Comptes Rendus
Investigating sub-THz PHY layer for future high-data-rate wireless backhaul
Comptes Rendus. Physique, Volume 22 (2021) no. S1, pp. 35-45.

Spectrum above 90 GHz is a promising investigation domain to offer future wireless networks with performance beyond IMT 2020 such as 100+ Gbit/s data rate or sub-ms latency. In particular, the huge available bandwidth can serve the backhaul transport network in the perspective of future ultra-dense deployments, and massive front-haul data streams. This paper investigates the feasibility and characteristics of the in-street sub-THz mesh backhauling. The study relies on the highly realistic simulation of the physical layer performance, based on detailed geographical representation, ray-based propagation modelling, RF phase noise impairment, and a new modulation scheme robust to phase noise. The achievable throughput is studied, and it is shown that each link of a dense mesh backhaul network can reliably deliver several Gbit/s per 1-GHz carrier bandwidth. The multi-path diversity is assessed, as well as the impact of rainfall and phase noise level.

Première publication :
Publié le :
DOI : 10.5802/crphys.66
Mots clés : Sub TeraHertz, Backhaul, Propagation model, Modulation, Physical layer, 6G
Grégory Gougeon 1 ; Yoan Corre 1 ; Mohammed Zahid Aslam 1 ; Simon Bicaïs 2 ; Jean-Baptiste Doré 2

1 SIRADEL, Saint-Grégoire, France
2 CEA-Leti, Grenoble, France
Licence : CC-BY 4.0
Droits d'auteur : Les auteurs conservent leurs droits
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     title = {Investigating {sub-THz} {PHY} layer for future high-data-rate wireless backhaul},
     journal = {Comptes Rendus. Physique},
     pages = {35--45},
     publisher = {Acad\'emie des sciences, Paris},
     volume = {22},
     number = {S1},
     year = {2021},
     doi = {10.5802/crphys.66},
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Grégory Gougeon; Yoan Corre; Mohammed Zahid Aslam; Simon Bicaïs; Jean-Baptiste Doré. Investigating sub-THz PHY layer for future high-data-rate wireless backhaul. Comptes Rendus. Physique, Volume 22 (2021) no. S1, pp. 35-45. doi : 10.5802/crphys.66. https://comptes-rendus.academie-sciences.fr/physique/articles/10.5802/crphys.66/

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