LDPC.rar_252x504_regular.mat_LDPC仿真_LDPC性能仿真_ldpcmatlab

共15个文件

jpg：4个

m：4个

mat：3个

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18 浏览量 2022-07-15 02:51:19 上传评论收藏 171KB RAR 举报

标题中的"LDPC.rar_252x504_regular.mat_LDPC 仿真_LDPC性能仿真_ldpc matlab_ldpc-" 提供了几个关键信息点，首先是“LDPC”，这代表低密度奇偶校验（Low-Density Parity Check）码，一种用于错误纠正的高效编码技术。"252x504_regular.mat" 指的是一个MATLAB文件，可能包含了252行504列的矩阵，描述了一个特定的、规则构造的LDPC码。后面的“仿真”和“性能仿真”表明这个MATLAB文件是用来模拟LDPC码在实际应用中的性能。 LDPC码是现代通信系统中广泛使用的前向纠错编码（Forward Error Correction, FEC）之一。它通过构建稀疏的校验矩阵来实现高效的数据保护，能够在保持较低的复杂度的同时，提供接近香农限的性能。"252x504"可能表示编码的码率或者校验节点与信息节点的数量关系，"regular"则意味着该LDPC码是规则构造的，即所有校验节点和信息节点的连接度都是一致的。描述中的“LDPC性能仿真”指的是利用计算机模拟来评估LDPC码在不同信道条件下的误比特率（Bit Error Rate, BER）和帧误率（Frame Error Rate, FER）。这是评估编码效率和优化系统设计的重要步骤。通过仿真，我们可以观察在高斯白噪声信道、Rayleigh衰落信道或其他实际通信环境中，LDPC码如何改善数据传输的可靠性。压缩包内的文件名称列表提供了更多的上下文： 1. "BER.jpg"：这可能是关于误比特率的图表，展示了随着SNR（信噪比）变化，LDPC码的误比特率表现。这种图通常用于分析和比较不同编码方案的性能。 2. "FER.jpg"：与误比特率类似，这是帧误率的图表，可能呈现了在不同信道条件下整个数据帧出错的概率。 3. "www.pudn.com.txt"：这可能是一个链接或引用来源，指出仿真数据或代码的获取路径，也可能包含有关仿真设置的附加信息。 4. "289418LDPCmatlab1111"：看起来像是一个文件名，可能是LDPC码的MATLAB仿真代码，具体实现可能包括码的生成、编码、解码算法以及性能评估的函数。这个压缩包内容涉及了使用MATLAB进行LDPC码的性能仿真，包括了关键的性能指标（如误比特率和帧误率），并且提供了可能的仿真代码和数据源，这对于研究和理解LDPC码在通信系统中的应用具有重要价值。

