{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9621395","patent":{"patent_number":"US-9621395","title":"Apparatus and method for sending and receiving broadcast signals","assignee":null,"inventors":[],"filing_date":"2016-04-05T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H04L","H04B","H04J","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":8,"abstract":"Disclosed herein is a broadcast signal receiver. A broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation unit configured to perform signal detection and OFDM demodulation on a received signal, a frame parser configured to parse the signal frame of the received signal, a time deinterleaving unit configured to deinterleave LDM data, a first demapping/decoding unit configured to obtain the data of a core layer by demapping and FEC-decoding the LDM data, an interference removal unit configured to remove the core layer data from the LDM data and to output the data of an enhanced layer, and a second demapping/decoding unit configured to demap and FEC-decode the enhanced layer data."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus and method for sending and receiving broadcast signals","description":"Disclosed herein is a broadcast signal receiver. A broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation unit configured to perform ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9621395","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-9621395","citation_suggestion":"Patentable. \"Apparatus and method for sending and receiving broadcast signals\" (US-9621395). https://patentable.app/patents/US-9621395","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9621395","json":"https://patentable.app/api/llm-context/US-9621395","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:34:12.980Z"}