Ciena’s patent involves systems and methods for optimizing optical network performance by calculating incremental noise penalties for network elements. The technology improves Signal-to-Noise Ratio estimation and nonlinear interference calculations, enhancing accuracy for low loss spans and mixed fiber types. GlobalData’s report on Ciena gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Ciena, Data center optical networking was a key innovation area identified from patents. Ciena's grant share as of May 2024 was 45%. Grant share is based on the ratio of number of grants to total number of patents.
Optical network noise penalty estimation method
A recently granted patent (Publication Number: US12010468B2) discloses a computer-readable medium containing instructions that, when executed, enable processors to receive data for elements in an optical network and calibration data via a northbound interface. The processors then determine incremental noise penalties for each element based on the received data and calibration data, storing this information for future use. Additionally, the patent describes the calculation of Signal-to-Noise Ratio (SNR) across optical paths by combining incremental noise penalties for each element and corrections, allowing for real-time SNR determination and utilization as a cost metric in path computation.
Furthermore, the patent details the identification of network sections requiring maintenance or repair based on monitoring incremental noise penalties, emphasizing the importance of periodic performance monitoring and the utilization of stored noise penalties for various purposes like raising alarms and recomputing routes. The disclosed method also involves determining performance costs in routing algorithms and utilizing SNR to assess the viability of restoration routes or new channel routes. The patent extends to processing devices and methods that facilitate the efficient management and optimization of optical networks through the analysis and utilization of incremental noise penalties and SNR calculations.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
