A new hardware implementation of LDPC coding arithmetic in DVB-S2 system based on FPGA is introduced.
提出了一种基于FPGA的DVB -S2系统中ldpc编码算法的硬件实现技术。
This paper introduces a class of network coding based on LDPC code for a cooperative network and extends it to multi-hop network.
采用LDPC码的结构研究了协作分集网络中的网络编码构造,并把它拓展到多跳网络中。
Aimed at the complexity for the coding algorithm of traditional group codes, an effective coding algorithm for LDPC is realized and the coding complexity is reduced.
针对传统分组码编码算法复杂的问题,实现了对LDPC码的有效编码算法,降低了编码复杂度。
Abstract : The structured low density parity check (LDPC) codes can be described by the base-matrices and lifting factors, which have low encoding/decoding complexity and good coding performance.
摘要结构化低密度奇偶校验码可通过基矩阵和扩展因子描述,具有较低的编译码复杂度和优异的译码性能。
This paper researches distributed video coding performance based on n-nary Low Density Parity Check (LDPC) code.
对基于多进制低密度奇偶校验(LDPC)码的分布式视频编码性能进行研究。
And in the last section of chapter3, we present a "quasi-cyclic LDPC based" code division scheme, which can be possibly applied to the adaptive coding.
在第三章的最后一节,本文还提出了一种基于准循环ldpc码的,可以用于自适应编码的码分割方案。
The encoding complexity of LDPC codes length n seems indeed to be of order n2, the dissertation study the coding scheme with linear time complexity.
针对LDPC码通用编码算法的复杂度与码长的平方成正比的问题,重点研究了LDPC码的快速编码方法,总结出了使LDPC码能够达到线性编码的途径。
In Chinese national standard for Digital Terrestrial Multimedia Broadcasting (DTMB), irregular Quasi Cyclic LDPC (QC - LDPC) code is used as core part of forward error correction coding.
在中国数字电视广播地面传输标准(DTMB)中,使用了非规则准循环ld P C码(QC-LDPC)作为前向纠错编码的核心部分。
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。
Finally, a multilevel coding (MLC) scheme with ARAPA protograph LDPC codes as component codes is designed. This scheme takes both bandwidth and power efficiency into account.
最后,论文以ARAPA原模图ldpc码为分量码,结合多级编码调制(MLC)技术,设计了一种兼顾带宽和功率效率的编码调制系统。
Combining the existing theoretic and practical fruits, researchers focus on the designing of powerful LDPC codes with low coding and decoding complexity.
结合现有的理论成果和实践经验,设计性能优良且编译码复杂度低的LDPC码是近年来人们研究的热点问题。
At present, more and more communication system use LDPC code as the channel coding scheme, the architecture in this paper will give a reference to design and implementation of other LDPC decoder.
目前越来越多的通信系统采用LDPC码作为纠错码,这种硬件结构对其它系统的LDPC译码器设计及实现有一定的借鉴意义。
At present, more and more communication system use LDPC code as the channel coding scheme, the architecture in this paper will give a reference to design and implementation of other LDPC decoder.
目前越来越多的通信系统采用LDPC码作为纠错码,这种硬件结构对其它系统的LDPC译码器设计及实现有一定的借鉴意义。
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