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这是lva算法,List of viterbi algorithm,使用qpsk信道,采用的编码是(133,171,165)-algorithm List of Viterbi algorithm, use qpsk channel, the coding is used (133,171,165)
Update : 2008-10-13 Size : 31.26kb Publisher : 孙洪亮

信道编码采用卷积码,解码使用Viterbi解码。调制给出QPSK、16QAM 两种调制方式,并在AWGN和瑞利信道两种信道模型下传输。
Update : 2008-10-13 Size : 20.91kb Publisher : zollone

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这是lva算法,List of viterbi algorithm,使用qpsk信道,采用的编码是(133,171,165)-algorithm List of Viterbi algorithm, use qpsk channel, the coding is used (133,171,165)
Update : 2025-02-17 Size : 454kb Publisher : 孙洪亮

信道编码采用卷积码,解码使用Viterbi解码。调制给出QPSK、16QAM 两种调制方式,并在AWGN和瑞利信道两种信道模型下传输。-Channel coding using convolutional codes, decoding using the Viterbi decoder. Given modulation QPSK, 16QAM modulation in two ways, and in the AWGN and Rayleigh channel model of two-channel transmission.
Update : 2025-02-17 Size : 21kb Publisher : zollone

Hard Viterbi QPSK in AWGN, Rayleight soft Viterbi QAM in AWGN, Rayleight viterbi QAM in AWGN, Rayleight viterbi QPSK in AWGN, Rayleight
Update : 2025-02-17 Size : 7.07mb Publisher : LeeWonju

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(2,1,2)的viterbi 解码 以TCM QPSK传输 信道为AWGN-(2,1,2) to the viterbi decoding TCM QPSK transmission channel for the AWGN
Update : 2025-02-17 Size : 260kb Publisher : cc

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viterbi 解码(2,1,6) 传输方式:tcm QPSK-viterbi decoder (2,1,6) transmission: tcm QPSK
Update : 2025-02-17 Size : 2kb Publisher : cc

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用matlab软件仿真了从卷积码编码,QPSK调制,AWGN信道,QPSK解调,以及Viterbi译码。-Using Matlab Simulate from the coding of convolutional code,Qpsk modulation ,AWGN channel ,Qpsk demodulation and Viterbi decoding。
Update : 2025-02-17 Size : 3kb Publisher : liufayu

It calculates tha Bit Error Rate of the QPSK modulation scheme with Viterbi code K=5
Update : 2025-02-17 Size : 1kb Publisher : Mitsos

TD-SCDMA的链路级仿真过程源代码分析,QPSK调制,维特比译码-TD-SCDMA link-level simulation analysis of source code, QPSK modulation, Viterbi decoding
Update : 2025-02-17 Size : 39kb Publisher : WR

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本代码是关于OFDM通信系统的仿真源程序,其中信道编码,QPSK调制,QPSK解调,FFT,IFFT,viterbi编译码,误比特统计,滤波等模块。-The code is on the OFDM communication system simulation source, which channel coding, QPSK modulation, QPSK demodulation, FFT, IFFT, viterbi decoding, bit error statistics, the filtering module.
Update : 2025-02-17 Size : 36kb Publisher : songji

Bit Error Rate of QPSK Modulation and Viterbi code with K=5
Update : 2025-02-17 Size : 1kb Publisher : Mitsos

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这是urban_macro信道加卷积编码的ofdm程序。 包含文件有:qpsk.m qpsk调制程序 deqpsk.m qpsk解调 ofdm_siglepath.m 单径瑞利衰落程序 sigle_path_conv.m 单径瑞利衰落信道加卷积编码程序 ofdm_urban_macro.m urban_macro信道的ofdm程序 ofdm_my.m urban_macro信道加卷积编码的ofdm程序 viterbi.m viterbi译码程序 cnv_encd.m 卷积编码程序 sigle_path_conv.fig 为单径瑞利衰落信道加卷积编码结果 ofdm_conv.doc 仿真报告-This is urban_macro channel plus ofdm convolutional coding procedures. Include files are: qpsk.m qpsk modulation demodulation process deqpsk.m qpsk ofdm_siglepath.m single Rayleigh fading process sigle_path_conv.m single Rayleigh fading channel plus convolution coding process ofdm_urban_macro.m urban_macro ofdm channel program ofdm_my.m urban_macro channel plus ofdm convolutional coding process viterbi.m viterbi decoding process cnv_encd.m convolutional coding process sigle_path_conv.fig single path Rayleigh fading channel plus convolution coding results ofdm_conv.doc Simulation Report
Update : 2025-02-17 Size : 50kb Publisher : loseword

