Channel estimation for mmWave massive MIMO systems
Z. Gao*; L. Dai†; C. Hu†; X. Gao†; Z. Wang† * Beijing Institute of Technology, Beijing, China† Tsinghua University, Beijing, China
Abstract
Accurate channel estimation (CE) is challenging in millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems due to the large number of antennas, low signal-to-noise ratio before beamforming, hardware constraint, and so on. In this chapter, we review state-of-the-art CE solutions for mmWave massive MIMO systems. To be specific, we first introduce the preparatory work, including the mmWave massive MIMO channels with sparsity, the hybrid MIMO transceiver structure with analog phase-shift network, and the receiver with one-bit ...
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