{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9775049","patent":{"patent_number":"US-9775049","title":"Radio communication apparatus and interference detection method","assignee":null,"inventors":[],"filing_date":"2015-02-19T00:00:00.000Z","publication_date":"2017-09-26T00:00:00.000Z","cpc_codes":["H04W","H04B","H04B"],"num_claims":11,"abstract":"A radio communication apparatus includes a discrete Fourier transformer that performs a frequency-domain transform on each of a plurality of reception signals received at a plurality of receiver chains and generates a plurality of frequency-domain signals, a covariance matrix calculator that calculates covariance of the plurality of frequency-domain signals, a deviation calculator that calculates a cumulative value of covariance in a first frequency range and a second frequency range and calculates deviation of the covariance in the plurality of frequency ranges, and an adjacent-channel interference determiner that determines presence or absence of adjacent-channel interference using the cumulative value of the covariance."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Radio communication apparatus and interference detection method","description":"A radio communication apparatus includes a discrete Fourier transformer that performs a frequency-domain transform on each of a plurality of reception signals received at a plurality of receiver chain","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9775049","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-9775049","citation_suggestion":"Patentable. \"Radio communication apparatus and interference detection method\" (US-9775049). https://patentable.app/patents/US-9775049","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9775049","json":"https://patentable.app/api/llm-context/US-9775049","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:18:04.088Z"}