{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10491275","patent":{"patent_number":"US-10491275","title":"Codebook based signal transmission/reception method in multi-antenna wireless communication system and apparatus therefor","assignee":null,"inventors":[],"filing_date":"2018-08-06T00:00:00.000Z","publication_date":"2019-11-26T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04B"],"num_claims":12,"abstract":"A method for transmitting/receiving signals by a UE based on a codebook in a multi-antenna wireless communication system according to an aspect of the present invention includes: receiving a channel state information reference signal (CSI-RS) from a base station through multiple antenna ports; and reporting channel state information to the base station, wherein the channel state information includes a precoding matrix indicator (PMI) for indicating a specific code vector among a plurality of code vectors included in the codebook, wherein elements included in each code vector included in the codebook are selected from elements of a predetermined circular vector using an azimuth angle of the UE with respect to the base station and an oversampling factor."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Codebook based signal transmission/reception method in multi-antenna wireless communication system and apparatus therefor","description":"A method for transmitting/receiving signals by a UE based on a codebook in a multi-antenna wireless communication system according to an aspect of the present invention includes: receiving a channel s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10491275","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-10491275","citation_suggestion":"Patentable. \"Codebook based signal transmission/reception method in multi-antenna wireless communication system and apparatus therefor\" (US-10491275). https://patentable.app/patents/US-10491275","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10491275","json":"https://patentable.app/api/llm-context/US-10491275","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:53:52.056Z"}