Through modifying the object function of the new algorithm, a proper tradeoff can be realized between LTF and ALTF for more satisfying performance parameters of LDPC codes.

• 该算法不仅可以进一步提高优化性能,还可以通过修改目标函数在下三角和准下三角之间合理均衡以便确定LDPC编码优化的最佳性能参数。