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Description: LDPC码既低密度奇偶校验码（Low Density Parity Check Code，LDPC），它由Robert G.Gallager博士于1963年提出的一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低, 结构灵活，是近年信道编码领域的研究热点，目前已广泛应用于深空通信、光纤通信、卫星数字视频和音频广播等领域。LDPC码已成为第四代通信系统(4G)
-LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and simplified log-domain SPA decoder.
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Size: 8192 |
Author: 天天 |
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Description: verilog实现awgn信道噪声的代码，支持可变的信噪比。利用移位寄存器来实现伪随机序列。-verilog code for implementation of awgn channel noise. support variable snr. use LSFR to implement the pseudo random sequence.
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Size: 10555392 |
Author: xiejin |
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Description: 信噪比可变的加性高斯白噪声信道下信号发生器的VHDL语言编程实现-the realization of data-creater on AWGN channel
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Size: 69632 |
Author: 由佳彬 |
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Description: 高斯白噪声的VHDL实现。伪随机序列只能输出均匀噪声，需要打乱相关性。-awgn in vhdl
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Size: 1024 |
Author: terry.ding |
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