MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202511059485 A) filed by Indraprastha Institute Of Information Technology, New Delhi, on June 20, 2025, for 'a system for proactive localization of faulty optical amplifiers in c+l-band wdm optical networks.'
Inventor(s) include Abhijit Mitra; Rana Kumar Jana; Anand Srivastava; Parthasarathi Palai; Sowmendran P; and Sai Krishna S.
The application for the patent was published on Jan. 23, under issue no. 04/2026.
According to the abstract released by the Intellectual Property India: "Disclosed herein is a system (100) for proactive localization of faulty optical amplifiers in C+L-band wavelength division multiplexing (WDM) optical networks. The system (100) comprising: a plurality of optical performance monitoring (OPM) equipment (102) positioned as nodes, within a data plane (104) of the optical network for measuring optical signal-to-noise ratio (OSNR). The system (100) comprising a network management plane (106) configured to receive and process optical signal-to-noise ratio (OSNR) measurements. The system (100) comprising a chain of testing network (108) configured to form a light path and generate first dataset. The system (100) comprising an optical signal-to-noise ratio (OSNR) estimator (110) configured to estimate optical signal-to-noise ratio (OSNR) using a plurality of input parameters. The system (100) comprising a fault classifier module (112) configured to detect and classify degradation in optical signal-to-noise ratio (OSNR) using parameters comprising current optical signal-to-noise ratio (OSNR) value and rate of degradation."
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