{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11258495","patent":{"patent_number":"US-11258495","title":"Hybrid beamforming method for wireless multi-antenna and frequency-division duplex systems","assignee":null,"inventors":[],"filing_date":"2017-04-10T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04W","H04W","H04W","H04W"],"num_claims":3,"abstract":"This invention presents a method and systems for beamforming in wireless communication comprising a base station with a plural of antennas and radio frequency transmitting and receiving chains, a plural of base band transmitting paths and base band receiving paths, and a processor that constructs a subspace for each user equipment using the principal angle information contained in partial channel state information obtained on channels associated with a part of the BS antennas, derives an analog beamforming matrix and/or an analog combining matrix from the subspaces of all the user equipment selected for communication with the base station to achieve analog beamforming, and further performs beamforming at the base band."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Hybrid beamforming method for wireless multi-antenna and frequency-division duplex systems","description":"This invention presents a method and systems for beamforming in wireless communication comprising a base station with a plural of antennas and radio frequency transmitting and receiving chains, a plur","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11258495","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-11258495","citation_suggestion":"Patentable. \"Hybrid beamforming method for wireless multi-antenna and frequency-division duplex systems\" (US-11258495). https://patentable.app/patents/US-11258495","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11258495","json":"https://patentable.app/api/llm-context/US-11258495","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:13:43.227Z"}