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5G正在朝着更高速率、更低时延、更低功耗的方向迈进,前传光网络(fronthaul optical network)已成为提升其综合能力必不可少的重要手段之一.本文阐述了5G前传光网络未来发展趋势的“三一”观点(一个关键问题,一个重要特征,一个发展目标):(1)面向5G大带宽和低时延传送需求,探索光网络资源的多维度复用技术,实现海量数据的高速与低时延传送是5G前传光网络亟待解决的关键问题;(2)天线数量的激增与虚拟化技术的不断部署,导致面向5G前传光网络的拓扑不再是固定的点到点的连接形式,构建灵活与可重构的前传光网络是实现5G资源高效配置的重要特征;(3)满足不断增长的移动业务流量需求,以及物联网等多样化业务接入下的高质量数据传送,结合人工智能与机器学习,打造深度智能化的控制管理系统是未来5G前传光网络的又一发展目标.
As the 5G is moving toward higher speeds, lower latency and lower power consumption, the fronthaul optical network has become an indispensable means of enhancing its overall capabilities.This article describes the 5G frontal light transmission Network’s future development trend of “Trinity” (a key issue, an important feature, a development goal): (1) for the 5G large bandwidth and low latency transmission needs to explore the optical network resources, multi-dimensional multiplexing technology , Achieving high-speed and low-latency transmission of massive data is a key issue to be solved in 5G pre-transmission networks. (2) The proliferation of antennas and the constant deployment of virtualization technologies result in the topology for 5G pre-transmission networks being no longer fixed Point-to-point connection form, building a flexible and reconfigurable front-access optical network is an important feature for efficient configuration of 5G resources; (3) to meet the growing demand for mobile service traffic and diversified services such as Internet of Things High-quality data transmission, combined with artificial intelligence and machine learning, to create a depth of intelligent control management system is the future of the future development of 5G pre-transmission network.