{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9756622","patent":{"patent_number":"US-9756622","title":"Radio base station, user terminal, radio communication system and radio communication method","assignee":null,"inventors":[],"filing_date":"2013-05-09T00:00:00.000Z","publication_date":"2017-09-05T00:00:00.000Z","cpc_codes":["H04W","H04L","H04L","H04W"],"num_claims":7,"abstract":"A radio base station transmits downlink control information to user terminals through enhanced PDCCHs which are frequency-division-multiplexed with a PDSCH, and includes an allocation section that allocates a plurality of enhanced PDCCH sets to each user terminal, the plurality of enhanced PDCCH sets each including a plurality of PRB pairs placed for the enhanced PDCCHs, so that at least one enhanced PDCCH set overlaps with other user terminals, and a mapping section that selects enhanced PDCCH sets from the plurality of enhanced PDCCH sets so that the number of enhanced PDCCH sets used to transmit the downlink control information in a predetermined time resource unit becomes minimum, and maps the downlink control information to the PRB pairs which form the selected enhanced PDCCH sets."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Radio base station, user terminal, radio communication system and radio communication method","description":"A radio base station transmits downlink control information to user terminals through enhanced PDCCHs which are frequency-division-multiplexed with a PDSCH, and includes an allocation section that all","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9756622","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-9756622","citation_suggestion":"Patentable. \"Radio base station, user terminal, radio communication system and radio communication method\" (US-9756622). https://patentable.app/patents/US-9756622","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9756622","json":"https://patentable.app/api/llm-context/US-9756622","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:59:06.362Z"}