Abstract:In non-cooperative communication scenarios, coherent demodulation of Continuous Phase Modulation (CPM) signals requires precise estimation of CPM modulation parameters. A new data-aided modulation index and shaping pulse joint estimation algorithm is proposed for CPM signals. The differential phase between symbols is used to eliminate signal phase memories, and Least-Square method is used for parameters estimations. Theoretical analysis and numerical simulations show that it is unbiased. The estimating error is converged to zero at 1/N where N is the length of observation data. The algorithm is applicable to both full and partial response CPM modulations and presents good anti-noise performance.
石明军; 邓名桂; 周世东; 雷 俊; 姚 彦. 基于数据辅助的CPM信号调制参数估计[J]. 电子与信息学报, 2010, 32(5): 1146-1151 .
Shi Ming-jun; Deng Ming-gui; Zhou Shi-dong; Lei Jun; Yao Yan. On the Data-Aided Estimation of Modulation Parameters of CPM. , 2010, 32(5): 1146-1151 .