{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11996910","patent":{"patent_number":"US-11996910","title":"Doppler codebook-based precoding and CSI reporting for wireless communications systems","assignee":null,"inventors":[],"filing_date":"2021-03-10T00:00:00.000Z","publication_date":"2024-05-28T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04B","H04B"],"num_claims":19,"abstract":"A communication device providing CSI feedback in a wireless communication system includes a transceiver to receive downlink reference signals and downlink signals including a reference signal configuration. A processor estimates an explicit CSI in the frequency domain. The processor selects a Doppler-delay-beam precoder matrix for a composite Doppler-delay-beam three-stage precoder, which is based on one or more codebooks including      "},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Doppler codebook-based precoding and CSI reporting for wireless communications systems","description":"A communication device providing CSI feedback in a wireless communication system includes a transceiver to receive downlink reference signals and downlink signals including a reference signal configur","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11996910","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-11996910","citation_suggestion":"Patentable. \"Doppler codebook-based precoding and CSI reporting for wireless communications systems\" (US-11996910). https://patentable.app/patents/US-11996910","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11996910","json":"https://patentable.app/api/llm-context/US-11996910","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T09:46:00.033Z"}