Digital broadcasting transmission/reception capable of improving a receiving performance and a signal processing method thereof
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United States of America Patent
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N/A
Issued Date -
Jan 20, 2005
app pub date -
Jul 15, 2004
filing date -
Jul 15, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Digital broadcasting transmission/reception systems capable of improving the synchronization acquisition and the equalization performance, and signal processing methods thereof. The digital broadcasting transmission/reception systems include a FEC encoder encoding an incoming signal according to a FEC scheme, a sync signal insertion unit inserting into the encoded signal a segment sync signal including modified segment syncs, a pilot insertion unit inserting a pilot signal into the sync-inserted signal, a pulse shaping filter pulse-shaping the pilot-inserted signal with a roll-off factor, and a RF unit transmitting the pulse-shaped signal through a transmission channel band. The modified segment sync includes a predetermined number of sync signals, and an average of correlation values with respect to the predetermined number of the sync signals has an auto-correlation property. The transmission scheme utilizing the modified segment syncs promotes compatibility with the conventional reception system, minimizes hardware complexity, and enhances synchronization acquisition and equalization performance.
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