{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9788292","patent":{"patent_number":"US-9788292","title":"Reciprocity calibration for multiple-input multiple-output systems","assignee":null,"inventors":[],"filing_date":"2017-01-14T00:00:00.000Z","publication_date":"2017-10-10T00:00:00.000Z","cpc_codes":["H04W","H04B","H04B","H04B","H04B","H04B","H04B","H04L","H04L","H04W","H04L"],"num_claims":20,"abstract":"Systems and associated methods for reciprocity calibration of MIMO wireless communication are disclosed. In one embodiment, a method includes receiving, by a base station, a first set of pilot symbols by receivers (RXes) of the base station based on a first pilot symbol transmitted from a transmitter (TX) of at least one reference antenna, transmitting, by the base station, a second pilot symbol by TXes of the base station, wherein the transmitted second pilot symbol is received by an RX of the at least one reference antenna as a second set of r0,i pilot symbols calculating non-reciprocity compensation factors based on the first set of pilot symbols and the second set of pilot symbols."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Reciprocity calibration for multiple-input multiple-output systems","description":"Systems and associated methods for reciprocity calibration of MIMO wireless communication are disclosed. In one embodiment, a method includes receiving, by a base station, a first set of pilot symbols","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9788292","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-9788292","citation_suggestion":"Patentable. \"Reciprocity calibration for multiple-input multiple-output systems\" (US-9788292). https://patentable.app/patents/US-9788292","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9788292","json":"https://patentable.app/api/llm-context/US-9788292","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T03:56:40.638Z"}