Digital broadcasting transmission/reception devices capable...

Details Digital broadcasting transmission/reception devices capable... Digital broadcasting transmission/reception devices capable...

H - Electricity

04

H

H04H 60/11 (2009.01) H04H 20/72 (2009.01) H04H 40/00 (2009.01) H04N 7/64 (2006.01)

Patent

CA 2679049

A digital broadcasting receiver includes a demodulator for receiving and demodulating a data stream including a known data, a supplementary data stream and information regarding the known data, an equalizer for equalizing the demodulated data stream and a detector for detecting the known data from the data stream using the information regarding the known data. The demodulating and equalizing are performed by the demodulator and equalizer using the detected known data. The data stream is transmitted from a digital broadcasting transmitter comprising a data pre-processor for pre-processing the supplementary data stream and a Trellis encoder for performing Trellis encoding on a data stream including the known data and the pre-process supplementary data stream. The encoder performs Trellis encoding on the data stream using internal memories, and resets the memories according to a Trellis resetting process before the Trellis encoding is performed on the known data.

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