{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9680540","patent":{"patent_number":"US-9680540","title":"Walsh-hadamard transformed GFDM radio transmission","assignee":null,"inventors":[],"filing_date":"2015-03-06T00:00:00.000Z","publication_date":"2017-06-13T00:00:00.000Z","cpc_codes":["H04L","H04B","H04J","H04L","H04L","H04B","H04J","H04W","H04W"],"num_claims":13,"abstract":"A radio transmission system based on a frequency divisional multiplexing method is described, wherein a transmit symbol comprises a plurality of data symbols assigned to at least two subcarriers. The information of symbols of one time slot is spread across the data symbols of subcarrier of the time slot to produce a transmit symbol being more robust to frequency selective channels."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Walsh-hadamard transformed GFDM radio transmission","description":"A radio transmission system based on a frequency divisional multiplexing method is described, wherein a transmit symbol comprises a plurality of data symbols assigned to at least two subcarriers. The ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9680540","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-9680540","citation_suggestion":"Patentable. \"Walsh-hadamard transformed GFDM radio transmission\" (US-9680540). https://patentable.app/patents/US-9680540","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9680540","json":"https://patentable.app/api/llm-context/US-9680540","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:21:45.142Z"}