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Enabling ultra-reliability, low latency and massive connectivity

Nous vous rappelons que, afin de garantir l'accès de tous les inscrits aux salles de réunion, l'inscription aux réunions est gratuite mais obligatoire.

Inscriptions closes à cette réunion.


43 personnes membres du GdR ISIS, et 48 personnes non membres du GdR, sont inscrits à cette réunion.
Capacité de la salle : 90 personnes.

Réunion d'animation en visio-conférence

La réunion aura lieu en visioconférence. Cependant pour des raisons techniques liées au nombre de connexions simultanées, l'inscription aux réunions est gratuite, mais obligatoire.

Les identifiants de connexion sont communiquées par mail aux inscrits la veille ou le matin de la réunion.


COVID19 update: The Workshop on "Enabling ultra-reliability, low latency and massive connectivity" will go virtual . Due to this development, only a small number of talks will be given. Furthermore, the number of attendees cannot exceed 90, following a first-registered-first-served principle (the link to the event will be shared the day before).

Registration open until June 17th 2020 (max 90 attendees)

Register here: http://www.gdr-isis.fr/index.php?page=inscription-a-une-reunion&idreunion=411

Duration: 2h50min, Platform: link will be sent to registered people.

Day schedule:

- 9:00-9:45 am: Keynote, Petar Popovski (Dep. Electronic Systems, Aalborg University, Denmark), A Prospect in Wireless Research: Embracing Heterogeneous Connectivity

- 9:45-10:10 am, Majid Butt (Nokia Bell Labs France), NR Light: The missing link in 5G NR Landscape

- 10:10-10:35 am, Alexis Decurninge, Ingmar Land and Maxime Guillaud (Huwaei France),
Tensor-Based Modulation for Unsourced Massive Random Access

- 10:35-11:00 am, Arsenia Chorti (ETIS UMR8051), Security in B5G low latency scenarios

- 11:00-11:25 am, Mohammad Assaad (CentraleSupélec) Age of Information (AoI) in communication networks

- 11:25-11:50 am, Leila Musavian (CSEE, University of Essex, UK), Challenges for Low Latency Communications for Beyond 5G: How to Analyse the Performance

Organizing committee: Arsenia Chorti (ETIS UMR 8051), Inbar Fijalkow (ETIS UMR 8051), Mylene Pischella (CEDRIC EA 4629)


9:00-9:45am, Keynote: Petar Popovski, "A Prospect in Wireless Research: Embracing Heterogeneous Connectivity"

9:45-10:10am, Majid Butt, "NR Light: The missing link in 5G NR Landscape"

10:10-10:35am, Maxime Guillaud, "Tensor-Based Modulation for Unsourced Massive Random Access"

10:35-11:00am, Arsenia (Ersi) Chorti, "Security in B5G low latency scenarios"

11:00-11:25am, Mohammad Assaad, "Age of information (AoI) in communication networks"

11:25 am-11:50am, Leila Musavian, "Challenges for Low Latency Communications for Beyond 5G: How to Analyse the performance"

Résumés des contributions

9:00-9:45am, Keynote: Petar Popovski, "A Prospect in Wireless Research: Embracing Heterogeneous Connectivity"

Abstract: The wireless landscape evolves towards supporting a large population of connections for humans and machines with very diverse features and requirements. An important step in embracing heterogeneous connectivity has been the definition of the three cornerstone services in 5G: enhanced mobile broadband (eMBB), massive machine-type communications (mMTC), and ultra-reliable low-latency communications (URLLC). However, this classification is rather limited and is currently undergoing a revision within the research community. Service heterogeneity can be accommodated by network slicing, through which each service is allocated resources to provide performance guarantees and isolation from the other services. Nevertheless, slicing gets a completely new dimension in the context of the shared, interfering nature of the wireless medium. For example, what is the tradeoff when two links are sharing the wireless medium, where one link requires low latency and the second link requires a high rate? This talk will address this type of questions and shed light on the research challenges and opportunities in addressing those questions. Overall, supporting assorted connectivity types in a shared wireless spectrum is an important prospect for connectivity beyond 5G.

