Apparatus and method for reducing a peak to average power ratio in a multi-carrier communication system

An apparatus and method for reducing a Peak to Average Power Ratio (PAPR) in a broadband wireless communication system. A transmitter classifies symbols into full-symbols and sub-symbols and divides a transmission full-symbol into at least two sub-symbols and transmits the sub-symbols, when the transmission full-symbol has a PAPR larger than a threshold set in the system. The sub symbols containing only part of the subcarriers of the full symbol exceeding the PAPR, the remaining ones being set to zero. A receiver, checks a transmitted symbol, determines if a full-symbol or a sub-symbol is arrived, and outputs a data when the full-symbol is arrived by recombining the subsymbols to obtain the original full-symbol exceeding the PAPR.