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08/14/2023
Data-Driven Robust Beamforming for Initial Access
We consider a robust beamforming problem where large amount of downlink ...
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07/31/2023
Distributed Signal Processing for Out-of-System Interference Suppression in Cell-Free Massive MIMO
Cell-free massive multiple-input-multiple-output (CF-mMIMO) is a next-ge...
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07/06/2023
Massive MIMO with Cauchy Noise: Channel Estimation, Achievable Rate and Data Decoding
We consider massive multiple-input multiple-output (MIMO) systems in the...
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05/12/2023
Decentralized Learning over Wireless Networks: The Effect of Broadcast with Random Access
In this work, we focus on the communication aspect of decentralized lear...
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05/02/2023
Dynamic Scheduling for Federated Edge Learning with Streaming Data
In this work, we consider a Federated Edge Learning (FEEL) system where ...
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04/11/2023
Phase Calibration of Distributed Antenna Arrays
Antenna arrays can be either reciprocity calibrated (R-calibrated), whic...
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04/05/2023
25 Years of Signal Processing Advances for Multiantenna Communications
Wireless communication technology has progressed dramatically over the p...
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02/28/2023
On-the-Fly Communication-and-Computing for Distributed Tensor Decomposition Over MIMO Channels
Distributed tensor decomposition (DTD) is a fundamental data-analytics t...
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01/27/2023
Distributed Consensus in Wireless Networks with Probabilistic Broadcast Scheduling
We consider distributed average consensus in a wireless network with par...
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01/12/2023
Grant-Free Random Access of IoT devices in Massive MIMO with Partial CSI
The number of wireless devices is drastically increasing, resulting in m...
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12/14/2022
Scheduling and Aggregation Design for Asynchronous Federated Learning over Wireless Networks
Federated Learning (FL) is a collaborative machine learning (ML) framewo...
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11/17/2022
Activity Detection in Distributed Massive MIMO With Pilot-Hopping and Activity Correlation
Many real-world scenarios for massive machine-type communication involve...
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11/01/2022
Over-the-Air Computation for Distributed Systems: Something Old and Something New
Facing the upcoming era of Internet-of-Things and connected intelligence...
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10/05/2022
Over-the-Air Federated Learning with Privacy Protection via Correlated Additive Perturbations
In this paper, we consider privacy aspects of wireless federated learnin...
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08/09/2022
Energy-Efficient Power Allocation for an Underlay Spectrum Sharing RadioWeaves Network
RadioWeaves network operates a large number of distributed antennas usin...
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08/05/2022
Activity Detection in Distributed MIMO: Distributed AMP via Likelihood Ratio Fusion
We develop a new algorithm for activity detection for grant-free multipl...
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06/28/2022
Physical Layer Abstraction Model for RadioWeaves
RadioWeaves, in which distributed antennas with integrated radio and com...
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06/14/2022
Downlink Power Allocation in Massive MIMO via Deep Learning: Adversarial Attacks and Training
The successful emergence of deep learning (DL) in wireless system applic...
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05/09/2022
Data Size-Aware Downlink Massive MIMO: A Session-Based Approach
This letter considers the development of transmission strategies for the...
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05/04/2022
Combining Reciprocity and CSI Feedback in MIMO Systems
Reciprocity-based time-division duplex (TDD) Massive MIMO (multiple-inpu...
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03/24/2022
Optimal MIMO Combining for Blind Federated Edge Learning with Gradient Sparsification
We provide the optimal receive combining strategy for federated learning...
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12/31/2021
NOMA Versus Massive MIMO in Rayleigh Fading
This paper compares the sum rates and rate regions achieved by power-dom...
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12/31/2021
Human and Machine Type Communications can Coexist in Uplink Massive MIMO Systems
Future cellular networks are expected to support new communication parad...
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12/31/2021
MRT-based Joint Unicast and Multigroup Multicast Transmission in Massive MIMO Systems
We study joint unicast and multigroup multicast transmission in single-c...
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12/22/2021
Energy-Efficient Massive MIMO for Federated Learning: Transmission Designs and Resource Allocations
Future wireless networks require the integration of machine learning wit...
