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Article Dans Une Revue Journal of Optical Communications and Networking Année : 2021

Optical Access Network Interfaces for 5G and beyond [Invited]

Résumé

Point to Point (PtP), Wavelength Division Multiplexing (WDM) and Time Division Multiplexing (TDM) optical interfaces are discussed as solutions for backhaul, midhaul and fronthaul networks. The evolution of Radio Access Networks (RAN) for 5G and beyond is introduced and PtP is identified as the most deployed solution with many transceiver technologies available to cover the different needs for each RAN configuration. WDM and TDM interfaces remain of interest when a lack of fiber occurs. WDM technologies are being adapted to answer to this RAN market with the appearance of Medium-WDM (MWDM) and auto-tunable Dense-WDM (DWDM) transceivers. TDM technologies are trying to evolve towards higher bitrates and lower latency to cope with RAN backhaul specifications. A gap in the transceiver technologies is identified for each of those interfaces types and also for bitrates above 25Gbit/s that will impose more complex optics, electronics and integration.
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Dates et versions

hal-03327518 , version 1 (27-08-2021)

Identifiants

Citer

Fabienne Saliou, Philippe Chanclou, Luiz Anet Neto, Gael Simon, Jeremy Potet, et al.. Optical Access Network Interfaces for 5G and beyond [Invited]. Journal of Optical Communications and Networking, 2021, 13 (8), pp.D32-D42. ⟨10.1364/JOCN.425039⟩. ⟨hal-03327518⟩
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