For the importance of the relationship between information and parity, the generator matrix and the parity-check matrix of every code have been discussed.
由于信息码元与校验码元之间关系的重要性,对每一种码的生成矩阵和校验矩阵均进行了讨论。
The method used a parity-check matrix of a short LDPC code as its mother matrix upon which a long code was constructed with circulant permutation matrices.
该方法利用一个短的LDPC码的校验矩阵作为其母矩阵,在此基础上采用循环置换矩阵构造一个长的LDPC码。
If using odd parity, then when the receiver receives this set of code, check the "1" if the number is odd, to determine the transmission code is correct.
若用奇校验,则当接收端收到这组代码时,校验“1”的个数是否为奇数,从而确定传输代码的正确性。
An encoder architecture of low density parity check (LDPC) code defined in DVB-S2 standard is proposed.
针对DVB - S2标准中的低密度奇偶校验(LDPC)码,提出了一种LDPC编码器设计结构。
To improve the decoding performance of Low Density Parity Check (LDPC) code, an efficient decoding algorithm based on min-sum algorithm is proposed.
针对低密度奇偶校验(LDPC)译码算法性能低的问题,提出一种基于最小和的高效译码算法。
A variable step uniform quantization(VSUQ) sum-product algorithm(SPA) was developed to reduce the hardware complexity of low-density parity-check(LDPC) code decoding.
为降低低密度奇偶检验码译码的硬件实现复杂度,提出了一种可变步长均匀量化“和积”译码算法。
Low density parity check (LDPC) code, which is a special case of error correction code with sparse parity-check matrix, has the performance very close to the Shannon Limit.
LDPC码是一种特殊的具有稀疏校验矩阵的纠错编码,其性能逼近香农限。
To combine multilevel code (MLC) with differential space-time modulation (DSTM), a new scheme based on an multilevel low-density parity-check (LDPC) code with iterative decoding is proposed.
提出一种新的结合多级编码和差分空时调制的联合编码调制方案。
It is proved that the parity check matrix for BCH code is a representation form in the eigenvector basis. Thus the study on cyclic codes may be brought into the framework of linear system theory.
证明了BCH码的校验矩阵是用循环变换的特征向量作基底时的一种表示形式,从而把循环码的研究纳入到线性系统理论研究的框架之中。
However, the performance of LDPC code depends on the girth of its bipartite graph, that is it depends on its sparse parity-check matrices H, especially the complexity of encoding with H.
而LDPC码性能的优劣,与其二分图中是否存在短长度的圈有关,也即与其奇偶校验矩阵的构造有关。
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。
The Multiple Concatenated Parity Check-Code studied in this paper is this type of code, which has strong error-correcting ability.
本文所研究的多重级联奇偶校验码就是这种类型的具有很强纠错能力的差错控制编码。
These sub-codes can be the same or not, Hamming code, extended Hamming code, BCH code, single parity check code , and so on.
子码码型可以相同也可以不同,可以使用汉明码、扩展汉明码、BCH码、单奇偶校验码。
These sub-codes can be the same or not, Hamming code, extended Hamming code, BCH code, single parity check code , and so on.
子码码型可以相同也可以不同,可以使用汉明码、扩展汉明码、BCH码、单奇偶校验码。
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