New algorithms for designing hybrid analog-digital training beams, including a block-wise method for low-resolution phase shifters, improve sparse channel estimation in mmWave MIMO simulations.
Scaling up MIMO: Opportunities and chall enges with very large arrays,
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Training Beam Design for Channel Estimation in Hybrid mmWave MIMO Systems
New algorithms for designing hybrid analog-digital training beams, including a block-wise method for low-resolution phase shifters, improve sparse channel estimation in mmWave MIMO simulations.