OFDM Baud Rate Limitations in an Optical Heterodyne Analog Fronthaul Link using Unlocked Fibre Lasers
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In this article, the effect of subcarrier baud rate and frequency offset variations on the performance of a 60 GHz OFDM signal generated using unlocked fiber lasers was analyzed in a 25 km mm-wave A-RoF heterodyne system.Abstract:
The phase noise (PN) of a photo-generated mmwave carrier, resulting from frequency and phase fluctuations of uncorrelated laser sources, limits the performance of heterodyne/millimeter-wave analog radio-over-fibre links. This work analyzes the effect of subcarrier baud rate and frequency offset (FO) variations on the performance of a 60 GHz OFDM signal generated using unlocked fiber lasers. Conventional digital techniques for FO and PN compensation, in a 25 km mm-wave A-RoF heterodyne system, are shown to overcome relatively large FOs and to enable the successful transmission of kHz range sub-carrier baud rates – in line with recent 5G recommendations.read more
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Journal ArticleDOI
Towards a Scaleable 5G Fronthaul: Analog Radio-over-Fiber and Space Division Multiplexing
Simon Rommel,Delphin Dodane,Evangelos Grivas,Bruno Cimoli,Jérôme Bourderionnet,Gilles Feugnet,Alvaro Morales,Evangelos Pikasis,Chris G. H. Roeloffzen,Paul van Dijk,Michail Katsikis,Konstantinos Ntontin,Dimitrios Kritharidis,Izabela Spaleniak,Paul Mitchell,Mykhaylo Dubov,Juliana Barros Carvalho,Idelfonso Tafur Monroy +17 more
TL;DR: The use of analog radio-over-fiber (ARoF) is proposed and demonstrated as a viable alternative which, combined with space division multiplexing in the optical distribution network as well as photonic integration of the required transceivers, shows a path to a scaleable fronthaul solution for 5G.
Journal ArticleDOI
Optical Heterodyne Analog Radio-Over-Fiber Link for Millimeter-Wave Wireless Systems
Amol Delmade,Colm Browning,Theo Verolet,Julien Poette,Arman Farhang,Hamza Hallak Elwan,R. David Koilpillai,Guy Aubin,F. Lelarge,Abderrahim Ramdane,Deepa Venkitesh,Liam P. Barry +11 more
TL;DR: In this article, three different techniques for the compensation of the laser frequency offset (FO) and phase noise (PN) in an optical heterodyne analog radio-over-fiber (A-RoF) system are presented.
Journal ArticleDOI
Analysis and Compensation of Phase Noise in Mm-Wave OFDM ARoF Systems for Beyond 5G
Javier Pérez Santacruz,Simon Rommel,Ulf Johannsen,Antonio Jurado-Navas,Idelfonso Tafur Monroy +4 more
TL;DR: In this paper, the authors proposed an algorithm to compensate the phase noise in OFDM receivers in mm-wave ARoF systems for 5G and showed the effectiveness of the proposed algorithm under those conditions.
Journal ArticleDOI
Wavelength Division Multiplexed Radio Over Fiber Links for 5G Fronthaul Networks
TL;DR: This work proposes and experimentally demonstrate a low-cost directly modulated laser (DML)-based wavelength division multiplexing (WDM)-RoF transmission system for use in next-generation 5G networks and presents robust analytical models of the proposed DML-based WDM-RoF network with spectrally-efficient M-ary-quadrature amplitude modulation (M-QAM), beneficial for system designers.
Proceedings ArticleDOI
5G New Radio Compatible Multicarrier Signals Delivery over an Optical/Millimeter-Wave Analog Radio-over-Fiber Fronthaul Link
TL;DR: This work demonstrates the successful generation of 60.6 GHz OFDM signal, with 61 kHz subcarrier spacing, in an optical heterodyne analog radio-over-fiber system using gain switched laser source.
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