Maxime Guillaud – Research Homepage

About me

I am a senior researcher (“directeur de recherche”) at Inria in the MARACAS team in Lyon, France. I previously held positions in Huawei Technologies, Vienna University of Technology, FTW Telecommunications Research Center Vienna, EURECOM (where I received my PhD in 2005), and Bell Labs.

Google Scholar: Google Scholar logo Maxime Guillaud ORCID ID: ORCID iD icon 0000-0002-4105-4537

Contact Information

e-mail: maxime.guillaud@inria.fr or maxime.m.guillaud@ieee.org

office address: CITI Laboratory, 6 avenue des Arts, F-69621 Villeurbanne – France

!! Open Positions !!

I am looking for motivated collaborators (PhD students and post-doctoral researchers) to work on

uncoordinated multi-user wireless communications (required skills: statistical signal processing, information theory, estimation theory, Riemannian geometry, digital communications)
wireless channel charting (required skills: machine learning and digital communications)

Funding is available for these positions from several national and EU-funded projects. Please contact me with a detailed CV and grade transcripts (for prospective PhD students) or publication list (for post-docs) for more details.

News

I have been appointed as a Distinguished Lecturer for the term 2023-2024 by the IEEE Communications Society. Please get in touch if you would like to organize a lecture or a DL tour!
The article Learning from Low Rank Tensor Data: A Random Tensor Theory Perspective co-authored with Mohamed El Amine Seddik, Malik Tiomoko, Alexis Decurninge and Maxim Panov received the Best Paper Runner-Up award at the Uncertainty in Artificial Intelligence (UAI) 2023 conference!
I am co-organizing the 6G Wireless Foundations Forum on July 10-11, 2023. Join us in Sophia Antipolis, France to hear about recent research and emerging paradigms in 6G!
The overview article about wireless channel charting, co-authored with P. Ferrand, C. Studer and O. Tirkkonen has appeared in the June 2023 issue of IEEE Communications Magazine
Publication of a magazine article in the April 2023 issue of IEEE Wireless Communications about the use use (self-supervised) statistical radio maps to enable ultra-reliable wireless communications, with co-authors T. Kallehauge, A.E. Kalør, P. Ramírez-Espinosa and P. Popovski
The Python implementation of tensor-based modulation introduced in our 2021 article is available from Github at https://github.com/maximeguillaud/tensor-based-modulation
As of January 2023, I have joined INRIA, the French National Institute for Research in Digital Science and Technology.
I organized the Workshop on Tensor Theory and Methods in Paris on November 23-24, 2022.
Recent results on using random matrix theory to deal with random tensors (co-authored with Mohamed El Amine Seddik and Romain Couillet) submitted to the Annals of Applied Probability. We tackled the spike model for non-symmetric tensors in the asymptotically large dimension regime.
The tutorial on Wireless Channel Charting co-hosted with Prof. Christoph Studer, appears in Globecom 2020, in VTC Spring 2021, SPAWC 2021 and in WCNC 2022. This exciting new technique lies at the crossroads of machine learning and wireless communications.
My former PhD student Khac-Hoang NGO was awarded the 2021 Signal, Image & Vision PhD Thesis Prize by EEA, GRETSI and GdR-ISIS for his outstanding thesis work on non-coherent wireless communications, co-supervised with Prof. Sheng Yang (CentraleSupelec).
Khac-Hoang NGO also received the 2021 "Impact Science" 2nd prize from Fondation CentraleSupelec for his PhD thesis.
Some new results on a new tensor-based modulation for massive random access (co-authored with A. Decurninge and I. Land) have been published in the IEEE Wireless Communications Letters (November 2020).
Our results on performance characterization of covariance-aided channel estimation (co-authored with A. Decurninge and L. G. Ordóñez) have been published in the IEEE Transactions on Information Theory (July 2020).
Our work on multi-user decoding of non-coherent modulations (co-authored with K.-H. Ngo, A. Decurninge, S. Yang, S. Sarkar and P. Schniter) appears in the Asilomar 2019 conference.
Congratulations to my PhD student Khac-Hoang Ngo who has been invited to the 7th Heidelberg Laureate Forum. He shared some thoughts about his PhD research in an interview with Spektrum.de.
Since June 2019, I am an associate editor for the IEEE Transactions on Wireless Communications
Patent on a structured codebook for unit-norm vector quantization (with A. Decurninge as co-inventor) has been granted by the USPTO.

Research Interests

Design of physical layer algorithms for wireless communication networks, in particular:

Efficient channel state acquisition, representation and feedback in MIMO and Massive MIMO systems
Data-driven approaches and machine learning applied to the physical layer of wireless communications
Design of non-coherent modulations and unsourced random access
Channel reciprocity modeling and calibration

My research involves tools from signal processing, information theory, random matrix theory, differential geometry, stochastic geometry, Bayesian and entropy-based inference, message-passing and graph signal processing techniques.

