{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8498353","patent":{"patent_number":"US-8498353","title":"Apparatus and method for cyclic delay diversity in multiple-antenna wireless communication system","assignee":null,"inventors":[],"filing_date":"2012-05-31T00:00:00.000Z","publication_date":"2013-07-30T00:00:00.000Z","cpc_codes":["H04B","H04L","H04L"],"num_claims":17,"abstract":"A cyclic delay diversity (CDD) technique in a multiple-antenna broadband wireless communication system is provided. An apparatus in the multiple-antenna broadband wireless communication system includes: a controller for selecting at least one sub-carrier to which CDD is applied; at least one shifter for shifting a phase of a signal mapped to the at least one selected sub-carrier; and an operator for converting the signal, which is mapped to the at least one selected sub-carrier and whose phase is shifted, and other signals mapped to the remaining sub-carriers into time-domain signals."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus and method for cyclic delay diversity in multiple-antenna wireless communication system","description":"A cyclic delay diversity (CDD) technique in a multiple-antenna broadband wireless communication system is provided. An apparatus in the multiple-antenna broadband wireless communication system include","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8498353","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-8498353","citation_suggestion":"Patentable. \"Apparatus and method for cyclic delay diversity in multiple-antenna wireless communication system\" (US-8498353). https://patentable.app/patents/US-8498353","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8498353","json":"https://patentable.app/api/llm-context/US-8498353","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:06:08.079Z"}