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System and method for OFDM reception in the presence of dooppler effect based on time domain windowing
System and method for OFDM reception in the presence of dooppler effect based on time domain windowing
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机译:基于时域开窗的具有多普勒效应的OFDM接收系统和方法
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摘要
An OFDM receiver for processing an OFDM received signal to perform OFDM reception in presence of Doppler effects is provided. The receiver has at least two parallel processing chains, each processing chain has a time domain windowing for processing an OFDM block. The processing consisting of the multiplication, element by element of the OFDM block, by a set of predetermined coefficients.;The receiver also has a DFT block (such as FFT) for demodulating said windowed OFDM symbol into the frequency domain equivalent wherein the windowings of the at least two parallel processing chains have complementary profiles so as to avoid any loss of information throughout the OFDM sample. The invention also provides a process to be used in an OFDM receiver.
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