{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8493954","patent":{"patent_number":"US-8493954","title":"Method and apparatus for reducing digital to analog conversion (DAC) bits in frequency division multiple access (FDMA) system","assignee":null,"inventors":[],"filing_date":"2008-12-18T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L"],"num_claims":16,"abstract":"A method and an apparatus for reducing Digital-to-Analog Conversion (DAC) bits at a transmitter of a Frequency Division Multiple Access (FDMA) system reduces a number of the bits for conversion so as to save power and reduce the cost of operation. The method can include generating a digital signal gain control value and an analog signal gain control value using subcarrier allocation information, a required Signal to Noise Ratio (SNR), and a Peak to Average Power Ratio (PAPR); controlling a gain of a signal input to a digital-to-analog converter using the digital signal gain control value; converting a digital signal of the controlled gain to an analog signal using the digital-to-analog converter; and restoring an original signal by controlling a gain of a signal output from the digital-to-analog converter using the analog signal gain control value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for reducing digital to analog conversion (DAC) bits in frequency division multiple access (FDMA) system","description":"A method and an apparatus for reducing Digital-to-Analog Conversion (DAC) bits at a transmitter of a Frequency Division Multiple Access (FDMA) system reduces a number of the bits for conversion so as ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8493954","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-8493954","citation_suggestion":"Patentable. \"Method and apparatus for reducing digital to analog conversion (DAC) bits in frequency division multiple access (FDMA) system\" (US-8493954). https://patentable.app/patents/US-8493954","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8493954","json":"https://patentable.app/api/llm-context/US-8493954","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T03:13:10.151Z"}