{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11265921","patent":{"patent_number":"US-11265921","title":"Method and apparatus for non-contention based random access","assignee":null,"inventors":[],"filing_date":"2020-01-22T00:00:00.000Z","publication_date":"2022-03-01T00:00:00.000Z","cpc_codes":["H04B","H04B","H04L","H04L","H04L","H04L","H04L","H04W","H04W","H04W","H04W","H04W","H04W","H04W"],"num_claims":32,"abstract":"A method for non-contention based random access is provided, including: receiving a PDCCH order through a first demodulation reference signal DM-RS port, where the PDCCH order includes a first SSB index, and the PDCCH order is used to instruct to perform random access on a first RACH resource corresponding to the first SSB index by using a first preamble; sending, based on the PDCCH order, an MSG 1 on the first RACH resource by using the first preamble; and determining, based on the first DM-RS port, to receive an MSG 2 through a second DM-RS port, where the second DM-RS port has a QCL relationship with the first DM-RS port."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for non-contention based random access","description":"A method for non-contention based random access is provided, including: receiving a PDCCH order through a first demodulation reference signal DM-RS port, where the PDCCH order includes a first SSB ind","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11265921","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-11265921","citation_suggestion":"Patentable. \"Method and apparatus for non-contention based random access\" (US-11265921). https://patentable.app/patents/US-11265921","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11265921","json":"https://patentable.app/api/llm-context/US-11265921","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T08:30:29.835Z"}