{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9634748","patent":{"patent_number":"US-9634748","title":"Method and apparatus for determining precoding matrix indicator, user equipment, and base station","assignee":null,"inventors":[],"filing_date":"2015-12-29T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04L","H04W","H04W","H04J"],"num_claims":12,"abstract":"A method and an apparatus determine a precoding matrix indicator user equipment and a base station. The method includes: determining a precoding matrix indicator PMI where the PMI corresponds to a precoding matrix W, and the precoding matrix W satisfies a first condition, a second condition or a third condition; and sending the PMI to a base station. Embodiments of the present invention further provide a corresponding apparatus, and the corresponding user equipment and base station. Technical solutions provided in the embodiments of the present invention can effectively control a beam, especially a beam shape and a beam orientation, in a horizontal direction and a perpendicular direction."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for determining precoding matrix indicator, user equipment, and base station","description":"A method and an apparatus determine a precoding matrix indicator user equipment and a base station. The method includes: determining a precoding matrix indicator PMI where the PMI corresponds to a pre","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9634748","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-9634748","citation_suggestion":"Patentable. \"Method and apparatus for determining precoding matrix indicator, user equipment, and base station\" (US-9634748). https://patentable.app/patents/US-9634748","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9634748","json":"https://patentable.app/api/llm-context/US-9634748","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:18:20.676Z"}