Nicolas Cassiau

ORCID: 0000-0002-7885-7704
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About
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Research Areas
  • Wireless Communication Networks Research
  • PAPR reduction in OFDM
  • Advanced Wireless Communication Techniques
  • Satellite Communication Systems
  • Radio Frequency Integrated Circuit Design
  • Microwave Engineering and Waveguides
  • Advanced MIMO Systems Optimization
  • Telecommunications and Broadcasting Technologies
  • Millimeter-Wave Propagation and Modeling
  • Advanced Wireless Communication Technologies
  • Photonic and Optical Devices
  • Antenna Design and Analysis
  • Cooperative Communication and Network Coding
  • Advancements in PLL and VCO Technologies
  • Semiconductor Lasers and Optical Devices
  • Advanced Photonic Communication Systems
  • Optical Network Technologies
  • Optical Wireless Communication Technologies
  • Interconnection Networks and Systems
  • VLSI and Analog Circuit Testing
  • Embedded Systems Design Techniques
  • Antenna Design and Optimization
  • 3D IC and TSV technologies
  • Advanced Research in Systems and Signal Processing
  • Advanced Data Compression Techniques

Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2014-2024

CEA LETI
2014-2024

Université Grenoble Alpes
2011-2024

Columbia University
2021-2023

University of Wuppertal
2023

Chungnam National University
2023

Institute for Matching Person and Technology
2023

Apple (United States)
2023

Institute of Microelectronics
2022

Auburn University
2022

This article provides some fundamental indications about wireless communications beyond LTE/LTE-A (5G), representing the key findings of European research project 5GNOW. We start with identifying drivers for making transition to 5G networks. Just name one, advent Internet Things and its integration conventional human-initiated transmissions creates a need system redesign. Then we make clear that strict paradigm synchronism orthogonality as applied in LTE prevents efficiency scalability....

10.1109/mcom.2014.6736749 article EN IEEE Communications Magazine 2014-02-01

With its ability to provide a single platform enabling variety of services, such as enhanced mobile broadband communications, virtual reality, automated driving, and the Internet Things, 5G represents breakthrough in design communication networks. Nevertheless, considering increasing requests for new services predicting development technologies within decade, it is already possible envision need move beyond architecture incorporating innovative satisfy needs at both individual societal levels.

10.1109/mvt.2019.2921162 article EN IEEE Vehicular Technology Magazine 2019-08-08

Relaxed synchronization and access to fragmented spectrum are considered for future generations of wireless networks. Frequency division multiple filter bank multicarrier (FBMC) modulation provides promising performance without strict requirements contrary conventional orthogonal frequency multiplexing (OFDM). The architecture a FBMC receiver suitable this scenario is considered. Carrier offset (CFO) compensation combined with intercarrier interference (ICI) cancellation performs well under...

10.1186/1687-6180-2014-41 article EN cc-by EURASIP Journal on Advances in Signal Processing 2014-03-28

6G will exploit satellite, aerial and terrestrial platforms jointly to improve radio access capability unlock the support of on-demand edge cloud services in three dimensional space (3D) by incorporating Mobile Edge Computing (MEC) functionalities on low orbit satellites. This extend MEC devices network elements sky forge a borne enabling intelligent personalized distributed demand services. 3D end users experience impression being surrounded computer fulfilling their requests apparently...

10.4218/etrij.2020-0205 article EN publisher-specific-oa ETRI Journal 2020-10-01

This paper reports intermediate transceiver and frame structure concepts corresponding results from the European FP7 research project 5GNOW. The core is unified concept which supports an integrated 5G air interface, capable of dealing both with broadband data services small packet within same band. It essential for this to introduce waveforms are more robust than OFDM, e.g., respect time-frequency misalignment. Encouraging candidate waveform technologies presented discussed respective...

10.1109/glocomw.2014.7063492 article EN 2022 IEEE Globecom Workshops (GC Wkshps) 2014-12-01

This paper provides an overview of recent research activities the 5G AgiLe and fLexible integration SaTellite And cellulaR (5G-ALLSTAR) project which aims to develop Multi-Connectivity technology that integrates cellular satellite networks provide seamless, reliable ubiquitous broadband services. 5G-ALLSTAR also entails developing millimeter-wave (mmWave) New Radio (NR)-based access system investigating feasibility NR-based for providing In addition, spectrum sharing between is studied. With...

