{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9628160","patent":{"patent_number":"US-9628160","title":"Codebook for eight transmit antennas and multiple input multiple output communication system using the codebook","assignee":null,"inventors":[],"filing_date":"2014-02-11T00:00:00.000Z","publication_date":"2017-04-18T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04W","H04B","H04L","H04L","H04L"],"num_claims":16,"abstract":"A transmitter and a receiver of a multiple input multiple output (MIMO) communication system may use two codebooks to share channel information. When the transmitter uses eight transmit antennas, two codebooks may be defined. When the receiver generates two precoding matrix indicators from two codebooks, a combination of the two precoding matrix indicators may indicate a single precoding matrix. Precoding matrix candidates may also be defined."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Codebook for eight transmit antennas and multiple input multiple output communication system using the codebook","description":"A transmitter and a receiver of a multiple input multiple output (MIMO) communication system may use two codebooks to share channel information. When the transmitter uses eight transmit antennas, two ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9628160","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-9628160","citation_suggestion":"Patentable. \"Codebook for eight transmit antennas and multiple input multiple output communication system using the codebook\" (US-9628160). https://patentable.app/patents/US-9628160","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9628160","json":"https://patentable.app/api/llm-context/US-9628160","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T18:29:32.312Z"}