Upcoming and Recent Talks, Courses and Seminars

2024-02-09, IEEE ComSoc Distinguished Lecture at the University of Stuttgart, Institute of Telecommunications on Towards Practical Massive Random Access

2024-02-08, IEEE ComSoc Distinguished Lecture at the Technical University of Munich, School of Computation, Information and Technology on Wireless Channel Charting for Next-Generation Radio Access Networks

2023-12-11, Presentation of the article On the Accuracy of Hotelling-Type Asymmetric Tensor Deflation: A Random Tensor Analysis co-authored with M. El Amine Seddik, A. Decurninge and J.H. de Morais Goulart at the IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)

2023-09-06, Invited talk on the degrees of freedom of multi-linear spreading in random access scenarios at the International Symposium on Topics in Coding (ISTC) in Brest, France

2023-09-01, Attending the GRETSI conference in Grenoble for the presentation of our work on Hotelling Deflation on Large Symmetric Spiked Tensors (preprint)

2023-07-04, Talk on Multilinear Spreading for Massive Random Access at the IEEE Communications Theory Workshop (CTW)

2023-05-24, Talk on Towards Practical Massive Random Access at the London Symposium on Information Theory

2023-03-10, Participating in the online "2+1" event organized by the IEEE Communication Theory Technical Committee where I will discuss the design of practical random access schemes.

2023-03-08, Talking on the topic of massive random acces at the Workshop on Performance Guarantees in Wireless Networks at LINCS in Palaiseau.

2022-11-23, Presentation on Tensor-Based Modulation for Massive Random Access in the Workshop on Tensor Theory and Methods, Paris, France.

2022-06-07, Invited talk on random access in 6G in the 6G Research and Innovation Cluster Workshop of EuCNC and 6G Summit, Grenoble, France.

2022-04-10, Presentation of the tutorial on Wireless Channel Charting (with Christoph Studer) in IEEE WCNC 2022.

2021-12-06, Invited talk on Wireless Channel Charting at CITI Lab, Lyon, France.

2021-11-24, Invited talk on Waveforms for random access in fading channels at the GdR ISIS workshop on Short Packet Transmission for Wireless Communications, Paris, France.

2021-09-30, Live presentation of the tutorial on Wireless Channel Charting (with Christoph Studer) in IEEE SPAWC 2021.

2021-04-25, Presentation of the tutorial on Wireless Channel Charting (with Christoph Studer) in IEEE VTC Spring 2021.

2020-12-11, Presentation of the tutorial on Wireless Channel Charting (with Christoph Studer) in IEEE GLOBECOM 2020.

2020-12-09, Presentation of the article Triplet-Based Wireless Channel Charting in the GLOBECOM 2020 conference.

2020-12-09, Invited course on The Physical Layer of 5G (and beyond) Cellular Systems at the National Institute of Applied Sciences (INSA) Lyon, France.

2020-10-27, Invited course in the Advanced Topics in Wireless series at EURECOM, France.

2020-06-18, Presentation on Tensor-Based Modulation for Unsourced Massive Random Access in the ISIS workshop on ultra-reliability, low latency and massive connectivity, France.

2020-05-20, Invited course on Dimensionality Reduction Techniques for Wireless Communications series at CentraleSupelec, France.

2019-12-03, Invited course in the Advanced Topics in Wireless series at EURECOM, France.

2019-11-22, Invited course on The Physical Layer in 5G and Beyond Cellular Networks at CentraleSupelec, France.

2019-10-14, Invited course on The Physical Layer in 5G and Beyond Cellular Networks at National Institute of Applied Sciences (INSA) Lyon, France.

2018-11-30, Invited course on The Physical Layer in 5G Systems at CentraleSupelec, France.

2018-11-28, Invited course on The Physical Layer in 5G Systems at the National Institute of Applied Sciences (INSA) Lyon, France.

2018-08-31, Presentation of the paper CSI-based Outdoor Localization for Massive MIMO: Experiments with a Learning Approach co-authored with Alexis Decurninge, Luis García Ordóñez, Paul Ferrand, He Gaoning, Li Bojie and Zhang Wei at the International Synposium on Wireless Communications System (ISWCS), Lisbon, Portugal.

2018-07-05, Tutorial Engineering wireless full-duplex nodes and networks at the Seminar on PHY techniques, waveform design and spectral efficiency enhancement in wireless networks organized by the SPOTLIGHT European Training Network, Sophia-Antipolis, France.

2017-11-28, Invited course on The Physical Layer in 5G Systems at the University of Padova, Italy.

2017-10-31, Presentation of the paper Design and Analysis of a Practical Codebook for Non-Coherent Communications co-authored with Khac-Hoang Ngo, Alexis Decurninge, and Sheng Yang at the Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA.

2017-06-05, Seminar on Codebook design for Grassmannian sources and applications to Massive MIMO at Beijing University of Post and Telecommunications, Beijing, PRC.

2017-05-21, Tutorial Engineering wireless full-duplex nodes and networks with Melissa Duarte and Mikko Valkama at the International Conference on Communications, Paris, France.

