Low-Complexity Downlink Channel Estimation for Millimeter-Wave FDD Massive MIMO Systems
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DOI: 10.1109/lwc.2019.2907955
Abstract: Downlink channel estimation in millimeter-wave (mmWave) frequency division duplex (FDD) massive multiple input multiple output (MIMO) systems is investigated in this letter. Considering the sparse scattering nature of the mmWave channels, the estimation problem is… read more here.
Keywords: downlink channel; channel estimation; estimation millimeter; complexity ... See more keywords
Subspace Tracking and Least Squares Approaches to Channel Estimation in Millimeter Wave Multiuser MIMO
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2019.2924885
Abstract: The problem of multiple-input multiple-output (MIMO) channel estimation at millimeter-wave frequencies, both in single-user setting and in multi-user setting, is tackled in this paper. Using a subspace approach, we develop a protocol enabling the estimation… read more here.
Keywords: least squares; channel estimation; estimation millimeter; subspace tracking ... See more keywords