{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11967991","patent":{"patent_number":"US-11967991","title":"DAS for multi-frequency band and multi-carrier based on O-RAN standard","assignee":null,"inventors":[],"filing_date":"2023-05-05T00:00:00.000Z","publication_date":"2024-04-23T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04W"],"num_claims":4,"abstract":"A distributed antenna system (DAS) for multi-carrier and multi-frequency band based on an O-RAN standard in an open radio access network (O-RAN)-based mobile communication network is provided. The DAS includes an O-RAN remote unit (RU) connected to a fronthaul network according to an O-RAN split option specification of base station transceiver systems (BTSs), and comprising a plurality of O-RAN RUs to accommodate a plurality of carriers and a plurality of frequency bands, and a channel combiner to which outputs of the plurality of O-RAN RUs are combined. The channel combiner is an analog combiner. The DAS further includes an optical distribution unit (ODU) connected to the analog combiner, and a radio unit (RU) connected to the ODU. The RU includes an optical receiving unit (ORU), a high power amplifier (HPA), a low noise amplifier (LNA), and a duplexer or filter."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"DAS for multi-frequency band and multi-carrier based on O-RAN standard","description":"A distributed antenna system (DAS) for multi-carrier and multi-frequency band based on an O-RAN standard in an open radio access network (O-RAN)-based mobile communication network is provided. The DAS","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11967991","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-11967991","citation_suggestion":"Patentable. \"DAS for multi-frequency band and multi-carrier based on O-RAN standard\" (US-11967991). https://patentable.app/patents/US-11967991","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11967991","json":"https://patentable.app/api/llm-context/US-11967991","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T02:40:32.271Z"}