Next generation wireless broadband access network requires a centralized radio access network (C-RAN) with high bandwidth and low latency of mobile fronthaul links. DWDM-PON is suitable for such fronthaul because of high bandwidth and low latency using dedicated wavelength channels. Auxiliary management and control channel (AMCC) superimposition scheme is advantageous for the management and control of DWDM-PON systems. In this paper, we review several types of superimposition and detection schemes that we have proposed and developed, and evaluate the impact of AMCC superimposition on the main signal as well as the quality of the superimposed signal.
Goji Nakagawa, Kyosuke Sone, Shoichiro Oda, Setsuo Yoshida, Yoshio Hirose, and Takeshi Hoshida, "Experimental investigation of auxiliary management and control channel superimposition for mobile fronthaul in DWDM-PON system," Proc. SPIE 10560, Metro and Data Center Optical Networks and Short-Reach Links, 1056006 (Presented at SPIE OPTO: January 30, 2018; Published: 30 January 2018); https://doi.org/10.1117/12.2286436.
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