{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9800304","patent":{"patent_number":"US-9800304","title":"Method of feedback for beamforming in a wireless communication system and apparatus therefor","assignee":null,"inventors":[],"filing_date":"2015-02-17T00:00:00.000Z","publication_date":"2017-10-24T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04B","H04B","H04B"],"num_claims":13,"abstract":"A method of transmitting channel state information (CSI) for a hybrid beamforming from a user equipment in a wireless communication system according to one embodiment of the present invention may include measuring a gain of a directional beam formed with reference to a first direction and a gain of an omni-directional beam formed equivalently in all directions respectively and transmitting the CSI including a gain difference between the directional beam and the omni-directional beam to a base station, wherein a direction of a digital beamforming in the hybrid beamforming is determined in accordance with the gain difference between the directional beam and the omni-directional beam and wherein a direction of an analog beamforming in the hybrid beamforming is determined in accordance with the first direction."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of feedback for beamforming in a wireless communication system and apparatus therefor","description":"A method of transmitting channel state information (CSI) for a hybrid beamforming from a user equipment in a wireless communication system according to one embodiment of the present invention may incl","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9800304","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-9800304","citation_suggestion":"Patentable. \"Method of feedback for beamforming in a wireless communication system and apparatus therefor\" (US-9800304). https://patentable.app/patents/US-9800304","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9800304","json":"https://patentable.app/api/llm-context/US-9800304","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:20:13.542Z"}