Roberto López-Valcarce received the Telecommunication Engineer degree from the University of Vigo, Vigo, Spain, in 1995, the M.S. and Ph.D. degrees in Electrical Engineering from the University of Iowa, Iowa, USA, in 1998 and 2000 respectively, and the Ph.D. degree in Telecommunication Engineering from the University of Vigo in 2001.
Roberto is currently an Associate Professor at the Department of Signal Theory & Communications at University of Vigo. From 2001 to 2006 he was an Associate Researcher at the same department, supported by a postdoctoral contract from the Ramón y Cajal Program of the Spanish Ministry of Science. During 1995 he was with Intelsis Sistemas Inteligentes SA in Santiago de Compostela, Spain, where he was involved in the deployment of analog TV networks. He has co-authored over 60 papers in leading international journals and more than 100 contributions published in various conference proceedings. He has been principal investigator of a number of research projects and contracts with industry, and holds several international patents.
Roberto is a senior member of the IEEE. He was an elected member of the Signal Processing for Communication and Networking (SPCOM) Technical Committee of the IEEE Signal Processing Society during 2011-2013. He served as Manager of the ICT Program for R&D of the Galician regional government during 2010-2013, and as Associate Editor of the IEEE Transactions on Signal Processing during 2007-2011. Since 2018 he serves as Subject Editor for Elsevier's Signal Processing journal.
- Vahid Vahidpour (in progress). Topic: Sidelobe reduction for delay-Doppler and multiantenna communication systems.
- Andrea Guamo (in progress). Topic: Full-duplex techniques for mmWave communications.
- Khawar Hussain: Spectrum shaping techniques for advanced multicarrier communication systems, July 2023.
- Damián González Figueroa: Synthesis of multiaxis stationary non-Gaussian shaped vibration, October 2020. Currently at CTAG.
- Emilio Antonio Rodríguez: Self-interference mitigation in Full-Duplex relays: Blind adaptive techniques and optimal linear filter design (co-supervised with Risto Wichman and Stefan Werner), March 2018. Currently at Nokia, Finland.
- Daniel Romero González: Estimation, detection, and learning for dynamic spectrum access, May 2015. Currently at University of Agder (Norway).
- Gonzalo Vázquez Vilar: Interference and network management in cognitive communication systems (co-supervised with Carlos Mosquera), June 2011. Currently at Universidad Carlos III de Madrid.
- Marcos Álvarez Díaz: Design of nonlinear precoding and estimation schemes for advanced communication systems (co-supervised with Carlos Mosquera), July 2010. Currently at Gradiant.
GPSC was a participant in the Consolider-Ingenio 2010 project Foundations and Methodologies for Future Communication and Sensor Networks – COMONSENS, which lives on through the Network of Excellence “Red COMONSENS”.
Roberto’s research interests cover multiple areas of application of signal processing, including sensor networks, adaptive filtering, digital communications, spectrum sensing, etc.
- Office Hours: please contact me via email to arrange an appointment
- A link to the online book Comunicaciones Digitales (in Spanish)
- R. Lopez-Valcarce’s Google Scholar web page, ResearcherID web page, ResearchGate and Mathematics Genealogy
- Looking for Masters’ and Ph.D. students (must have a solid background in Signal Processing and Communications). Men and Women are all welcome.
- Ph.D. Telecommunication Engineering, 2001, Universidade de Vigo
- Ph.D. Electrical & Computer Engineering, 2000, University of Iowa
- M.Sc. Electrical & Computer Engineering, 1998, University of Iowa
- B.E. Telecommunication Engineering, 1995, Universidade de Vigo
- 2005 Best Paper Award of the IEEE Signal Processing Society (Signal Processing for Communications and Networking), for the article titled “Realizable Linear and Decision Feedback Equalizers: Properties and Connections,” published in IEEE Trans. on Signal Processing, vol. 52 no. 3, pp. 757-773, March 2004
- 2007 Young Researcher Award from the Galician Regional Government
University of Iowa, Dept. of Electrical & Computer Engineering, 1996-2000. Sponsored by Fundación Pedro Barrié de la Maza.
