{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9794104","patent":{"patent_number":"US-9794104","title":"Method and apparatus for quadrature signal modulation","assignee":null,"inventors":[],"filing_date":"2016-04-11T00:00:00.000Z","publication_date":"2017-10-17T00:00:00.000Z","cpc_codes":["H04L","H04B","H04L"],"num_claims":18,"abstract":"Methods and apparatus for facilitating wireless communication using digital Quadrature Amplitude Modulation are disclosed. A mapping module electronic component of a wireless communication device utilizes a signal constellation for quadrature modulating a signal for transmission or quadrature demodulating a received signal. The signal constellation includes multiple constellation symbols and associated bit sequences. Specific signal constellations are disclosed. The signal constellations may be obtained through an optimization procedure which accounts for both phase noise and power amplifier nonlinearity."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for quadrature signal modulation","description":"Methods and apparatus for facilitating wireless communication using digital Quadrature Amplitude Modulation are disclosed. A mapping module electronic component of a wireless communication device util","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9794104","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-9794104","citation_suggestion":"Patentable. \"Method and apparatus for quadrature signal modulation\" (US-9794104). https://patentable.app/patents/US-9794104","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9794104","json":"https://patentable.app/api/llm-context/US-9794104","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:02:19.787Z"}