Óscar Fresnedo

63 papers Misc 2Journal 31Unranked 30
YearRankTypeTitle / Venue / Authors
2026 J jnl
Pixel-Based CF-mMIMO: Addressing the AP Cooperation Cluster Formation in Fronthaul-Limited O-RAN Architectures.
IEEE Trans. Commun.
Dariel Pereira-Ruisánchez, Michael Joham, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo, Wolfgang Utschick
2025 — conf
A GNN-Based Approach to AP Cooperation Cluster Formation in Cell-Free Massive MIMO.
VTC2025-Spring
Dariel Pereira-Ruisánchez, Michael Joham, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo, Wolfgang Utschick
2025 — conf
C-Footprints: A Statistic-Based Clustering for Pilot Allocation in Cell-Free Massive MIMO.
ICC
Dariel Pereira-Ruisánchez, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2025 J jnl
Low-Complexity K-Beams Clustering for Intra-Cell Pilot Reuse in Massive MIMO Communications.
IEEE Trans. Commun.
Dariel Pereira-Ruisánchez, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2024 J jnl
A Rank-Constrained Coordinate Ascent Approach to Hybrid Precoding for the Downlink of Wideband Massive (MIMO) Systems.
CoRR
José P. González-Coma, Óscar Fresnedo, Luis Castedo
2024 J jnl
Alternating Minimization for Wideband Multiuser IRS-Aided MIMO Systems Under Imperfect CSI.
IEEE Trans. Signal Process.
Darian Pérez-Adán, Michael Joham, Óscar Fresnedo, José P. González-Coma, Luis Castedo, Wolfgang Utschick
2024 J jnl
Alternating Minimization for Wideband Multiuser IRS-aided MIMO Systems under Imperfect CSI.
CoRR
Darian Pérez-Adán, Michael Joham, Óscar Fresnedo, José P. González-Coma, Luis Castedo, Wolfgang Utschick
2024 J jnl
DRL-Based Sequential Scheduling for IRS-Assisted MIMO Communications.
IEEE Trans. Veh. Technol.
Dariel Pereira-Ruisánchez, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2024 J jnl
Deep Contextual Bandit and Reinforcement Learning for IRS-Assisted MU-MIMO Systems.
CoRR
Dariel Pereira-Ruisánchez, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2024 J jnl
Design of Linear Precoders for Correlated Sources in MIMO Multiple Access Channels.
CoRR
Pedro Suárez-Casal, José P. González-Coma, Óscar Fresnedo, Luis Castedo
2024 J jnl
Lattice-Based Analog Mappings for Low-Latency Wireless Sensor Networks.
CoRR
Pedro Suárez-Casal, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2024 J jnl
Transmission of Spatio-Temporal Correlated Sources Over Fading Multiple Access Channels With DQLC Mappings.
CoRR
Óscar Fresnedo, Pedro Suárez-Casal, Luis Castedo
2023 J jnl
A Rank-Constrained Coordinate Ascent Approach to Hybrid Precoding for the Downlink of Wideband Massive (MIMO) Systems.
IEEE Trans. Veh. Technol.
José P. González-Coma, Óscar Fresnedo, Luis Castedo
2023 — conf
A Robust DCB Approach to IRS-Assisted Vehicular Communications with ICSI.
VTC2023-Spring
Dariel Pereira-Ruisánchez, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2023 J jnl
Deep Contextual Bandit and Reinforcement Learning for IRS-Assisted MU-MIMO Systems.
IEEE Trans. Veh. Technol.
Dariel Pereira-Ruisánchez, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2023 J jnl
Lattice-Based Analog Mappings for Low-Latency Wireless Sensor Networks.
IEEE Internet Things J.
Pedro Suárez-Casal, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2023 — conf
Weighted MSE Minimization for RIS-aided Multiuser MIMO OFDM Systems with ICSI.
ISWCS
Darian Pérez-Adán, Michael Joham, Óscar Fresnedo, José P. González-Coma, Wolfgang Utschick, Luis Castedo
2022 — conf
Alternating Minimization Algorithm for Multiuser RIS-assisted MIMO Systems.
BMSB
Darian Pérez-Adán, Óscar Fresnedo, José P. González-Coma, Luis Castedo
2022 — conf
Joint Optimization of IRS-assisted MIMO Communications through a Deep Contextual Bandit Approach.
XoveTIC
Dariel Pereira-Ruisánchez, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2022 — conf
Joint Optimization of IRS-assisted MU-MIMO Communication Systems through a DRL-based Twin Delayed DDPG Approach.
BMSB
Dariel Pereira-Ruisánchez, Óscar Fresnedo, Darian Pérez-Adán, Luis Castedo
2021 J jnl
Coded Aperture Hyperspectral Image Reconstruction.
Sensors
Ignacio García-Sánchez, Óscar Fresnedo, José P. González-Coma, Luis Castedo
2021 J jnl
Educational graphic tool for teaching fundamentals of digital image representation.
