Full-Service MAC Protocol for Metro-Reach GPONs

被引：28

作者：

Chang, Ching-Hung ^{[1
]}

Alvarez, Noemi M. ^{[2
]}

Kourtessis, Pandelis ^{[1
]}

Lorenzo, Ruben M. ^{[2
]}

Senior, John M. ^{[1
]}

机构：

[1] Univ Hertfordshire, Sci & Technol Res Inst, Opt Networks Grp, Hatfield AL10 9AB, Herts, England

[2] Univ Valladolid, Dept Signal Theory Commun & Telemat Engn, E-47011 Valladolid, Spain

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2010年 / 28卷 / 07期

关键词：

Class of service (CoS); dynamic bandwidth allocation (DBA); fiber-to-the-home (FTTH); gigabit-capable passive optical network (GPON); long-reach passive optical network (long-reach PON); quality of service (QoS); service level agreement (SLA); HYBRID WDM/TDM-PON; BANDWIDTH ALLOCATION; GENERATION; ACCESS;

D O I：

10.1109/JLT.2009.2037342

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An advanced medium access control protocol is presented demonstrating dynamic bandwidth allocation for long-reach gigabit-capable passive optical networks (GPONs). The protocol enables the optical line terminal to overlap the idle time slots in each packet transmission cycle with a virtual polling cycle to increase the effective transmission bandwidth. Contrasting the new scheme with developed algorithms, network modeling has exhibited significant improvement in channel throughput, mean packet delay, and packet loss rate in the presence of class-of-service and service-level differentiation. In particular, the displayed 34% increase in the overall channel throughput and 30 times reduction in mean packet delay for service-level 1 and service-level 2 optical network units (ONUs) at accustomed 50% ONU load constitutes the highest extended-reach GPON performance reported up to date.

引用

页码：1016 / 1022

页数：7

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