Current service

Member of the steering committee of the CNRS GdR ISIS, the national network of excellence on Information, Signal, Image and ViSion
Associate Editor for the IEEE Transactions on Wireless Communications
Member of the Next Generation Multiple Access Emerging Technology Initiative of the IEEE Communications Society
Member of the IEEE Communications Society Industry Outreach Board
Member of the EURASIP Signal Processing for Communications and Networking (SPCN) Technical Area Committee

Publications

Note concerning IEEE publications:This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. (see IEEE copyright policies)

On the Accuracy of Hotelling-Type Asymmetric Tensor Deflation: A Random Tensor Analysis
M. El Amine Seddik, M. Guillaud, A. Decurninge, J. Henrique de Morais Goulart
Proc. IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), Los Sueños, Costa Rica, Dec. 2023
(download)

Channel Charting for Streaming CSI Data
S. Taner, M. Guillaud, O. Tirkkonen, C. Studer
Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Oct. 29-Nov. 1, 2023.
(preprint)

Hotelling Deflation on Large Symmetric Spiked Tensors
M. El Amine Seddik, J. Henrique de Morais Goulart, M. Guillaud, A. Decurninge
Proc. Colloque Francophone de Traitement du Signal et des Images (GRETSI), Grenoble, France, Aug. 2023.
(preprint)

Learning from Low Rank Tensor Data: A Random Tensor Theory Perspective
M. El Amine Seddik, M. Tiomoko, A. Decurninge, M. Panov, M. Guillaud
Proc. Conference on Uncertainty in Artificial Intelligence (UAI), Pittsburgh, PA, USA, Jul. 2023.
(download)

Wireless Channel Charting: Theory, Practice, and Applications
P. Ferrand, M. Guillaud, C. Studer, O. Tirkkonen
IEEE Communications Magazine, Vol. 61, No. 6, Jun. 2023.
(download)

Delivering Ultra-Reliable Low-Latency Communications via Statistical Radio Maps
T. Kallehauge, A.E. Kalør, P. Ramírez-Espinosa, M. Guillaud, P. Popovski
IEEE Wireless Communications, Vol. 30, No. 2, Apr. 2023.
(download)

When Random Tensors meet Random Matrices
M. El Amine Seddik, M. Guillaud, R. Couillet
Annals of Applied Probability, vol. 34, no. 1A, Feb. 2024.
(download)

Massive Random Access with Tensor-based Modulation in the Presence of Timing Offsets
A. Decurninge, P. Ferrand and M. Guillaud
IEEE Global Telecommunications Conference (GLOBECOM), Rio de Janeiro, Brazil, Dec. 2022, pp. 1061-1066.
(download)

Joint Constellation Design for Noncoherent MIMO Multiple-Access Channels
K.-H. Ngo, S. Yang, M. Guillaud, A. Decurninge
IEEE Transactions on Information Theory, Vol. 68, No. 11, Nov. 2022.
(download)

How to Identify and Authenticate Users in Massive Unsourced Random Access
R. Kotaba; A. E. Kalør; P. Popovski; I. Leyva-Mayorga; B. Soret; M. Guillaud; L. G. Ordóñez
IEEE Communications Letters, Vol. 25, No. 12, Dec. 2021.
(download)

Tensor Decomposition Bounds for TBM-Based Massive Access
A. Decurninge; I. Land; M. Guillaud
IEEE International Workshop on Signal Processing Advances for Wireless Communications (SPAWC), Sept. 27-30, 2021.
(download)

Triplet-Based Wireless Channel Charting: Architecture and Experiments
P. Ferrand, A. Decurninge, L. G. Ordóñez, M. Guillaud
IEEE Journal on Selected Areas in Communications, Vol. 39, No. 8, Aug. 2021.
(download)

On Full-Duplex Radios With Modulo-ADCs
L. G. Ordóñez, P. Ferrand, M. Duarte, M. Guillaud, G. Yang
IEEE Open Journal of the Communication Society, Vol. 2, Jun. 2021.
(download)

Tensor-Based Modulation for Unsourced Massive Random Access
A. Decurninge, I. Land, M. Guillaud
IEEE Wireless Communications Letters, Vol. 10, No. 3, March 2021.
(download)

The Optimal DoF for the Noncoherent MIMO Channel with Generic Block Fading
K.-H. Ngo, S. Yang, M. Guillaud
IEEE Information Theory Workshop (ITW) 2020, (online), Apr. 2021.
(download)

Noncoherent MIMO Multiple-Access Channels: A Joint Constellation Design
K.-H. Ngo, S. Yang, M. Guillaud, A. Decurninge
IEEE Information Theory Workshop (ITW) 2020, (online), Apr. 2021.
(download)

Convergent Communication, Sensing and Localization in 6G Systems: An Overview of Technologies, Opportunities and Challenges
C. De Lima, D. Belot, R. Berkvens, A. Bourdoux, D. Dardari, M. Guillaud, M. Isomursu, E.-S. Lohan, Y. Miao, A. Noll Barreto, M. R. Kahar Aziz, J. Saloranta, T. Sanguanpuak, H. Sarieddeen, G. Seco-Granados, J. Suutala, T. Svensson, M. Valkama, B. Van Liempd, H. Wymeersch
IEEE Access, Vol. 9, Jan. 2021
(download)

Covariance-Aided CSI Acquisition with Non-Orthogonal Pilots in Massive MIMO Systems
A. Decurninge, L. G. Ordóñez, M. Guillaud
IEEE Transactions on Information Theory, Vol. 66, No. 7, July 2020.
(download)

A Tensor-Based Approach to Massive Random Access
A. Decurninge, I. Land, M. Guillaud
Asilomar Conference on Signals, Systems and Computers (online), Nov. 2020.
(download)

