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With using noisy data and created data, soft and hard decision are made by viterbi decoder
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Early termination enables powering
down parts of the soft-input soft-output (SISO) equalizer and decoder thereby saving power.
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G.711使用64Kbps的带宽，可将14bits转换成8bits。目前G.711有两个编码方式，A-law以及Mu-law。-G.711 defines two main compression algorithms, the µ -law algorithm (used in North America & Japan) and A-law algorithm (used in Europe and the rest of the world). Both are logarith
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8-32 kbit/s语音和视频的结构误差不稳定窄带和宽带嵌入式变数率编码-The G.718 encoder can accept wideband sampled signals at 16 kHz, or narrowband signals sampled at either 16 or 8 kHz. Similarly, the decoder output can be 16 kHz wideband, in addition to 16 or 8 kHz narrowband. I
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本文利用软输入软输出信道译码器输出对数似然比随相位偏差变化的规律得到低信噪比MPSK信号的
相位偏差代价函数，并提出一种求解该代价函数的迭代相位搜索方法，以相对较小的运算量实现较高精度的相
位估计。仿真表明，该算法在低信噪比下具有稳定的性能，并且能够克服大多相位估计算法都存在的相位模糊
问题。-In this paper, the soft input soft output channel decoder output log-likelihood ratio with the v
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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 generato
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VS2010及IT++4.2下实现PCCC在AWGN信道上的仿真-This program simulates Parallel Concatenated Convolutional Codes (PCCCs) of coding rate 1/3 using a turbo decoder with two SISO RSC modules.
Reference: S. Benedetto, D. Divsalar, G. Motorsi and F. Pollara, "A Sof
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VS2010及IT++4.2下实现SCCC在AWGN信道上的仿真-This program simulates Serially Concatenated Convolutional Codes (SCCCs) of coding rate 1/4 using a turbo decoder with a SISO NSC module and a SISO RSC module.
Reference: S. Benedetto, D. Divsalar, G. Motorsi and
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