为了寻求更可靠的信息传输，人们提出了一些不等错误保护(uep)编码方案。
To seek more reliable information transmission, some UEP coding schemes have been devised.
采用了近似下三角校验阵的形式，构造了一类具有不等错误保护的非规则ldpc码。
This paper constructs irregular LDPC codes of unequal error protection with a parity check matrix in a lower triangular.
由于校验阵和生成阵满足一定的关系，因此可以采用修正的译码算法来实现对码字的不等错误保护。
Due to the particular relation of generator matrix and parity check matrix, it can achieve unequal error protection performance with the modified decoding algorithm.
在详细分析了多级编码调制的不等错误保护原理的基础上，设计了一种针对8ask调制的非均匀信号星座。
After the unequal error protection of multilevel coded modulation is discussed in detail, a non-uniform signal constellation applied to 8ask modulation is designed.
首先回顾了LDPC码的有效编码，然后在此基础上提出了一种应用于不等错误保护的线性复杂度编码方法。
This paper firstly overviews the efficient encoding of LDPC codes, based on which we proposes a linear encoding for UEP.
实验结果表明，在各种不同信道状况下，与均等错误保护和固定的不等错误保护方法相比，该方法均可获得更好的性能。
Experimental results show that, under various network conditions, compared with equal error protection and fixed unequal protection methods, the proposed scheme can always achieve better performance.
实验结果表明，在各种不同信道状况下，与均等错误保护和固定的不等错误保护方法相比，该方法均可获得更好的性能。
Experimental results show that, under various network conditions, compared with equal error protection and fixed unequal protection methods, the proposed scheme can always achieve better performance.
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