DNN-based Localization from Channel Estimates: Feature Design and Experimental Results
P. Ferrand, A. Decurninge, M. Guillaud
IEEE Global Telecommunications Conference (GLOBECOM) 2020.
(download)

Triplet-Based Wireless Channel Charting
P. Ferrand, A. Decurninge, L. G. Ordóñez, M. Guillaud
IEEE Global Telecommunications Conference (GLOBECOM), 2020.
(download)

6G White Paper on Localization and Sensing
Andre Bourdoux, A. Noll Barreto, B. van Liempd, C. de Lima, D. Dardari, D. Belot, E.-S. Lohan, G. Seco-Granados, H. Sarieddeen, H. Wymeersch, J. Suutala, J. Saloranta, M. Guillaud, M. Isomursu, M. Valkama, M. Reza Kahar Aziz, R. Berkvens, T. Sanguanpuak, T. Svensson, Y. Miao
University of Oulu, 2020.
(download)

Multi-User Detection Based on Expectation Propagation for the Non-Coherent SIMO Multiple Access Channel
K.-H. Ngo, M. Guillaud, A. Decurninge, S. Yang, P. Schniter
IEEE Transactions on Wireless Communications, Vol. 19, No. 9, September 2020.
(download)

Cube-Split: A Structured Grassmannian Constellation for Non-Coherent SIMO Communications
K.-H. Ngo, A. Decurninge, M. Guillaud, S. Yang
IEEE Transactions on Wireless Communications, Vol. 19, No. 3, March 2020.
(download)

Joint Constellation Design for the Two-User Non-Coherent Multiple-Access Channel
K.-H. Ngo, S. Yang, M. Guillaud, A. Decurninge
Submitted to the IEEE International Symposium on Information Theory (ISIT), 2020 (rejected).
(preprint)

Performance of Covariance-Aided CSI Acquisition with Non-Orthogonal Pilots in Massive MIMO
A. Decurninge, L. G. Ordóñez, M. Guillaud
IEEE Global Telecommunications Conference (GLOBECOM), Hawaii, USA, Dec. 9-13, 2019.
(download)

Non-Coherent Multi-User Detection Based on Expectation Propagation
K.-H. Ngo, M. Guillaud, A. Decurninge, S. Yang, S. Sarkar, P. Schniter
Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Nov. 3-6, 2019.
(download)

A Multiple-Access Scheme for Non-Coherent SIMO Communications
K.-H. Ngo, A. Decurninge, M. Guillaud, S. Yang
Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Oct. 28-31, 2018.
(download)

A Framework for Over-the-air Reciprocity Calibration for TDD Massive MIMO Systems
X. Jiang, A. Decurninge, K. Gopala, F. Kaltenberger, M. Guillaud, D. Slock, L. Deneire
IEEE Transactions on Wireless Communications, vol. 17, issue 9, Sept 2018.
(download)

The Optimal DoF Region for the Two-User Non-Coherent SIMO Multiple-Access Channel
K.-H. Ngo, S. Yang, M. Guillaud
IEEE Information Theory Workshop (ITW), Guangzhou, Nov. 2018.
(download)

CSI-based Outdoor Localization for Massive MIMO: Experiments with a Learning Approach
A. Decurninge, L. G. Ordóñez, P. Ferrand, He Gaoning, Li Bojie, Zhang Wei, M. Guillaud
International Synposium on Wireless Communications System (ISWCS), Lisbon, Portugal, Aug. 2018.
(download)

An Achievable DoF Region for the Two-User Non-Coherent MIMO Broadcast Channel with Statistical CSI
K.-H. Ngo, S. Yang, M. Guillaud
IEEE Information Theory Workshop, Kaohsiung, Taiwan, Nov. 6-10, 2017.
(download)

Design and Analysis of a Practical Codebook for Non-Coherent Communications
K.-H. Ngo, A. Decurninge, M. Guillaud, S. Yang
Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Oct. 29-Nov. 1, 2017.
(download)

Covariance Estimation with Projected Data: Applications to CSI Covariance Acquisition and Tracking
A. Decurninge, M. Guillaud
European Signal Processing Conference (EUSIPCO), Kos, Greece, Aug. 28-Sep. 2, 2017.
(download)

Cube-Split: Structured Quantizers on the Grassmannian of Lines
A. Decurninge, M. Guillaud
IEEE Wireless Communications and Networking Conference (WCNC), San Francisco, CA, USA, Mar. 20-22, 2017.
(download)

Efficient Channel State Information Acquisition in Massive MIMO Systems using Non-Orthogonal Pilots
P. Ferrand, A. Decurninge, M. Guillaud, L. G. Ordóñez
International ITG Workshop on Smart Antennas (WSA), Berlin, Germany, Mar. 15-17, 2017.
(download)

SNOPS: Short Non-Orthogonal Pilot Sequences for Downlink Channel State Estimation in FDD Massive MIMO
B. Tomasi, A. Decurninge, M. Guillaud
IEEE Global Telecommunications Conference (GLOBECOM), Washington, DC, USA, Dec. 4-8, 2016.
(download)

