{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11234136","patent":{"patent_number":"US-11234136","title":"Method and apparatus for wideband PRACH configuration for NR unlicensed","assignee":null,"inventors":[],"filing_date":"2020-06-18T00:00:00.000Z","publication_date":"2022-01-25T00:00:00.000Z","cpc_codes":["H04J","H04W","H04L","H04L","H04L","H04L","H04W","H04W"],"num_claims":17,"abstract":"A method of a user equipment (UE) in a wireless communication system supporting a shared spectrum channel access is provided. The method comprises: receiving, from a base station (BS), a set of higher layer parameters including a subcarrier spacing of a physical random access channel (PRACH) preamble, a logical root index (ilog) for the PRACH preamble, and an index (zeroCorrelationZoneConfg); determining a sequence length (LRA) for the PRACH preamble based on the subcarrier spacing of the PRACH preamble; determining a physical root index (iphy) for the PRACH preamble based on the logical root index (ilog); determining a cyclic shift (NCS) for the PRACH preamble based on the index (zeroCorrelationZoneConfg); generating the PRACH preamble based on the determined sequence length LRA, the determined physical root index iphy, and the determined cyclic shift NCS; and transmitting, to the base station (BS) over the shared spectrum channel, the PRACH preamble."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for wideband PRACH configuration for NR unlicensed","description":"A method of a user equipment (UE) in a wireless communication system supporting a shared spectrum channel access is provided. The method comprises: receiving, from a base station (BS), a set of higher","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11234136","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-11234136","citation_suggestion":"Patentable. \"Method and apparatus for wideband PRACH configuration for NR unlicensed\" (US-11234136). https://patentable.app/patents/US-11234136","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11234136","json":"https://patentable.app/api/llm-context/US-11234136","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:04:57.026Z"}