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December 14, 2023 -

Paper presented at CAMSAP 2023

The paper "Maximization of Minimum Rate in MIMO OFDM RIS-assisted Broadcast Channels", co-authored by Mohammad Soleymani, Ignacio Santamaria, Aydin Sezgin, and Eduard Jorswieck, has been presented at CAMSAP, Los Sueños, Costa Rica, Dec. 10-13, 2023.

December 11, 2023 -

Paper presented at GLOBECOM 2023

The paper "NOMA-based Improper Signaling for MIMO STAR-RIS-assisted Broadcast Channels with Hardware Impairments", co-authored by M. Soleymani, I. Santamaria, and E. Jorswieck, has been presented at GLOBECOM 2023, Kuala Lumpur, Malaysia, 4-8 Dec. 2023.

November 17, 2023 -

Paper presented at ASILOMAR 2023

The paper "Identifiability in Multi-Channel Factor Analysis", co-authored by G. Stanton, D. Ramirez, I. Santamaria, L. L. Scharf, and H. Wang has been presented at the 2023 Asilomar conference on Signals, Systems and Computers, held in Pacific Grove, CA, USA, Oct 29th. Nov 1st., 2023.

October 27, 2023 -

Paper published in IEEE Transactions on Wireless Communications

The paper "Optimization of Rate-Splitting Multiple Access in Beyond Diagonal RIS-assisted URLLC Systems" co-authored by M. Soleymani, I. Santamaria, E. Jorswieck and B. Clerckx, has been published in IEEE Transactions on Wireless Communications and is already available under the "Early Access" area on IEEE Xplore.

September 25, 2023 -

MADDIE project

The GTAS group participates in the project MADDIE ("Enabling communication, coding and processing technologies for next-generation classical-quantum networks"), PID2022-137099NBC43), funded by The Ministerio de Ciencia e Innovación (Gobierno de España) and AEI (Agencia Española de Investigación), MCIN/ AEI/10.13039/501100011033.

MADDIE is a three-year (Sept. 2023- Aug. 2026) research project that integrates researchers from 4 different Spanish universities: Universidad Politecnica de Cataluña, Universidade A Coruña, Universidad de Cantabria and Universidad de Navarra.

September 6, 2023 -

Paper published in Information and Inference: A Journal of the IMA

The paper "Statistical characterization of the chordal product determinant of Grassmannian codes" co-authored by Javier Alvarez-Vizoso, Carlos Beltran, Diego Cuevas, Ignacio Santamaría, Vít Tuček, Gunnar Peters has been published in Information and Inference: A Journal of the IMA, vol. 12, issue 3, Sept 2023. doi: https://doi.org/10.1093/imaiai/iaad035

July 28, 2023 -

Paper published in IEEE Signal Processing Letters

The paper "SNR Maximization in Beyond Diagonal RIS-assisted Single and Multiple Antenna Links", co-authored by Ignacio Santamaria, Mohammad Soleymani, Eduard Jorswieck, and Jesus Gutierrez has been published in IEEE Signal Processing Letters.

July 6, 2023 -

Paper accepted at IEEE Transactions on Wireless Communications

The paper "Constellations on the Sphere with Efficient Encoding-Decoding for Noncoherent Communications", co-authored by Diego Cuevas, Javier Alvarez-Vizoso, Carlos Beltran, Ignacio Santamaria, Vit Tucek, and Gunnar Peters has been accepted at IEEE Transactions on Wireless Communications.

May 30, 2023 -

Paper accepted at EUSIPCO 2023

The paper "Method of Moments Estimation for Energy Spectrum Sensing" will be presented at the European Signal Processing Conference (EUSIPCO) that will be held in Helsinki, Finland, 4-8 Sept. 2023. The paper is authored by Jesús Pérez and Jesús Ibáñez.

