{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11943170","patent":{"patent_number":"US-11943170","title":"Null data packet announcement frame transmission method and related apparatus","assignee":null,"inventors":[],"filing_date":"2023-08-04T00:00:00.000Z","publication_date":"2024-03-26T00:00:00.000Z","cpc_codes":["H04L","H04W","H04L","H04B","H04W","H04W","H04W"],"num_claims":20,"abstract":"A method includes: An access point generates an NDPA frame, where the NDPA frame includes a station information field, and the station information field includes an AID subfield indicating an association identifier AID of a station; the station information field further includes a partial bandwidth information subfield; the partial bandwidth information subfield indicates an RU that is in a bandwidth corresponding to the NDPA frame and for which the station needs to feed back channel state information; and the bandwidth corresponding to the NDPA frame is greater than 160 MHz. The access point transmits the NDPA frame."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Null data packet announcement frame transmission method and related apparatus","description":"A method includes: An access point generates an NDPA frame, where the NDPA frame includes a station information field, and the station information field includes an AID subfield indicating an associat","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11943170","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-11943170","citation_suggestion":"Patentable. \"Null data packet announcement frame transmission method and related apparatus\" (US-11943170). https://patentable.app/patents/US-11943170","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11943170","json":"https://patentable.app/api/llm-context/US-11943170","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T12:47:38.604Z"}