{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9705539","patent":{"patent_number":"US-9705539","title":"Digital pre-distortion of non-linear systems with reduced bandwidth feedback","assignee":null,"inventors":[],"filing_date":"2014-01-15T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["H04B"],"num_claims":20,"abstract":"Embodiments of the invention provide a DPD system where the transmit reference signal is transformed, including sub-sampling, frequency translation, and the like, to match the feedback signal, which goes thru a similar transformation process, to obtain an error signal. The same transformation is applied to a system model, which may be Jacobian, Hessian, Gradient, or the like, in an adaptation algorithm to minimize error."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital pre-distortion of non-linear systems with reduced bandwidth feedback","description":"Embodiments of the invention provide a DPD system where the transmit reference signal is transformed, including sub-sampling, frequency translation, and the like, to match the feedback signal, which g","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9705539","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-9705539","citation_suggestion":"Patentable. \"Digital pre-distortion of non-linear systems with reduced bandwidth feedback\" (US-9705539). https://patentable.app/patents/US-9705539","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9705539","json":"https://patentable.app/api/llm-context/US-9705539","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:14:58.119Z"}