{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11984928","patent":{"patent_number":"US-11984928","title":"Chromatic dispersion estimation method for coherent optical network","assignee":null,"inventors":[],"filing_date":"2022-01-26T00:00:00.000Z","publication_date":"2024-05-14T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B"],"num_claims":10,"abstract":"A method for estimating a chromatic dispersion of an optical-fiber channel is disclosed includes receiving, via the optical-fiber channel, a chromatically-dispersed signal having a symbol rate 1/T. The method also includes, for each chromatic-dispersion value of a plurality of chromatic-dispersion values, determining a respective clock-tone magnitude by: (i) applying, to the chromatically-dispersed signal or a signal derived therefrom, a chromatic dispersion equal to the chromatic-dispersion value to generate a dispersion-compensated signal, and (ii) extracting the clock-tone magnitude from at least one of a positive-frequency clock-tone and a negative-frequency clock-tone of the dispersion-compensated signal, the positive-frequency clock-tone and the negative-frequency clock-tone being spectral components of the dispersion-compensated signal at temporal frequencies 1/T or −1/T respectively. The method also includes determining a maximum of the extracted clock-tone magnitudes. The estimated chromatic dispersion is the chromatic-dispersion value, of the plurality of chromatic-dispersion values, corresponding to the maximum extracted clock-tone magnitude."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Chromatic dispersion estimation method for coherent optical network","description":"A method for estimating a chromatic dispersion of an optical-fiber channel is disclosed includes receiving, via the optical-fiber channel, a chromatically-dispersed signal having a symbol rate 1/T. Th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11984928","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11984928","citation_suggestion":"Patentable. \"Chromatic dispersion estimation method for coherent optical network\" (US-11984928). https://patentable.app/patents/US-11984928","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11984928","json":"https://patentable.app/api/llm-context/US-11984928","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T13:44:37.902Z"}