Publications
2026
| Title | Authors | Venue | Download |
|---|---|---|---|
| Multibeam analog beamformer design for monostatic ISAC under Self-Interference - 2026 | Jordi Borràs-Pino, Roberto López-Valcarce | ICASSP 2026 - 2026 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Spectral Precoding Integration in OTFS Modulation - 2025 | Vahid Vahidpour, Roberto López-Valcarce | IEEE Wireless Communications and Networking Conference | |
| Full-Duplex Techniques for Satellite Communications: Feasibility Analysis and Roadmap - 2025 | Eva Lagunas, Tomás Ramírez-Parracho, Juan Vasquez-Peralvo, Jorge Gonzalez-Rios, Pablo Losada, Carlos Mosquera, Roberto López-Valcarce, Praveen Vummadisetty, Symeon Chatzinotas | IEEE Open Journal of the Communications Society | |
| Robust Energy-Efficient Analog Beamforming under Short Packets and Per-Antenna Power Constraints - 2025 | Jordi Borràs-Pino, Francesc Molina, Roberto López-Valcarce, Josep Sala, Gregori Vazquez | IEEE Trans. Wireless Communications |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Sidelobe Suppression for Multicarrier Signals via Structured Spectral Precoding - 2024 | Khawar Hussain, Roberto López-Valcarce, Francesc Rey, Josep Sala, Javier Villares | IEEE Trans. Communications | |
| Radio Maps for Beam Alignment in mmWave Communications with Location Uncertainty - 2024 | Ngoc-Ha Tien, Daniel Romero, Roberto López-Valcarce | IEEE 99th Vehicular Technology Conference: VTC2024-Spring. Workshop "Radio Map for 6G Communications" | |
| Full-duplex mmWave communication with partially-connected hybrid beamforming - 2024 | Andrea Guamo-Morocho, Roberto López-Valcarce | IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC) |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Frequency-selective hybrid beamforming for mmWave full-duplex - 2023 | Andrea Guamo-Morocho, Roberto López-Valcarce | IEEE Int. Conf. Acoustics, Speech and Signal Processing (ICASSP) | |
| Overview of Use Cases in Single Channel Full Duplex Techniques for Satellite Communication - 2023 | Victor Baeza, Carlos Mosquera, Roberto López-Valcarce, JL Gonzalez-Rios, JA Vasquez-Peralvo, Tomás Ramírez-Parracho, P Losada, JC Merlano, S Chatzinotas, Steven Kisseleff | 40th International Communications Satellite Systems Conference (ICSSC) | No file |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Hybrid Beamforming Designs for Frequency-Selective mmWave MIMO Systems with Per-RF chain or Per-antenna Power Constraints - 2022 | Roberto López-Valcarce, Nuria González-Prelcic | IEEE Trans. Wireless Communications | |
| Full-duplex mmWave MIMO with finite-resolution phase shifters - 2022 | Roberto López-Valcarce, M. Martinez-Cotelo | IEEE Trans. Wireless Communications | |
| Orthogonal precoding with memory for sidelobe suppression in OFDM - 2022 | Khawar Hussain, Roberto López-Valcarce | European Signal Processing Conference (EUSIPCO) | |
| General Form of the Power Spectral Density of Multicarrier Signals - 2022 | Roberto López-Valcarce | IEEE Communications Letters | |
| Joint Precoder and Window Design for OFDM Sidelobe Suppression - 2022 | Khawar Hussain, Roberto López-Valcarce | IEEE Communications Letters |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Mask-Compliant Orthogonal Precoding for Spectrally Efficient OFDM - 2021 | Ravinder Kumar, Khawar Hussain, Roberto López-Valcarce | IEEE Transactions on Communications | |
| Analog beamforming for full-duplex mmWave communication with low-resolution phase shifters - 2021 | Roberto López-Valcarce, M. Martinez-Cotelo | IEEE International Conference on Communications (ICC) | |
| Memory Tricks: Improving Active Interference Cancellation for Out-of-Band power reduction in OFDM - 2021 | Khawar Hussain, Roberto López-Valcarce | IEEE Int. Workshop Signal Process. Adv. Wireless Commun. (SPAWC) |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Optimal window design for W-OFDM - 2020 | Khawar Hussain, Roberto López-Valcarce | IEEE Int. Conf. Acoustics, Speech and Signal Processing (ICASSP) | |
| Two-Level Frame Precoding with non-Cooperative Gateways - 2020 | Tomás Ramírez-Parracho, Carlos Mosquera, Roberto López-Valcarce | EURASIP Journal on Wireless Communications and Networking | |
| Full-Duplex mmWave Communication with Hybrid Precoding and Combining - 2020 | Roberto López-Valcarce, M. Martinez-Cotelo | European Signal Processing Conference (EUSIPCO) | |
| Energy-efficient analog beamforming with short packets in millimeter-wave MIMO systems - 2020 | Jordi Borràs-Pino, Francesc Molina, Roberto López-Valcarce, Josep Sala | 2020 54th Asilomar Conference on Signals, Systems, and Computers, California, 2020 | |
| Robustness analysis of beamforming based designs for mmWave Full-Duplex Amplify-and-Forward relays - 2020 | Roberto López-Valcarce, M. Martinez-Cotelo | 2020 14th International Conference on Signal Processing and Communication Systems (ICSPCS) |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Wideband Spectrum Sensing in Cognitive Radio: Joint Estimation of Noise Variance and Multiple Signal Levels - 2009 | Roberto López-Valcarce, Gonzalo Vázquez-Vilar | IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC) | No file |
| Multiantenna detection of multicarrier primary signals exploiting spectral a priori information - 2009 | Roberto López-Valcarce, Gonzalo Vázquez-Vilar, Marcos Álvarez-Díaz | International Conference on Cognitive Radio Oriented Wireless Networks and Communications (Crowncom) | No file |