Comput. Appl. Eng. Educ.
Óscar Fresnedo, Francisco Laport, Paula Maria Castro, Adriana Dapena
2021 J jnl
JSCC-Cast: A Joint Source Channel Coding Video Encoding and Transmission System with Limited Digital Metadata.
Sensors
Jose Balsa, Óscar Fresnedo, José Antonio García-Naya, Tomás Domínguez-Bolaño, Luis Castedo
2021 J jnl
Rank Constrained Precoding for the Downlink of mmWave Massive MIMO Hybrid Systems.
IEEE Access
José P. González-Coma, Óscar Fresnedo, Luis Castedo
2021 J jnl
Wideband User Grouping for Uplink Multiuser mmWave MIMO Systems With Hybrid Combining.
IEEE Access
Darian Pérez-Adán, Óscar Fresnedo, José P. González-Coma, Luis Castedo
2020 — conf
Analog Transmission of Correlated Sources in SIMO MAC using Hexagonal Lattices.
WSA
Pedro Suárez-Casal, Óscar Fresnedo, Jose P. Gonzalez-Coma, Darian Pérez-Adán, Luis Castedo
2020 — conf
Hybrid Combining Design for User Clustering in mmWave MIMO Systems.
SiPS
Darian Pérez-Adán, Óscar Fresnedo, José P. González-Coma, Luis Castedo
2020 J jnl
User Grouping for the Uplink of Multiuser Hybrid mmWave MIMO.
IEEE Access
Darian Pérez-Adán, Óscar Fresnedo, José P. González-Coma, Luis Castedo
2019 — conf
Evaluation of Analog Encoding for Multi-User Wireless Transmission of Still Images.
EUSIPCO
Jose Balsa, Óscar Fresnedo, Tomás Domínguez-Bolaño, José Antonio García-Naya, Luis Castedo
2019 — conf
Experimental Evaluation of Analog Encoding for the Wireless Transmission of Still Images.
SPAWC
Jose Balsa, Óscar Fresnedo, Tomás Domínguez-Bolaño, José Antonio García-Naya, Luis Castedo
2019 — conf
Hybrid mmWave MIMO Transceivers for the Uplink of Multiple Correlated Users.
SPAWC
Darian Pérez-Adán, José P. González-Coma, Óscar Fresnedo, Luis Castedo
2019 — conf
Low-Complexity Hybrid Transceivers for Uplink Multiuser mmWave MIMO by User Clustering.
EUSIPCO
Darian Pérez-Adán, José P. González-Coma, Óscar Fresnedo, Luis Castedo
2019 J jnl
Transmission of Analog Information Over the Multiple Access Relay Channel Using Zero-Delay Non-Linear Mappings.
IEEE Access
Óscar Fresnedo, Pedro Suárez-Casal, Luis Castedo
2019 J jnl
Transmission of Spatio-Temporal Correlated Sources Over Fading Multiple Access Channels With DQLC Mappings.
IEEE Trans. Commun.
Óscar Fresnedo, Pedro Suárez-Casal, Luis Castedo
2019 J jnl
Transmission of Still Images Using Low-Complexity Analog Joint Source-Channel Coding.
Sensors
Jose Balsa, Tomás Domínguez-Bolaño, Óscar Fresnedo, José Antonio García-Naya, Luis Castedo
2018 J jnl
Analog Transmission of Spatio-Temporal Correlated Sources Over MAC With Modulo Mappings.
IEEE Commun. Lett.
Pedro Suárez-Casal, Óscar Fresnedo, Luis Castedo
2018 — conf
DQLC Optimization for Joint Source Channel Coding of Correlated Sources over Fading MAC.
EUSIPCO
Pedro Suárez-Casal, Óscar Fresnedo, Luis Castedo
2018 J jnl
Design of Linear Precoders for Correlated Sources in MIMO Multiple Access Channels.
IEEE Trans. Commun.
Pedro Suárez-Casal, Jose P. Gonzalez-Coma, Óscar Fresnedo, Luis Castedo
2017 J jnl
Analog Transmission of Correlated Sources Over BC With Distortion Balancing.
IEEE Trans. Commun.
Pedro Suárez-Casal, Óscar Fresnedo, Luis Castedo, Javier Garcia-Frías
2017 J jnl
Analog Transmission of Correlated Sources Over Fading SIMO Multiple Access Channels.
IEEE Trans. Commun.
Pedro Suárez-Casal, Óscar Fresnedo, Luis Castedo, Javier Garcia-Frías
2017 — conf
Hybrid digital-analog joint source channel coding for broadcast multiresolution communications.
EUSIPCO
Óscar Fresnedo, Pedro Suárez-Casal, Luis Castedo, Javier Garcia-Frías
2016 — conf
Analog distributed coding of correlated sources for fading multiple access channels.
