Field trial to improve the fibre infrastructure towards 40Gbit/s transmission and beyond and decrease economically efficient the link PMD by exploitation of a POTDR

Ehrhardt, A.; Paul, Manuel; Schurer, L.; Gerlach, Christian; Krönert, Wolfgang; Fritzsche, D.; Breuer, D.; Furst, V.; Cyr, N.; Chen, H.; Schinn, G.W.

doi:10.1109/icton.2009.5185005

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Pmd Measuring Techniques1

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2015

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“…The techno-economical aspect was taken into consideration in [55,56] in cooperation with Deutsche Telekom. The papers investigated the process of replacing high PMD sections and concluding that the replacement of the short part of high-PMD fibers significantly reduces costs for the improvement of the fiber infrastructure…”

Section: Pmd Measuring Techniquesmentioning

confidence: 99%

Characterization of dual-polarization LTE radio over a free-space optical turbulence channel

et al. 2015

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A dual polarization (DP) radio over a free-space optical (FSO) communication link using a long-term evolution (LTE) radio signal is proposed and analyzed under different turbulence channel conditions. Radio signal transmission over the DP FSO channel is experimentally verified by means of error vector magnitude (EVM) statistics. We demonstrate that such a system, employing a 64 quadrature amplitude modulation at the frequency bands of 800 MHz and 2.6 GHz, evinces reliability with <8% of EVM in a turbulent channel. Based on the results, we show that transmitting the LTE signal over the FSO channel is a potential solution for last-mile access or backbone networks, when using multiple-input multiple-output based DP signals.

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Section: Pmd Measuring Techniquesmentioning

confidence: 99%