电讯技术Issue(12)：1390-1394,5.DOI:10.3969/j.issn.1001-893x.2015.12.014
低复杂度的连续相位调制与LDPC联合迭代译码算法
A Low Complexity Joint Iterative Decoding Algorithm for CPM and LDPC
张凯1
作者信息
- 1. 西安烽火电子科技有限责任公司，西安710075
- 折叠
摘要
Abstract
The technology of Continuous Phase Modulation( CPM) and Low-Density Parity-Check( LDPC) codes can not only improve the spectrum efficiency,but also decrease the transmit power. However it will increase the complexity of communication system. To solve the problem,this paper proposes a reliability-based soft demodulation algorithm. The new algorithm takes the symbol/bit reliability as the information metric between inner decoder and outer decoder. Simulation results show that,the new joint iterative deco-ding algorithm performs as well as the probabilistic algorithm and has about 0 . 75 dB gain compared with decoding algorithm without iterations,with equal total local iterations.关键词
低密度奇偶校验码/连续相位调制/可靠度信息/联合迭代译码Key words
LDPC codes/continuous-phase modulation/reliability information/joint iterative decoding分类
信息技术与安全科学引用本文复制引用
张凯..低复杂度的连续相位调制与LDPC联合迭代译码算法[J].电讯技术,2015,(12):1390-1394,5.
