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Description: 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
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Size: 47171 |
Author: 李春晖 |
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Description: OFDM相关的维特比算法、BPSK调制等-OFDM related to the Viterbi algorithm, such as BPSK modulation
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Size: 9038 |
Author: King |
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Description: Computes BER v EbNo curve for convolutional encoding / soft decision
Viterbi decoding scheme assuming BPSK.
Brute force Monte Carlo approach is unsatisfactory (takes too long)
to find the BER curve.
The computation uses a quasi-analytic (QA) technique that relies on the
estimation (approximate one) of the information-bits Weight Enumerating
Function (WEF) using
A simulation of the convolutional encoder. Once the WEF is estimated, the analytic formula for the BER is used.
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Size: 6200 |
Author: joy |
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Description: ％ decode with soft-input viterbi algorithm 硬判决
％ //k=4,r=1/2
％输入数据为软信息，并且数据为均值为1的BPSK调制，如果均值为MEAN,那么62,63,103,104行应做相应修改
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Size: 1831 |
Author: 陈富龙 |
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Description: 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
Platform: |
Size: 47104 |
Author: 李春晖 |
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Description: OFDM相关的维特比算法、BPSK调制等-OFDM related to the Viterbi algorithm, such as BPSK modulation
Platform: |
Size: 9216 |
Author: King |
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Description: Computes BER v EbNo curve for convolutional encoding / soft decision
Viterbi decoding scheme assuming BPSK.
Brute force Monte Carlo approach is unsatisfactory (takes too long)
to find the BER curve.
The computation uses a quasi-analytic (QA) technique that relies on the
estimation (approximate one) of the information-bits Weight Enumerating
Function (WEF) using
A simulation of the convolutional encoder. Once the WEF is estimated, the analytic formula for the BER is used.-Computes BER v EbNo curve for convolutional encoding/soft decision Viterbi decoding scheme assuming BPSK. Brute force Monte Carlo approach is unsatisfactory (takes too long) to find the BER curve.The computation uses a quasi-analytic (QA) technique that relies on theestimation (approximate one) of the information-bits Weight Enumerating Function (WEF) usingA simulation of the convolutional encoder. Once the WEF is estimated, the analytic formula for the BER is used.
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Size: 6144 |
Author: joy |
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Description: ％ decode with soft-input viterbi algorithm 硬判决
％ //k=4,r=1/2
％输入数据为软信息，并且数据为均值为1的BPSK调制，如果均值为MEAN,那么62,63,103,104行应做相应修改- Decode with soft-input viterbi algorithm hard-decision// k = 4, r = 1/2 input data for the soft information and data for the average one of BPSK modulation, if the average for the MEAN, then the line should 62,63103104 make consequential amendments to
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Size: 2048 |
Author: 陈富龙 |
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Description: simulink实现bpsk的均衡技术，这里用的是mlse均衡器，看起来简单，其实这里包括了调制，解调，多径和均衡等技术-simulink realization of the balanced BPSK technology, here is the MLSE equalizer, looks simple, in fact, here including the modulation, demodulation, multipath and balanced technical
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Size: 8192 |
Author: cyq0220 |
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Description: 基于卷积码的维特采用bpsk调制方式的维特比译码程序，-Based on the Viterbi convolutional codes using BPSK modulation Viterbi procedures,
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Size: 5120 |
Author: 王子楠 |
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Description: Script for computing the BER for BPSK modulation in AWGN with
Hard and Soft decision Viterbi decoding with traceback
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Size: 2048 |
Author: ramakrishna |
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Description: 实现了卷积编码和维特比译码，也有简单的BPSK调制解调过程。-Achieved a convolution coding and Viterbi decoding, but also a simple BPSK modulation and demodulation process.