10.1109/wcncw48565.2020.9124751 article EN 2020-04-01

In this letter, an ultra-broadband D-band wireless front-end transmitter (TX) in 45-nm CMOS SOI is proposed. Based on channel bonding and 64-QAM modulation, it achieves 84.8-Gb/s data rate by combining 8 × 2.16 GHz baseband channels. The eight channels are aggregated at intermediate frequency (IF) two sets of four then upconverted to adjacent sub-bands D-band. required millimeter-wave local oscillators (LOs) generated on-chip. IF band 57.96 66.66 GHz, the considered transmission from 140.895...

10.1109/lssc.2020.3019579 article EN IEEE Solid-State Circuits Letters 2020-01-01

This paper presents an energy-efficient wideband D- band wireless link using receiver (RX) and transmitter (TX) modules based on a channel-bonding scheme. The include RX TX integrated circuits (ICs) fabricated in 45nm CMOS RFSOI technology. They are mounted low-cost multi-layer printed circuit boards (PCBs) connected to patch antennas. ICs composed of two down-conversion up-conversion chains, respectively, operating over contiguous sub- bands around 147.96 GHz. required multiple...

10.1109/rfic54546.2022.9863127 article EN 2022-06-19

A high-data-rate <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$D$ </tex-math></inline-formula> -band transmitter (TX) module cointegrating a dual-channel TX integrated circuit (IC) in 45-nm CMOS partially deplated silicon-on-insulator (PDSOI) technology and an antenna is presented. The proposed system-in-package based on innovative channel-bonding technique fabricated using low-cost printed board...

10.1109/tmtt.2022.3162296 article EN IEEE Transactions on Microwave Theory and Techniques 2022-04-12

This paper presents a baseband to D-band wireless link based on transmitter module integrating 45-nm CMOS channel bonding chipset and high-gain antenna in PCB technology. The realized using commercial receiver at 42 cm achieves data rate of 57.6 Gb/s multi-channel 16-QAM with transmitting energy efficiency 27.4 pJ/b.

10.1109/rfic54547.2023.10186148 article EN 2023-06-11

This paper reports the first results of 5G- ALLSTAR project [1] aiming at providing solutions and enablers for spectrum sharing in a 5G cellular satellite multi-connectivity context. First, we present an exhaustive study frequency bands eligible these systems short medium term. A ray-tracing based geometry-based stochastic channel models developed are then described. These can be used to simulate involving terrestrial non- networks. We describe three different ways investigated managing...

10.1109/wcncw48565.2020.9124728 preprint EN 2020-04-01

We present two high-efficiency baseband (BB)-to- <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">${D}$ </tex-math></inline-formula> -Band transmitting systems based on a novel channel-aggregation architecture. They comprise first integrated circuit (IC) for channel aggregation at intermediate frequency (IF) and two-channel 45-nm CMOS transmitter (TX) flip-chipped antenna-in-package (AiP), which illuminates...

10.1109/tmtt.2023.3323041 article EN IEEE Transactions on Microwave Theory and Techniques 2023-10-24

Relay nodes (RNs) will be a key feature of future wireless networks. RNs can extend coverage, increase network capacity, and provide more uniform quality-of-service (QoS) across the cell area in cost-effective manner. Therefore, not surprisingly, relaying techniques have attracted significant amount attention from industry standards. The Third-Generation Partnership Project (3GPP) release 10 has considered that act as base stations (BSs), known type-1 RNs, aiming only for coverage extension....

10.1109/mvt.2014.2312268 article EN IEEE Vehicular Technology Magazine 2014-05-09

5GNOW is a European collaborative research project questioning the design targets of LTE and LTE-Advanced, in particular obedience to strict synchronism orthogonality. By introducing new waveforms, fosters re-design physical partially MAC layer support heterogeneous traffic (high rate, sporadic access, carrier aggregation). For system level performance evaluations non-orthogonal waveforms (together with key radio resource management algorithms) an abstract view analytical models going beyond...

