{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9621240","patent":{"patent_number":"US-9621240","title":"Beamforming using predefined spatial mapping matrices","assignee":null,"inventors":[],"filing_date":"2015-07-13T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04L"],"num_claims":20,"abstract":"In one or more aspects data packets are iteratively transmitted to a receiver using predefined spatial mapping matrices, channel estimates are received from the receiver responsive to iteratively transmitted data packets, and one of the predefined spatial mapping matrices is selected for transmitting additional data packets to the receiver based on the received channel estimates."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Beamforming using predefined spatial mapping matrices","description":"In one or more aspects data packets are iteratively transmitted to a receiver using predefined spatial mapping matrices, channel estimates are received from the receiver responsive to iteratively tran","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9621240","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-9621240","citation_suggestion":"Patentable. \"Beamforming using predefined spatial mapping matrices\" (US-9621240). https://patentable.app/patents/US-9621240","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9621240","json":"https://patentable.app/api/llm-context/US-9621240","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:11:01.202Z"}