Machine Learning-Based Dimension Optimization for Two-Stage Precoder in Massive MIMO Systems with Limited Feedback

Machine Learning-Based Dimension Optimization for Two-Stage Precoder in Massive MIMO Systems with Limited Feedback

A two-stage precoder is widely considered in frequency division duplex massive multiple-input and multiple-output (MIMO) systems to resolve the channel feedback overhead problem. In massive MIMO systems, users on a network can be divided into several user groups of similar spatial antenna correlatio...

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Bibliographic Details
Main Authors: Jinho Kang, Jung Hoon Lee, Wan Choi
Format: Article
Language:English
Published: MDPI AG 2019-07-01
Series:Applied Sciences
Subjects:
massive MIMO
machine learning
deep neural network
limited feedback
two-stage precoder
non-convex optimization
Online Access:https://www.mdpi.com/2076-3417/9/14/2894

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