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Because of its high transmission rate, Time and Wavelength Division Multiplexed Passive Optical Network (TWDM-PON) has become a particular research topic. Due to the wavelength flexibility and multiple user's access, it becomes necessary and imperative to consider the fairness between all the Optical Network Units (ONUs) so that we can improve the quality of service of the users. This fairness includes...
In Ethernet passive optical network (EPON), the distance between optical network units (ONUs) and optical line terminal (OLTs) is in a large range of changes. Only dividing ONUs into a network according to locations will influence the user's QoS. In view of this situation, this paper puts forward a planning strategy of ONUs clustering. We first consider the economy, network delay and network reliability,...
In ethernet passive optical network (EPON), the distance between optical network units (ONUs) and optical line terminal (OLTs) is in a large range of changes. Only dividing ONUs into a network according to locations will influence the user's QoS. In view of this situation, this paper puts forward a planning strategy of ONUs clustering. We first consider the economy, network delay and network reliability,...
Using Ethernet in fronthaul can achieve statistical multiplexing gains based on the new function split. When TWDM-PON is used in Ethernet based fronthaul network, the large granularity of bandwidth requirements and the diversified service types will lead to the bandwidth fragmentation in OLT pooling. To solve this challenge, we develop a mathematical model by establishing the 0–1 relationship matrix...
Traditional intelligent substation communication network has the problem in large transmission delay and delay jitter. This paper studied service isolation and low delay technology as the key technologies of EPON communication network for new intelligent substation. We built the experimental network and tested the performances of various services under different load conditions, the results verified...
Aiming at the characteristics of large scale, huge load and different service requirements of the ethernet passive optical network (EPON), a new networking strategy, grouping management of optical network units (ONU), is proposed. In this paper, we first consider the economy, network delay and load balance, and establish the cost model, the load balance model and the network delay model. Secondly,...
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