{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9806776","patent":{"patent_number":"US-9806776","title":"Communication system and method using space division multi-user multiple input multiple output (SD-MIMO) communication method","assignee":null,"inventors":[],"filing_date":"2015-06-15T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":40,"abstract":"Provided is a communication system using a space division multi-user multiple input multiple output (SD-MIMO) communication method. A transmission apparatus may transmit, to each of terminals included within a coverage, common control information commonly transmitted to the terminals and individual control information individually transmitted to each of the terminals. The transmission apparatus does not precode the common control information and transmits the non-precoded common control information. The transmission apparatus precodes the individual control information and transmits the precoded individual control information."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Communication system and method using space division multi-user multiple input multiple output (SD-MIMO) communication method","description":"Provided is a communication system using a space division multi-user multiple input multiple output (SD-MIMO) communication method. A transmission apparatus may transmit, to each of terminals included","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9806776","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-9806776","citation_suggestion":"Patentable. \"Communication system and method using space division multi-user multiple input multiple output (SD-MIMO) communication method\" (US-9806776). https://patentable.app/patents/US-9806776","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9806776","json":"https://patentable.app/api/llm-context/US-9806776","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:37:15.707Z"}