Dynamic Subcarrier Assignment for OFDM-PON Network Based on RSOA for ACCORDANCE
Dynamic Subcarrier Assignment for OFDM-PON Network Based on RSOA for ACCORDANCE作者机构:State Key Lab. of Information Photonics and Optical Communications Beijing Univ. of Posts & Telecom.10 Xitucheng Road
出 版 物:《China Communications》 (中国通信(英文版))
年 卷 期:2014年第11卷第6期
页 面:81-88页
核心收录:
基 金:supported by NSFC Project No.61372119 863 Program No.2011AA01A104 Doctoral Scientific Fund Project of the Ministry of Education of China(No.20120005110010)
摘 要:In this paper, we overview the principle of Orthogonal Frequency Division Multiplexing Passive Optical Network (OFDM-PON) systems, with a particular focus on upstream architectures capable of achieving 10Gbit/s colorless upstream transmission using Reflective Semiconductor Optical Amplifier (RSOA). We propose an architecture of RSOA based OFDM-PON which can achieve 10Gbit/s upstream transmission over a single wavelength. A novel Dynamic Subcarrier Assignment (DSA) algorithm is also proposed to support my architecture, namely Service based Polling in Pipeline (SPP) dynamic subcarrier algorithm. A simulation was conducted to study the performance of SPP algorithm. Compared with the traditional dynamic bandwidth allocation algorithms, service based polling meets the quality of in pipeline algorithm service requirements excellently, and adapts orthogonal frequency division multiplexing passive optical network better with higher bandwidth efficiency and lower algorithm complexity.