The advantage is less computing. And reusing the downlink IFFT module can save hardware resource.
这样的好处是运算量少，而且复用了下行的IFFT模块，节省硬件资源。
In the scheme, the inverse fast Fourier trans form (IFFT) is used as a way of inverse multiplexing.
在这个方案中，IFFT的作用可以看作是反向复用。
The radix-2 decimation-in-time algorithm based on 16-bit fixed-point operation and pipeline architecture are adopted in the core module IFFT(Inverse Fast Fourier Transform).
核心模块快速傅立叶逆变换（IFFT）采用基于16位定点运算的基-2时间抽取算法和流水线结构。
The radix-2 decimation-in-time algorithm based on 16-bit fixed-point operation and pipeline architecture are adopted in the core module IFFT(Inverse Fast Fourier Transform).
核心模块快速傅立叶逆变换（IFFT）采用基于16位定点运算的基-2时间抽取算法和流水线结构。
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