{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9651659","patent":{"patent_number":"US-9651659","title":"Methods and systems for determining vehicle position in an automatic vehicle identification system","assignee":null,"inventors":[],"filing_date":"2014-08-11T00:00:00.000Z","publication_date":"2017-05-16T00:00:00.000Z","cpc_codes":["G01S","G01S","G08G","G08G","G08G"],"num_claims":27,"abstract":"Methods of estimating vehicle location in a roadway using an automatic vehicle identification system are described. The methods involve receiving a set of response signals from a vehicle-mounted transponder at points in time and determining a range rate of the transponder relative to the antenna at each point in time; identifying a minima in the magnitude of the range rate; estimating a first position of the transponder at a first time corresponding to the occurrence of the minima; estimating a velocity of the vehicle based upon one or more of the determined range rates; and estimating a second position of the transponder based upon the first position and the velocity."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods and systems for determining vehicle position in an automatic vehicle identification system","description":"Methods of estimating vehicle location in a roadway using an automatic vehicle identification system are described. The methods involve receiving a set of response signals from a vehicle-mounted trans","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9651659","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-9651659","citation_suggestion":"Patentable. \"Methods and systems for determining vehicle position in an automatic vehicle identification system\" (US-9651659). https://patentable.app/patents/US-9651659","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9651659","json":"https://patentable.app/api/llm-context/US-9651659","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:21:17.167Z"}