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Angle-Domain Aided UL/DL Channel Estimation for Wideband mmWave Massive MIMO Systems With Beam Squint
Author(s) -
Mengnan Jian,
Feifei Gao,
Zhi Tian,
Shi Jin,
Shaodan Ma
Publication year - 2019
Publication title -
ieee transactions on wireless communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.01
H-Index - 223
eISSN - 1558-2248
pISSN - 1536-1276
DOI - 10.1109/twc.2019.2915072
Subject(s) - telecommunications link , computer science , wideband , mimo , channel (broadcasting) , overhead (engineering) , algorithm , electronic engineering , telecommunications , engineering , operating system
In this paper, we design an uplink/downlink channel estimation method for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems and investigate the impact of beam squint effect that accompanies large array configuration. Specifically, we adopt the off-grid sparse Bayesian learning (SBL) that directly works on the continuous angle-delay parameter domain and avoids the grid ...

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