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这篇实验报告阐述了无线通信系统仿真的原理。主要完成两个任务，任务一是BPSK调制在AWGN信道和在rayleigh信道下的性能比较，任务二 CDMA扩频多用户系统。这篇报告介绍了相关原理，并且在附录上有matalb源代码及注释。-This report describes the experimental wireless communications system simulation theory. Completed two major tasks, First, the task BPS
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matlab code Rayleigh Channel
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本文在介绍MIMO无线通信系统模型的基础上，通过对比分析几种常用空时编码方法，选定空时分组码对信号进行编码并建立瑞利衰落信道模型，通过对两发一收及两发两收系统的仿真，研究接收天线数对系统接收信号可靠性的影响。之后进一步扩展到不同发射矩阵条件下研究多发一收系统的频谱利用率及误符号率，分析不同天线数目，不同发射矩阵条件下空时正交分组码检测算法的性能。-This paper introduced the MIMO wireless communication system model, through
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bpsk ofdm over rayleigh channel Matlab code source
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This code plots the receiver operating characteristics (ROC) curve for Rayleigh channel. The formulas for the probability of detection and the probability of false alarm are taken the following paper:
Digham, F.F. Alouini, M.-S. Simon, Marvin K.,
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This code plots the receiver operating characteristics (ROC) curve for Rayleigh channel.
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分析了LDPC码在瑞利衰落信道下的性能和代码优化-LDPC codes in Rayleigh fading channel is analyzed and performance of code optimization
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This code to demonstrate the performance Rayleigh fading channel
With Maximum Ratio Combining (MRC)-This code to demonstrate the performance Rayleigh fading channel
With Maximum Ratio Combining (MRC)
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Our system is a 4×4 MIMO Rayleigh channel with uncorrelated distributions. The modulation used is QPSK. We wish to simulate the performance of the system with the following configurations:
I. Uncoded system (𝑟 =4)
In this scheme transmitte
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