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2019 | OriginalPaper | Chapter

Channel Estimation in Massive MIMO TDD Systems

Authors : Zhuyun Fan, Chaoyue Zhao, Jiyu Jin, Guiyue Jin, Lihui Wang

Published in: Green Energy and Networking

Publisher: Springer International Publishing

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Abstract

Massive multiple-input multiple-output (MIMO) significantly improves the spectral efficiency and energy efficiency of the systems. In this paper, a channel estimation based on pilot method is proposed for multi-cell massive MIMO time division duplex (TDD) systems. The proposed estimator designs an orthogonal pilot structure to mitigate pilot contamination. Additionally, the receiver estimates the channel state information (CSI) at the pilot tone, and combines the interpolation algorithm to obtain the desired signal. The proposed method increases the accuracy of channel estimation with the lower computational complexity. Simulations results verify the effectiveness of the proposed method.

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Metadata
Title
Channel Estimation in Massive MIMO TDD Systems
Authors
Zhuyun Fan
Chaoyue Zhao
Jiyu Jin
Guiyue Jin
Lihui Wang
Copyright Year
2019
Book
Green Energy and Networking

Print ISBN: 978-3-030-21729-7

Electronic ISBN: 978-3-030-21730-3

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-3-030-21730-3_12

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