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Digital video broadcasting—satellite—second generation (DVB-S2) based transmission and reception apparatus and method operable in circumstances of low signal to noise ratio (SNR)
Digital video broadcasting—satellite—second generation (DVB-S2) based transmission and reception apparatus and method operable in circumstances of low signal to noise ratio (SNR)
Provided is a digital video broadcasting-satellite-second generation (DVB-S2) based transmission and reception apparatus and method operable in circumstances of a low signal to noise ratio (SNR), the DVB-S2 based transmission and reception apparatus including a DVB-S2 based transmitter, a mapping unit to determine bit mapping based on at least one of a state of a transmission channel and an area to be applied, and a physical layer frame (PLframe) replica processing unit to repeat a PLframe in which a physical layer header (PLheader) corresponding to a spreading factor (SF) is inserted.
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