Iterative decoding thoughts and soft decoding methods based on probability changed the study perspective of channel codes.
迭代译码思想和基于概率的软译码方法改变了信道编码技术的研究思想。
This article introduced the Channel Codes, and discussed the advantage and disadvantage of different types of Channel Codes.
介绍了几种主要的信道编码、译码原理 ,分析了他们的实现方法和性能 ,并对各种编码的优缺点进行了总结。
The design of channel codes for improving the reliability of communications over fading channel using multiple transmit antennas is considered.
空时编码采用多发送天线设计信道编码,联合考虑分集、编码与调制,从而提高信号在无线衰落信道中传输的可靠性。
In this talk, we introduce a new channel coding theory for time-slotted random multiple access networks, where users cannot jointly design their channel codes.
通信模式的核心假设就是各个用户之间不能够设计联合编码。
Handling of these issues is a premise for the creation of SOX and the drive to roll specific practices related to codes of conduct into the reporting channel and oversight process.
这些问题的处理对于创建SOX以及推动将有关行为准则的具体行为融入到报告和监管过程来说是一个前提。
In the absence of the base station, the phone will be free to choose one of the upstream channel signal launch codes.
在没有基站的情况下,手机将自主选择一个空闲的上行信道发射明码信号。
This algorithm serves particularly for decoding of the concatenated RS codes in combinatory channel with serious disturbance.
该算法特别适用于干扰严重的组合信道中级连r S码的译码。
In this paper, by combining the subspace method with layered space-time codes, we propose a vertical layered space-time code and accomplish the channel estimation without the training symbols.
本文将信号处理中的子空间方法同分层空时码的编码结构相结合,提出了一种垂直分层空时编码,实现了无需训练序列的信道估计。
It is a true blind detection algorithm in that it needs no knowledge of channel fading information as well as time domain and frequency domain spread spectrum codes.
该算法无需时域扩频码、频域扩频码和信道衰落信息,是一种真正意义上的盲的检测算法。
With increasing of Doppler frequency offset, status of channel doesn′t hold stabilization for long and whole correlation of false codes hasn′t satisfied require of channel estimation.
随着多普勒频偏的增大,信道状况无法长时间保持平稳,伪码的完整相关已经不能满足信道估计的要求。
The parameters include generator polynomial of component codes, interleave length and the type of interleavers, iterative decoding algorithms and iteration number, code rates and channel models et al.
这些参数主要包括分量码、交织长度和交织器类型、迭代译码算法和译码迭代次数、编码速率以及信道条件等。
The pdfs to which these codes correspond are well matched to statistics of image and video data, thus enabling an increase in robustness to channel errors with no penalty in coding efficiency.
其编码数据格式能够很好地应用于图像和视频的统计编码中,在保持编码效率的同时,很大程度地提高编码在信道传输中的纠错能力。
Firstly, the paper analyses the space-time channel model and space-time signal systematically, as space-time codes belong to the technology dealing with space and time.
首先,由于空时编码是利用时间和空间的结合,属于空时处理技术,本文对空时信道模型和空时信号处理作了系统的分析。
Based on the suitable channel model, an implementation of quasi-cyclic low density parity check codes (QC-LDPC) for acoustic communication system in shallow water is demonstrated.
讨论了准循环低密度校验码(QC - LDPC)在浅海水声信道中的实现方案。
The channel decoding performance is improved with channel encoding error-correcting by using Low Density Parity-check codes (LDPC) codes.
结合低密度奇偶校验码进行信道编码纠错,提高了信道译码性能。
The error code diffusion pattern caused by channel error code will change with the image structure, but its diffusion is less than that of the fixed prediction codes.
信道误码引起的误码图案依图象的内容而有变化,但扩散程度比固定预测要小。
The Generalized Hamming Weights (GHW) of linear codes characterize the cryptography performance of the code on the wire-tap channel of type two.
线性码的广义汉明重量谱描述了码在第二类窃密信道中传输的密码学特征。
We simulated the system in the Additive Gaussian White Noise (AGWN) channel, proved the superiority of this system, and used the convolutional codes to reduce the bit error rate further.
通过在加性高斯白噪声(AGWN)信道中的模拟仿真,其结果说明了此系统的优越性,并通过卷积编码,进一步降低了系统的误码率。
The information received by the relay node in different time is coded with a channel coding method. Then all the codes are forwarded after network coding.
该方案在中继节点处将多个时刻接收的信息分别进行信道编码,再将所有码字进行网络编码后转发。
This paper proposes a joint source-channel decoding based on the VLC and LDPC codes.
提出了一种基于VLC和LDPC的联合信源信道译码算法。
In this paper, we give the simulation results of bit error rate based on group counterchange method for BCH codes in UWB communication system in the condition of AWGN channel.
本文给出了群变换方法构成的BCH编码在超宽带通信系统中的误码率仿真结果。
On the symbol detection of layered space time codes, it is assumed that the perfect channel estimations are available at the receiver.
提出一种基于旋转不变子空间的垂直分层空时码及其直接信号检测算法。
Their performance is compared with that of binary LDPC codes with same coding rates over AWGN channel by BPSK modulation and 8psk modulation.
同时,与等价编码速率的二进制ld P C码进行了性能比较,分析了多进制ldpc码的纠错性能和译码复杂度。
Their performance is compared with that of binary LDPC codes with same coding rates over AWGN channel by BPSK modulation and 8psk modulation.
同时,与等价编码速率的二进制ld P C码进行了性能比较,分析了多进制ldpc码的纠错性能和译码复杂度。
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