{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9787378","patent":{"patent_number":"US-9787378","title":"Terminal apparatus, base station apparatus, and method for sharing codebook in communication system","assignee":null,"inventors":[],"filing_date":"2014-01-27T00:00:00.000Z","publication_date":"2017-10-10T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04B","H04W","H04W"],"num_claims":12,"abstract":"A communication system, a terminal apparatus, a base station apparatus, and a method for sharing a codebook are provided that make it possible to improve system capacity by using precoding according to a cell environment. In a communication system in which beam directivity control is performed by precoding using a codebook that is common between a base station (10) and a terminal (20), the base station (10) notifies the terminal (20) information for codebook determination k including cell (11)-specific information on the base station, and the base station (10) and the terminal (20) generate the common codebook based on the information for codebook determination."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Terminal apparatus, base station apparatus, and method for sharing codebook in communication system","description":"A communication system, a terminal apparatus, a base station apparatus, and a method for sharing a codebook are provided that make it possible to improve system capacity by using precoding according t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9787378","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-9787378","citation_suggestion":"Patentable. \"Terminal apparatus, base station apparatus, and method for sharing codebook in communication system\" (US-9787378). https://patentable.app/patents/US-9787378","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9787378","json":"https://patentable.app/api/llm-context/US-9787378","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:15:28.240Z"}