A digital television (DTV) receiving system includes a known data detector, and a channel impulse response (CIR) estimator, a CIR calculator, a coefficient calculator, and a multiplier. The known data detector detects positions of known data and field sync data included in a data group. The CIR estimator...http://www.google.com/patents/US8009766?utm_source=gb-gplus-sharePatent US8009766 - DTV receiving system and method of processing DTV signal
