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03/20/2023
Deep-Learning Aided Channel Training and Precoding in FDD Massive MIMO with Channel Statistics Knowledge
We propose a method for channel training and precoding in FDD massive MI...
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07/21/2022
FDD Massive MIMO Channel Training Optimal Rate Distortion Bounds and the Efficiency of one-shot Schemes
We study the problem of providing channel state information (CSI) at the...
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02/03/2022
Channel State Acquisition in FDD Massive MIMO: Rate-Distortion Bound and Effectiveness of "Analog" Feedback
We consider the problem of estimating channel fading coefficients (model...
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10/07/2021
Structured Channel Covariance Estimation from Limited Samples for Large Antenna Arrays
In massive MIMO systems, the knowledge of channel covariance matrix is c...
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08/25/2020
Dual-Polarized FDD Massive MIMO: A Comprehensive Framework
We propose a comprehensive scheme for realizing a massive multiple-input...
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05/29/2020
Joint Approximate Covariance Diagonalization with Applications in MIMO Virtual Beam Design
We study the problem of maximum-likelihood (ML) estimation of an approxi...
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12/05/2019
Uplink-Downlink Channel Covariance Transformations and Precoding Design for FDD Massive MIMO
A large majority of cellular networks deployed today make use of Frequen...
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10/31/2019
Structured Channel Covariance Estimation from Limited Samples in Massive MIMO
Obtaining channel covariance knowledge is of great importance in various...
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10/30/2019
Machine Learning for Geometrically-Consistent Angular Spread Function Estimation in Massive MIMO
In the spatial channel models used in multi-antenna wireless communicati...
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03/06/2019
WiFi-Based Indoor Localization via Multi-Band Splicing and Phase Retrieval
We study the problem of indoor localization using commodity WiFi channel...
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03/15/2018
FDD Massive MIMO via UL/DL Channel Covariance Extrapolation and Active Channel Sparsification
We propose a novel method for massive Multiple-Input Multiple-Output (ma...
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01/11/2018
Multi-Band Covariance Interpolation with Applications in Massive MIMO
In this paper, we study the problem of multi-band (frequency-variant) co...
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05/09/2017
