H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/08 (2006.01) H04B 10/16 (2006.01)
Patent
CA 2572081
This invention provides a method for commissioning and upgrading an optical ring network using its internal amplifiers as Automatic Spontaneous Emission sources of light that are used in making measurements. A modular segmented approach is adopted and the network is commissioned segment by segment. A flexible method is used for upgrading a commissioned network by adding or deleting a node or changing the internal configuration of a node. The method uses techniques for the correction of the Optical Signal to Noise Ratio induced error as well as the Spectral Filtering Error during the loss computation required for adjusting the gains of the amplifiers at each network node to an appropriate value. Since the method does not require an external laser source that needs to be moved manually from node to node it greatly reduces the commissioning time. Since it uses only the components of the network itself and does not deploy any additional device it also leads to a significant saving in cost.
Bacque James Benson
Carpini Walter Joseph
de Rocher Jason
Macdonald Hamish Iain
Ng Eddie Kai Ho
Alcatel-Lucent Canada Inc.
Donnelly Victoria
Tropic Networks Inc.
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