{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8498226","patent":{"patent_number":"US-8498226","title":"Method for determining random access channel number and sending sounding reference signal","assignee":null,"inventors":[],"filing_date":"2009-08-05T00:00:00.000Z","publication_date":"2013-07-30T00:00:00.000Z","cpc_codes":["H04W","H04W"],"num_claims":13,"abstract":"The present invention provides a method for determining the number of random access channels which is applied to a time division duplex system. The method comprises: a terminal determining configuration parameters related to the number of the random access channels in an UpPTS based on system configuration, said configuration parameters including the number of downlink-to-uplink switch-points in one radio frame NSP, the density of PRACHs in a random access configuration DRA, a system frame number of a system frame in which said UpPTS is located nf, and a version index corresponding to a PRACH configuration index rRA; and said terminal then calculating directly the number of the PRACHs in said UpPTS based on the configuration parameters. The present invention also provides a method for sending a SRS of a time division duplex system using the method for determining the number of the random access channels."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for determining random access channel number and sending sounding reference signal","description":"The present invention provides a method for determining the number of random access channels which is applied to a time division duplex system. The method comprises: a terminal determining configurati","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8498226","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-8498226","citation_suggestion":"Patentable. \"Method for determining random access channel number and sending sounding reference signal\" (US-8498226). https://patentable.app/patents/US-8498226","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8498226","json":"https://patentable.app/api/llm-context/US-8498226","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:21:21.596Z"}