A Novel Subcarrier Allocation Scheme in OFDM-PON

HU Fa-ze; LI Ru-xing; WU Shi-bao

doi:10.13756/j.gtxyj.2016.03.001

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A Novel Subcarrier Allocation Scheme in OFDM-PON

- A Novel Subcarrier Allocation Scheme in OFDM-PON
- Study on Optical communication Issue 3, Pages: 1-3(2016)
- 作者机构：
  
  上海大学特种光纤与光接入网重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2016.03.001
  CLC： TN929.1
- Published：2016，
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[1]胡发泽,李汝星,伍仕宝.一种新的OFDM-PON子载波分配机制[J].光通信研究,2016(03):1-3.

HU Fa-ze, LI Ru-xing, WU Shi-bao. A Novel Subcarrier Allocation Scheme in OFDM-PON. [J]. (3):1-3(2016)
[1]胡发泽,李汝星,伍仕宝.一种新的OFDM-PON子载波分配机制[J].光通信研究,2016(03):1-3. DOI： 10.13756/j.gtxyj.2016.03.001.

HU Fa-ze, LI Ru-xing, WU Shi-bao. A Novel Subcarrier Allocation Scheme in OFDM-PON. [J]. (3):1-3(2016) DOI： 10.13756/j.gtxyj.2016.03.001.

摘要

OFDM-PON（正交频分复用无源光网络）技术受到越来越多的关注

而子载波分配是其关键技术之一。文章介绍了两种已有的OFDM-PON子载波分配机制

并在此基础上提出一种新的OFDM-PON上行传输的子载波分配机制

该机制主要分为求余法和凑数法两部分

可以有效地减少用于保护间隔的带宽浪费。仿真结果表明

与已有的子载波分配机制相比

新的子载波分配机制可以获得更高的吞吐量。

Abstract

Subcarrier allocation is one of the key technologies in the Orthogonal Frequency Division Multiplexing Passive Optical Network（OFDM-PON）

which has been received more and more attentions recently.This paper first introduces two existing subcarrier allocation schemes.Then a novel subcarrier allocation scheme is proposed for upstream transmission in OFDM-PON.The scheme is divided into two parts:modulus operation and patchwork scheme.The scheme can effectively reduce the waste of bandwidth of guard time.Simulation results show that the proposed scheme obtains higher throughput compared to existing schemes.

关键词

正交频分复用无源光网络子载波分配吞吐量

Keywords

OFDM-PONsubcarrier allocationthroughput

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