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Size: 78848 |
Author: yingying |
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Description: 目录结构
├─WuYuFei
├─WuYufei_matlab
├─cap_turbo
├─mother
└─paper
[WuYuFei]中是WuYuFei的论文
[WuYufei_matlab]是WuYufei的Matlab程序
做Turbo码，恐怕很难绕过WuYufei的程序，呵呵
[cap_turbo]和[mother]是我在研究阶段的工作
走了很多弯路，所以这两个目录必然有很多错误而且很混乱
如果想了解一下我的研究历程可以看看，切不可拿来修炼，否则走火入魔俺不管。
[paper]是对简化算法的研究总结。译码程序完全是自己写的，已经系统整理过了。
constituent_decoder_SemiTh.m
constituent_decoder_logmap.m
constituent_decoder_max.m
constituent_decoder_Th.m
这四个文件是子译码器
interleaver_3GPP.m
3GPP标准的交织器。Turbo.m中可以选择是用伪随机交织还是3GPP标准交织
decoder_all_algorithm.m
译码器，其中包含了3种译码算法
test_OverLoad_menu.m
对运算负荷的测试程序
test_algorithm_menu.m
对算法的测试程序
Shannon_Limit.m
香农限
test_uncoded_BPSK.m
test_uncoded_BPSK_theory.m
未编码BPSK的性能，一个是理论的，另外一个是测试的。-Turbo simulink
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Size: 2624512 |
Author: doublesex |
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Description: decodage viterbi sous C .
codage convolutif, modulation BPSK, decodage viterbi-decodage viterbi sous C .
codage convolutif, modulation BPSK, decodage viterbi..
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Size: 202752 |
Author: Naim |
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Description: 卷积码的实现，c比matlab快很多。Script for computing the BER for BPSK modulation in AWGN with
Hard and Soft decision Viterbi decoding with traceback-discuss a simple binary convolutional
coding scheme at the transmitter and the associated Viterbi (maximum likelihood)
decoding scheme at the receiver.
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Size: 8192 |
Author: sijiu |
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Description: 基于维特比译码算法的BPSK解调方式，survivor_state是一个矩阵，它显示了通过网格的最优路径，这个矩阵通过一个单独的函数metric(x,y)给出，这个算法既能用于硬判决译码也能用于软判决译码。
-BPSK demodulation method based on viterbi decoding algorithm, survivor_state is a matrix, the optimal path of it shows through the grid, the metric matrix through a separate function (x, y), the algorithm can not only used for decoding hard decision can also be used to the soft decision decoding.
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Size: 5120 |
Author: duanyy |
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Description: 卷积码的编码，卷积码的维特比译码，运用bpsk编码实现的-Coding convolutional codes, Viterbi decoding convolutional codes, the use of coding to achieve bpsk
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Size: 6144 |
Author: 菲璐 |
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Description: 卷积码，Bpsk调制，利用硬解码和维特比软译码(Convolutional code, Bpsk modulation, using hard decoding and Viterbi soft decoding)
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Size: 1024 |
Author: rango
|
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Description: BPSK调制，卷积编码，硬判决，维特比译码，误比特率(BPSK modulation, convolutional coding, hard decision, Viterbi decoding, bit error rate)
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Size: 7168 |
Author: zhiliao7
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Description: BPSK与模拟通信系统相比，数字调制和解调同样是通过某种；在大多数情况下，数字调制是利用数字信号的离散值去；三种数字调制方式在抗干扰噪声能力和信号频谱利用率；2BPSK调制原理；二进制相移键控（BPSK）是利用基于MATLAB中的BPSK误码性能研究；
MATLAB提供了卷积码的convenc和相应的Viterbi译码函数vitdec，可以快速地得到编译码的结果。(BPSK compared with the analog communication system, digital modulation and demodulation is also through some; in most cases, digital modulation is discretized using the digital signal value; three kinds of digital modulation in the utilization of anti noise ability and signal spectrum principle; 2BPSK modulation; two for phase shift keying (BPSK) is the use of study on the BER performance of MATLAB based on BPSK;
MATLAB provides convolutional code convenc and the corresponding Viterbi decoding function vitdec, which can quickly get the result of encoding and decoding.)
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Size: 48128 |
Author: BBT995
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