NDLI: Multi-beam receive scheme for millimetre wave wireless communication system

Content Provider	IET Digital Library
Author	Chen, Weicong He, Shiwen Xu, Qinzhen Yang, Luxi
Abstract	Different from the conventional receive scheme for millimetre wave (mmWave) communication, this study proposes a multi-beam receive scheme to improve the quality of the received signal and enhance the robustness of the system. The authors proposal is firstly formulated as an optimisation problem, where each signal received by different beams is combined through phase compensation to harvest more transmission energy. Then the original problem is divided into a series of sub-problems and an analytical solution is further obtained for each sub-problem. Furthermore, considering the spatial sparsity of the mmWave channel, they propose further a low-computational complexity algorithm by choosing a few candidate codewords with non-negligible receive signal power. Numerical results show that their proposal achieves remarkable performance improvements even with a small size codebook and is more robust for different scenarios, especially for a non-line of sight scenario. Compared with doubling receive antennas to obtain diversity gain, their proposal obtains larger signal-to-noise ratio gain while using fewer hardware resources.
Starting Page	216
Ending Page	222
Page Count	7
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 2, Jan (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5086
Journal	IET Communications
Publisher Date	2018-10-23
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Candidate Codeword Computational Complexity Diversity Reception Hardware ReSource Millimetre Wave Communication Millimetre Wave Wireless Communication System MmWave Channel Multibeam Receive Scheme Nonnegligible Receive Signal Power Optimisation Optimisation Problem Optimisation Technique Phase Compensation Radio Link And Equipment Received Signal Signal-to-noise Ratio Gain Small Size Codebook Spatial Sparsity Transmission Energy Wireless Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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