Channel equalizing device and method of digital broadcasting...

Details Channel equalizing device and method of digital broadcasting... Channel equalizing device and method of digital broadcasting...

H - Electricity

04

L

H04L 27/01 (2006.01) H03K 5/159 (2006.01)

Patent

CA 2490030

A channel equalizing device and method of a digital broadcasting receiving system in which a digital broadcasting signal received over a channel is compensated for a channel distortion to recover an original signal is provided. The channel equalizing device includes: a channel estimating unit for estimating and outputting a channel impulse response of a signal, which is received over a transmission channel; a channel characteristic detecting unit for determining as to whether a channel characteristic is a dynamic channel or a static channel by using a difference between the channel impulse response estimated at a current time and outputted from the channel estimating unit and the channel impulse response estimated at a previous time; and a channel equalizing unit for controlling a parameter of an internal filter depending on the channel characteristic detected by the channel characteristic detecting unit, to compensate the received signal for the channel distortion.

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