An OFDM-MIMO Distributed Acoustic Sensing over Deployed Telecom Fibers

Christian Dorize (1) , Sterenn Guerrier (2, 3, 4, 5) , Elie Awwad (2, 5, 3) , Peter A Nwakamma (1) , Haik Mardoyan (1) , Jérémie Renaudier (1)

1 Nokia Bell Labs [Nozay]
2 Télécom Paris
3 GTO - Télécommunications Optiques
4 Nokia Bell Labs [Paris-Saclay]
5 COMELEC - Département Communications & Electronique

We demonstrate the performance of a novel multi-carrier MIMO fiber sensing interrogator based on OFDM approach. Over an installed telecom fiber cable, coherent fading is mitigated by means of a purely digital subcarrier combiner.

Domaines: Réseaux et télécommunications [cs.NI]; Sciences de l'ingénieur [physics]

Christian Dorize, Sterenn Guerrier, Elie Awwad, Peter A Nwakamma, Haik Mardoyan, et al.. An OFDM-MIMO Distributed Acoustic Sensing over Deployed Telecom Fibers. Optical Fiber Communications 2021, Jun 2021, San Francisco, United States. ⟨hal-03330937⟩