NDLI: Fast group detection for massive MIMOs

Content Provider	IET Digital Library
Author	Lu, Hoang Yang Yen, Mao Hsu Chen, Bo Sing
Abstract	In this study, the authors consider symbol detection at the receiver of the base station for uplink massive multiple-input multiple-output (MIMO) systems over a fading channel, in which the base station uses a large number of antennas to serve many users. First, the authors review the existing detection methods such as the minimum mean square error and Vertical-Bell Laboratories Layered Space Time (V-BLAST). In addition, because the bit error rate (BER) performance of V-BLAST is close to that of the optimal method, the authors describe the procedures of the V-BLAST in detail. Then, to achieve a satisfactory trade-off between the BER performance and the computational complexity for practical implementation in massive MIMO systems, the authors propose a fast group-based symbol detection scheme. They also derive the expressions needed to select the symbol indices of a group for detection. Our simulation results and complexity analysis show that the performance of the proposed scheme is close to that of the V-BLAST algorithm with a significant saving in computational complexity.
Starting Page	1602
Ending Page	1608
Page Count	7
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 13, Aug (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2017.0833
Journal	IET Communications
Publisher Date	2018-04-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Antenna Array Base Station BER Performance Bit Error Rate Performance Communication Complexity Computational Complexity Error Statistics Fading Channel Fast Group-based Symbol Detection Scheme Interpolation And Function Approximation Least Mean Squares Method MIMO Communication Minimum Mean Square Error Numerical Analysis Radio Link And Equipment Radio Receiver Receiver Statistics Symbol Detection Scheme Uplink Massive MIMO System Uplink Massive Multiple-input Multiple-output System V-BLAST Algorithm Vertical-Bell Laboratories Layered Space Time
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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