System and method for providing terrestrial digital broadcasting service using single frequency network
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United States of America Patent
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Jul 21, 2009
Grant Date -
Jul 29, 2004
app pub date -
Dec 11, 2003
filing date -
Dec 20, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a system and method for terrestrial digital broadcasting service using a single frequency network without additional equipment. The system and method synchronizes input signals into transmitting stations by inserting a transmission synchronization signal into a header of TS periodically, and solves the problematic ambiguity of the trellis encoder by including a trellis encoder switching unit separately and initializing a memory of the trellis encoder. The terrestrial digital broadcasting system includes: a broadcasting station for multiplexing video, voice and additional signals into transport stream (TS) and transmitting the TS to the transmitting stations and a transmitting stations for receiving the TS and broadcast the TS to receiving stations through a single frequency network.
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