{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9628260","patent":{"patent_number":"US-9628260","title":"Control physical layer (PHY) data unit","assignee":null,"inventors":[],"filing_date":"2014-11-17T00:00:00.000Z","publication_date":"2017-04-18T00:00:00.000Z","cpc_codes":["H04L","H04B","H04W","H04B","H04L","H04L"],"num_claims":20,"abstract":"In a wireless communication system where communication devices exchange information utilizing physical layer (PHY) data units that conform to a first format, where the first format includes a short training field (STF) that includes exactly N repetitions of a spreading sequence, a method for generating a PHY data unit that conforms to a second format, where the second format has a longer STF than the first format, includes generating an STF of the PHY data unit that includes M instances of the spreading sequence, where M is greater than N, and generating a channel estimation field (CEF)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Control physical layer (PHY) data unit","description":"In a wireless communication system where communication devices exchange information utilizing physical layer (PHY) data units that conform to a first format, where the first format includes a short tr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9628260","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-9628260","citation_suggestion":"Patentable. \"Control physical layer (PHY) data unit\" (US-9628260). https://patentable.app/patents/US-9628260","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9628260","json":"https://patentable.app/api/llm-context/US-9628260","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:17:58.918Z"}