{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9756657","patent":{"patent_number":"US-9756657","title":"Wireless network signal to interference plus noise ratio estimation for a random access channel","assignee":null,"inventors":[],"filing_date":"2014-07-18T00:00:00.000Z","publication_date":"2017-09-05T00:00:00.000Z","cpc_codes":["H04W","H04B","H04J","H04L","H04L","H04W","H04W","H04W","H04W","H04W"],"num_claims":19,"abstract":"A wireless device includes a preamble detector configured to identify a plurality of preambles transmitted via a random access channel of a wireless network. The preamble detector includes a noise floor estimator. The noise floor estimator is configured to: estimate, for a given preamble root sequence identified by the preamble detector, a noise floor value as mean energy of received signal samples, excluding detected preamble samples on the give preamble root sequence, below a noise floor threshold assigned to the given preamble root sequence. The noise floor estimator is configured to compute the noise floor threshold as a product of: average energy of the received signal samples less total signal energy contained in each cyclic prefix window in which a preamble is detected using the given preamble root sequence; and a predetermined normalized relative noise floor threshold based on a target false preamble detection rate."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Wireless network signal to interference plus noise ratio estimation for a random access channel","description":"A wireless device includes a preamble detector configured to identify a plurality of preambles transmitted via a random access channel of a wireless network. The preamble detector includes a noise flo","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9756657","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-9756657","citation_suggestion":"Patentable. \"Wireless network signal to interference plus noise ratio estimation for a random access channel\" (US-9756657). https://patentable.app/patents/US-9756657","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9756657","json":"https://patentable.app/api/llm-context/US-9756657","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:18:19.825Z"}