Even-numbered errors can elude the parity check on links with high error rates.
偶数的错误，可以躲避的高错误率的链路上的奇偶校验。
This paper constructs irregular LDPC codes of unequal error protection with a parity check matrix in a lower triangular.
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。
Due to the particular relation of generator matrix and parity check matrix, it can achieve unequal error protection performance with the modified decoding algorithm.
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。
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