{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8462611","patent":{"patent_number":"US-8462611","title":"Pilot design for OFDM systems with four transmit antennas","assignee":null,"inventors":[],"filing_date":"2005-03-15T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["H04L","H04B","H04B","H04B","H04L","H04L","H04L","H04L","H04L"],"num_claims":30,"abstract":"Pilot, preamble and midamble patterns are provided that are particularly suited for four transmit antenna OFDM systems. Pilots are inserted in a scattered manner for each of the four antennas, either uncoded, space-time coded in pairs, space-time frequency coded in pairs, or space-time-frequency coded."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Pilot design for OFDM systems with four transmit antennas","description":"Pilot, preamble and midamble patterns are provided that are particularly suited for four transmit antenna OFDM systems. Pilots are inserted in a scattered manner for each of the four antennas, either ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8462611","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-8462611","citation_suggestion":"Patentable. \"Pilot design for OFDM systems with four transmit antennas\" (US-8462611). https://patentable.app/patents/US-8462611","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8462611","json":"https://patentable.app/api/llm-context/US-8462611","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:29:28.698Z"}