{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10491344","patent":{"patent_number":"US-10491344","title":"Signal transmission method and apparatus","assignee":null,"inventors":[],"filing_date":"2019-02-01T00:00:00.000Z","publication_date":"2019-11-26T00:00:00.000Z","cpc_codes":["H04L","H04B","H04B","H04B","H04B","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":10,"abstract":"Embodiments of this application provide a signal transmission method and apparatus, and the method includes: filtering a first time domain orthogonal frequency division multiplexing (OFDM) signal at each of M spatial transmission layers, where M is an integer greater than or equal to 1; performing spatial precoding on the filtered first time domain OFDM signal at each of the M spatial transmission layers, and mapping the filtered first time domain OFDM signal at each of the M spatial transmission layers to each of Nt transmit antenna ports, where Nt is an integer greater than or equal to M; and superposing and transmitting the first time domain OFDM signals that are at the M spatial transmission layers and that are mapped to all the Nt transmit antenna ports."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Signal transmission method and apparatus","description":"Embodiments of this application provide a signal transmission method and apparatus, and the method includes: filtering a first time domain orthogonal frequency division multiplexing (OFDM) signal at e","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10491344","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-10491344","citation_suggestion":"Patentable. \"Signal transmission method and apparatus\" (US-10491344). https://patentable.app/patents/US-10491344","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10491344","json":"https://patentable.app/api/llm-context/US-10491344","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:57:19.194Z"}