research
∙
08/04/2023
Robust cell-free mmWave/sub-THz access using minimal coordination and coarse synchronization
This study investigates simpler alternatives to coherent joint transmiss...
share
research
∙
07/04/2023
Integrated Sensing and Communication with MOCZ Waveform
In this work, we propose a waveform based on Modulation on Conjugate-rec...
research
∙
07/03/2023
Reduced-Complexity Cross-Domain Iterative Detection for OTFS Modulation via Delay-Doppler Decoupling
In this paper, a reduced-complexity cross-domain iterative detection for...
research
∙
07/03/2023
Fairness Scheduling in User-Centric Cell-Free Massive MIMO Wireless Networks
We consider a user-centric cell-free massive MIMO wireless network with ...
research
∙
06/14/2023
On the Pulse Shaping for Delay-Doppler Communications
In this paper, we study the pulse shaping for delay-Doppler (DD) communi...
research
∙
05/15/2023
User-Centric Clustering Under Fairness Scheduling in Cell-Free Massive MIMO
We consider fairness scheduling in a user-centric cell-free massive MIMO...
research
∙
05/09/2023
Practical Channel Splicing using OFDM Waveforms for Joint Communication and Sensing in the IoT
Channel splicing is a rather new and very promising concept. It allows t...
research
∙
05/09/2023
On Multi-Message Private Computation
In a typical formulation of the private information retrieval (PIR) prob...
research
∙
05/09/2023
Fundamental Limits of Distributed Linearly Separable Computation under Cyclic Assignment
Distributed Linearly Separable Computation problem under the cyclic assi...
research
∙
04/30/2023
On the State Estimation Error of "Beam-Pointing” Channels: The Binary Case
Sensing capabilities as an integral part of the network have been identi...
research
∙
04/26/2023
Optimal Fairness Scheduling for Coded Caching in Multi-AP Wireless Local Area Networks
Coded caching schemes exploit the cumulative cache memory of the users b...
research
∙
04/24/2023
Inference in Linear Observations with Multiple Signal Sources: Analysis of Approximate Message Passing and Applications to Unsourced Random Access in Cell-Free Systems
Here we consider a problem of multiple measurement vector (MMV) compress...
research
∙
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...
research
∙
02/20/2023
Byzantine-Resistant Secure Aggregation for Federated Learning Based on Coded Computing and Vector Commitment
In this paper, we propose an efficient secure aggregation scheme for fed...
research
∙
01/11/2023
Plug-in Channel Estimation with Dithered Quantized Signals in Spatially Non-Stationary Massive MIMO Systems
As the array dimension of massive MIMO systems increases to unprecedente...
research
∙
01/06/2023
Delay-Doppler Domain Tomlinson-Harashima Precoding for OTFS-based Downlink MU-MIMO Transmissions: Linear Complexity Implementation and Scaling Law Analysis
Orthogonal time frequency space (OTFS) modulation is a recently proposed...
research
∙
12/21/2022
Deterministic-Random Tradeoff of Integrated Sensing and Communications in Gaussian Channels: A Rate-Distortion Perspective
Integrated sensing and communications (ISAC) is recognized as a key enab...
research
∙
11/28/2022
Fairness Scheduling in Dense User-Centric Cell-Free Massive MIMO Networks
We consider a user-centric scalable cell-free massive MIMO network with ...
research
∙
11/28/2022
On the Effective Usage of Priors in RSS-based Localization
In this paper, we study the localization problem in dense urban settings...
research
∙
11/18/2022
Dataset of Pathloss and ToA Radio Maps With Localization Application
In this article, we present a collection of radio map datasets in dense ...
research
∙
11/10/2022
On the Capacity of "Beam-Pointing" Channels with Block Memory and Feedback: The Binary Case
Millimeter-wave (mmWave) communication is one of the key enablers for 5G...
research
∙
10/11/2022
Little or no equalization is needed in energy-efficient sub-THz mobile access
By trading coverage and hardware complexity for abundance of spectrum, s...
research
∙
09/23/2022
A New Communication Paradigm in Wiretap Channels: Simultaneous Information Transmission and Cooperative Jamming
This paper considers a Gaussian vector wiretap channel with two users, w...
research
∙
09/19/2022
SD-Based Low-Complexity Precoder Design for Gaussian MIMO Wiretap Channels
This paper considers a Gaussian multi-input multi-output (MIMO) multiple...
