Description: 主函数Alamouti(Nr,max_snr,max_err_symbol,symbol_per_frame)
调用函数QpskMapping(psudo_bit_sequence)--二进制数据到QPSK信号的变换
调用函数RayleighCH(Nr,Nt)--瑞利衰落信道模拟
仿真示例:
Alamouti(1,12,20,24)
说明:
1.2根发射天线、1根接收天线
2.最高信噪比为12dB,即仿真范围为0dB到12dB
3.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真
4.每一帧数据为24个QPSK符号
综合仿真函数SimAlamouti(max_snr,max_err_symbol,symbol_per_frame)
具有一根接收天线系统的SER性能与二根接收天线的系统SER性能比较
SimAlamouti(12,20,24)-The main function Alamouti (Nr, max_snr, max_err_symbol, symbol_per_frame) function call QpskMapping (psudo_bit_sequence)- binary data to the QPSK signal transformation function call RayleighCH (Nr, Nt)- Rayleigh fading channel Simulation Example: Alamouti (1,12 , 20,24) Description: 1.2 transmission antennas, a receiving antenna 2. the highest SNR 12dB, that is, simulation range of 0dB to 12dB 3. in each signal to noise ratio conditions, the misuse of symbols that stop a few more than 20 The signal to noise ratio under the conditions of simulation 4. each frame of data for the 24 QPSK symbols integrated simulation function SimAlamouti (max_snr, max_err_symbol, symbol_per_frame) with a receiving antenna system SER performance and two receive antenna system SER performance comparison SimAlamouti (12,20,24) Platform: |
Size: 204800 |
Author:老何 |
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Description: qpsk在raylaigh信道下的误码率曲线,及其瑞利分布函数-QPSK in under raylaigh channel bit error rate curve, and the Rayleigh distribution function Platform: |
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Description: 全面讲解Rayleigh Fading Channels
我收集的一点瑞利信道的资料,很不错的啊对初学者很有用的-Rayleigh Fading Channels fully explain that I have collected information on the Rayleigh channel, it is good ah very useful for beginners Platform: |
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两种调制方式,并在AWGN和瑞利信道两种信道模型下传输。-Channel coding using convolutional codes, decoding using the Viterbi decoder. Given modulation QPSK, 16QAM modulation in two ways, and in the AWGN and Rayleigh channel model of two-channel transmission. Platform: |
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Description: 仿真CDMA系统的信道,在输入所需用户序列和其他干扰用户序列后在信号上叠加高斯白噪声,干扰用户多径干扰和所需用户的多径干扰和衰落。并根据输入延时曲线产生信道延时,输出mul_fad_sequence为信道信号输出,max_delay为信道最大延迟,fade_sign为瑞利信道中最大幅度分量的衰落量,mpath_amp为信道多径的幅度因子-Simulation of CDMA systems channel, the import requirements of the user sequence and other interference in the signal sequence users superimposed Gaussian white noise, multipath interference interference users and required the user s multipath interference and fading. And in accordance with input delay curve generated channel delay, the output for mul_fad_sequence signal output channel, max_delay to channel the maximum delay, fade_sign Rayleigh channel for the decline of the most significant amount of weight, mpath_amp for multipath channel magnitude factor Platform: |
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Description: rice信道在matlab下的仿真,当k趋于无群大是,为高斯信道,反之为瑞利信道-rice under the channel in matlab simulation, when k tends to no group that is for the Gaussian channel and vice versa for the Rayleigh channel Platform: |
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