OFDM调制算法设计及FPGA实现

The Design and Implementation of Algorithm of FPGA Applied in OFDM' System

高效率的快速傅立叶变换 (FFT)的算法是正交频分复用 (OFDM)系统中的一项核心技术。文中参考一种特殊的 FFT算法 ,采用相位旋转因子代替乘法器并给出 16点 FFT算法在低成本 FPGA的实现。

High efficient FFT(IFFT) algorithm is a key technology in OFDM system. In this paper, based on a special 16-point FFT algorithm, an implementation method suitable for low cost FPGA chipsets is presented.In this method,rotators are composed of only shifters and adders and can take the place of multipliers.