April 18, 2023 -

Paper published in IEEE Transactions on Signal Processing

The paper "NOMA-based Improper Signaling for Multicell MISO RIS-assisted Broadcast Channels,", co-authored by Mohammad Soleymani, Ignacio Santamaria, Eduard Jorswieck, and Sepehr Rezvani has been published in IEEE Transactions on Signal Processing and is available on IEEE Xplore, DOI:10.1109/TSP.2023.3259145.

March 29, 2023 -

Three papers accepted at ICASSP 2023

Three papers co-authored by GTAS members have been accepted at the IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP) that will be held in Rhodes, Greece, June 4-10.

March 21, 2023 -

Paper published in IEEE Transactions on Information Theory

The paper "Constrained Riemannian Noncoherent Constellations for the MIMO Multiple Access Channel", co-authored by Javier Alvarez-Vizoso, Diego Cuevas, Carlos Beltran, Ignacio Santamaria, Vit Tucek, and Gunnar Peters has been published in IEEE Transactions on Information Theory, DOI:10.1109/TIT.2023.3249903.

March 8, 2023 -

Paper published in IEEE Transactions on Communications

The paper "Union Bound Minimization Approach for Designing Grassmannian Constellations," co-authored by Diego Cuevas, Javier Alvarez-Vizoso, Carlos Beltran, Ignacio Santamaria, Vit Tucek, and Gunnar Peters has been published in IEEE Transactions on Communications, DOI:10.1109/TCOMM.2023.3244965

February 5, 2023 -

Paper to be presented at WSA 2023

The paper "Rate region of MIMO RIS-assisted broadcast channels with rate splitting and improper signaling" will be presented at the International ITG 26th Workshop on Smart Antennas (WSA 2023) that will be held in Braunschweig, Germany, 27 Feb-3 March 2023. The paper is authored by Mohammad Soleymani, Ignacio Santamaria, and Eduard Jorswieck.

January 2, 2023 -

Book published

The book Coherence in Signal Processing and Machine Learning, co-authored by D. Ramirez, I. Santamaría, and L. Scharf, has been published by Springer, 2022.

You can access the book at
https://link.springer.com/book/10.1007/978-3-031-13331-2

November 17, 2022 -

Paper published in IEEE Transactions on Vehicular Technology

The paper "Rate Splitting in MIMO RIS-assisted Systems with Hardware Impairments and Improper Signaling," by M. Soleymani, I. Santamaria, and E. Jorswieck, has been published in IEEE Transactions on Vehicular Technology, DOI:10.1109/TVT.2022.3222633

September 8, 2022 -

Paper accepted at GLOBECOM 2022

The paper "A Measure Preserving Mapping for Structured Grassmannian Constellations in SIMO Channels" will be presented at the IEEE Global Communication Conference (GLOBECOM) that will be held in Rio de Janeiro, Brazil, 4-8 Dec. 2022. The paper is authored by Diego Cuevas, J. Alvarez-Vizoso, Carlos Beltran, Ignacio Santamaria, Vit Tucek and Gunnar Peters.

June 23, 2022 -

Paper to be presented at EUSIPCO 2022

The paper "Coherence-based subspace packings for MIMO noncoherent communications" will be presented at the 30th European Signal Processing Conference (EUSIPCO 2022) that will be held in Belgrade, Serbia, 29 Aug-2 Sep 2022. The paper is authored by J. Alvarez-Vizoso, Diego Cuevas, Carlos Beltran, Ignacio Santamaria, Vit Tucek and Gunnar Peters.

May 9, 2022 -

Paper published in Signal Processing

The paper "Passive sampling in reproducing kernel Hilbert spaces" co-authored by P. Giménez-Febrer, A. Pagès-Zamora, and I. Santamaria has been published in Signal Processing.

January 5, 2022 -

Paper accepted in IEEE Transactions on Green Communications and Networking

The paper "Improper Signaling for Multicell MIMO RIS-assisted Broadcast Channels with I/Q Imbalance", co-authored by M. Soleymani, I. Santamaria, and P. J. Schreier, has been accepted in the IEEE Transactions on Green Communications and Networking.

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