder Millimeter Wave Communication MIMO Communication MmWave Channel MmWave Massive Multiple-input Multiple-output System MmWave MIMO System Mobile Radio System Multistream Transmission Partially-connected Hybrid Beamforming Structure Precoding Telecommunication Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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