期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 39, 期 16, 页码 5232-5247出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2021.3097163
关键词
Transceivers; Optical fiber networks; Optical switches; Optical fibers; Point-to-multipoint communications; Integrated optics; IP networks; Point-to-Multipoint; digital subcarrier multiplexing; 5G; metro aggregation; fronthaul; coherent access
A paradigm shift in optical communication networks is proposed with the introduction of a new ecosystem of devices, transforming current point-to-point optical networks into flexible, scalable, and cost-effective point-to-multipoint networks. Interoperability across transceivers operating at different speeds is achieved using digitally generated subcarriers, leading to significant cost savings and network simplification.
A paradigm shift in optical communication networks is proposed, with the introduction of a new ecosystem of devices and components with the capability of transforming current point-to-point optical networks (with their entailed, limiting, electrical aggregation) into flexible, scalable and cost-effective point-to-multipoint networks. In the new architecture, which better aligns with the hub-and-spoke traffic patterns observed in today's metro and access network segments, interoperability across a variety of transceivers operating at different speeds is achieved using individually routed, digitally generated subcarriers. The first comprehensive demonstration of the technical feasibility of the proposed point-to-multipoint architecture based on digital subcarrier multiplexing is presented, along with the remarkable cost savings and simplification of the network it enables.
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