{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11277785","patent":{"patent_number":"US-11277785","title":"Communication method and apparatus","assignee":null,"inventors":[],"filing_date":"2019-12-16T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["H04W","H04L","H04W","H04W","H04W","H04W","H04W"],"num_claims":20,"abstract":"Embodiments of this application relate to the field of wireless communications technologies, and provide an access method, a switch method, and an apparatus. The access method includes: receiving, by a terminal, a system message via a downlink carrier, where the system message includes information used to indicate a frequency channel number of a second uplink carrier; and initiating, by the terminal, random access via the second uplink carrier, where a frequency channel number of the downlink carrier belongs to a first frequency band, and a frequency channel number of the second uplink carrier belongs to a second frequency band."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Communication method and apparatus","description":"Embodiments of this application relate to the field of wireless communications technologies, and provide an access method, a switch method, and an apparatus. The access method includes: receiving, by ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11277785","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-11277785","citation_suggestion":"Patentable. \"Communication method and apparatus\" (US-11277785). https://patentable.app/patents/US-11277785","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11277785","json":"https://patentable.app/api/llm-context/US-11277785","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:45:44.230Z"}