{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9654228","patent":{"patent_number":"US-9654228","title":"Signal reception processing apparatus and method for processing received signal","assignee":null,"inventors":[],"filing_date":"2015-10-19T00:00:00.000Z","publication_date":"2017-05-16T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04L"],"num_claims":20,"abstract":"A signal reception processing apparatus includes a digital signal processing unit that calculates a first Q value based on distribution of the symbols of the demodulated signal and distance between the symbols of the demodulated signal, and an error correction unit that outputs corrected signal as a demodulation electric signal, and calculates a second Q value based on an error rate at the time of the correction, and a control unit that calculates a penalty that indicates degradation quantity of signal quality caused by a nonlinear optical effect of an optical fiber based on the first Q value and the second Q value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Signal reception processing apparatus and method for processing received signal","description":"A signal reception processing apparatus includes a digital signal processing unit that calculates a first Q value based on distribution of the symbols of the demodulated signal and distance between th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9654228","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-9654228","citation_suggestion":"Patentable. \"Signal reception processing apparatus and method for processing received signal\" (US-9654228). https://patentable.app/patents/US-9654228","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9654228","json":"https://patentable.app/api/llm-context/US-9654228","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:41:38.061Z"}