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China Telecom Expert How To Choose Suitable 5g wdm Front-haul Technology WDM-PON Solution Is So Far The Best 5g Front Haul Front-haul is an important element of a 5G carrying network solution, which has a great influence on the cost of network construction and the convenience of project implementation. Choosing appropriate 5G forward technology and adopting flexible deployment mode are largely related to the quality, cost and efficiency of 5G network deployment. At the "5G Carrying Technology Development Seminar" held recently, Jiang Ming, deputy director of the basic network Department of Shanghai Research Institute of China Telecom, said that China Telecom has obvious advantages in the 5G forward scenario of WDM-PON technology. "5G front transmission can be divided into C-RAN centralized mode and D-RAN decentralized mode according to the location of DU distribution. At present, we mainly focus on the first C-RAN centralized mode. According to the location of the D...