Integer Forcing Analog-to-Digital Conversion for Massive MIMO Systems
L. G. Ordóñez, I. Estella Aguerri, M. Guillaud
Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November 6-9, 2016.
(download)

Riemannian Coding for Covariance Interpolation in Massive MIMO Frequency Division Duplex Systems
A. Decurninge, M. Guillaud, D. Slock
Sensor Array and Multichannel Signal Processing Workshop (SAM), Rio de Janeiro, Brazil, July 10-13, 2016.
(download)

Trends and Challenges in Wireless Channel Modeling for an Evolving Radio Access
P. Ferrand, M. Amara, S. Valentin, M. Guillaud
IEEE Communications Magazine, Vol. 54, No. 7, July 2016.
(doi:10.1109/MCOM.2016.7509384, download)

A Unified Scheme to Achieve the Degrees-of-Freedom Region of the MIMO Interference Channel with Delayed Channel State Information
M. Rezaee, P. Schreier, M. Guillaud, B. Clerckx
IEEE Transactions on Communications, Vol. 64, No. 3, March 2016.
doi:10.1109/TCOMM.2016.2521369

Interference Alignment With Quantized Grassmannian Feedback in the K-User Constant MIMO Interference Channel
M. Rezaee, M. Guillaud
IEEE Transactions on Wireless Communications, Vol. 15, No. 2, Feb. 2016.
doi:10.1109/TWC.2015.2490223

Channel Covariance Estimation in Massive MIMO Frequency Division Duplex Systems
A. Decurninge, M. Guillaud, D. Slock
IEEE Global Telecommunications Conference (GLOBECOM), San Diego, CA, USA, Dec. 6-10, 2015.
(arXiv link)

A Simple DoF-Achievable Scheme for the Gaussian Interference Channel with Delayed CSIT
M. Rezaee, P.J. Schreier, M. Guillaud, B. Clerckx
IEEE Global Telecommunications Conference (GLOBECOM), San Diego, CA, USA, Dec. 6-10, 2015.
doi:10.1109/GLOCOM.2014.7417735

Pilot Length Optimization for Spatially Correlated Multi-User MIMO Channel Estimation
B. Tomasi, M. Guillaud
Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November 8-11, 2015.
(arXiv link)

CSIT Sharing for Spatial Interference Alignment using Limited Capacity Backhaul
M. Rezaee, M. Guillaud
IEEE Transactions on Wireless Communications, Dec. 2015.
doi:10.1109/TWC.2015.2461153

Adaptive Modulation and Coding for Interference Alignment With Imperfect CSIT
M. Taki, M. Rezaee, M. Guillaud
IEEE Transactions on Wireless Communications, vol.13, no.9, pp.5264,5273, Sept. 2014
doi:10.1109/TWC.2014.2342732

Interference Alignment via Message-Passing
M. Guillaud, M. Rezaee, G. Matz
IEEE International Conference on Communications (ICC), Sydney, Australia, June 10-14, 2014.
(download)

Interference Alignment Using Variational Mean Field Annealing
M.-A. Badiu, M. Guillaud, B.H. Fleury
Workshop on Physics-Inspired Paradigms in Wireless Communications and Networks (PhysComNet), Hammamet, Tunisia, May 16, 2014.
doi:10.1109/WIOPT.2014.6850351

Measuring the Impact of Outdated Channel State Information in Interference Alignment Techniques
G. Artner, M. Mayer, M. Guillaud, M. Rupp
Sensor Array and Multichannel Signal Processing Workshop (SAM), 2014.
(download)

Measurement and Modelling of Interference Alignment Impairments
M. Mayer, M. Guillaud, G. Artner, M. Rupp
Sensor Array and Multichannel Signal Processing Workshop (SAM), 2014.
(download)

Link Adaptation for Interference Alignment with Imperfect CSIT
M. Rezaee, M. Taki, M. Guillaud
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Florence, Italy, May 4-9, 2014.
doi:10.1109/ICASSP.2014.6854789

Precoder Optimization with Local and Shared CSI on the K-user MIMO Interference Channel
M. Rezaee, M. Guillaud
International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), London, UK, September 8-11, 2013.
(download)

Measurement Based Evaluation of Interference Alignment on the Vienna MIMO Testbed
M. Mayer, G. Artner, G. Hannak, M. Lerch, M. Guillaud
International Symposium on Wireless Communication Systems (ISWCS), Ilmenau, Germany, August 27–30, 2013.
(download)

CSIT Sharing over Finite Capacity Backhaul for Spatial Interference Alignment
M. Rezaee, M. Guillaud, F. Lindqvist
IEEE International Symposium on Information Theory (ISIT), Istanbul, Turkey, July 7-12, 2013.
(download)

Degrees of Freedom of Certain Interference Alignment Schemes with Distributed CSIT
P. de Kerret, M. Guillaud, D. Gesbert
IEEE International Workshop on Signal Processing Advances for Wireless Communications (SPAWC), Darmstadt, Germany, June 16-19, 2013.
(download)

Towards Practical Channel Reciprocity Exploitation: Relative Calibration in the Presence of Frequency Offset
M. Guillaud, F. Kaltenberger
IEEE Wireless Communications and Networking Conference (WCNC), Shanghai, China, Apr. 7-10, 2013.
(download)

