COFFEECoherent Optical system Field-trial For spectral Efficiency Enhancement |
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Participant:CNIT Objective:The COFFEE project aims at demonstrating, through field trial experiments, the coherent optical data transmission of a single superchannel at the high capacity of 1Tbps using a reduced bandwidth (<200 GHz) over long-haul testbed routes. Approach:Innovative techniques, already developed in a laboratory, will be introduced in a field trial environment. Time-Frequency Packing (TFP) will be used to increase the spectral efficiency. With respect to other commonly used techniques like orthogonal frequency division multiplexing (OFDM) and M-ary quadrature amplitude modulation format (M-QAM), TFP can guarantee for lower transceiver complexity and bandwidth requirements, higher tolerance with respect to fibre propagation nonlinearities, reduced power consumption, and larger flexibility. Impact:Techniques developed within the COFFEE project will play a key role in the forthcoming standardised communications, increasing network flexibility and capacity. Deliverable:To view the final report of this Open Call project visit the resources library. |
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