Werner Rosenkranz

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This paper addresses OFDM transmission over optical links with high spectral efficiency, i.e. by using high-order QAM-modulation schemes as a mapping method prior to the OFDM multicarrier representation. Low and moderate cost optics which is mandatory in access and in metro applications is assumed. Here we address especially direct detection receivers using(More)
We compare experimentally the on-off keying (OOK) modulation format with the bandwidth efficient duobinary modulation format in 10 Gb/s Ethernet short haul transmission systems based on multi mode fibre (MMF). Thereby, the investigations are focussed on the robustness towards the negative influences of multimode fibre characteristics. It is shown by(More)
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