Dirk Slock
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View article: Bayesian Learning for Pilot Decontamination in Cell-Free Massive MIMO
Bayesian Learning for Pilot Decontamination in Cell-Free Massive MIMO Open
Pilot contamination (PC) arises when the pilot sequences assigned to user equipments (UEs) are not mutually orthogonal, eventually due to their reuse. In this work, we propose a novel expectation propagation (EP)-based joint channel estima…
View article: Tensor-Structured Bayesian Channel Prediction for Upper Mid-Band XL-MIMO Systems
Tensor-Structured Bayesian Channel Prediction for Upper Mid-Band XL-MIMO Systems Open
The upper mid-band balances coverage and capacity for the future cellular systems and also embraces XL-MIMO systems, offering enhanced spectral and energy efficiency. However, these benefits are significantly degraded under mobility due to…
View article: High-Precision LoS Localization Using Composite Nakagami-m Log-Normal Model
High-Precision LoS Localization Using Composite Nakagami-m Log-Normal Model Open
International audience
View article: NOMA-Aided Aggregated Coded Caching
NOMA-Aided Aggregated Coded Caching Open
International audience
View article: Multipath Component Power Delay Profile Based Joint Range and Doppler Estimation for AFDM-ISAC Systems
Multipath Component Power Delay Profile Based Joint Range and Doppler Estimation for AFDM-ISAC Systems Open
Integrated Sensing and Communication (ISAC) systems combine sensing and communication functionalities within a unified framework, enhancing spectral efficiency and reducing costs by utilizing shared hardware components. This paper investig…
View article: Hierarchical Expectation Propagation for Semi-Blind Channel Estimation in Cell-Free Networks
Hierarchical Expectation Propagation for Semi-Blind Channel Estimation in Cell-Free Networks Open
International audience
View article: Single Snapshot Direction of Arrival Estimation Using the EP-SURE-SBL Algorithm
Single Snapshot Direction of Arrival Estimation Using the EP-SURE-SBL Algorithm Open
International audience
View article: Analytical Insights Into Outage Probability and Ergodic Capacity of Fluid Antenna Systems
Analytical Insights Into Outage Probability and Ergodic Capacity of Fluid Antenna Systems Open
International audience
View article: Reconciling AMP Algorithms derived from Belief Propagation or the Large System Limit Bethe Free Energy
Reconciling AMP Algorithms derived from Belief Propagation or the Large System Limit Bethe Free Energy Open
International audience
View article: Non-Circular Combined Expectation Propagation and Variational Bayes for Semi-Blind Channel Estimation in Cell-Free Systems
Non-Circular Combined Expectation Propagation and Variational Bayes for Semi-Blind Channel Estimation in Cell-Free Systems Open
International audience
View article: Parallel and Distributed Hybrid Beamforming for Multicell Millimeter Wave MIMO Full Duplex
Parallel and Distributed Hybrid Beamforming for Multicell Millimeter Wave MIMO Full Duplex Open
peer reviewed
View article: Decentralized Message-Passing for Semi-Blind Channel Estimation in Cell-Free Systems Based on Bethe Free Energy Optimization
Decentralized Message-Passing for Semi-Blind Channel Estimation in Cell-Free Systems Based on Bethe Free Energy Optimization Open
International audience
View article: Extrinsics and Linearized Component-Wise Conditionally Unbiased MMSE Estimation as in GAMP
Extrinsics and Linearized Component-Wise Conditionally Unbiased MMSE Estimation as in GAMP Open
International audience
View article: Breaking the Gaussian Barrier: Leveraging ReGVAMP to Extend EKF and IEKF
Breaking the Gaussian Barrier: Leveraging ReGVAMP to Extend EKF and IEKF Open
International audience
View article: Phased Array Combined with 3D-Printed Dielectric Lens for Millimeter Wave Fixed Wireless Access
Phased Array Combined with 3D-Printed Dielectric Lens for Millimeter Wave Fixed Wireless Access Open
International audience
View article: Decentralized Expectation Propagation for Semi-Blind Channel Estimation in Cell-Free Networks
