DS0709 - Infrastructures de communication et de traitement

WaveForms Models for Machine Type Communications integrating 5G Networks – WONG5

Submission summary

WONG5 (Waveforms MOdels for Machine Type CommuNication inteGrating 5G Networks) project objectives are to study and propose Waveforms (WF) that are best suited for the physical layer of Critical Machine Type Communications (C-MTC). 50 billions of connected machines are expected in years 2020 for the MTC market. C-MTC will represent an important part of this activity and of the overall transmitted data.

C-MTC application domain are communications between autonomous machines in following domains: (1) industrial processes (control/command of industrial machines, autonomous robots), (2) survey and security in constraint environments (drones, mobiles robots in severe environments, remote monitoring, intrusion detection, sensor networks), (3) control systems for vehicles (Intelligent Transport Systems, road traffic survey and analysis).

For C-MTC, exchanged data can be sporadic (remote sensing, alarms) or repetitive (control/command) with large exchanged packets sizes of the order of several kilobytes (fixed or moving images). These large rates must be associated with a reliable and robust communication with a low latency and, in that context, multicarrier modulations have a great interest. Reliability and low latency are absolutely mandatory for applications dealing with control/command, tactical applications and remote sensing and alarms. Maximal latencies expected in WONG5 project are of the order of the millisecond. Furthermore, C-MTC communications must be asynchronous in order to minimize network access time and to minimize energetic consumption. Asynchronous constraints imposing the use of multicarrier WF with very low out of band spectral density, studied WF will belong to post OFDM filtered WF.
Post OFDM multicarrier WF are among the candidates for 5G future systems: Filter Bank Multi-Carrier-Offet QAM (FBMC-OQAM), Filtered Multi Tone (FMT), Generalized Frequency Division Multiplexing (GFDM), Multi-Carrier Faster-Than-Nyquist signaling (MC-FTN), Unified Filtered Multi Carrier (UFMC), Circular OQAM (WCP-COQAM), Lapped-OFDM.

In a first step, a critical and comparative study of post OFDM WF will be carried out following several criteria as: spectral efficiency, out of band spectral density, energetic efficiency, latency, coexistence of asynchronous machines, MIMO techniques and complexity of mod/demod.
In a second step, the post OFDM WF best suited for C-MTC constraints will be specially studied in the context of energetic efficiency and MIMO adaptation.
Concerning energetic efficiency, WF with low intrinsic crest factors, PAPR reduction techniques together with High Power Amplifier (HPA) linearization techniques will be investigated. Joint techniques for PAPR reduction and HPA linearization well suited for this post OFDM WF will be investigated.
MIMO techniques will be studied aiming at increasing the reliability of communication links and lowering the latency. One of the objectives of WONG5 project is to overcome difficulties of MIMO techniques when applied to post OFDM WF.
In parallel, taking into account the critical and comparative study of post OFDM WF, an other objective of WONG5 will be tu study and propose new multicarrier WF that are best adapted to the C-MTC context.
Finally, following these theoretical studies, the best multicarrier WF for C-MTC will be designed and its complexity evaluated in a Software Defined Radio demonstrator.

Project coordination

DANIEL ROVIRAS (Conservatoire National des Arts et Métiers)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.


CNAM Conservatoire National des Arts et Métiers
CEA LETI Commissariat à l'énergie atomique et aux énergies alternatives - LETI
THALES Thales Communications & Security SAS

Help of the ANR 901,459 euros
Beginning and duration of the scientific project: September 2015 - 36 Months

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