{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8509102","patent":{"patent_number":"US-8509102","title":"Threshold determination in TDOA-based positioning system","assignee":null,"inventors":[],"filing_date":"2010-02-24T00:00:00.000Z","publication_date":"2013-08-13T00:00:00.000Z","cpc_codes":["H04W","G01S","G01S","H04W"],"num_claims":13,"abstract":"A method in a wireless communication terminal including receiving a signal comprising at least a Positioning Reference Signal (PRS) transmission from a serving cell and a PRS transmission from a neighbor cell, estimating a signal quality metric (SQM) based on the PRS transmission from the neighbor cell, estimating a time difference of arrival (TDOA) measurement for the neighbor cell based on the PRS transmissions, determining if the estimated SQM satisfies a criterion, and sending a report to the serving cell that includes at least the estimated TDOA if the criterion is satisfied."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Threshold determination in TDOA-based positioning system","description":"A method in a wireless communication terminal including receiving a signal comprising at least a Positioning Reference Signal (PRS) transmission from a serving cell and a PRS transmission from a neigh","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8509102","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-8509102","citation_suggestion":"Patentable. \"Threshold determination in TDOA-based positioning system\" (US-8509102). https://patentable.app/patents/US-8509102","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8509102","json":"https://patentable.app/api/llm-context/US-8509102","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T17:42:43.534Z"}