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BERcurve_CV_soft2_QA.zip
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) ...
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IS-95basebandsimulation.rar
... 9.6 KBps rate.
The simulation is written for static channel and AWGN noise. The packet include:
1) Packet Builder (Viterbi Encoding, Interleaver, PN generation)
2) Modulator (RRC filter)
3) Demodulator (Matched Filter, RAKE receiver)
4) Receiver ...
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viterbi1.rar
viterbi译码的S函数程序,已通过验证,对使用matlab的simulink者有很大的帮助
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Punctured_2_1_N_.rar
给出了由(2 ,1 ,N) 系列卷积码作为母码产生的punctured 卷积码的编码及其Viterbi 译码的
软件实现方法,从而为各种不同码率的卷积码的编、译码给出了一种通用的实现方法,并且为多级
编码分量码的设计提供了条件
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convolutiondecode.rar
％ 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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