{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8526831","patent":{"patent_number":"US-8526831","title":"Receiver algorithms for coherent detection of polarization-multiplexed optical signals","assignee":null,"inventors":[],"filing_date":"2009-12-18T00:00:00.000Z","publication_date":"2013-09-03T00:00:00.000Z","cpc_codes":["H04J","H04B"],"num_claims":19,"abstract":"A digital signal processor (DSP) operating within, for example, an optical receiver wherein the DSP processes complex sample streams derived from a received modulated optical signal, the DSP configured to perform a method comprising: processing at least one block of symbols within a complex symbol stream to define a received constellation having symbols located within decision boundaries; and verifying that the received constellation does not exhibit errors by comparing the received constellation to each of a sequence of reference constellations having corresponding phase shifts within an angular ambiguity range of the first constellation."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Receiver algorithms for coherent detection of polarization-multiplexed optical signals","description":"A digital signal processor (DSP) operating within, for example, an optical receiver wherein the DSP processes complex sample streams derived from a received modulated optical signal, the DSP configure","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8526831","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-8526831","citation_suggestion":"Patentable. \"Receiver algorithms for coherent detection of polarization-multiplexed optical signals\" (US-8526831). https://patentable.app/patents/US-8526831","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8526831","json":"https://patentable.app/api/llm-context/US-8526831","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:58:23.725Z"}