Paper Info
Title
Adaptive Beamforming Switch in Realistic Massive MIMO System with Prototype
Abstract
This letter proposes an adaptive beamforming switch algorithm for realistic massive multiple-input multiple-output (MIMO) systems through prototypes. It is analyzed and identified that a rigid single-mode beamforming regime is hard to maintain superior performance all the time due to no adaption to the inevitable channel variation in practice. In order to cope with this practical issue, the proposed systematic beamforming mechanism is investigated to enable dynamic selection between minimum mean-squared error and grid-of-beams beamforming algorithms, which improves system downlink performance, including throughput and block error rate. The significant performance benefits and realistic feasibility have been validated through the field tests in live networks and theoretical analyses. Meanwhile, the adaptive beamforming switch algorithm is applicable to both fourth and fifth generation time-division duplexing cellular communication system using massive-MIMO technology.
Year
DOI
Venue
2022
10.1587/transfun.2021EAL2005
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES
Keywords
DocType
Volume
adaptive beamforming switch, GoB, MMSE, massive MIMO
Journal
E105A
Issue
ISSN
Citations 
1
0916-8508
0
PageRank 
References 
Authors
0.34
0
2
Name
Order
Citations
PageRank
Jiying Xu100.34
Yongmei Sun262.16