Limited Feedback for Interference Alignment in the K-user MIMO Interference Channel
M. Rezaee, M. Guillaud
Information Theory Workshop (ITW), Lausanne, Switzerland, Sep. 3-7, 2012.
(download, see also this related arXiv posting)

Interference Channel Sum Rate Optimization on the Grassmann Manifold
M. Rezaee, M. Guillaud
International Symposium on Wireless Communication Systems (ISWCS), Paris, France, Aug. 28-31, 2012.
(download)

Sum-Rate Optimization for the MIMO IC under Imperfect CSI: a Deterministic Equivalent Approach
M. Rezaee, R. Couillet, M. Guillaud, G. Matz
IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Çeşme, Turkey, June 17-20, 2012.
(download)

Interference Alignment over Partially Connected Interference Networks: Application to the Cellular Case
M. Westreicher, M. Guillaud
IEEE Wireless Communications and Networking Conference (WCNC), Paris, France, Apr. 1-4, 2012.
(download)

Interference Alignment in Partially Connected Interfering Multiple-Access and Broadcast Channels
M. Guillaud, D. Gesbert
IEEE Global Telecommunications Conference (GLOBECOM), Houston, TX, USA, Dec. 5-9, 2011.
(download)

Interference Alignment In The Partially Connected K-User MIMO Interference Channel
M. Guillaud, D. Gesbert
European Signal Processing Conference (EUSIPCO), Barcelona, Spain (invited); Aug. 29-Sep. 2, 2011.
(download)

Performance of Statistical Inference Methods for the Energy Estimation of Multiple Sources
R. Couillet, M. Guillaud
IEEE Workshop on Statistical Signal Processing, Nice, France (invited); June 28-30, 2011.
(download)

Interference Alignment In Clustered Ad Hoc Networks: High Reliability Regime And Per-Cluster Aloha
R. Tresch, G. Alfano, M. Guillaud
IEEE International Conference on Acoustics, Speech, and Signal Processing, Prague, Czech Republic; May 22-27, 2011.
(download)

Large System Analysis of Interference Alignment in Clustered Wireless Ad Hoc Networks
R. Tresch, G. Alfano, M. Guillaud
NEWCOM++ / COST 2100 Workshop on Wireless Communications, Paris, France; March 1-2, 2011.
(download)

Spatial diversity impact on the local delay of homogeneous and clustered wireless networks
G. Alfano, R. Tresch, M. Guillaud
International ITG Workshop on Smart Antennas 2011 (WSA 2011), Aachen, Germany; Feb. 24-25, 2011.
(download)

Receive Diversity and Ergodic Performance of Interference Alignment on the MIMO Gaussian Interference Channel
Maxime Guillaud
Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, Sept. 29–Oct. 1, 2010.
(download)

Performance of Interference Alignment in Clustered Wireless Ad Hoc Networks
Roland Tresch, Maxime Guillaud
Appeared at the IEEE International Symposium on Information Theory (ISIT), Austin, Texas, June 13-18, 2010.
(download)

Relative Channel Reciprocity Calibration in MIMO/TDD Systems
Florian Kaltenberger, Haiyong Jiang, Maxime Guillaud, Raymond Knopp
Appeared at the Future Network & Mobile Summit, Florence, Italy, June 16-18, 2010.
(download)

Soft Channel Information for Wireless Communications
Maxime Guillaud, Merouane Debbah
Appeared in the International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL), Bratislava, Slovak Republic, November 24-27, 2009.
(download)

A Clustered Alignment-Based Interference Management Approach for Large OFDMA Cellular Networks
Roland Tresch, Maxime Guillaud and Erwin Riegler
Appeared in the joint NEWCOM++/COST2100 workshop on Radio Resource Allocation for LTE, Vienna, Austria, September 30, 2009.
(download)

Clustered Interference Alignment in Large Cellular Networks
Roland Tresch and Maxime Guillaud
Appeared in the IEEE International Symposium On Personal, Indoor and Mobile Radio Communications (PIMRC), Tokyo, Japan, September 13-16, 2009.
(download)

On the Achievability of Interference Alignment in the K-User Constant MIMO Interference Channel
Roland Tresch, Maxime Guillaud and Erwin Riegler
Appeared in the IEEE Workshop on Statistical Signal Processing, Cardiff, U.K., Augut 31-September 3, 2009.
(download on arXiv.org)

Cellular Interference Alignment with Imperfect Channel Knowledge
Roland Tresch and Maxime Guillaud
Appeared in the IEEE International Conference on Communications (ICC), Workshop on LTE Evolution, Dresden, Germany, June 14-18, 2009.
(download)

High and Low-SNR Regimes for Stochastic Networks
Giuseppa Alfano, Antonia Tulino, Maxime Guillaud
Appeared at the International Symposium on Information Theory and its Applications (ISITA), Auckland, New Zealand, December 7-10, 2008.
(download)

Dual-Polarized Wireless Communications: From Propagation Models to System Performance Evaluation
Claude Oestges, Bruno Clerckx, Maxime Guillaud, Mérouane Debbah
IEEE Transactions on Wireless Communications, Vol. 7, Issue 10, October 2008.
doi:10.1109/T-WC.2008.070540

