Patent ID: 7715507
Filing Date: 2010-05-11
Classification: H04B

Abstract:
1. An interference cancellation method, comprising: decoding, in a decoding unit, a signal received at a certain reception time, the received signal including a broadcast signal and a pilot signal; regenerating, in a regenerating unit, a pilot signal using a decoding result of the pilot signal and channel information of a pilot channel, wherein the decoding result of the pilot signal is extracted from a decoding result of the received signal; removing, in a removal unit, a pilot signal from a signal received at a next reception time based on the regenerated pilot signal; measuring, in a measuring unit, reception quality of the broadcast signal included in the received signal; and determining, in the measuring unit, whether to remove the pilot signal based on the measured reception quality, wherein the measuring unit determines whether to remove the pilot signal by comparing the measured reception quality with a plurality of thresholds, wherein comparing the measured reception quality with a plurality of thresholds prevents frequent on/off switching of the regenerating unit and the removal unit.