Proposes low-complexity OMP-based algorithms using implicit Dirichlet kernel structure to reduce reconstruction error in off-grid mmWave hybrid MIMO channel estimation compared to standard OMP.
Channel estimation via orthogonal matching pursuit for hybrid MIMO systems in millimeter wave com- munications,
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Channel Estimation in mmWave Hybrid MIMO System via Off-Grid Dirichlet Kernels
Proposes low-complexity OMP-based algorithms using implicit Dirichlet kernel structure to reduce reconstruction error in off-grid mmWave hybrid MIMO channel estimation compared to standard OMP.