10.1109/acssc.2013.6810581 article EN Asilomar Conference on Signals, Systems and Computers 2013-11-01

Driven by the data requirements envisioned for fifth generation (5G) of wireless services, mobile community is focusing on breaking spectrum gridlock that characterizes cellular technology. In this context, researchers and industries have identified millimeter-wave (mmWave) communications as a key enabler providing unprecedented radio access capacity. Nevertheless, due to specific differences between technology microwave systems, there are multiple research challenges spanning from hardware...

10.1109/mwc.2017.8014284 article EN IEEE Wireless Communications 2017-08-01

In this letter, an ultrabroadband D-band wireless front-end receiver (RX) in 45-nm CMOS SOI is proposed. It achieves a noise figure of 8 dB, gain 16 3-dB bandwidth 25 GHz, and occupies compact area 2 mm <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> . To the best our knowledge, for first time, required millimeter-wave local oscillator signal generated on-chip. Furthermore, 108-Gb/s data-rate demonstrated by receiving demodulating...

10.1109/lssc.2020.3011529 article EN IEEE Solid-State Circuits Letters 2020-01-01

This paper presents an in-package D-band wireless module co-integrating innovative channel bonding transmitter IC in 45 nm CMOS PDSOI technology and a patch antenna fabricated using low-cost printed circuit board process. The is composed of two up-conversion chains with dedicated millimeter-wave local oscillator generators operates over contiguous sub-bands around 147.96 GHz. sub-band signals are combined off-chip substrate integrated waveguide diplexer radiated by four-patch array realized...

10.1109/rfic51843.2021.9490422 article EN 2021-06-07

The performance, error rate and synchronization, of recently released 5G New Radio (NR) physical layer (PHY) with typical satellite scenarios are assessed in this paper. Four propagation channels Ka band considered implementation constraints modeled. conclusions highly depend on the channel type. For open rural high speed train (300 km/h) scenarios, NR PHY may be used as is. Higher (aero 1000 can benefit from mode that allows very short symbols (although is only allowed for large band)....

10.1109/globalsip.2018.8646358 article EN 2018-11-01

Abstract 5G systems and networks are expected to provide unprecedented data-rate final users services, in combination with increased coverage density. The traffic generated at the edges of network should be hauled through high capacity data-conveyors. Extremely links able optical-fiber like performance order 100 Gbps required reduce cost increase flexibility infrastructure deployment. This paper presents a full transceiver architecture based on channel-bonding radio-frequency front-end...

10.1186/s13638-020-01741-1 article EN cc-by EURASIP Journal on Wireless Communications and Networking 2020-06-05

5G AgiLe and fLexible integration of SaTellite And cellulaR (5G-ALLSTAR) is a Korea-Europe (KR-EU) collaborative project for developing multi-connectivity (MC) technologies that integrate cellular satellite networks to provide seamless, reliable, ubiquitous broadband communication services improve service continuity beyond. The main scope this entails the prototype development millimeter-wave New Radio (NR)-based system, an investigation feasibility NR-based system its with systems, study...

10.4218/etrij.2020-0156 article EN publisher-specific-oa ETRI Journal 2020-10-01

The current development of 5G networks represents a breakthrough in the design communication networks, for its ability to provide single platform enabling variety different services, from enhanced mobile broadband communications, automated driving, Internet-of-Things, with huge number connected devices, etc. Nevertheless, looking at technologies and new it is already possible envision need move beyond architecture incorporating services technologies. goal this paper motivate sixth generation...

10.48550/arxiv.1901.03239 preprint EN other-oa arXiv (Cornell University) 2019-01-01

This paper provides a high level comparison of several multi-carrier and single-carrier waveforms based on the evaluations performed in mmMAGIC project. The are assessed for performance indicators that relevant to mobile radio communication above 6 GHz, specially millimeter wave frequencies. waveform simulators under common assumptions carrier frequencies, parameters, channel impairment models. evaluation results reveal OFDM is suitable GHz communication. For ↑30 communication, with PAPR...

10.1109/glocomw.2016.7848900 article EN 2022 IEEE Globecom Workshops (GC Wkshps) 2016-12-01
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