正交频分复用无源光网络  

Orthogonal Frequency Division Multiplexing Passive Optical Network

作　　者：何永琪[1] 林邦姜[1] 李巨浩[1] 

机构地区：[1]北京大学区域光纤通信网与新型光通信系统国家重点实验室,北京100871

出　　处：《中兴通讯技术》2014年第5期6-8,共3页ZTE Technology Journal

基　　金：国家重点基础研究发展("973")规划(2010CB328201;2010CB328202);国家高技术研究发展("863")计划(2011AA01A106);国家自然科学基金(61377072;61275071)

摘　　要：认为当采用低频段的射频资源时,色散导致的双边带功率衰落对正交频分复用无源光网络(OFDM-PON)的影响很小。基于时分复用(TDM)架构的OFDMPON,充分利用正交频分复用(OFDM)技术的优势与TDM架构的无色性,与现有的以太网无源光网络(EPON)、千兆比无源光网络(GPON)兼容性高,是解决上行无色性传输的最优方案。基于OFDM的时波分复用无源光网络(TWDM-PON)充分利用了OFDM调制优势,用来提升单载波容量,在不改变TWDM-PON系统结构情况下,实现100 Gbit/s的高速接入,是未来无源光网络的重要候选方案。In this paper, we propose that the power fading of double sideband for OFDM-PON induced by chromatic dispersion is small when using low radio frequency（RF）. The OFDM-PON based on time division multiplexing（TDM）architecture is the best solution for uplink colorless transmission. This makes full use of the advantages of OFDM technique and colorless TDM architecture and is highly compatible with existing EPON and GPON. Time wavelength division multiplexing（TWDM） PON based on OFDM is a strong candidate for future PON, which makes full use of OFDM modulation to increase the capacity of a single carrier without changing the structure of TWDM-PON system, achieving 100 Gbit/s high-speed access.

关 键 词：正交频分复用 无源光网络 时分复用 时波分复用 

分 类 号：TN929.1[电子电信—通信与信息系统]