LMMSE Channel Estimation for MIMO W-CDMA with Out-of-Cell Interference Mitigation
Roland Tresch, Christian Mehlführer, Maxime Guillaud
Appeared at the Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, October 26-29, 2008.
(download)

Scaling Laws for Large Ad-hoc Wireless Networks with Wishart-Poisson Fading
Giuseppa Alfano, Maxime Guillaud, Antonia Tulino
Appeared at the International Symposium on Spread Spectrum Techniques and Applications (ISSSTA), Bologna, Italy, August 25-28, 2008.
(download)

The Role of Euclidean Random Matrices in Performance Analysis of Communications and Sensor Networks
Giuseppa Alfano, Maxime Guillaud, Antonia Tulino
Poster appeared at the Stochastic Networks Conference (SNC), Paris, France, June 23-28, 2008.
(download poster)

SINR Estimation in Random Beamforming with Noisy MIMO Channel Measurements
Roland Tresch, Maxime Guillaud
Appeared at the IEEE International Conference on Communications (ICC), Beijing, China, May 19-23, 2008.
doi:10.1109/ICC.2008.795 (download)

A Characterization of Maximum Entropy Spatially Correlated Wireless Channel Models
Maxime Guillaud, Mérouane Debbah, Aris L. Moustakas
Appeared at the IEEE Information Theory Workshop (ITW), Porto, Portugal, May 5-9, 2008.
doi:10.1109/ITW.2008.4578621 (download)

Modeling the Multiple-Antenna Wireless Channel Using Maximum Entropy Methods
Maxime Guillaud, Mérouane Debbah, Aris L. Moustakas
Appeared at the 27th International Workshop on Bayesian Inference and Maximum Entropy Methods in Science and Engineering (MaxEnt 2007), Saratoga Springs, NY, USA, July 8-13, 2007.
(download)

Maximum Entropy MIMO Wireless Channel Models
Maxime Guillaud, Mérouane Debbah, Aris L. Moustakas
Submitted to IEEE Transactions on Information Theory.
(download)

A Maximum Entropy Characterization of Spatially Correlated MIMO Wireless Channels
Maxime Guillaud, Mérouane Debbah, Aris L. Moustakas
Appeared at the IEEE Wireless Communications and Networking Conference (WCNC), Hong-Kong, China, March 11-15, 2007.
(download)

Multi-Polarized MIMO Communications: Channel Model, Mutual Information and Array Optimization
Claude Oestges, Maxime Guillaud, Mérouane Debbah
Appeared at the IEEE Wireless Communications and Networking Conference (WCNC), Hong-Kong, China, March 11-15, 2007.
(download)

Design Issues for MIMO Systems in Various Fading Situations
Maxime Guillaud, Mérouane Debbah, Claude Oestges, Bernard H. Fleury
Appeared at the International Wireless Communications and Mobile Computing (IWCMC) 2006 Conference, Vancouver, Canada, July 3-6, 2006.
(download)

Maximum Entropy MIMO Wireless Channel Models with Limited Information
Maxime Guillaud, Mérouane Debbah
Appeared at the MATHMOD Conference on Mathematical Modeling, Vienna, Austria, February 8-10, 2006.
(download)

A MIMO-OFDM Testbed for Wireless Local Area Networks
Albert Guillén i Fàbregas, Maxime Guillaud, Giuseppe Caire, Karine Gosse, Stéphanie Rouquette, Alexandre Ribeiro Dias, Philippe Bernardin, Xavier Miet, Jean-Marc Conrat, Yann Toutain, Alain Peden, Zaiqing Li
Appeared at the 39th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, October 30-November 2, 2005.
(download)

Transmission and Channel Modeling Techniques for Multiple-Antenna Communication Systems
Maxime Guillaud
Ph.D. thesis, defended on July 8, 2005 in Sophia-Antipolis, France.
(download)

A Practical Method for Wireless Channel Reciprocity Exploitation Through Relative Calibration
Maxime Guillaud, Dirk T.M. Slock, Raymond Knopp
Appeared at the eighth International Symposium on Signal Processing and its Applications (ISSPA '05), Sydney, Australia, August 28-31, 2005.
(download)

Pathwise MIMO Channel Modeling and Estimation
Maxime Guillaud, Dirk T.M. Slock
Appeared at the Sixth IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC '05), New-York, NY, USA, June 5-8, 2005.
This paper received a SPAWC student paper award.
doi:10.1109/SPAWC.2005.1506227 (download)

A MIMO-OFDM Testbed for Wireless Local Area Networks
Albert Guillén i Fàbregas, Maxime Guillaud, Dirk T.M. Slock, Giuseppe Caire, Karine Gosse, Stéphanie Rouquette, Alexandre Ribeiro Dias, Philippe Bernardin, Xavier Miet, Jean-Marc Conrat, Yann Toutain, Alain Peden, Zaiqing Li
EURASIP Journal on Applied Signal Processing, special issue on implementation aspects and testbeds for MIMO systems, 2006.
doi:10.1155/ASP/2006/18083

MIMO Frequency-Selective Channel Modeling based on Pathwise Dynamics
M. Guillaud, D. T.M. Slock
Appeared at the 38th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November 7-10, 2004.
doi:10.1109/ACSSC.2004.1399325 (download)

