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Paper detail

Sparsity-Adaptive Beamspace Channel Estimation for 1-Bit mmWave Massive MIMO Systems

We propose sparsity-adaptive beamspace channel estimation algorithms that improve accuracy for 1-bit data converters in all-digital millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) basestations. Our algorithms include a tuning stage based on Stein's unbiased risk estimate (SURE) that automatically selects optimal denoising parameters depending on the instantaneous channel conditions. Simulation results with line-of-sight (LoS) and non-LoS mmWave massive MIMO channel models show that our algorithms improve channel estimation accuracy with 1-bit measurements in a computationally-efficient manner.

preprint2020arXivOpen access
Alexandra Gallyas-SanhuezaSeyed Hadi MirfarshbafanRamina GhodsChristoph Studer
math.ITInformation Theoryeess.SP
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Alexandra Gallyas-SanhuezaSeyed Hadi MirfarshbafanRamina GhodsChristoph Studer

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