{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9608843","patent":{"patent_number":"US-9608843","title":"Multiple-input multiple-output orthogonal frequency division multiplexing communication system and method for signal compensation","assignee":null,"inventors":[],"filing_date":"2015-11-16T00:00:00.000Z","publication_date":"2017-03-28T00:00:00.000Z","cpc_codes":["H04L","H04B","H04B","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":12,"abstract":"Embodiments of the present invention provide a method for signal compensation, including: receiving, by a receiver via N receiving antennas, a plurality of channel estimation preamble signals sent by M transmitting antennas of a remote transmitter; determining, by the receiver, channel estimation parameters according to the first pilot signals of the M transmitting antennas contained in the plurality of channel estimation preamble signals; receiving, by the receiver, data signals and second pilot signals sent on a first data symbol by the M transmitting antennas; determining, by the receiver, channel phase shift parameters according to signals arrived at the N receiving antennas which come from the second pilot signals; and determining, by the receiver according to the channel estimation parameters and the channel phase shift parameters, signal compensation for the data signals arrived at the N receiving antennas. Accuracy of demodulation for transmitted data to a certain extent is improved."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Multiple-input multiple-output orthogonal frequency division multiplexing communication system and method for signal compensation","description":"Embodiments of the present invention provide a method for signal compensation, including: receiving, by a receiver via N receiving antennas, a plurality of channel estimation preamble signals sent by ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9608843","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-9608843","citation_suggestion":"Patentable. \"Multiple-input multiple-output orthogonal frequency division multiplexing communication system and method for signal compensation\" (US-9608843). https://patentable.app/patents/US-9608843","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9608843","json":"https://patentable.app/api/llm-context/US-9608843","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:15:36.028Z"}