نتایج جستجو برای: passive optical networks

تعداد نتایج: 747976  

2016
Tomas Horvath Petr Munster Michal Jurcik Miloslav Filka

Passive optical networks are dominating access networks around the world due to its their economical aspect, bandwidth, and penetration. It is necessary to deal with specification of these networks. The article deals with a transmission convergence layer of a Gigabit passive optical network, especially the activation process for ONUs. When the blackout affects all ONUs in the network, all ONUs ...

Journal: :Computer Networks 1998
H. Bourdin Afonso Ferreira K. Marcus

Wavelength division multiplexing (WDM) allows the huge bandwidth of optical ber to be divided into several high-speed channels in optical passive star based networks. For such processor networks, most of the proposed architectures for interconnecting nodes are based on graph topologies. Recently, topologies based on the hypergraph theory have emerged, motivated by the observation that each mult...

2008
T. ORPHANOUDAKIS H.-C. LELIGOU J. D. ANGELOPOULOS

Recently both ITU and IEEE have standardized solutions for Passive Optical Networks operating at gigabit per second line rates and optimized for the transport of packet-based traffic to improve the efficiency of previously standardized broadband PONs, which were based on ATM. The efficiency and performance of PON systems, depends mainly on the implemented medium access protocol. The latter is n...

2015
Alejandro Arbelaez Deepak Mehta Barry O'Sullivan

Mass deployment of fibre access networks is without doubt one of the goals of many network operators around the globe. The Passive Optical Network has been proposed as a solution to help deliver mass deployment of fibre-to-the-home (FTTH), by reducing the cost per customer compared to current commercially available technologies. A major failure in the access network (e.g., fibre cut, amplifier ...

2012
Jitender kumar Manoj Arora R. S. Chauhan

In this paper we have studied the Wave length division multiplexing in Passive Optical network using software OPTSIM. We transmit the signal at 10gb/s in MAN Optical network With long Distance(50 km) also minimize the bit error rate. The main aim of the proposed design is to build a MAN optical network using ten-gigabit Ethernet technique, and what are the necessary requirements to build these ...

Journal: :Advances in Electrical and Electronic Engineering 2013

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