activity
20242026
collaborators

7 papers

cs.IT2026

Study of Code-Aided Channel Estimation for Metasurface-Based Holographic MIMO Systems

Roberto C. G. Porto, Rodrigo C. de Lamare

This work proposes an iterative code-aided detection, decoding, and channel estimation scheme for metasurface-based holographic MIMO systems employing stacked intelligent metasurfa…

cs.IT2025

Iterative Channel Estimation, Detection and Decoding for Multi-Antenna Systems with RIS

Roberto C. G. Porto, Rodrigo C. de Lamare

This work proposes an iterative channel estimation, detection and decoding (ICEDD) scheme for the uplink of multi-user multi-antenna systems assisted by multiple reconfigurable int…

cs.IT2025

Study of Iterative Dynamic Channel Tracking for Multiple RIS-Assisted MIMO Systems

Roberto C. G. Porto, Rodrigo C. de Lamare

The use of multiple Reconfigurable Intelligent Sur- faces (RIS) has gained attention in 6G networks to enhance coverage. However, the feasibility of deploying multiple RIS relies o…

cs.IT2025

Study of Iterative Detection, Decoding and Channel Estimation for RIS-Aided MIMO Networks

Roberto C. G. Porto, Rodrigo C. de Lamare

This work proposes an iterative detection, decoding and channel estimation scheme for multiple-antenna systems assisted by multiple reflective intelligent surfaces (RIS). A novel c…

cs.IT2025

RIS Deployment Optimization with Iterative Detection and Decoding in Multiuser Multiple-Antenna Systems

R. Porto, R. de Lamare

This work investigates a Reconfigurable Intelligent Surface (RIS)-assisted uplink system employing iterative detection and decoding (IDD) techniques. We analyze the impact of tunin…

cs.IT2024

Study of Iterative Detection and Decoding for Multiuser Systems and MMSE Refinements with Active or Passive RIS

R. Porto, R. C. de Lamare

An iterative detection and decoding (IDD) scheme is proposed for multiuser multiple-antenna systems assisted by an active or a passive Reconfigurable Intelligent Surface (RIS). The…