{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9716538","patent":{"patent_number":"US-9716538","title":"Method and apparatus for grouping antennas in multiple-input multiple-output antenna system","assignee":null,"inventors":[],"filing_date":"2014-09-12T00:00:00.000Z","publication_date":"2017-07-25T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B"],"num_claims":20,"abstract":"Disclosed are a method and an apparatus for grouping antennas in a multiple-input multiple-output antenna system. The method of the present invention comprises the steps of: measuring a channel vector for a plurality of antennas of a base station; grouping channel coefficients of the channel vector in accordance with a plurality of antenna grouping patterns and determining grouped codebook vectors corresponding to the grouped channel coefficients; selecting one of the antenna grouping patterns using the grouped codebook vectors for the antenna grouping patterns; and feeding back, to the base station, a pattern index indicating the selected antenna grouping pattern and a codebook index indicating the grouped codebook vector corresponding to the selected antenna grouping pattern."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for grouping antennas in multiple-input multiple-output antenna system","description":"Disclosed are a method and an apparatus for grouping antennas in a multiple-input multiple-output antenna system. The method of the present invention comprises the steps of: measuring a channel vector","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9716538","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-9716538","citation_suggestion":"Patentable. \"Method and apparatus for grouping antennas in multiple-input multiple-output antenna system\" (US-9716538). https://patentable.app/patents/US-9716538","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9716538","json":"https://patentable.app/api/llm-context/US-9716538","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:40:14.948Z"}