1. [1] J. B. Anderson, T. Aulin, and C.-E. Sundberg, Digital Phase Modulation, New York, Plenum Press, 1986.
2. [3] U. Mengali and M. Morelli, “Decomposition of M-ary CPM signals into PAM waveforms,” IEEE Trans. Inf. Theory, vol. 41, no. 9, pp. 1265-1275, Sept. 1995.
3. [7] G. Cariolaro and A. M. Cipriano, “An equivalent principle for separable CPM signals,” Proc. 15th IEEE Int. Symp. Pers., Indoor, Mobile Radio Commun., Barcelona, Spain, vol. 2, pp. 1347-1350, Sept. 2004.
4. [8] R. H.-H. Yang, M.-T. Lee, C.-K. Lee, and S. J. Chern, “A novel class of continuous-phase modulation (CPM) with separable phase property,” Proc. 2011 Int. Symp. on Intelligent Signal Processing and Commun. Systems.