| Cramer-Rao Lower Bound and EM Algorithm for Envelope-Based SNR Estimation of Nonconstant Modulus Constellations - 2009 | Wilfried Gappmair, Roberto López-Valcarce, Carlos Mosquera | IEEE Transactions on Communications | No file |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Comunicaciones Digitales - 2007 | Antonio Artes-Rodriguez, Fernando Pérez-González, Jesus Cid-Sueiro, Roberto López-Valcarce, Carlos Mosquera, Fernando Perez-Cruz | Book | No file |
| Iterative Envelope-Based SNR Estimation for Non-Constant Modulus Constellations - 2007 | Roberto López-Valcarce, Carlos Mosquera, Wilfried Gappmair | IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC) | No file |
| Sixth-Order Statistics-Based Non-Data-Aided SNR Estimation - 2007 | Roberto López-Valcarce, Carlos Mosquera | IEEE Communications Letters |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Symbol-Rate Estimation for DVB-S2 Broadcasting - 2006 | Carlos Mosquera, Sandro Scalise, Roberto López-Valcarce | International Workshop on Signal Processing for Space Communications (SPSC) | No file |
| Toward a theory of multirate nonlinear systems - 2006 | Roberto López-Valcarce, Soura Dasgupta | IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC) | No file |
| Second-order blind algorithms for adaptive recursive linear equalizers: Analysis and lattice implementation - 2006 | Roberto López-Valcarce | International Journal of Adaptive Control and Signal Processing | No file |
| Blind carrier phase estimation for non-equiprobable constellations - 2006 | Roberto López-Valcarce, Carlos Mosquera | IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC) | No file |
| Analysis of non-data-aided magnitude gain estimators - 2006 | Roberto López-Valcarce | International Symposium on Image/Video Communications (ISIVC) | No file |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Analysis of a first-order adaptive recursive predictor - 2005 | Roberto López-Valcarce | IEEE Conference on Decision and Control / European Control Conference (CDC/ECC) | |
| Realizable minimum mean-squared error channel shorteners - 2005 | Roberto López-Valcarce | IEEE Transactions on Signal Processing | |
| Diamond contour-based phase recovery for (cross-)QAM constellations - 2005 | Marcos Álvarez-Díaz, Roberto López-Valcarce | IEEE Workshop on Statistical Signal Processing (SSP) |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Subband hyperstable adaptive IIR filters - 2003 | Roberto López-Valcarce, Fernando Pérez-González | IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing | No file |
| Second order statistical properties of nonlinearly distorted PSK signals - 2003 | Roberto López-Valcarce, Soura Dasgupta | IEEE Communications Letters | |
| An algorithm for unit-norm equation-error system identification based on the method of multipliers - 2003 | Roberto López-Valcarce | IEEE Transactions on Signal Processing | No file |
| Blind iterative decision feedback equalizers for block QAM transmission systems - 2003 | Roberto López-Valcarce | Baiona Workshop on Signal Processing in Communications | |
| On the applicability to correlated sources of a blind channel equalization method robust to order overestimation - 2003 | Roberto López-Valcarce | IFAC Symposium on System Identification |
| Title | Authors | Venue | Download |
|---|---|---|---|
| Road vehicle speed estimation from a two-microphone array - 2002 | Fernando Pérez-González, Roberto López-Valcarce, Carlos Mosquera | IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) | No file |
| Analysis of the prewhitened constant modulus cost function - 2002 | Roberto López-Valcarce, Fernando Pérez-González | IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) | No file |
| Channel equalization with staggered modulation formats - 2002 | Roberto López-Valcarce | IEEE International Conference on Digital Signal Processing (DSP) | No file |
| Automatic delay selection in blind channel equalization: a prewhitening + eigenvector approach - 2002 | Roberto López-Valcarce, Fernando Pérez-González | Asilomar Conference on Signals, Systems and Computers | No file |
| Title | Authors | Venue | Download |
|---|---|---|---|
| An adaptive recursive filter for autoregressive inputs - 1998 | Roberto López-Valcarce, Fernando Pérez-González | International Journal of Adaptive Control and Signal Processing | No file |
| On the stability of equation-error estimates of all-pole systems - 1998 | Roberto López-Valcarce, Soura Dasgupta | IEEE Signal Processing Letters | No file |
| On the bias of the modified output error algorithm - 1998 | Carlos Mosquera, Roberto López-Valcarce, Fernando Pérez-González | IEEE Transactions on Automatic Control | No file |
| Stability conditions for the time-varying linear predictor - 1998 | Roberto López-Valcarce, Soura Dasgupta, Minyue Fu, Roberto Tempo | IEEE Conference on Decision and Control (CDC) | No file |
| Title | Authors | Venue | Download |
|---|---|---|---|
| New results and theoretical analysis of the Master-Slave family of recursive identification algorithms - 1997 | Roberto López-Valcarce, Fernando Pérez-González | Signal Processing | No file |
| Stable estimates in equation error identification - 1997 | Roberto López-Valcarce, Soura Dasgupta | IEEE Conference on Decision and Control (CDC) | No file |
| Title | Authors | Venue | Download |
|---|---|---|---|
| The Master-Slave family of system identification algorithms: theoretical results and new structures - 1996 | Roberto López-Valcarce, Fernando Pérez-González | IFAC World Congress | No file |
