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Jakes Model + Rayleigh Channel + Time Selective Fading + Frequency Selective Fading
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这是一个频率选择性瑞利衰落信道的模型，程序建模为两径。,This is a frequency-selective Rayleigh fading channel model, the program is modeled as two tracks.
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对3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真（不同p和delay 的取值来分别定义莱斯（瑞利）平坦衰落信道、莱斯（瑞利）频率选择性衰落信道).-For three fixed-path multipath AWGN channel of the QPSK system BER performance simulation (different values for p and the delay are defined Rice (Rayleigh) flat fading
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多种Rayleigh衰落信道的程序，单径和多径频率选择性-A variety of procedures for Rayleigh fading channel, single path and multipath frequency selective
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正交频分复用是一种多载波宽带数字调制技术。相比一般的数字通信系统，
它具有频带利用率高和抗多径干扰能力强等优点，因而适合于高速率的无线通信系统。-
OFDM Simulator
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MIMO OFDM Simulator:
OFDM.m: OFDM Simulator (out
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using Jakes model to simulate rayleigh channel fading-using Jakes model to simulate rayleigh channel fading
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服从频率选择性衰落并且也服从瑞利衰落的信道。-Subject to frequency selective fading and also subject to Rayleigh fading channel.
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MIMO 系统仿真，对时变信道的自适应调制-erq.m : function for ERQ algorithm in MIMO systems
space_wf.m : function for spatial domain power waterfilling
st_wf.m : function for spatial and temporal domain waterfilling
MIMO_rate.m : Plot spectral efficiency vs SNR f
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Wrapper Matlab scr ipt to design a frequency selective Rayleigh channel
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利用Channel Equalizer公式與附件main.m等程式，並選擇Flat=0之模式(該模式為Frequency Selective Fading)及產生Doppler = 500 Hz之Rayleigh fading Channel，利用已知Channel Parameters (rcos, rsin) 增修接收機之Channel Equalizer程式-Channel Equalizer using the formula and accessories main.m other p
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Matlab code to simulation the wireless channel type.This is the most common case called Rayleigh channel.And in the frequency selective channel.
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無線通訊中的環境大多為頻率平坦衰弱通道或是頻率選擇性衰弱通道.瑞利分佈為大多延研究的模型,當有多信道輸入
時,其包跡的選擇可以用來測試通道~-Wireless communication frequency in the environment, mostly flat or frequency selective channel debilitating weakness channel. Rayleigh distribution model for most of the extens
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要求对有3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真，并与在理想的AWGN信道中同样系统的BER性能进行比较。熟悉瑞利平坦衰落、莱斯平坦衰落与频率选择性衰落的特点，比较这些衰落信道的误码率。-Required to have three fixed-path AWGN multipath channels of QPSK system BER performance simulation, and in an ideal AWGN channel with the same
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Ergodic Capacity, Capacity Distribution and
Outage Capacity of MIMO Time-Varying and
Frequency-Selective Rayleigh Fading Channels
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Channel estimation for Rayleigh frequency selective fading
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Though the total channel is a frequency selective channel, the channel experienced by each subcarrier in an OFDM system is a flat fading channel with each subcarrier experiencing independent Rayleigh fading.
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qpsk仿真下面是该例子的源程序，P0、P1、P2分别是LOS路径和两条延迟瑞利分量的相对功率级。当p0=0且delay！=0时为瑞利频率选择性衰落，delay==0时为瑞利平坦衰落。-Here is the example qpsk simulation source, P0, P1, P2 are the LOS path Rayleigh component and two delayed relative power level. When p0 = 0 and the delay! =
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channel estiamtion for a rayleigh frequency selective fading
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OFDM下的信道估计，在频率选择性rayleigh信道下五条多径下测试，并作出信道估计性能曲线(The channel estimation under OFDM is tested under five multipaths under the frequency selective Rayleigh channel, and the channel estimation performance curve is made.)
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The increasing need for high data-rate transmissions over time- or frequency-selective fading channels has drawn attention to modulation schemes with high spectral efficiency such as QAM. With the aim of increasing the “diversity order” of the signal
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