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OFDM系统在COST207信道下的多径仿真-OFDM system in the COST207 channel simulation under multipath
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OFDM system with channel model and channel estimation...
-rayleigh channel generation,multipath channel, selective rayleigh channel,
ls channel estion,mmse estimation,
lmmse estimation,lr_lmmmse estimation
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As a multi-carrier modulation scheme, Orthogonal Frequency Division Multiplexing (OFDM)
technique can achieve high data rate in frequency-selective fading channels by splitting a
broadband signal into a number of narrowband signals over a number
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在研究了超高速OFDM系统传输模型的基础上，对OFDM系统的传输信号结构进行了分析，结合传统的多普勒频移算法，用OFDM信号循环前缀所包含的相对频偏信息设计了实时性较好的多普勒频移估计方法，并分析了多径效应对于循环前缀数据的“污染”效应，对该算法进行了优化，提高了算法的频移估计性能，并对该算法进行了性能验证。-Based on the study ultra-high-speed transmission of OFDM system model, the OFDM signal structu
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this code give a matlab model for simulation the time varing channels with rayligh fading and soppler types spectrum for ofdm signals.
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