Semi-dynamic pilot allocation based on graph coloring in massive MIMO systems

To alleviate the performance loss caused by pilot contamination in massive multiple-input multiple-output (MIMO) systems,a semi-dynamic pilot allocation scheme based on graph coloring was proposed.Firstly,a pilot reuse threshold was derived for users.Then,based on the pilot reuse threshold,users of...

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Bibliographic Details
Main Authors: Fangmin XU, Hui QIAN, Haiyan CAO
Format: Article
Language:zho
Published: Beijing Xintong Media Co., Ltd 2020-11-01
Series:Dianxin kexue
Subjects:
Online Access:http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2020184/
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