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12 February 2016 Multicore fronthaul and backhaul provision in next-generation optical access networks
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This paper reports the experimental demonstration of a multicore fiber (MCF) system employing space-division multiplexing for the combined transmission of radio-over-fiber full-standard LTE-Advanced and WiMAX signals in a 4-core MCF optical fronthaul on a PON access network. Combining MCF fronthaul and PON access with RoF transmission enables the simultaneous transmission of downstream and upstream services in different cores. In this work, we propose and demonstrate a MCF fronthaul system providing combined fully-standard LTE-A and WiMAX signals using radio-over-fiber (RoF) transmission in a 4-core MCF media. The impact of the inter-core crosstalk in RoF transmissions is also evaluated and we studied the possibility of mitigating the crosstalk impairments with MIMO processing. The experimental performance of the PON access overlay employing optical polarization multiplexing is also reported.
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Roberto Llorente, Maria Morant, and Andrés Macho "Multicore fronthaul and backhaul provision in next-generation optical access networks", Proc. SPIE 9772, Broadband Access Communication Technologies X, 97720M (12 February 2016);

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