{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9716604","patent":{"patent_number":"US-9716604","title":"Method and apparatus for efficient precoding information validation for MIMO communications","assignee":null,"inventors":[],"filing_date":"2008-04-21T00:00:00.000Z","publication_date":"2017-07-25T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":8,"abstract":"A method and apparatus for efficient precoding matrix verification in a multiple-input multiple-output MIMO wireless communication system are disclosed. A wireless transmit/receive unit WTRU sends a precoding matrix index PMI to an eNodeB. The eNodeB sends a verification message including a PMI indicator indicating whether or not the PMI of the WTRU and a PMI of the eNodeB are identical. If the PMI of the WTRU and of the eNodeB are identical, the eNodeB sends just a PMI indicator otherwise the eNodeB sends to the WTRU a PMI indicator and the PMI of the eNodeB. A plurality of PMIs may be sent simultaneously, and the PMIs may be partitioned into a plurality of groups. The PMI indicator may be either attached to or inserted into control signaling. PMI validation messages can be signaled to WTRU by control signaling or use of a dedicated reference signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for efficient precoding information validation for MIMO communications","description":"A method and apparatus for efficient precoding matrix verification in a multiple-input multiple-output MIMO wireless communication system are disclosed. A wireless transmit/receive unit WTRU sends a p","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9716604","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-9716604","citation_suggestion":"Patentable. \"Method and apparatus for efficient precoding information validation for MIMO communications\" (US-9716604). https://patentable.app/patents/US-9716604","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9716604","json":"https://patentable.app/api/llm-context/US-9716604","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:03:58.535Z"}