{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8526519","patent":{"patent_number":"US-8526519","title":"Multi-rank precoding matrix indicator (PMI) feedback in a multiple-input multiple-output (MIMO) system","assignee":null,"inventors":[],"filing_date":"2010-12-14T00:00:00.000Z","publication_date":"2013-09-03T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04L","H04W","H04W"],"num_claims":17,"abstract":"In at least some embodiments, a system includes a multiple-input multiple-output (MIMO) base station and a plurality of MIMO user equipment (UE) devices in communication with the MIMO base station. The MIMO base station is configured to switch between a single-user (SU)-MIMO mode and a multiple-user (MU)-MIMO mode during communications with the plurality of MIMO UE devices based on multi-rank precoding matrix indicator (PMI) feedback received from at least one of the MIMO UE devices."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Multi-rank precoding matrix indicator (PMI) feedback in a multiple-input multiple-output (MIMO) system","description":"In at least some embodiments, a system includes a multiple-input multiple-output (MIMO) base station and a plurality of MIMO user equipment (UE) devices in communication with the MIMO base station. Th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8526519","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-8526519","citation_suggestion":"Patentable. \"Multi-rank precoding matrix indicator (PMI) feedback in a multiple-input multiple-output (MIMO) system\" (US-8526519). https://patentable.app/patents/US-8526519","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8526519","json":"https://patentable.app/api/llm-context/US-8526519","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T21:10:47.696Z"}