{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9591640","patent":{"patent_number":"US-9591640","title":"Method and device for performing channel access in WLAN system","assignee":null,"inventors":[],"filing_date":"2013-08-05T00:00:00.000Z","publication_date":"2017-03-07T00:00:00.000Z","cpc_codes":["H04W","H04B","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04L","H04W","H04W"],"num_claims":12,"abstract":"An embodiment of the present invention provides a method for performing channel access at an STA of a multiuser (MU) group in a wireless communication system, including receiving a resource assignment frame; and checking a group indicator field included in the resource assignment frame, wherein, if the group indicator field indicates that a slot assignment field for the MU group is present in the resource assignment frame, the STA determines a slot start offset based on the slot assignment field."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and device for performing channel access in WLAN system","description":"An embodiment of the present invention provides a method for performing channel access at an STA of a multiuser (MU) group in a wireless communication system, including receiving a resource assignment","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9591640","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-9591640","citation_suggestion":"Patentable. \"Method and device for performing channel access in WLAN system\" (US-9591640). https://patentable.app/patents/US-9591640","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9591640","json":"https://patentable.app/api/llm-context/US-9591640","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:22:41.820Z"}