{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10469237","patent":{"patent_number":"US-10469237","title":"Method and apparatus for feedback in multi-user multiple-input multiple-output (MU-MIMO) communication system","assignee":null,"inventors":[],"filing_date":"2017-09-25T00:00:00.000Z","publication_date":"2019-11-05T00:00:00.000Z","cpc_codes":["H04L","H04B","H04B","H04B","H04B","H04B","H04L","H04L","H04L","H04L","H04W","H04W","H04B","H04B","H04B","H04L","H04L"],"num_claims":9,"abstract":"Provided is a feedback method and apparatus in a multiple-input multiple-output (MIMO) communication system. A terminal may determine a preferred pre-coding matrix for a neighboring terminal, based on a reference rank determined by a base station and a preferred pre-coding matrix of the terminal. The terminal may calculate a channel quality indicator (CQI) based on the preferred precoding matrix for the neighboring terminal, and may feed the CQI back to the base station."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for feedback in multi-user multiple-input multiple-output (MU-MIMO) communication system","description":"Provided is a feedback method and apparatus in a multiple-input multiple-output (MIMO) communication system. A terminal may determine a preferred pre-coding matrix for a neighboring terminal, based on","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10469237","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-10469237","citation_suggestion":"Patentable. \"Method and apparatus for feedback in multi-user multiple-input multiple-output (MU-MIMO) communication system\" (US-10469237). https://patentable.app/patents/US-10469237","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10469237","json":"https://patentable.app/api/llm-context/US-10469237","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T09:14:32.453Z"}