{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9838104","patent":{"patent_number":"US-9838104","title":"System and method for fast compression of OFDM channel state information (CSI) based on constant frequency sinusoidal approximation","assignee":null,"inventors":[],"filing_date":"2017-02-16T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["H04B","H04B","H04L"],"num_claims":18,"abstract":"A system and method for the efficient compression of the Channel State Information (CSI) in a wireless network with very low complexity and implementation cost. In accordance with the present invention, the CSI can be approximated as the summation of very few sinusoids on constant frequencies and the parameters of the sinusoids can be found efficiently by very simple calculations such as dot products of vectors which are implementable in hardware at very low cost."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"System and method for fast compression of OFDM channel state information (CSI) based on constant frequency sinusoidal approximation","description":"A system and method for the efficient compression of the Channel State Information (CSI) in a wireless network with very low complexity and implementation cost. In accordance with the present inventio","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9838104","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-9838104","citation_suggestion":"Patentable. \"System and method for fast compression of OFDM channel state information (CSI) based on constant frequency sinusoidal approximation\" (US-9838104). https://patentable.app/patents/US-9838104","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9838104","json":"https://patentable.app/api/llm-context/US-9838104","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:11:04.593Z"}