SSP
Óscar Fresnedo, Pedro Suárez-Casal, Luis Castedo, Javier Garcia-Frías
2016 — conf
Analog joint source channel coding over MIMO fading channels with imperfect CSI.
SSP
Jose P. Gonzalez-Coma, Pedro Suárez-Casal, Óscar Fresnedo, Luis Castedo
2016 — conf
Analog transmission of correlated sources over spatially correlated fading SIMO MAC.
SPAWC
Pedro Suárez-Casal, Óscar Fresnedo, Luis Castedo, Javier Garcia-Frías
2016 J jnl
Analogue joint source-channel coding for multiple input multiple output-orthogonal frequency division multiplexing systems.
Trans. Emerg. Telecommun. Technol.
Óscar Fresnedo, Francisco J. Vázquez-Araújo, Luis Castedo, Javier Garcia-Frías
2016 Misc conf
Parametric analog mappings for correlated Gaussian sources over AWGN channels.
ICASSP
Pedro Suárez-Casal, Óscar Fresnedo, Luis Castedo, Javier Garcia-Frías
2016 — conf
Transmission of Analog Correlated Sources over MIMO Fading Channels.
WSA
Pedro Suárez-Casal, Óscar Fresnedo, Luis Castedo, Javier Garcia-Frías
2015 — conf
Analog joint source channel coding for MIMO broadcast channels.
EUSIPCO
Óscar Fresnedo, Jose P. Gonzalez-Coma, Luis Castedo, Javier Garcia-Frías
2015 — conf
Design of analog Joint Source-Channel Coding systems for Broadcast Channels with MSE balancing.
SPAWC
Óscar Fresnedo, Jose P. Gonzalez-Coma, Luis Castedo
2015 J jnl
Estimation of Laplacian Symbols for Analog Transmission Over MIMO Channels.
IEEE Commun. Lett.
Pedro Suárez-Casal, Óscar Fresnedo, Luis Castedo
2015 J jnl
Evaluation of Analog Joint Source-Channel Coding Systems for Multiple Access Channels.
IEEE Trans. Commun.
Óscar Fresnedo, Jose P. Gonzalez-Coma, Mohamed Hassanin, Luis Castedo, Javier Garcia-Frías
2015 — conf
Rate allocation on Broadcast Channels with analog Joint Source Channel Coding.
ISWCS
Óscar Fresnedo, Jose P. Gonzalez-Coma, Luis Castedo, Javier Garcia-Frías
2014 Misc conf
Analog joint source channel coding for block fading Multiple Access Channels.
ICASSP
Óscar Fresnedo, Luis Castedo, Mohamed Hassanin, Javier Garcia-Frías
2014 — conf
Analog joint source-channel coding for MIMO Multiple Access Channels.
SAM
Óscar Fresnedo, Jose P. Gonzalez-Coma, Luis Castedo, Javier Garcia-Frías
2014 J jnl
Analog joint source-channel coding over MIMO channels.
EURASIP J. Wirel. Commun. Netw.
Francisco J. Vázquez-Araújo, Óscar Fresnedo, Luis Castedo, Javier Garcia-Frías
2014 — conf
Design of MAC access schemes for analog joint source channel coding.
ISWCS
Óscar Fresnedo, Jose P. Gonzalez-Coma, Luis Castedo, Javier Garcia-Frías
2014 — conf
Explicit MMSE MIMO transceiver solution for analog joint source channel coding.
ISWCS
Markus Rupp, Óscar Fresnedo, Luis Castedo Ribas
2013 — conf
Analog Joint Source Channel Coding for Gaussian Multiple Access Channels.
MACOM
Mohamed Hassanin, Óscar Fresnedo, Javier Garcia-Frías, Luis Castedo
2013 — conf
Analog Joint Source-Channel Coding for OFDM systems.
SPAWC
Óscar Fresnedo, Francisco J. Vázquez-Araújo, Luis Castedo, Javier Garcia-Frías
2013 J jnl
Low-Complexity Near-Optimal Decoding for Analog Joint Source Channel Coding Using Space-Filling Curves.
IEEE Commun. Lett.
Óscar Fresnedo, Francisco J. Vázquez-Araújo, Luis Castedo, Javier Garcia-Frías
2012 — conf
Analog joint source-channel coding in MIMO Rayleigh fading channels.
EUSIPCO
Óscar Fresnedo, Francisco J. Vázquez-Araújo, Luis Castedo, Miguel González-López, Javier Garcia-Frías
2011 — conf
Comparison between Analog Joint Source-Channel Coded and Digital BICM Systems.
ICC
Óscar Fresnedo, Francisco J. Vázquez-Araújo, Miguel González-López, Luis Castedo, Javier Garcia-Frías
2011 — conf
Experimental Evaluation of Analog Joint Source-Channel Coding in Indoor Environments.
ICC
José Antonio García-Naya, Óscar Fresnedo, Francisco J. Vázquez-Araújo, Miguel González-López, Luis Castedo, Javier Garcia-Frías