一种低复杂度的卷积编码CPM的非相干序列检测算法  

A Low-Complexity Noncoherent Sequence Detection Algorithm for CPM Combined with Convolutional Code

作　　者：童启森[1] 杜欣军[1] 

机构地区：[1]中国电子科技集团公司第五十研究所,上海200063

出　　处：《电子器件》2009年第4期784-787,共4页Chinese Journal of Electron Devices

基　　金：中国电子科技集团公司创新基金项目资助"连续相位调制方式下的编码问题的研究"(JJ0708026)

摘　　要：连续相位调制(CPM)与卷积编码相结合可以进一步提高系统的功率利用率,这使得它在无线通信领域中得到广泛应用。给出了卷积编码CPM的一种低复杂度的非相干序列检测算法,通过正交化处理有效地减少了匹配滤波器个数;在序列检测阶段通过状态融合减少维特比译码的状态数,然后结合判决反馈进行检测。Combining continuous phase modulation（CPM）with convolutional code can further improve the power efficiency of the system,so it is widely used in wireless communications.This paper proposes a low-complexity noncoherent sequence detection algorithm for CPM combined with convolutional code.The number of matched filters is remarkably reduced by orthogonalizing process;and the states of Viterbi decoding are reduced with the state combination,and then the signal is detected with decision feedback.

关 键 词：连续相位调制 卷积码 非相干序列检测 

分 类 号：TN762[电子电信—电路与系统] TN911.21