Frontier Communications Parent has patented a system for identifying sources of degradation within a passive optical network (PON) by comparing drifts over time of optical profiles of different segments. The system can pinpoint issues to specific components like the OLT or last mile termination unit. GlobalData’s report on Frontier Communications Parent 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 Frontier Communications Parent, Passive optical networks was a key innovation area identified from patents. Frontier Communications Parent's grant share as of January 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Identifying sources of degradations in passive optical networks
A recently granted patent (Publication Number: US11863919B1) discloses a system for identifying the source of degradation within a passive optical network (PON). The system includes processors and memories storing computer-executable instructions that detect whether an optical line terminal (OLT) or a first optical fiber is the source of degradation based on differences in optical profiles within the PON. If the differences are within predefined tolerances, the system identifies the source as the OLT; otherwise, it identifies the last mile termination unit or a second optical fiber. The system provides an indication of the detected source to a recipient application or device, aiding in efficient troubleshooting and maintenance of the PON.
Furthermore, the system can determine the optical profile of a segment based on characteristics of optical signals, such as attenuation or changes in frequencies or power outputs. It can also predict a time-to-failure of the detected source of degradation, enhancing proactive maintenance strategies. The method can be executed by processors on servers within the PON or on portable computing devices associated with the network, ensuring flexibility and accessibility in implementing the identification process. By utilizing historical and current optical profiles, the system enables accurate detection of degradation sources, contributing to the overall reliability and performance of the passive optical network infrastructure.
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