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12/01/2021
BeamSync: Over-The-Air Carrier Synchronization in Distributed RadioWeaves
In a distributed multi-antenna system, multiple geographically separated...
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11/30/2021
Distributed Computation of A Posteriori Bit Likelihood Ratios in Cell-Free Massive MIMO
This paper presents a novel strategy to decentralize the soft detection ...
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11/30/2021
Clustering-Based Activity Detection Algorithms for Grant-Free Random Access in Cell-Free Massive MIMO
Future wireless networks need to support massive machine type communicat...
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11/30/2021
RadioWeaves for Extreme Spatial Multiplexing in Indoor Environments
With the advances in virtual and augmented reality, gaming applications,...
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11/04/2021
Analog MIMO Communication for One-shot Distributed Principal Component Analysis
A fundamental algorithm for data analytics at the edge of wireless netwo...
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10/10/2021
Universal Adversarial Attacks on Neural Networks for Power Allocation in a Massive MIMO System
Deep learning (DL) architectures have been successfully used in many app...
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09/06/2021
Learning to Perform Downlink Channel Estimation in Massive MIMO Systems
We study downlink (DL) channel estimation in a multi-cell Massive multip...
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09/02/2021
Sensing and Classification Using Massive MIMO: A Tensor Decomposition-Based Approach
Wireless-based activity sensing has gained significant attention due to ...
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08/30/2021
Energy-Efficient Massive MIMO for Serving Multiple Federated Learning Groups
With its privacy preservation and communication efficiency, federated le...
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07/23/2021
Device Scheduling and Update Aggregation Policies for Asynchronous Federated Learning
Federated Learning (FL) is a newly emerged decentralized machine learnin...
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05/21/2021
An Algorithm for Grant-Free Random Access in Cell-Free Massive MIMO
Massive access is one of the main use cases of beyond 5G (B5G) wireless ...
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05/21/2021
Enhanced Fairness and Scalability of Power Control Schemes in Multi-Cell Massive MIMO
This paper studies the transmit power optimization in multi-cell massive...
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05/21/2021
A Fair and Scalable Power Control Scheme in Multi-cell Massive MIMO
This paper studies the transmit power optimization in a multi-cell massi...
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05/19/2021
Model-based and Data-driven Approaches for Downlink Massive MIMO Channel Estimation
We study downlink channel estimation in a multi-cell Massive multiple-in...
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04/06/2021
Improving Cell-Free Massive MIMO by Local Per-Bit Soft Detection
In this letter, we consider the uplink of a cell-free Massive multiple-i...
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03/09/2021
User Association in Scalable Cell-Free Massive MIMO Systems
In this work, we consider the uplink of a scalable cell-free massive MIM...
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03/01/2021
Active Reconfigurable Intelligent Surface Aided Wireless Communications
Reconfigurable Intelligent Surface (RIS) is a promising solution to reco...
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02/09/2021
Moving Object Classification with a Sub-6 GHz Massive MIMO Array using Real Data
Classification between different activities in an indoor environment usi...
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01/28/2021
Adversarial Attacks on Deep Learning Based Power Allocation in a Massive MIMO Network
Deep learning (DL) is becoming popular as a new tool for many applicatio...
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01/25/2021
Enhanced Normalized Conjugate Beamforming for Cell-Free Massive MIMO
In cell-free massive multiple-input multiple-output (MIMO) the fluctuati...
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01/12/2021
Is NOMA Efficient in Multi-Antenna Networks? A Critical Look at Next Generation Multiple Access Techniques
In this paper, we take a critical and fresh look at the downlink multi-a...
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12/29/2020
Consensus-Based Distributed Computation of Link-Based Network Metrics
Average consensus algorithms have wide applications in distributed compu...
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12/27/2020
MMSE-Optimal Sequential Processing for Cell-Free Massive MIMO With Radio Stripes
Cell-free massive multiple-input-multiple-output (mMIMO) is an emerging ...
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10/18/2020
Max-Min Power Control in Downlink Massive MIMO with Distributed Antenna Arrays
In this paper, we investigate optimal downlink power allocation in massi...
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08/18/2020