H - Electricity – 04 – H
Patent
H - Electricity
04
H
H04H 60/11 (2009.01) H04H 40/00 (2009.01) H04N 7/64 (2006.01)
Patent
CA 2681955
A digital broadcast transmitting/receiving system and a signal processing method thereof that can improve the receiving performance of the system. A digital broadcast transmitter has a randomizer to randomize an input data stream which has null bytes being inserted at a specified position, a multiplexer to output a data stream formed by inserting specified known data into the position of the null bytes of the randomized data stream, an encoder to encode the data stream outputted from the multiplexer, and a modulator/RF-converter to modulate the encoded data, RF-convert the modulated data and transmit the RF-converted data. The receiving performance of the digital broadcast transmitting/receiving system can be improved even in a multi-path channel by detecting the known data from the received signal and using the known data in synchronization and equalization in a digital broadcast receiver.
Chang Yong-Deok
Jeong Hae-Joo
Ridout & Maybee Llp
Samsung Electronics Co. Ltd.
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