{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9647739","patent":{"patent_number":"US-9647739","title":"Method and device for acquiring channel information","assignee":null,"inventors":[],"filing_date":"2014-05-20T00:00:00.000Z","publication_date":"2017-05-09T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04L","H04L","H04L","H04L"],"num_claims":21,"abstract":"The present disclosure discloses a method and device for acquiring channel information, and relates to a massive antenna array transmission technology. The method includes that: a receiving side acquires indexes L of M antennae which send reference signals in N antennae of a sending side; channel information Y between the M antennae and a receiving antenna of the receiving side is acquired; a unitary matrix W with a dimension of N×N is acquired; and an estimate S′ of channel information S between the N antennae of the sending side and the receiving antenna of the receiving side is determined by virtue of the indexes L, the unitary matrix W and the channel information Y."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and device for acquiring channel information","description":"The present disclosure discloses a method and device for acquiring channel information, and relates to a massive antenna array transmission technology. The method includes that: a receiving side acqui","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9647739","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-9647739","citation_suggestion":"Patentable. \"Method and device for acquiring channel information\" (US-9647739). https://patentable.app/patents/US-9647739","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9647739","json":"https://patentable.app/api/llm-context/US-9647739","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:19:56.994Z"}