Protection of Passive Optical Networks by Using Ring Topology and Tunable Splitters

In this paper, the author proposes an innovative method for protecting of Passive Optical Networks (PONs), especially the central optical unit - Optical Line Termination (OLT). PON networks are typically used in modern high-speed access networks, but there are also several specific applications, such as in business, army or science sector, which require a complex protection and backup system against failures and malfunctions. A standard tree or star topologies, which are usually used for PON networks, are significantly vulnerable mainly against the malfunctions and failures of OLT unit or feeder optical cable.

Provided by: The International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems Topic: Mobility Date Added: Jan 2013 Format: PDF

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