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05/21/2023
Multi-Static Target Detection and Power Allocation for Integrated Sensing and Communication in Cell-Free Massive MIMO
This paper studies an integrated sensing and communication (ISAC) system...
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03/29/2023
Optimizing Reconfigurable Intelligent Surfaces for Short Transmissions: How Detailed Configurations can be Afforded?
In this paper, we examine how to minimize the total energy consumption o...
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03/29/2023
Optimizing Reconfigurable Intelligent Surfaces for Small Data Packets: A Subarray Approach
In this paper, we examine the energy consumption of a user equipment (UE...
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02/18/2023
mmWave Coverage Extension Using Reconfigurable Intelligent Surfaces in Indoor Dense Spaces
In this work, we consider the deployment of reconfigurable intelligent s...
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01/15/2023
Cell-Free Massive MIMO in O-RAN: Energy-Aware Joint Orchestration of Cloud, Fronthaul, and Radio Resources
The physical-layer foundations of cell-free massive MIMO are now well-es...
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09/05/2022
Power Allocation for Joint Communication and Sensing in Cell-Free Massive MIMO
This paper studies a joint communication and sensing (JCAS) system with ...
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08/08/2022
Channel Estimation under Hardware Impairments: Bayesian Methods versus Deep Learning
This paper considers the impact of general hardware impairments in a mul...
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05/23/2022
Exploiting Array Geometry for Reduced-Subspace Channel Estimation in RIS-Aided Communications
A reconfigurable intelligent surface (RIS) can be used to improve the ch...
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05/05/2022
Sparse Large-Scale Fading Decoding in Cell-Free Massive MIMO Systems
Cell-free massive multiple-input multiple-output (CF mMIMO) systems are ...
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02/18/2022
Cell-Free Massive MIMO in Virtualized CRAN: How to Minimize the Total Network Power?
Previous works on cell-free massive MIMO mostly consider physical-layer ...
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10/13/2021
A Primer on Near-Field Beamforming for Arrays and Reconfigurable Intelligent Surfaces
Wireless communication systems have almost exclusively operated in the f...
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09/08/2021
RIS-Assisted Massive MIMO with Multi-Specular Spatially Correlated Fading
Reconfigurable intelligent surfaces (RISs) have attracted great attentio...
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09/07/2021
Learning-Based Downlink Power Allocation in Cell-Free Massive MIMO Systems
This paper considers a cell-free massive multiple-input multiple-output ...
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08/10/2021
Channel Modeling and Channel Estimation for Holographic Massive MIMO with Planar Arrays
In a realistic wireless environment, the multi-antenna channel usually e...
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08/05/2021
Foundations of User-Centric Cell-Free Massive MIMO
Imagine a coverage area where each mobile device is communicating with a...
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06/17/2021
Is Channel Estimation Necessary to Select Phase-Shifts for RIS-Assisted Massive MIMO?
Reconfigurable intelligent surfaces (RISs) have attracted great attentio...
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04/16/2021
Cell-Free Massive MIMO with Large-Scale Fading Decoding and Dynamic Cooperation Clustering
This paper considers the uplink of user-centric cell-free massive MIMO (...
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06/25/2020
Large-Scale Fading Precoding for Spatially Correlated Rician Fading with Phase Shifts
We consider large-scale fading precoding (LSFP), which is a two-layer pr...
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05/04/2020
The Bussgang Decomposition of Non-Linear Systems: Basic Theory and MIMO Extensions
Many of the systems that appear in various signal processing application...
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02/19/2020
Joint Power Control and LSFD for Wireless-Powered Cell-Free Massive MIMO
This paper considers wireless uplink information and downlink power tran...
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02/05/2020
ADMM-Based One-Bit Quantized Signal Detection for Massive MIMO Systems with Hardware Impairments
This paper considers signal detection in massive multiple-input multiple...
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02/04/2020
Large-Scale Fading Precoding for Maximizing the Product of SINRs
This paper considers the large-scale fading precoding design for mitigat...
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01/25/2020
Max-Min Fair Wireless-Powered Cell-Free Massive MIMO for Uncorrelated Rician Fading Channels
This paper considers cell-free massive multiple-input multiple-output sy...
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12/18/2019
Impact of Backward Crosstalk in 2x2 MIMO Transmitters on NMSE and Spectral Efficiency
Crosstalk between the transceiver branches appears in practical multi-an...
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11/17/2019