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Nokia and M-net conduct field trial using Nokia technology

Nokia and M-net conduct field trial using Nokia technology

Nokia and German service provider, M-net, have jointly announced the first field trial of probabilistically-shaped wavelengths using Nokia Photonic Service Engine 3 (PSE 3) super coherent technology.

In preparation for the rollout of its state-of-the-art Bavarian WDM network, M-net has become the first carrier to trial Nokia’s Photonic Service Engine 3 coherent digital signal processing technology. The PSE-3 is the first DSP to implement probabilistic constellation shaping, or PCS, a sophisticated signal processing technique pioneered by Bell Labs which finely adjusts the optical signal to maximise the data-carrying capacity of an optical fibre over any distance.

M-net successfully transmitted 500G per wavelength over a deployed regional network, utilising PCS to shape the signal from its maximum capacity of 600G to a rate optimised for the specific fibre route used in the test. This high level of performance and flexibility enables M-net to maximise the capacity of every network fibre, ensuring its innovative backbone will meet the demands of soaring video traffic and 5G mobile broadband.

Dr. Hermann Rodler, CTO at M-net, said: “This field trial clearly underlines the innovative strength of M-net. We are very proud to collaborate with Nokia to push the technology envelope on our state-of-the-art fibre-optic network and to be the first carrier to publicly test the PSE-3 and its probabilistic constellation-shaping technology.”

Sam Bucci, Head of Optical Networking at Nokia, said: “We’re excited to partner with M-net on the implementation of its new fibre optic backbone network. The Technical University of Munich played a key role in the development of PCS and the PSE-3 was largely developed at Nokia’s R&D facility in Nuremberg, so it’s only appropriate that the first field trial of PSE-3 technology would take place in Bavaria.”

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