Analysis on multiple optical line terminal passive optical network based open access network

doi:10.1007/s12200-018-0767-3

Front. Optoelectron.

2019, Vol. 12

Issue (2) : 208-214 https://doi.org/10.1007/s12200-018-0767-3

RESEARCH ARTICLE

Analysis on multiple optical line terminal passive optical network based open access network

Love KUMAR¹(

), Amarpal SINGH², Vishal SHARMA³

¹. I K Gujral Punjab Technical University, Kapurthala, Punjab 144603, India
². Beant College of Engineering and Technology, Gurdaspur, Punjab 143521, India
³. Shaheed Bhagat Singh State Technical Campus, Ferozepur, Punjab 152004, India

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Abstract

Passive optical networks (PONs) offer sufficient bandwidth to transfer huge amount having different packet sizes and data rates being generated by fusion of various networks. Additionally, multiple optical line terminals (OLTs) PONs reduce the computational complexity of data processing for nonuniform traffic. However,in order to improve the bandwidth allocation efficiency of a mixture of service providers, dynamic bandwidth algorithm (DBA) is needed for uplink communication. In this paper, a PON based open access network (OAN) is analyzed for bi-directional communication at various data rates. Multiple wavelengths are used to modulate the data of various service providers to evade the complicated DBA for uplink data broadcasting. The performance of the network is reported in terms of bandwidth exploitation, uplink effectiveness, overhead-to-data ratio and time cycle duration. The network is analyzed at various data rates to reveal the data accommodation capacity.

Keywords passive optical network (PON) open access network (OAN) optical line terminal (OLT) hybrid network

Corresponding Author(s): Love KUMAR

Just Accepted Date: 27 July 2018 Online First Date: 23 October 2018 Issue Date: 03 July 2019

Cite this article:

Love KUMAR,Amarpal SINGH,Vishal SHARMA. Analysis on multiple optical line terminal passive optical network based open access network[J]. Front. Optoelectron., 2019, 12(2): 208-214.

URL:

https://academic.hep.com.cn/foe/EN/10.1007/s12200-018-0767-3
https://academic.hep.com.cn/foe/EN/Y2019/V12/I2/208

Fig.1 Architecture for multi-OLT multi-wavelength PON based OAN

Fig.2 Timing diagram for multi-OLT multi-wavelength PON based OAN

symbol	parameter	value
N_OLT	number of OLT	4
n	number of ONUs	3−8
T_cycle	time cycle (ms)	variable
PL_k (Group-I and II)	packet length (bytes)	1500 and 1024
B	data transmission speed (Gpbs)	0.25, 0.5, 1
$W k grant$	maximum transmission window	variable
fiber length		10−20 km

Tab.1 Symbol and parameters

Fig.3 Time cycle variation with number of ONUs

Fig.4 Bandwidth exploitation at various data transmission speed

Fig.5 Uplink efficiency at various data transmission speed

Fig.6 Overhead-to-data ratio at different data rates

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