A Specular Approach to MIMO Frequency-Selective Channel Tracking and Prediction
M. Guillaud, D. T.M. Slock
Appeared at the 2004 IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC '04), Lisbon, Portugal, July 11-14, 2004.
doi:10.1109/SPAWC.2004.1439203 (download)

Influence du compromis entre exploitation de la diversité et gain de codage dans les systèmes OFDM multi-entrées multi-sorties
M. Guillaud, D. T.M. Slock
Appeared at the 19th GRETSI Symposium on Signal and Image Processing (GRETSI '03), Paris, France, September 8-11, 2003.
(download)

Channel Modeling and Associated Inter-Carrier Interference Equalization for OFDM Systems with High Doppler Spread
M. Guillaud, D. T.M. Slock
Published in the proceedings of the 28th International Conference on Acoustics, Speech, and Signal Processing (ICASSP '2003).
Appeared at the IEEE International Workshop on Neural Networks for Signal Processing (NNSP '2003), Toulouse, France, September 17-19, 2003.
(download)

Multi-Stream Coding for MIMO OFDM Systems with Space-Time-Frequency Spreading
M. Guillaud, D. T.M. Slock
Appeared at the 5th International Symposium on Wireless Personal Multimedia Communications (WPMC '2002), Honolulu, HI, USA, October 2002.
doi:10.1109/WPMC.2002.1088144 (download)

Full-Rate Full-Diversity Space-Frequency Coding for MIMO OFDM Systems
M. Guillaud, D. T.M. Slock
Appeared at the 3rd IEEE Benelux Signal Processing Symposium, Leuven, Belgium, March 21-22, 2002.
(download)

Rapid Prototyping Design of a 4 x 4 BLAST-over-UMTS System
Maxime Guillaud, Suman Das, Andreas Burg, Markus Rupp, Eric Beck
Appeared at the 35th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November 4-7, 2001.
doi:10.1109/ACSSC.2001.987692

On MIMO Decoding Algorithms for UMTS
Markus Rupp, Suman Das, Maxime Guillaud
Appeared at the 35th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November 4-7, 2001.
doi:10.1109/ACSSC.2001.987640

A Rapid Prototyping Methodology for Algorithm Development in Wireless Communications
Andreas Burg, Bruno Haller, Eric Beck, Maxime Guillaud, Markus Rupp, Laurence Mailaender
Appeared at the Design, Automation and Test in Europe Conference (DATE '01), Munich, Germany, March 13-16, 2001.

From Basic Concept to Real-Time Implementation: Prototyping WCDMA Downlink Receiver Algorithms - A Case Study
Maxime Guillaud, Andreas Burg, Laurence Mailaender, Bruno Haller, Markus Rupp, and Eric Beck
Presented at the 34th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Oct. 29-Nov. 1, 2000.
doi:10.1109/ACSSC.2000.910922

Patents

Transmitting device, receiving device, and methods for random-access communication
Alexis Decurninge, Maxime Guillaud
Applied Mar. 2020.
(full text)

Transmitter and receiver communication apparatus for non-coherent communication
Khac Hoang Ngo, Alexis Decurninge, Maxime Guillaud, Sheng Yang
Applied Oct. 2018.
(full text)

Full-duplex transceiver and method for operating the same
Luis Garcia Ordonez, Melissa Duarte, Paul Ferrand, Maxime Guillaud, Ganghua Yang
Applied Dec. 2020.
(full text)

Analog-to-digital converter device
Luis Garcia Ordonez, Maxime Guillaud, Ganghua Yang
Applied Mar. 2020.
(full text)

Determination of hardware impairment parameters for downlink channel state information estimation
Alexis Decurninge, Maxime Guillaud, Xiwen Jiang, Florian Kaltenberger
Applied Mar. 2017.
(full text)

Unit-norm codebook design and quantization
Alexis Decurninge, Maxime Guillaud
Applied Aug. 2016.
(full text)

Devices and methods for csi-assisted beamforming using a learning network entity
Maxime Guillaud, Gaoning He, Luis Garcia Ordonez, Paul Ferrand, Alexis Decurninge, Jean-Claude Belfiore, Ganghua Yang
Applied Aug. 2018.
(full text)

Apparatus and method for improving communication between a plurality of transmitters and a multi-antenna digital receiver using low-accuracy analog-to-digital converters
Luis G. Ordonez, Inaki Aguerri Estella, Maxime Guillaud
Applied July 2016.
(full text)

An apparatus and a method for managing full-duplex communication between a base station and a plurality of user equipments
Luis G. Ordonez, Melissa Duarte Gelvez, Merouane Debbah, Maxime Guillaud
Applied Jan. 2016.
(full text)

A base station and a method of operating a base station
Maxime Guillaud, Alexis Decurninge, Dirk Slock
Applied June 2015.
(full text)

Interference alignment based precoding method for reducing bandwidth of the backhaul network
Fredrik Lindqvist, Maxime Guillaud, Mohsen Rezaeekheirabadi
Applied Feb. 2013.
(full text)

Process for estimating the channel state in a transmitter of a digital communication system and apparatus for doing the same
Dirk Slock, Maxime Guillaud, Raymond Knopp
Applied March 2005.
(full text)