{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8515357","patent":{"patent_number":"US-8515357","title":"Cognitive radio communication system recognizing interference based on known signal","assignee":null,"inventors":[],"filing_date":"2009-01-06T00:00:00.000Z","publication_date":"2013-08-20T00:00:00.000Z","cpc_codes":["H04W","H04W"],"num_claims":17,"abstract":"A cognitive radio (CR) communication apparatus and method is provided. A cognitive radio (CR) communication apparatus includes a signal receiving unit which receives signals from a primary user of a primary system and a secondary transmitter of a secondary system, the received signals including an element associated with at least one known signal of the secondary transmitter, and a determination unit which determines whether a signal of the primary user exists from among the received signals based on the element associated with the at least one known signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Cognitive radio communication system recognizing interference based on known signal","description":"A cognitive radio (CR) communication apparatus and method is provided. A cognitive radio (CR) communication apparatus includes a signal receiving unit which receives signals from a primary user of a p","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8515357","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-8515357","citation_suggestion":"Patentable. \"Cognitive radio communication system recognizing interference based on known signal\" (US-8515357). https://patentable.app/patents/US-8515357","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8515357","json":"https://patentable.app/api/llm-context/US-8515357","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:36:42.697Z"}