{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11522587","patent":{"patent_number":"US-11522587","title":"Method and device for channel state information feedback","assignee":null,"inventors":[],"filing_date":"2019-07-15T00:00:00.000Z","publication_date":"2022-12-06T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04L","H04B"],"num_claims":18,"abstract":"The present disclosure provides a method in a terminal device for Channel State Information, CSI, feedback. The method includes: determining, for each of a plurality of candidate ranks, a power offset between a CSI Reference Signal, CSI-RS, and a downlink data transmission; calculating, for each of the plurality of candidate ranks, a Signal-to-Noise Ratio, SNR, of the downlink data transmission based on the power offset determined for the corresponding candidate rank; selecting a rank from the plurality of candidate ranks based on the respective SNRs calculated for the plurality of candidate ranks; and transmitting a Rank Indicator, RI, indicating the selected rank to a network device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and device for channel state information feedback","description":"The present disclosure provides a method in a terminal device for Channel State Information, CSI, feedback. The method includes: determining, for each of a plurality of candidate ranks, a power offset","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11522587","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-11522587","citation_suggestion":"Patentable. \"Method and device for channel state information feedback\" (US-11522587). https://patentable.app/patents/US-11522587","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11522587","json":"https://patentable.app/api/llm-context/US-11522587","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:36:53.655Z"}