Upstream Traffic Analysis in Passive Optical Networks

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Abstract


Nowadays, access network evaluation is being conducted in both directions, such as high bit rate access development for providing high quality of service and decrease length of cooper wiring in local line networks. Rapidly developing passive optical network (PON) technology is a future optical technology that enables high-speed data transfer of multiservice traffic using optical fibers. The distribution network of the technology uses passive optical splitter/combiner. There are several advantages, such as cost duration of the access system, volume reduction of the network control, long transmitting distance and no need for the following network upgrade. The use of a classical Erlang multiservice model for the modeling of a PON is restricted due to a specific functioning process of the optical network units (ONUs). In the present paper, we propose an upstream traffic multiservice model considering the functioning process of ONUs. The functioning of an ONU is modeled by the step Markov process with the transition rate of each ONU ON to OFF-state and vice versa. These results are used in the blocking probability analysis of the model.

G P Basharin

Peoples’ Friendship University of Russia

Email: gbasharin@sci.pfu.edu.ru
Telecommunication Systems Department

N V Rusina

Peoples’ Friendship University of Russia

Email: rusina_nadezda@inbox.ru
Telecommunication Systems Department

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Copyright (c) 2014 Башарин Г.П., Русина Н.В.

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