SATELLITE BROADCASTING SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Dec 11, 2012
filing date -
Dec 12, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a satellite broadcasting system and method using a spread spectrum technique to improve satellite broadcasting availability in a rainy environment and to provide a satellite broadcasting N-screen service. A satellite broadcasting transmitter of the satellite broadcasting system may encode a broadcast signal into each of a high definition (HD) signal, a standard definition (SD) signal, and a low definition (LD) signal, may modulate each of the encoded HD signal and the encoded SD signal by a predetermined modulation scheme, may spread a spectrum of the encoded LD signal to generate a spread spectrum signal, may to modulate the spread spectrum signal, may combine the modulated spread spectrum signal with the modulated HD signal and the modulated SD signal to generate a combined modulated signal, and may transmit the combined modulated signal to a satellite.
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