激光与光电子学进展, 2018, 55 (3): 030601, 网络出版: 2018-09-10
基于八维调制格式的变速率方法 
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Rate-Adaptive Scheme Based on Eight-Dimensional Modulation Formats
图 & 表
图 1. 基于八维调制格式的变速率原理
Fig. 1. Schematic of rate-adaptive scheme based on eight-dimensional modulation formats
图 2. 基于八维调制格式的变速率传输系统
Fig. 2. Schematic of rate-adaptive transmission system based on eight-dimensional modulation formats
图 4. 符号速率为7 GBaud的条件下,八维调制格式pb-8D(4≤p≤12)的误码率(BER)与光信噪比(OSNR)的关系。(a)在背靠背系统中;(b)在800 km单模光纤(SMF)系统中
Fig. 4. BER versus OSNR for eight-dimensional modulation formats pb-8D (4≤p≤12) at the symbol rate of 7 GBaud (a) in back-to-back system and (b) in 800 km SMF system
图 5. 八维调制格式pb-8D (4≤p≤12)经过800 km单模光纤系统传输后的BER与OSNR关系。(a)符号速率为14 GBaud;(b)符号速率为28 GBaud
Fig. 5. BER versus OSNR for eight-dimensional modulation formats pb-8D (4≤p≤12) in 800 km SMF system at the symbol rates of (a) 14 GBaud and (b) 28 GBaud
表 1E8晶格前3层星座点坐标
Table1. Constellation point coordinates of the first three layers of E8 lattice
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段净化, 胡贵军. 基于八维调制格式的变速率方法[J]. 激光与光电子学进展, 2018, 55(3): 030601. Jinghua Duan, Guijun Hu. Rate-Adaptive Scheme Based on Eight-Dimensional Modulation Formats[J]. Laser & Optoelectronics Progress, 2018, 55(3): 030601.
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