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LDPC.rar （15个子文件）

BER.jpg 64KB

www.pudn.com.txt 218B

FER.jpg 60KB

289418LDPCmatlab1111

128x256regular_v6.mat 32KB

BER.jpg 64KB

bpsk.m 347B

128x256regular_v8.mat 227B

128x256_regular_results.txt 82KB

128x256regular.mat 2KB

generic_simulator_nonsys.m 5KB

decode_ldpc.dll 7KB

FER.jpg 60KB

decode_ldpc_matlab.m 3KB

decode_ldpc_new.dll 20KB

one_finder.m 3KB

SNR = 0.0E+000dB BER = 1.309E-001 FER = 1.250E+000 blocks = 4 blockerrors = 5 biterrors = 134 SNR = 0.0E+000dB BER = 1.293E-001 FER = 1.111E+000 blocks = 9 blockerrors = 10 biterrors = 298 SNR = 0.0E+000dB BER = 1.345E-001 FER = 1.071E+000 blocks = 14 blockerrors = 15 biterrors = 482 SNR = 0.0E+000dB BER = 1.310E-001 FER = 1.053E+000 blocks = 19 blockerrors = 20 biterrors = 637 SNR = 0.0E+000dB BER = 1.344E-001 FER = 1.042E+000 blocks = 24 blockerrors = 25 biterrors = 826 SNR = 0.0E+000dB BER = 1.228E-001 FER = 1.000E+000 blocks = 30 blockerrors = 30 biterrors = 943 SNR = 1.0E+000dB BER = 6.250E-002 FER = 8.333E-001 blocks = 6 blockerrors = 5 biterrors = 96 SNR = 1.0E+000dB BER = 7.878E-002 FER = 8.333E-001 blocks = 12 blockerrors = 10 biterrors = 242 SNR = 1.0E+000dB BER = 6.286E-002 FER = 6.818E-001 blocks = 22 blockerrors = 15 biterrors = 354 SNR = 1.0E+000dB BER = 7.133E-002 FER = 7.407E-001 blocks = 27 blockerrors = 20 biterrors = 493 SNR = 1.0E+000dB BER = 7.324E-002 FER = 7.813E-001 blocks = 32 blockerrors = 25 biterrors = 600 SNR = 1.0E+000dB BER = 7.021E-002 FER = 7.895E-001 blocks = 38 blockerrors = 30 biterrors = 683 SNR = 2.0E+000dB BER = 3.398E-002 FER = 5.000E-001 blocks = 10 blockerrors = 5 biterrors = 87 SNR = 2.0E+000dB BER = 2.881E-002 FER = 4.167E-001 blocks = 24 blockerrors = 10 biterrors = 177 SNR = 2.0E+000dB BER = 1.989E-002 FER = 3.409E-001 blocks = 44 blockerrors = 15 biterrors = 224 SNR = 2.0E+000dB BER = 1.982E-002 FER = 3.704E-001 blocks = 54 blockerrors = 20 biterrors = 274 SNR = 2.0E+000dB BER = 2.029E-002 FER = 3.731E-001 blocks = 67 blockerrors = 25 biterrors = 348 SNR = 2.0E+000dB BER = 1.902E-002 FER = 3.571E-001 blocks = 84 blockerrors = 30 biterrors = 409 SNR = 3.0E+000dB BER = 3.265E-003 FER = 7.463E-002 blocks = 67 blockerrors = 5 biterrors = 56 SNR = 3.0E+000dB BER = 1.953E-003 FER = 4.762E-002 blocks = 210 blockerrors = 10 biterrors = 105 SNR = 3.0E+000dB BER = 1.938E-003 FER = 5.639E-002 blocks = 266 blockerrors = 15 biterrors = 132 SNR = 3.0E+000dB BER = 2.039E-003 FER = 5.831E-002 blocks = 343 blockerrors = 20 biterrors = 179 SNR = 3.0E+000dB BER = 1.944E-003 FER = 5.656E-002 blocks = 442 blockerrors = 25 biterrors = 220 SNR = 3.0E+000dB BER = 2.336E-003 FER = 6.250E-002 blocks = 480 blockerrors = 30 biterrors = 287 SNR = 0.0E+000dB BER = 1.309E-001 FER = 1.250E+000 blocks = 4 blockerrors = 