Apparatus and method for reducing papr of preamble signal in digital broadcasting system

A transmission apparatus for reducing a Peak to Average Power Ratio (PAPR) in a digital broadcasting system, comprising:

• a transmission unit for transmitting a frame in which a preamble is included;
• a memory for storing indexes of reserved tones used to transmit a signal having an impulse characteristic in locations of sub-carriers that do not collide with a pilot signal of the preamble;
• and
• a controller for generating the signal having the impulse characteristic according to the indexes of the reserved tones and controlling the transmission unit so as to transmit the signal having the impulse characteristic through the reserved tones in a symbol period for which the preamble is transmitted.