Sparse Channel Estimation for Millimeter Wave Massive MIMO Systems With Lens Antenna Array
Sparse Channel Estimation for Millimeter Wave Massive MIMO Systems With Lens Antenna Array
复制标题
具有透镜天线阵列的毫米波大规模 MIMO 系统的稀疏信道估计
DOI:
10.1109/tvt.2019.2938541
复制
发表时间:
2019-08
影响因子:
6.8
通讯作者:
Li Shaoqian
中科院分区:
文献类型:
--
作者:
Cheng Xiantao;Yang Ying;Xia Binyang;Wei Ning;Li Shaoqian
This paper addresses the channel estimation issue for millimeter wave (mmWave) massive MIMO systems with lens antenna array. Firstly, we formulate the channel estimation problem into the framework of sparse signal recovery. The formulation takes into account of the energy focusing property of the lens antenna array as well as the mutipath sparsity in mmWave MIMO channels. Then we develop an expectation maximization (EM) based algorithm to learn the parameters in the formulation, thereby fulfilling the channel estimation. Finally, we conduct simulations to verify the advantages of the proposed scheme over the state-of-the-art counterparts.
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DOI:
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发表时间:
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期刊:
GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference
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