H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/26 (2006.01) H03M 13/25 (2006.01) H04N 5/38 (2006.01) H04N 7/66 (2006.01)
Patent
CA 2566119
A digital television (DTV) transmitter and a method of processing known data in the DTV transmitter are disclosed. The method of processing known data in a digital television (DTV) transmitter includes generating a known data sequence, trellis-encoding the known data sequence, the trellis-encoded known data sequence having upper, middle, and lower bits, wherein at least one of the upper, middle, and lower bits has an m-sequence property, and mapping the trellis-encoded known data sequence into one of 2-level, 4-level, and 8-level data sequences, wherein the mapped data sequence has substantially an m-sequence property, wherein a data sequence has an m--sequence property when a peak value among auto-correlation values of the data sequence having a length of N is 1 and all the off-peak auto-correlation values are -1/N.
Choi In Hwan
Kim Byoung Gill
Kim Jae Hyung
Kim Jong Moon
Kim Woo Chan
Lg Electronics Inc.
Smart & Biggar
LandOfFree
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