research
∙
09/12/2022
MAC Wiretap Channels with Confidential and Open Messages: Improved Achievable Region and Low-complexity Precoder Design
This paper investigates the achievable region and precoder design for mu...
research
∙
09/12/2022
Orthogonal Time Frequency Space Modulation – Part III: ISAC and Potential Applications
The first two parts of this tutorial on orthogonal time frequency space ...
research
∙
09/12/2022
Orthogonal Time Frequency Space Modulation – Part II: Transceiver Designs
The fundamental concepts and challenges of orthogonal time frequency spa...
research
∙
09/12/2022
Orthogonal Time Frequency Space Modulation – Part I: Fundamentals and Challenges Ahead
This letter is the first part of a three-part tutorial on orthogonal tim...
research
∙
07/23/2022
Effective Overloaded Pilot Assignment with Pilot Decontamination for Cell-Free Systems
The pilot contamination in cell-free massive multiple-input-multiple-out...
research
∙
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...
research
∙
06/29/2022
Distributed Information Bottleneck for a Primitive Gaussian Diamond Channel with Rayleigh Fading
This paper considers the distributed information bottleneck (D-IB) probl...
research
∙
06/08/2022
Robust PCA for Subspace Estimation in User-Centric Cell-Free Wireless Networks
We consider a scalable user-centric cell-free massive MIMO network with ...
research
∙
06/08/2022
Optimal User Load and Energy Efficiency in User-Centric Cell-Free Wireless Networks
Cell-free massive MIMO is a variant of multiuser MIMO and massive MIMO, ...
research
∙
05/06/2022
Optimal Bandwidth Allocation for Multicast-Cache-Aided on-Demand Streaming in Wireless Networks
We consider a hybrid delivery scheme for streaming content, combining ca...
research
∙
04/24/2022
Information Theoretic Secure Aggregation with Uncoded Groupwise Keys
Secure aggregation, which is a core component of federated learning, agg...
research
∙
03/24/2022
SwiftAgg+: Achieving Asymptotically Optimal Communication Loads in Secure Aggregation for Federated Learning
We propose SwiftAgg+, a novel secure aggregation protocol for federated ...
research
∙
03/01/2022
Subspace-Based Pilot Decontamination in User-Centric Scalable Cell-Free Wireless Networks
We consider a cell-free wireless system operated in Time Division Duplex...
research
∙
02/08/2022
SwiftAgg: Communication-Efficient and Dropout-Resistant Secure Aggregation for Federated Learning with Worst-Case Security Guarantees
We propose SwiftAgg, a novel secure aggregation protocol for federated l...
research
∙
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...
research
∙
02/01/2022
LocUNet: Fast Urban Positioning Using Radio Maps and Deep Learning
This paper deals with the problem of localization in a cellular network ...
research
∙
01/27/2022
Coded Caching with Private Demands and Caches
Coded caching has been shown as a promissing method to reduce the networ...
research
∙
01/27/2022
Coded Caching for Two-Dimensional Multi-Access Networks
This paper studies a novel multi-access coded caching (MACC) model in tw...
research
∙
01/27/2022
Multiple-antenna Placement Delivery Array for Cache-aided MISO Systems
We consider the cache-aided multiple-input single-output (MISO) broadcas...
research
∙
01/13/2022
Uplink-Downlink Duality and Precoding Strategies with Partial CSI in Cell-Free Wireless Networks
We consider a scalable user-centric wireless network with dynamic cluste...
research
∙
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...
research
∙
09/29/2021
DNN-assisted Particle-based Bayesian Joint Synchronization and Localization
In this work, we propose a Deep neural network-assisted Particle Filter-...
research
∙
09/21/2021
Beam Refinement and User State Acquisition via Integrated Sensing and Communication with OFDM
The performance of millimeter wave (mmWave) communications strongly reli...
research
∙
09/21/2021
Pilot-Based Unsourced Random Access with a Massive MIMO Receiver: Interference Cancellation and Power Control
In this work we treat the unsourced random access problem on a Rayleigh ...
research
∙
09/13/2021
On the Optimal Load-Memory Tradeoff of Coded Caching for Location-Based Content
Caching at the wireless edge nodes is a promising way to boost the spati...
research
∙
08/19/2021