{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9692548","patent":{"patent_number":"US-9692548","title":"Techniques for blind equalization of high-order quadrature amplitude modulation signals","assignee":null,"inventors":[],"filing_date":"2015-03-18T00:00:00.000Z","publication_date":"2017-06-27T00:00:00.000Z","cpc_codes":["H04J","H04B","H04B","H04B","H04B","H04L","H04L"],"num_claims":15,"abstract":"A blind equalization technique of high-order QAM signals is provided. A method implemented at a receiver-side in an optical communication network receives an optical signal and performs a two-step polarization tracking process on the received optical signal. Using another method, a polarization multiplexed optical transmission is received by a receiver and a polarization tracking process is performed by applying two different algorithms in parallel. One algorithm may be a decision directed least means square (DD-LMS) algorithm. Another algorithm may be a constant modulus algorithm (CMA)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Techniques for blind equalization of high-order quadrature amplitude modulation signals","description":"A blind equalization technique of high-order QAM signals is provided. A method implemented at a receiver-side in an optical communication network receives an optical signal and performs a two-step pol","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9692548","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-9692548","citation_suggestion":"Patentable. \"Techniques for blind equalization of high-order quadrature amplitude modulation signals\" (US-9692548). https://patentable.app/patents/US-9692548","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9692548","json":"https://patentable.app/api/llm-context/US-9692548","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T17:29:09.442Z"}