An ADMM-AltMin algorithm substitutes a low-complexity ADMM solve for the semidefinite relaxation step in alternating minimization for wideband DPA-MIMO hybrid precoding, matching SDR-AltMin spectral efficiency in simulations.
Distributed optimiza- tion and statistical learning via the alternating directio n method of multipliers,
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ADMM Enabled Hybrid Precoding in Wideband Distributed Phased Arrays Based MIMO Systems
An ADMM-AltMin algorithm substitutes a low-complexity ADMM solve for the semidefinite relaxation step in alternating minimization for wideband DPA-MIMO hybrid precoding, matching SDR-AltMin spectral efficiency in simulations.