{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488725","patent":{"patent_number":"US-8488725","title":"Method and system for spatial channel state information feedback based on a kronecker product","assignee":null,"inventors":[],"filing_date":"2011-01-05T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["H04L","H04B","H04B","H04L","H04L"],"num_claims":28,"abstract":"A spatial channel state information (CSI) feedback technique is incorporated into multiple-input multiple-output mobile communications technologies. Spatial channel state information is measured at receiving equipment and then decomposed into components. The components are then quantized using codebook(s) and fed back as multiple indices to transmitting equipment."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and system for spatial channel state information feedback based on a kronecker product","description":"A spatial channel state information (CSI) feedback technique is incorporated into multiple-input multiple-output mobile communications technologies. Spatial channel state information is measured at re","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488725","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-8488725","citation_suggestion":"Patentable. \"Method and system for spatial channel state information feedback based on a kronecker product\" (US-8488725). https://patentable.app/patents/US-8488725","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488725","json":"https://patentable.app/api/llm-context/US-8488725","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T17:38:41.099Z"}