On the other hand, a low complexity LDPC decoder was given.The proposed decoder not only has low computing complexity but also converges very fast (about 5 iterations is sufficient).

• 另一方面，给出了一种高效率的LDPC码解码算法，该解码算法不但计算复杂度低，而且能以很少的迭代次数(大约5次)达到收敛。