Decentralized Expectation Propagation for Semi-Blind Channel Estimation in Cell-Free Networks Open
This paper serves as a correction to the conference version. In this work, we explore uplink communication in cell-free (CF) massive multiple-input multiple-output (MaMIMO) systems, employing semi-blind transmission structures to mitigate …
View article: Expectation Propagation based Analysis of Semi-Blind Channel Estimation in Cell-Free Systems
Expectation Propagation based Analysis of Semi-Blind Channel Estimation in Cell-Free Systems Open
International audience
View article: Group Information Geometry Approach for Ultra-Massive MIMO Signal Detection
Group Information Geometry Approach for Ultra-Massive MIMO Signal Detection Open
We propose a group information geometry approach (GIGA) for ultra-massive multiple-input multiple-output (MIMO) signal detection. The signal detection task is framed as computing the approximate marginals of the a posteriori distribution o…
View article: Matched-Filter Precoded Rate Splitting Multiple Access: A Simple and Energy-Efficient Design
Matched-Filter Precoded Rate Splitting Multiple Access: A Simple and Energy-Efficient Design Open
International audience
View article: Fast Expectation Propagation for Sparse Signal Reconstruction With a Fourier Dictionary
Fast Expectation Propagation for Sparse Signal Reconstruction With a Fourier Dictionary Open
International audience
View article: Towards hyperparameter optimization of sparse bayesian learning based on Stein’s unbiased risk estimator
Towards hyperparameter optimization of sparse bayesian learning based on Stein’s unbiased risk estimator Open
International audience
View article: Decentralized Expectation Propagation for Semi-Blind Channel Estimation in Cell-Free Networks
Decentralized Expectation Propagation for Semi-Blind Channel Estimation in Cell-Free Networks Open
International audience
View article: Affine Frequency Division Multiplexing for Compressed Sensing of Time-Varying Channels
Affine Frequency Division Multiplexing for Compressed Sensing of Time-Varying Channels Open
This paper addresses compressed sensing of linear time-varying (LTV) wireless propagation links under the assumption of double sparsity i.e., sparsity in both the delay and Doppler domains, using Affine Frequency Division Multiplexing (AFD…
View article: Multipath Component Power Delay Profile Based Ranging
Multipath Component Power Delay Profile Based Ranging Open
International audience
View article: Expectation Propagation for Semi-Blind Channel Estimation in Cell-Free Networks
Expectation Propagation for Semi-Blind Channel Estimation in Cell-Free Networks Open
International audience
View article: Vector Approximate Message Passing for Not So Large N.I.I.D. Generalized I/O Linear Models
Vector Approximate Message Passing for Not So Large N.I.I.D. Generalized I/O Linear Models Open
Many signal processing problems involve a Generalized Linear Model (GLM), which is a type of linear model where the unknowns may be non-identically independently distributed (n.i.i.d.). Vector Approximate Message Passing for Generalized Li…
View article: Parameter Estimation Via Expectation Maximization - Expectation Consistent Algorithm
Parameter Estimation Via Expectation Maximization - Expectation Consistent Algorithm Open
International audience
View article: Matched-filter Precoded Rate Splitting Multiple Access: A Simple and Energy-efficient Design
Matched-filter Precoded Rate Splitting Multiple Access: A Simple and Energy-efficient Design Open
We introduce an energy-efficient downlink rate splitting multiple access (RSMA) scheme, employing a simple matched filter (MF) for precoding. We consider a transmitter equipped with multiple antennas, serving several single-antenna users a…
View article: Exact SINR Analysis of Matched-filter Precoder
Exact SINR Analysis of Matched-filter Precoder Open
This paper answers a fundamental question about the exact distribution of the signal-to-interference-plus-noise ratio (SINR) under matched-filter (MF) precoding. Specifically, we derive the exact expressions for the cumulative distribution…