{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9781584","patent":{"patent_number":"US-9781584","title":"Distance estimation method, transmission power control method, user apparatus, and base station","assignee":null,"inventors":[],"filing_date":"2014-02-04T00:00:00.000Z","publication_date":"2017-10-03T00:00:00.000Z","cpc_codes":["H04W","G01S","H04W","H04W","H04W","H04W","H04W","H04W","H04W","H04W"],"num_claims":10,"abstract":"A distance estimation method for, by causing a first user apparatus to receive a discovery signal from a second user apparatus, estimating a distance between the first user apparatus and the second user apparatus is provided. The distance estimation method includes a step of receiving from the second user apparatus the discovery signal including transmission power information of the discovery signal, a step of obtaining the transmission power information from the discovery signal, and a step of estimating the distance between the first user apparatus and the second user apparatus from receive power information of the discovery signal at the first user apparatus and the transmission power information."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Distance estimation method, transmission power control method, user apparatus, and base station","description":"A distance estimation method for, by causing a first user apparatus to receive a discovery signal from a second user apparatus, estimating a distance between the first user apparatus and the second us","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9781584","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-9781584","citation_suggestion":"Patentable. \"Distance estimation method, transmission power control method, user apparatus, and base station\" (US-9781584). https://patentable.app/patents/US-9781584","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9781584","json":"https://patentable.app/api/llm-context/US-9781584","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:18:48.282Z"}