Patent ID: 7945001

Claim:
An apparatus for receiving data generated by sequentially performing bit interleaving, symbol interleaving and symbol mapping in a wireless communication system, comprising: a fast Fourier transform (FFT) unit for receiving in-phase/quadrature phase (I/Q) data of a radio channel generated by sequentially performing bit interleaving, symbol interleaving and symbol mapping, and performing an FFT process for the I/Q data; a symbol deinterleaver for symbol deinterleaving the FFT I/Q data and outputting the symbol-deinterleaved I/Q data and reference values to be used for symbol demapping of the I/Q data, the symbol deinterleaving being mapped to the symbol interleaving; a symbol demapper for symbol demapping the symbol-deinterleaved I/Q data according to the reference values received from the symbol deinterleaver, the symbol demapping being mapped to the symbol mapping; and a bit deinterleaver for bit deinterleaving the symbol-demapped data, the bit deinterleaving being mapped to the bit interleaving.