Method and apparatus for transmitting additional data in digital terrestrial broadcasting system
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United States of America Patent
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Jul 22, 2014
Grant Date -
Mar 29, 2012
app pub date -
Sep 23, 2011
filing date -
Sep 28, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A method and an apparatus for transmitting additional data in a digital terrestrial broadcasting system are provided. The apparatus includes: a main signal generating unit channel-coding main data and converting the main data into a main signal; an additional signal generating unit channel-coding additional data and converting the additional data into an additional signal; a mixed signal generating unit generating a mixed signal by coupling the main signal and the additional signal to each other; and a mixed signal transmitting unit modulating the mixed signal and transmitting the modulated mixed signal to a receiver through a transmission antenna, wherein the additional data is additional data requested by a specific user possessing the receiver and the specific user provides information on an additional data transmitter.
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