摘要
基于4G和WiMAX在技术发展方向上的融合,对IEEE 802.16e标准推荐的由单位置换矩阵I构造的不规则QC-LDPC码,构造循环移位置换矩阵Q取代I矩阵填充奇偶校验矩阵H,仿真实验表明由Q矩阵取代I矩阵,能在一定程度上改善不规则QC-LDPC码的性能。
This paper designs a kind of circulant-shift permutation matrix called Q matrix,replacing identity matrix I as partitioned matrix,which fills in parity-check matrix H to form irregular QC-LDPC codes,based on the integration of 4G and WiMAX in technology.Computer simulating tests show that Q matrix can improve performance of irregular QC-LDPC codes which introduced in IEEE 802.16e standard draft to some extent.
出处
《电视技术》
北大核心
2009年第S2期184-185,191,共3页
Video Engineering
