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公开(公告)号:US20180294880A1
公开(公告)日:2018-10-11
申请号:US15850782
申请日:2017-12-21
申请人: ZTE (USA) Inc.
发明人: JIANJUN YU , Jianqiang Li , Hung-Chang Chien , Zhensheng Jia
IPC分类号: H04B10/2513 , H04L27/26 , H04B10/61 , H04J14/02 , H04B10/516 , H04B10/50 , H04J14/06
CPC分类号: H04B10/548 , H04B10/5561 , H04B10/613 , H04L27/2637 , H04L27/2697
摘要: Methods and apparatus to realize high spectral efficiency in optical signals transmitted over long distances.