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提供了一个硬判决的viterbi译码器(2,1,3) 有源程序及算法描述,未成定稿,只供参考 (vhdl 语言描述) -provided a hard decision of the Viterbi Decoder (2,1, 3) the source code and the algorithm description, from his position as final, for reference (vhdl Description Language)
Update : 2008-10-13 Size : 3.19mb Publisher : 潘 应 云

卷积码译码算法改进 实现Conv.(2,1,9)的编码、软判决滑动窗维特比译码,其生成多项式为G0=561(八进制),G1=753(八进制),调制方式为BPSK,信道为AWGN,比较不同的译码深度对译码器性能的影响-convolutional code decoding algorithm to improve achievement Conv. (2,1,9) of the Code, Soft Decision sliding window Viterbi Decoder, generating polynomial for the G0 = 561 (octal), G1 = 753 (octal), for BPSK modulation mode, channel for AWGN, compare different depth of decoding decoder performance of
Update : 2008-10-13 Size : 46.07kb Publisher : 李春晖

卷积码译码算法改进 实现Conv.(2,1,9)的编码、软判决滑动窗维特比译码,其生成多项式为G0=561(八进制),G1=753(八进制),调制方式为BPSK,信道为AWGN,比较不同的译码深度对译码器性能的影响-convolutional code decoding algorithm to improve achievement Conv. (2,1,9) of the Code, Soft Decision sliding window Viterbi Decoder, generating polynomial for the G0 = 561 (octal), G1 = 753 (octal), for BPSK modulation mode, channel for AWGN, compare different depth of decoding decoder performance of
Update : 2025-02-19 Size : 46kb Publisher : 李春晖

DL : 0
Viterbi Algorithm & Viterbi Decoder Matlab Code.(Provided both soft & hard decision ability). Note: The main function is viterbi.m
Update : 2025-02-19 Size : 3kb Publisher : Nick

Viterbi decoder algorithm
Update : 2025-02-19 Size : 549kb Publisher : Hossam Ahmed

verilog程序,实现了(2,1,4)卷积码编码,和基于回溯算法的维特比译码器-verilog program to achieve the (2,1,4) convolutional code encoding, and algorithm based on the back of the Viterbi decoder
Update : 2025-02-19 Size : 3kb Publisher : xiongherui

DL : 0
This function implememts Soft Output Viterbi Algorithm in trace back mode Input: rec_s: scaled received bits. rec_s(k) = 0.5 * L_c(k) * y(k) L_c = 4 * a * Es/No, reliability value of the channel y: received bits g: encoder generator matrix in binary form, g(1,:) for feedback, g(2,:) for feedforward L_a: a priori information about the info. bits. Extrinsic info. from the previous component decoder ind_dec: index of the component decoder. =1: component decoder 1 The trellis is terminated to all zero state =2: component decoder 2 The trellis is not perfectly terminated. Output: L_all: log ( P(x=1|y) ) / ( P(x=-1|y) ) Frame size, info. + tail bits- This function implememts Soft Output Viterbi Algorithm in trace back mode Input: rec_s: scaled received bits. rec_s(k) = 0.5 * L_c(k) * y(k) L_c = 4 * a * Es/No, reliability value of the channel y: received bits g: encoder generator matrix in binary form, g(1,:) for feedback, g(2,:) for feedforward L_a: a priori information about the info. bits. Extrinsic info. from the previous component decoder ind_dec: index of the component decoder. =1: component decoder 1 The trellis is terminated to all zero state =2: component decoder 2 The trellis is not perfectly terminated. Output: L_all: log ( P(x=1|y) ) / ( P(x=-1|y) ) Frame size, info. + tail bits
Update : 2025-02-19 Size : 1kb Publisher : yk

DL : 0
维特比算法,用于对卷积码进行解码,算法最小化汉明距离而不是似然函数-Viterbi algorithm. The Viterbi decoder for convolutional codes.This algorithm minimizes the metric rather than maximizingthe likelihood.
Update : 2025-02-19 Size : 2kb Publisher : 李银银

信道解码viterbi算算法的matlab实现,详细 -Channel decoder viterbi Algorithm for Matlab realization
Update : 2025-02-19 Size : 5kb Publisher :

实现(2,1,6)卷积码的维比特译码源程序,采用了最大似然算法 介绍了软判决维特比译码算法过程的三个步骤:初始化,度量更新和回溯译码 -Achieve (2,1,6) convolutional code Viterbi decoder source code, using the maximum likelihood algorithm for soft decision Viterbi decoding algorithm process three steps: initialization, metric updating and backtracking translation code
Update : 2025-02-19 Size : 7kb Publisher : mary
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