Dynamic ONU grouping algorithm based on combination partition for centralized flexible PON

被引：0

作者：

Chen, Junjie ^{[1
,2
]}

Tian, Qinghua ^{[1
,2
]}

Zhang, Xiao ^{[1
,2
]}

Wang, Fu ^{[1
,2
]}

Sun, Dandan

Zhu, Lei ^{[3
]}

Tian, Feng ^{[1
,2
]}

Zhou, Sitong

Zhang, Qi ^{[1
,2
]}

Xin, Xiangjun ^{[3
]}

机构：

[1] Beijing Univ Posts & Telecommun BUPT, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] Beijing Univ Posts & Telecommun BUPT, Sch Elect Engn, Beijing Key Lab Space Ground Interconnect & Conver, Beijing 100876, Peoples R China

[3] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China

来源：

APPLIED OPTICS | 2024年 / 63卷 / 26期

基金：

中国国家自然科学基金;

关键词：

SYSTEM;

D O I：

10.1364/AO.532343

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The traditional optical access network architecture is fixed, and passive optical networking (PON) is only used as the transmission pipeline, which fails to make full use of the exchange capability of OLTs. In this paper, a dynamic optical network unit (ONU) grouping algorithm based on combination partition (DGACP) is proposed in the centralized flexible PON architecture. The algorithm transforms the global partitioning problem into a local partitioning problem, thereby reducing the number of algorithm iterations while obtaining the minimum cross-OLT traffic. Simulation results show that compared with the existing dynamic PON slice restructuring algorithm (DRA), the traffic gain of the DGACP is almost equal or slightly better, and the maximum running time is reduced from around 180 s to less than 0.5 s when the number of ONUs is 512.

引用

页码：6862 / 6871

页数：10

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