The code implements VIterbi encoding and decoding with QPSK as the modulation scheme. It is very efficient gives a very small BER
Update : 2025-02-17 Size : 334kb Publisher : sss

通信系统仿真大作业,卷积码编码,QPSK调制,接收端维特比软判决。程序正确。-Communication system simulation a large operation, convolution coding, QPSK modulation, soft-decision Viterbi receiver. Program is correct.
Update : 2025-02-17 Size : 1kb Publisher : pjwgg

针对多输入多输出空间相关信道环境,提出了一种基于格规约理论的最小均方误差检测算法.该算法考虑了空间相关性的影响,利用复数Lenstra-Lenstra-Lovász格规约算法克服了传统的线性最小均方误差检测器分集阶数随相关系数增加而减小的缺点,使检测到的信号在高信噪比下可以达到比传统算法低个数量级的误码率.理论分析与仿真结果表明,在信道为Kronecker相关平坦衰落模型下,接收端采用最小均方误差信道估计,发射端采用QPSK调制未使用信道编码,当比特信噪比大于18dB时,基于格规约理论的最小均方误差检测器的误码率低于传统最小均方误差检测器的误码率 发射端采用(2,1,3)卷积码、接收端采用硬判决Viterbi译码,当信噪比大于16dB时,基于格规约理论的最小均方误差检测器的误码率低于传统最小均方误差检测器的误码率,且基于格规约理论的最小均方误差检测器的分集阶数不受相关系数的影响,等于接收天线数N.-Toovercomethedrawbackthatthediversityorderofthetraditionallinear MMSEdetection algorithmdecreaseswiththeincreaseofthecorrelationcoefficient,alattice-reduction-aidedMMSE(LRAMMSE) detectionalgorithmisproposedforspatialcorrelatedMIMOchannels.TheLRA-MMSEdetection algorithmconsiderstheeffectofspatialcorrelationinthealgorithm designandtakesadvantageofthe complexLenstra-Lenstra-Lovász(LLL)algorithmsothatitsBER(biterrorrate)isseveralordersof magnitudesmallerthanthatofthetraditionallinearMMSEdetectionatahighSNR(signaltonoiseratio). Theoreticalanalysisandsimulationresultsshowthatwith QPSK modulationandthe MMSEchannel estimatoratthereceiver,theuncodedBERoftheLRA-MMSEdetectorislowerthanthatofthetraditional linearMMSEdetectorifthebitSNR(Eb/N0)isgreaterthan18dB,whilethecodedBERoftheLRAMMSEdetectorislowerthanthatofthetraditionallinearMMSEdetectorifEb/ N0isgreaterthan16dB when(2,1,3)convolutionalchannelcodingandViterbidecodingareadoptedundertheKroneckercorrelated flatfadingchannel.Furthermo
Update : 2025-02-17 Size : 600kb Publisher : jgw

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相位移频键控的维特比解码 64状态 比较 回溯-QPSK viterbi decode
Update : 2025-02-17 Size : 4kb Publisher : suck

卷积编码,编码速率1/2 QPSK调制 维特比译码-Convolutional coding, coding rate QPSK modulation victor than 1/2 decoding
Update : 2025-02-17 Size : 4kb Publisher : 陈桂梅

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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 coding, QPSK modulation, plus noise into the channel, followed by QPSK demodulation, decoding Gray, number system conversion, Viterbi decoding to get the receiving end of the signal.
Update : 2025-02-17 Size : 1kb Publisher : 阿龙

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正交相移键控(Quadrature Phase Shift Keyin,QPSK)是一种数字调制方式。它分为绝对相移和相对相移两种。由于绝对相移方式存在相位模糊问题,所以在实际中主要采用相对移相方式DQPSK(QPSK SIMULATION Orthogonal phase shift keying (Quadrature Phase Shift Keyin, QPSK) is a digital modulation method. It is divided into two kinds: absolute phase shift and relative phase shift. As the phase ambiguity problem exists in the absolute phase shift mode, the relative phase shift mode DQPSK is used in practice.)
Update : 2025-02-17 Size : 1kb Publisher : YANG-TAO
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