Analog Radio Over Fiber Fronthaul for High Bandwidth 5G Millimeter-Wave Carrier Aggregated OFDM

Abstract

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Simplified Coherent Receiver for Analogue Radio Transmission Over High Optical Budgets

“…Technical aspects that remain to be solved are the stability of the LO and the necessity for DSP, rendering these systems as rather challenging to port from the realm of metrocore networks to optical fronthaul applications. Table I puts into perspective the proposed EML+TIA based receiver with state-of-the-art works on RoF transmission [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26]. There is an increased interest in A-RoF, with many works targeting transmission through IFoF and RFoF principles, using either IM/DD or coherent detection.…”

Optically Powered Radio-Over-Fiber Systems in Support of 5G Cellular Networks and IoT

“…So that ARoF-based centralized radio access networks (C-RANs) can face all challenges addressed by the upcoming 5G technology like high data rates, low latency and energy consumption [9]. Some experiments of analog transmission of 5G NR signals over SMF were reported in [10]. In this scenario, from the point of view of operators, there is a considerable interest in the reuse of the already deployed broadband fiber networks, being SMFs the most popular and widely used mean for these optical fiber-based infrastructures.…”

5G RAN architecture based on analog radio-over-fiber fronthaul over UDWDM-PON and phased array fed reflector antennas

“…One step towards the first results leading to the merge between 5G STEP FWD and SILIKA is an experimental RoF system [52,53]. Carrier aggregated 5G OFDM signals with multiple bands were transmitted.…”