{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9838096","patent":{"patent_number":"US-9838096","title":"Method and apparatus for measuring and feeding back channel information","assignee":null,"inventors":[],"filing_date":"2016-11-15T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B"],"num_claims":24,"abstract":"A method for measuring and feeding back channel information and a corresponding apparatus are provided. A first network device receives a reference signal, measures the reference signal to obtain a measurement result, and selects a first codebook from a first codebook set according to the measurement result; for different sub-vectors Wx (1) and Wx (2), a location of a non-zero vector in the Wx (1) is the same as a location of a non-zero vector in the Wx (2); and formation according to different structures is: for different sub-vectors Wx (1) and Wx (2), a location of a non-zero vector in the Wx (1) is different from a location of a non-zero vector in the Wx (2); and the first network device sends a codebook index to a second network device, where the codebook index corresponds to the first codebook selected from the first codebook set."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for measuring and feeding back channel information","description":"A method for measuring and feeding back channel information and a corresponding apparatus are provided. A first network device receives a reference signal, measures the reference signal to obtain a me","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9838096","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-9838096","citation_suggestion":"Patentable. \"Method and apparatus for measuring and feeding back channel information\" (US-9838096). https://patentable.app/patents/US-9838096","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9838096","json":"https://patentable.app/api/llm-context/US-9838096","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:33:09.104Z"}