{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9813121","patent":{"patent_number":"US-9813121","title":"Massive MIMO multi-user beamforming and single channel full duplex for wireless networks","assignee":null,"inventors":[],"filing_date":"2017-04-22T00:00:00.000Z","publication_date":"2017-11-07T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04L","H04W","H04W","H04W","H04W","H04W"],"num_claims":17,"abstract":"This invention presents a method and apparatuses for wireless networking comprising one or more BS with Nbs antennas; two or more SCs in the range of a BS where a SC has Nsc antennas, uses Nsc1≦Nsc antennas for communication with a BS and uses Nsc2≦Nsc antennas for communication with one or more UEs; at the same time a BS transmitting DL signals to K SCs using multi-user transmit BF in a frequency channel, a SC simultaneously transmitting DL signals to one or more UEs in its range using the same frequency channel; and, at the same time a BS receiving UL signals from K SCs using multi-user receive BF in a frequency channel, a SC simultaneously receiving UL signals from one or more UEs in its range using the same frequency channel. Furthermore, beamforming using antennas on the SCs is performed to reduce the inter-SC interferences."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Massive MIMO multi-user beamforming and single channel full duplex for wireless networks","description":"This invention presents a method and apparatuses for wireless networking comprising one or more BS with Nbs antennas; two or more SCs in the range of a BS where a SC has Nsc antennas, uses Nsc1≦Nsc an","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9813121","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-9813121","citation_suggestion":"Patentable. \"Massive MIMO multi-user beamforming and single channel full duplex for wireless networks\" (US-9813121). https://patentable.app/patents/US-9813121","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9813121","json":"https://patentable.app/api/llm-context/US-9813121","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:16:12.016Z"}