{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9686005","patent":{"patent_number":"US-9686005","title":"Method and apparatus for feeding back channel estimation in multi-input multi-output system","assignee":null,"inventors":[],"filing_date":"2014-01-29T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04B","H04B","H04L","H04L","H04L","H04L","H04L","H04W"],"num_claims":20,"abstract":"Disclosed are a method and an apparatus for feeding back channel estimation in a MIMO system. A terminal receives a reference signal for estimating a channel from a base station; estimates the channel based on the reference signal; generates channel estimation information according to the channel estimation result and generates error information indicating an error of the channel estimation; and transmits feedback information including the channel estimation information and the error information to the base station."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for feeding back channel estimation in multi-input multi-output system","description":"Disclosed are a method and an apparatus for feeding back channel estimation in a MIMO system. A terminal receives a reference signal for estimating a channel from a base station; estimates the channel","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9686005","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-9686005","citation_suggestion":"Patentable. \"Method and apparatus for feeding back channel estimation in multi-input multi-output system\" (US-9686005). https://patentable.app/patents/US-9686005","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9686005","json":"https://patentable.app/api/llm-context/US-9686005","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T03:52:48.228Z"}