Bio: Petar Popovski is a Professor Aalborg University, where he heads the section on Connectivity. He received his Dipl.-Ing and M. Sc. degrees in communication engineering from the University of Sts. Cyril and Methodius in Skopje and the Ph.D. degree from Aalborg University in 2005. He has over 300 publications in journals, conference proceedings, and edited books. He holds over 30 patents and patent applications. He is a Fellow of the IEEE. He received an ERC Consolidator Grant (2015), the Danish Elite Researcher award (2016), IEEE Fred W. Ellersick prize (2016), IEEE Stephen O. Rice prize (2018) and Technical Achievement Award from the IEEE Technical Committee on Smart Grid Communications (2019). He is featured in the list of Highly Cited Researchers 2018, compiled by Web of Science. He is currently an Area Editor of the IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS. He was General Chair for IEEE SmartGridComm 2018 and General Chair for IEEE Communication Theory Workshop 2019. His research interests are in the area of wireless communication and communication theory.

9:45-10:10am, Majid Butt, "NR Light: The missing link in 5G NR Landscape"

Abstract: (Ultra-reliable low-latency communications) URLLC and massive machine-type communications (mMTC) applications have emerged as key differentiator for 5G communication as compared to previous generations of mobile communication where focus was broadband communication. URLLC focuses on high reliability and low latency application use cases, while mMTC focuses on machine type communication with stringent requirements on energy saving and limited communication ability. However, there are application use cases whose requirements lie in between these use cases and 3GPP Release 16 (and beyond) studies such use cases under the umbrella of NR light, recently renamed as reduced capability UEs. This talk will motivate for the need for NR light in 3GPP and introduce recent communication techniques under investigation to meet the requirements of these use cases.

Bio: M. Majid Butt is a Senior Specialist 5G+ Research at Nokia Bell Labs, Paris-Saclay, France, and an adjunct Research Assistant Professor at Trinity College Dublin, Dublin, Ireland. Prior to that, he has held various positions at the University of Glasgow, U.K., Trinity College Dublin, Ireland, Fraunhofer HHI, Germany, and the University of Luxembourg. His current research interests include communication techniques for wireless networks with a focus on radio resource allocation, scheduling algorithms, energy efficiency, and machine learning for RAN. He has authored more than 70 peer-reviewed conference and journal publications in these areas. He gives tutorial talks on various topics in IEEE conferences including, ICC, Globecom, PIMRC, VTC, etc. Dr. Butt was a recipient of the Marie Curie Alain Bensoussan Post-Doctoral Fellowship from the European Research Consortium for Informatics and Mathematics. He has been an Associate Editor for the IEEE Access and the IEEE Communication Magazine since 2016.

10:10-10:35am, Maxime Guillaud, "Tensor-Based Modulation for Unsourced Massive Random Access"

Abstract: We introduce a modulation for unsourced massive random access whereby the transmitted symbols are rank-1 tensors constructed from Grassmannian sub-constellations. The tensors structure allows to multiplex the users in a nonlinear way and enables the use of tensor decomposition in order to separate the users at the receiver, allowing a convenient uncoupling between multi-user separation and single-user decoding. The proposed signaling scheme generalizes gracefully to fading channels and multiple-antenna settings, and is shown to perform well in comparison to state-of-the-art unsourced approaches.

Bio: Maxime Guillaud is a principal researcher in Huawei Technologies' Mathematical and Algorithmic Sciences Laboratory in Paris, France, where he is head of the Signal and Information Processing team. I previously held positions at Vienna University of Technology, FTW Telecommunications Research Center Vienna, EURECOM (PhD in 2005), and Bell Labs.

10:35-11:00am, Arsenia (Ersi) Chorti, "Security in B5G low latency scenarios"

Abstract: With the emergence of URLLC and mMTC, corresponding low complexity and low latency security mechanisms are needed. Promising lightweight mechanisms include physical unclonable functions (PUF), secret key generation (SKG) at the physical layer and localization based authentication, as considered in this talk. We will demonstrate how physical layer security (PLS) allows building a new breed of low latency security schemes, such as zero-round-trip-time (0-RTT) resumption authentication protocols combining PUF and SKG processes. Furthermore, hybrid PLS and crypto schemes, such as authenticated encryption (AE) using SKG, will be introduced. We will conclude this talk with a discussion on future directions in 6G security.

