{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11476904","patent":{"patent_number":"US-11476904","title":"Channel sounding in hybrid massive MIMO arrays","assignee":null,"inventors":[],"filing_date":"2019-08-08T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04L","H04L","H04B"],"num_claims":20,"abstract":"A method involving a MIMO communications system including a phased array antenna for establishing communication with a terminal located within a domain, the method including: defining a plurality of sub-domains within the domain; for each sub-domain, defining a corresponding set of analog phase weights to be applied to the phased array antenna for directing beams towards that sub-domain; in succession, selecting each sub-domain among the plurality of sub-domains and for each selected sub-domain: (a) applying the set of analog phase weights for that selected sub-domain to the phased array antenna; (b) performing channel sounding with the terminal while that sub-domain is selected; and (c) receiving feedback from the terminal for that selected sub-domain; and after selecting all sub-domains and from the received feedback, identifying a best sub-domain and identifying a best precoding matrix that in combination with the best sub-domain provides a best communication channel for the terminal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Channel sounding in hybrid massive MIMO arrays","description":"A method involving a MIMO communications system including a phased array antenna for establishing communication with a terminal located within a domain, the method including: defining a plurality of s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11476904","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-11476904","citation_suggestion":"Patentable. \"Channel sounding in hybrid massive MIMO arrays\" (US-11476904). https://patentable.app/patents/US-11476904","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11476904","json":"https://patentable.app/api/llm-context/US-11476904","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:05:20.945Z"}