{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11493594","patent":{"patent_number":"US-11493594","title":"Method and apparatus for TDOA wireless positioning using destructive interference of multiple anchor nodes","assignee":null,"inventors":[],"filing_date":"2021-01-21T00:00:00.000Z","publication_date":"2022-11-08T00:00:00.000Z","cpc_codes":["G01S","G01S","G01S","G01S","G01S","G01S"],"num_claims":8,"abstract":"The present invention relates to a method and apparatus for TDOA wireless positioning, has an effect of reducing positioning errors by reducing TDOA errors using destructive interference of multiple anchor nodes by dividing four or more anchor nodes into sets of three or more anchor nodes and by estimating a position of a tag node using TDOA of each set, and has an advantage of reducing the size and weight of the tag node since separate hardware is not required."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for TDOA wireless positioning using destructive interference of multiple anchor nodes","description":"The present invention relates to a method and apparatus for TDOA wireless positioning, has an effect of reducing positioning errors by reducing TDOA errors using destructive interference of multiple a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11493594","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-11493594","citation_suggestion":"Patentable. \"Method and apparatus for TDOA wireless positioning using destructive interference of multiple anchor nodes\" (US-11493594). https://patentable.app/patents/US-11493594","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11493594","json":"https://patentable.app/api/llm-context/US-11493594","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:15:50.579Z"}