一种低复杂度的卷积编码CPM的非相干序列检测算法

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.

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

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.