Bio: Dr. Arsenia Chorti is an Associate Professor (MCF) at ETIS UMR8051 since Sept. 2017 and Head of the ICI team of ETIS. She obtained her PhD from Imperial College; from 2010 to 2012 she was a Research Fellow at Princeton University where she is currently a visiting researcher. She served as Senior Lecturer and Lecturer at the Universities of Middlessex and Essex in 2008-2009 and 2013-2017, respectively. Her research interests include PLS and wireless communications and has published more than 70 journals, book chapters and conference papers in these topics. She a member of the IEEE Teaching Awards Committee, a member of the IEEE P1940 Standardization Workgroup and an Associate Editor of the IEEE Open Journal in Signal Processing.

11:00-11:25am, Mohammad Assaad, "Age of information (AoI) in communication networks"

Abstract: Age of Information (AoI) is a novel metric that quantifies the freshness of information, which is of particular importance in real-time applications. AoI was mainly motivated by a variety of new applications requiring fresh information at a monitor to accomplish specific tasks, and it is currently gaining interests in several areas such as networked monitoring, robotic networks, Internet of Things, vehicular control, etc. AoI can be considered as a fundamental performance metric in communication networks, and recent results have shown that some well-known design principles (e.g. sampling, scheduling, access, etc.) need to be re-examined in order to improve the information freshness in the network. In this talk, we will provide an overview of some recent results in the area of AoI in communication networks, with a main focus on multiuser scheduling and access control techniques, and identify some open problems.

Bio: Mohamad Assaad received the MSc and PhD degrees, both in telecommunications, from Telecom ParisTech, Paris, France, in 2002 and 2006, respectively. Since 2006, he has been with the Telecommunications Department at CentraleSupélec, where he is currently a professor and holds the 5G Chair. He has co-authored 1 book and more than 100 publications in journals and conference proceedings and serves regularly as TPC member or TPC co-chair for top-tier international conferences. He is an Editor for the IEEE Wireless Communications Letters and the Journal of Communications and Information Networks. He has given in the past successful tutorials on 5G systems at various conferences, including at IEEE ISWCS'15 and IEEE WCNC'16 conferences. His research interests include mathematical modeling of communication networks, Age of Information in communications networks, MIMO systems, resource optimization and Machine Learning in wireless networks.

11:25 am-11:50am, Leila Musavian, "Challenges for Low Latency Communications for Beyond 5G: How to Analyse the performance"

Abstract: We witness a surge of low latency or ultra-low latency applications for 5G (beyond 5G) communications systems. Also, most of the time, there exists other constraints in the system, either in terms of the available resources (e.g., limited available energy in low battery devices) or QoS requirements (e.g., Throughput, reliability, etc.). Enabling low latency communications has been an important research topic in communications society. One of the challenges in this is how to analyse the performance of such system. In this talk, we discuss some of the challenges and present useful mathematical frameworks for analysing performance of LLC systems.

Bio: Dr Leila Musavian received her PhD degree in Telecommunications from Kings College London, UK. She is currently working as Deputy Pro-Vice-Chancellor for Research at the University of Essex and as a Reader in Telecommunications at the School of Computer Science and Electronic Engineering, University of Essex. Prior to that, she was a Lecturer at InfoLab21, Lancaster University (2012-2016). She was a Research Associate at McGill University (2011-2012), a research associate at Loughborough University, UK (2009-2010) and a post-doctoral fellow at INRS-EMT, Canada (2006-2008). She has worked as the Deputy Director of Research of the School of Computer Science and Electronic Engineering, University of Essex (2017-2019). Her research interests lie in Radio Resource Management for Low latency communications, 5G/B5G, next-generation wireless networks, radio resource allocations, Energy Harvesting, Green Communication and cross-layer design for delay QoS provisioning. She is an editor of IEEE TRANSACTIONS OF WIRELESS COMMUNICATIONS and Associate Editor of Wiley?s Internet Technology Letters. She has been Executive Editor of Wiley's Transactions on Emerging Telecommunications Technologies between 2016-2019. She is currently the Workshop Co-Chair of VTC-Spring-2020 and the Wireless Communications Symposium Co-Chair for IEEE ICC 2021, Montreal, Canada.

Date : 2020-06-18

Lieu : Visio (link to be sent by email the day before, max 90 attendees, registration mandatory)

Thèmes scientifiques :
D - Télécommunications : compression, protection, transmission

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(c) GdR 720 ISIS - CNRS - 2011-2020.