{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8467469","patent":{"patent_number":"US-8467469","title":"Method and user equipment for transmitting precoding matrix information, and method and base station for configuring precoding matrix","assignee":null,"inventors":[],"filing_date":"2011-03-07T00:00:00.000Z","publication_date":"2013-06-18T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04B","H04B"],"num_claims":20,"abstract":"An apparatus and method for a precoding matrix are disclosed. A codebook used for selecting a precoding matrix is comprised of m subgroups each including n precoding matrices. A user equipment indicates a specific precoding matrix selected from the codebook by transmitting to a base station a first codebook index indicating one of the m subgroups and a second codebook index indicating one of n precoding matrices in a subgroup. The base station configures the specific precoding matrix from the codebook based on the first and second codebook indexes."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and user equipment for transmitting precoding matrix information, and method and base station for configuring precoding matrix","description":"An apparatus and method for a precoding matrix are disclosed. A codebook used for selecting a precoding matrix is comprised of m subgroups each including n precoding matrices. A user equipment indicat","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8467469","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-8467469","citation_suggestion":"Patentable. \"Method and user equipment for transmitting precoding matrix information, and method and base station for configuring precoding matrix\" (US-8467469). https://patentable.app/patents/US-8467469","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8467469","json":"https://patentable.app/api/llm-context/US-8467469","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:06:49.179Z"}