{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9712349","patent":{"patent_number":"US-9712349","title":"FFE-aided CDR to calibrate phase offset and enhance gain in baud rate sampling phase detector","assignee":null,"inventors":[],"filing_date":"2016-03-16T00:00:00.000Z","publication_date":"2017-07-18T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L"],"num_claims":16,"abstract":"A system and method for Feed Forward. Equalizer (FFE)-Aided Clock Data Recovery (CDR) to calibrate phase offset and enhance gain in baud rate sampling phase detector is provided. In an embodiment, a clock data recovery (CDR) apparatus includes an incremental feed forward equalizer (INC-FFE) in a CDR path and a calibration component in an equalization path, the calibration component connected to the INC-FFE, the calibration component configured to adjust FFE coefficients for the INC-FFE according to a phase code (PC) index in a PC index table and one of a signal-to-noise-ratio (SNR) and a bit error rate (BER) of a sampled signal, wherein the PC index table comprises adjustment values for the FFE coefficients, and wherein the PC index is linearly related to a sampling phase."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"FFE-aided CDR to calibrate phase offset and enhance gain in baud rate sampling phase detector","description":"A system and method for Feed Forward. Equalizer (FFE)-Aided Clock Data Recovery (CDR) to calibrate phase offset and enhance gain in baud rate sampling phase detector is provided. In an embodiment, a c","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9712349","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-9712349","citation_suggestion":"Patentable. \"FFE-aided CDR to calibrate phase offset and enhance gain in baud rate sampling phase detector\" (US-9712349). https://patentable.app/patents/US-9712349","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9712349","json":"https://patentable.app/api/llm-context/US-9712349","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:18:55.144Z"}