搜索资源列表
bch
- BCH 编解码的MATLAB 实现。BCH码是一类重要而有效的纠正多个随机错误的循环码,由于该码具有严格的代数结构,所以是到目前为止研究得最为详尽、应用最为广泛的一类码,已有多种译码算法。-BCH codec of MATLAB. BCH is a kind of important and effective redress the wrong number of random cyclic code, as the code strictly algebraic structure, it
GA
- 通过多目标优化算法计算了多决策的全局最优值。而且包含解码程序。-Through multi-objective optimization algorithm for calculating a number of global optimal values of decision-making. And decoding procedures contain.
SphereDecoder
- 用于MIMO检测的sphere decoder程序- This function implements a soft output sphere decoder. Based on the paper: C. Studer, M. Wenk, A. Burg, and H. Blocskei: "Soft-Output Sphere Decoding: Performance and Implementation Aspects", Asilomar 2006
test_OverLoad_menu
- TURBO译码计算速对测试(菜单式) 设定计算时长,检测单位时间内的译码bit数 该程序用于定性分析各种译码算法在不同条件下的计算速度 其计算比特率是对算法复杂性的直观反映。-TURBO decoding computation speed of the test (menu type) set length of time calculated to detect bit decoding unit of time the number of procedures for the
turbo
- turbo码matlab程序,仿真图,编码译码,交织器,迭代次数。-turbo codes matlab, emulation map, coding and decoding, interleaver, the number of iterations.
Errors_And_Erasures_Test
- 通信编码译码软件开发主要用于一些常规软件的实现-Communication code decoding software development is mainly used for the realization of a number of conventional software
ldpc_decode
- 基于对数的置信度传播算法的LDPC译码程序,ldpc_decode.m -Based on the number of belief propagation algorithm for LDPC decoding process, ldpc_decode.m
ldpc
- 在AWGN信道下BPSK调制LDPC码的误码率,以及调用函数“对数域和LDPC译码算法”,把发送的信号的矩阵为零矩阵,用MatlaB运行 -BPSK modulation in AWGN channel bit error rate of the LDPC code, and call the function "of the number of domains and LDPC decoding algorithm, the matrix of the transmitted signal
RM_code
- 1、本程序用于仿真里德-穆勒(Reed-Muller)码在AWGN信道中的性能,调制采用bpsk 2、理论请参见《差错控制编码》(第二版),Shu Lin(美)编,晏坚等(译)一书P70-75.且仿真结果与书中图4-2完全一致 3、BPSK_AWGN_RM_Code.m为主程序,点击运行即可 4、The_creation_of_RM_code.m和RM_Decode.m分别为RM码的编、译码程序,而Majority_logic_decision.m用于译码中的大数判决,combine
Viterbi
- 详细的卷积编码与维特比译码算法。产生随机信号,对信号进行卷积编码,然后经过数值转换、格雷编码,QPSK调制,进入加噪信道,之后进行QPSK解调,格雷解码, 数制转换、 维特比译码得到接收端的信号。-Detailed convolutional coding and Viterbi decoding algorithm. Random signal, the signal convolution coding, and then through numeric conversion, Gray c
OFDM_basic
- 多输人多输出(MIMO)技术是第三代和未来移动通信与个人通信系统实现高数据速率,提高传输质量 的重要途径[1 ]。目前MIMO系统中使用的发射方案主要包括:①贝尔分层空时结构BI STA(Bell Layered Space Time Architecture)[。 ;②正交空时分组码OSTBC(Orthogonal Space Time Block Coding) ;⑧空时 格型编码STTC(Space Time Trellis Coding) 。-Motivated by the
qrm
- QRMMLD算法主程序 仿真 应用 需要主程序调用 请自行解决-Motivated by the need for high throughput sphere decoding formultipleinput- multiple-output (MIMO) communication systems, we propose a parallel depth-first sphere decoding (PDSD) algorithm that provides the advan
ldpc-decoder-matlab
- Specify the condition to stop the decoding iterations as one of Maximum iteration count | Parity check satisfied . The default is Maximum iteration count . When you set this property to Maximum iteration count , the object will iterate for the number
softdectry
- This soft decoding algorithm for the sumproduct implementation of the ldpc codoes. The program calculates the log likelihood ratio. And add them all in the . After running the programme type Eji to fing the final matrix of lg likelyhood ratios.H=L
xhmdecode
- 循环码最大的特点就是码字的循环特性,所谓循环特性是指:循环码中任一许用码组经过循环移位后,所得到的码组仍然是许用码组,也就是说,不论是左移还是右移,也不论移多少位,仍然是许用的循环码组. 译码过程 第一步:由接收码字 Rx与监督矩阵相乘得出错误图样S; 第二步:判断S是否为零。若不为零,则出错。在假定至多只有一位错的情况下,可以有效地译出相应的信息码字。 第三步:在出错的情况下,将S与标准监督矩阵对比,得出错误的比特位并进行更正得出前四位为信息码字。-Ring
Genetic-Algorithm
- 遗传算法编码、解码、遗传、交叉、变异程序程序,可根据数据数量、编码长度等对数据进行编码等相关的操作-Genetic Algorithm encoding, decoding, genetic, crossover and mutation program procedures, and other related operations for encoding data according to the number, length coding data