5 biterrors = 134 SNR = 0.0E+000dB BER = 1.293E-001 FER = 1.111E+000 blocks = 9 blockerrors = 10 biterrors = 298 SNR = 0.0E+000dB BER = 1.345E-001 FER = 1.071E+000 blocks = 14 blockerrors = 15 biterrors = 482 SNR = 0.0E+000dB BER = 1.310E-001 FER = 1.053E+000 blocks = 19 blockerrors = 20 biterrors = 637 SNR = 0.0E+000dB BER = 1.344E-001 FER = 1.042E+000 blocks = 24 blockerrors = 25 biterrors = 826 SNR = 0.0E+000dB BER = 1.228E-001 FER = 1.000E+000 blocks = 30 blockerrors = 30 biterrors = 943 SNR = 1.0E+000dB BER = 6.250E-002 FER = 8.333E-001 blocks = 6 blockerrors = 5 biterrors = 96 SNR = 1.0E+000dB BER = 7.878E-002 FER = 8.333E-001 blocks = 12 blockerrors = 10 biterrors = 242 SNR = 1.0E+000dB BER = 6.286E-002 FER = 6.818E-001 blocks = 22 blockerrors = 15 biterrors = 354 SNR = 1.0E+000dB BER = 7.133E-002 FER = 7.407E-001 blocks = 27 blockerrors = 20 biterrors = 493 SNR = 1.0E+000dB BER = 7.324E-002 FER = 7.813E-001 blocks = 32 blockerrors = 25 biterrors = 600 SNR = 1.0E+000dB BER = 7.021E-002 FER = 7.895E-001 blocks = 38 blockerrors = 30 biterrors = 683 SNR = 2.0E+000dB BER = 3.398E-002 FER = 5.000E-001 blocks = 10 blockerrors = 5 biterrors = 87 SNR = 2.0E+000dB BER = 2.881E-002 FER = 4.167E-001 blocks = 24 blockerrors = 10 biterrors = 177 SNR = 2.0E+000dB BER = 1.989E-002 FER = 3.409E-001 blocks = 44 blockerrors = 15 biterrors = 224 SNR = 2.0E+000dB BER = 1.982E-002 FER = 3.704E-001 blocks = 54 blockerrors = 20 biterrors = 274 SNR = 2.0E+000dB BER = 2.029E-002 FER = 3.731E-001 blocks = 67 blockerrors = 25 biterrors = 348 SNR = 2.0E+000dB BER = 1.902E-002 FER = 3.571E-001 blocks = 84 blockerrors = 30 biterrors = 409 SNR = 3.0E+000dB BER = 3.265E-003 FER = 7.463E-002 blocks = 67 blockerrors = 5 biterrors = 56 SNR = 3.0E+000dB BER = 1.953E-003 FER = 4.762E-002 blocks = 210 blockerrors = 10 biterrors = 105 SNR = 3.0E+000dB BER = 1.938E-003 FER = 5.639E-002 blocks = 266 blockerrors = 15 biterrors = 132 SNR = 3.0E+000dB BER = 2.039E-003 FER = 5.831E-002 blocks = 343 blockerrors = 20 biterrors = 179 SNR = 3.0E+000dB BER = 1.944E-003 FER = 5.656E-002 blocks = 442 blockerrors = 25 biterrors = 220 SNR = 3.0E+000dB BER = 2.336E-003 FER = 6.250E-002 blocks = 480 blockerrors = 30 biterrors = 287 SNR = 0.0E+000dB BER = 1.309E-001 FER = 1.250E+000 blocks = 4 blockerrors = 5 biterrors = 134 SNR = 0.0E+000dB BER = 1.293E-001 FER = 1.111E+000 blocks = 9 blockerrors = 10 biterrors = 298 SNR = 0.0E+000dB BER = 1.345E-001 FER = 1.071E+000 blocks = 14 blockerrors = 15 biterrors = 482 SNR = 0.0E+000dB BER = 1.310E-001 FER = 1.053E+000 blocks = 19 blockerrors = 20 biterrors = 637 SNR = 0.0E+000dB BER = 1.344E-001 FER = 1.042E+000 blocks = 24 blockerrors = 25 biterrors = 826 SNR = 0.0E+000dB BER = 1.228E-001 FER = 1.000E+000 blocks = 30 blockerrors = 30 biterrors = 943 SNR = 1.0E+000dB BER = 6.250E-002 FER = 8.333E-001 blocks = 6 blockerrors = 5 biterrors = 96 SNR = 1.0E+000dB BER = 7.878E-002 FER = 8.333E-001 blocks = 12 blockerrors = 10 biterrors = 242 SNR = 1.0E+000dB BER = 6.286E-002 FER = 6.818E-001 blocks = 22 blockerrors = 15 biterrors = 354 SNR = 1.0E+000dB BER = 7.133E-002 FER = 7.407E-001 blocks = 27 blockerrors = 20 biterrors = 493 SNR = 1.0E+000dB BER = 7.324E-002 FER = 7.813E-001 blocks = 32 blockerrors = 25 biterrors = 600 SNR = 1.0E+000dB BER = 7.021E-002 FER = 7.895E-001 blocks = 38 blockerrors = 30 biterrors = 683 SNR = 2.0E+000dB BER = 3.398E-002 FER = 5.000E-001 blocks = 10 blockerrors = 5 biterrors = 87 SNR = 2.0E+000dB BER = 2.881E-002 FER = 4.167E-001 blocks = 24 blockerrors = 10 biterrors = 177 SNR = 2.0E+000dB BER = 1.989E-002 FER = 3.409E-001 blocks = 44 blockerrors = 15 biterrors = 224 SNR = 2.0E+000dB BER = 1.982E-002 FER = 3.704E-001 blocks = 54 blockerrors = 20 biterrors = 274 SNR = 2.0E+000dB BER = 2.029E-002 FER = 3.731E-001 blocks = 67 blockerrors = 25 biterrors = 348 SNR = 2.0E+000dB BER = 1.902E-002 FER = 3.571E-001 blocks = 84 blockerrors = 30 biterrors = 409 SNR = 3.0E+000dB BER = 3.265E-003 FER = 7.463E-002 blocks = 67 blockerrors = 5 biterrors = 56 SNR = 3.0E+000dB BER = 1.953E-003 FER = 4.762E-002 blocks = 210 blockerrors = 10 biterrors = 105 SNR = 3.0E+000dB BER = 1.938E-003 FER = 5.639E-002 blocks = 266 blockerrors = 15 biterrors = 132 SNR = 3.0E+000dB BER = 2.039E-003 FER = 5.831E-002 blocks = 343 blockerrors = 20 biterrors = 179 SNR = 3.0E+000dB BER = 1.944E-003 FER = 5.656E-002 blocks = 442 blockerrors = 25 biterrors = 220 SNR = 3.0E+000dB BER = 2.336E-003 FER = 6.250E-002 blocks = 480 blockerrors = 30 biterrors = 287 SNR = 0.0E+000dB BER = 1.309E-001 FER = 1.250E+000 blocks = 4 blockerrors = 5 biterrors = 134 SNR = 0.0E+000dB BER = 1.293E-001 FER = 1.111E+000 blocks = 9 blockerrors = 10 biterrors = 298 SNR = 0.0E+000dB BER = 1.345E-001 FER = 1.071E+000 blocks = 14 blockerrors = 15 biterrors = 482 SNR = 0.0E+000dB BER = 1.310E-001 FER = 1.053E+000 blocks = 19 blockerrors = 20 biterrors = 637 SNR = 0.0E+000dB BER = 1.344E-001 FER = 1.042E+000 blocks = 24 blockerrors = 25 biterrors = 826 SNR = 0.0E+000dB BER = 1.228E-001 FER = 1.000E+000 blocks = 30 blockerrors = 30 biterrors = 943 SNR = 1.0E+000dB BER = 6.250E-002 FER = 8.333E-001 blocks = 6 blockerrors = 5 biterrors = 96 SNR = 1.0E+000dB BER = 7.878E-002 FER = 8.333E-001 blocks = 12 blockerrors = 10 biterrors = 242 SNR = 1.0E+000dB BER = 6.286E-002 FER = 6.818E-001 blocks = 22 blockerrors = 15 biterrors = 354 SNR = 1.0E+000dB BER = 7.133E-002 FER = 7.407E-001 blocks = 27 blockerrors = 20 biterrors = 493 SNR = 1.0E+000dB BER = 7.324E-002 FER = 7.813E-001 blocks = 32 bloc

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