The present invention relates to an interference cancellation receiving method in an OFDMA mobile communication 
system, and an apparatus using the same. For this purpose, the present invention provides an interference cancellation receiving method for outputting a data symbol from which an interfering 
signal is canceled by receiving subcarriers including a 
data signal from a serving 
base station, the 
data signal including interfering signals from a neighboring 
base station and a 
remote base station, estimating a channel response of the serving 
base station and the neighboring base 
station by using at least one adjacent 
pilot subcarrier in the 
frequency axis or time axis, computing a 
weight value for canceling the interfering signals, and combining at least one data 
subcarrier having a repeated identical data symbol among received subcarriers with the 
weight value. According to the present invention, performance of receiving serving base 
station signals is improved, and a success rate of handoff is increased and handoff 
delay time is reduced by successful decoding of signals from a serving base 
station and a neighboring base station when handoff occurs.