A perturbation-based extension of SOMP jointly recovers off-grid parameters and sparse weights for mmWave channel and covariance estimation.
Compressed sensing off the grid
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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.
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Off-Grid Aware Channel and Covariance Estimation in mmWave Networks
A perturbation-based extension of SOMP jointly recovers off-grid parameters and sparse weights for mmWave channel and covariance estimation.
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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.