{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11490251","patent":{"patent_number":"US-11490251","title":"System and method of secure ranging measurement","assignee":null,"inventors":[],"filing_date":"2018-07-09T00:00:00.000Z","publication_date":"2022-11-01T00:00:00.000Z","cpc_codes":["H04W","H04L","H04W","H04W","H04W","H04W","H04W"],"num_claims":17,"abstract":"Methods and apparatus for performing secure ranging measurements between wireless devices are disclosed herein according to embodiments of the present invention. The described embodiments use key values to indicate which LTF sequence (e.g., LTF measurement exchange) to use for performing wireless ranging measurements. A LTF sequence that is received by a wireless device that does not correspond with the associated key value is determined to be invalid. Invalid LTF sequences may be disregarded as signal noise."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"System and method of secure ranging measurement","description":"Methods and apparatus for performing secure ranging measurements between wireless devices are disclosed herein according to embodiments of the present invention. The described embodiments use key valu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11490251","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-11490251","citation_suggestion":"Patentable. \"System and method of secure ranging measurement\" (US-11490251). https://patentable.app/patents/US-11490251","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11490251","json":"https://patentable.app/api/llm-context/US-11490251","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:07:50.551Z"}