The research of PSK modulated signal using the improved IJF pulse

Authors:
Haiqiang Chen;Tuanfa Qin;Zhenrong Zhang
Affiliations:
Guangxi University, Nanning, China;Guangxi University, Nanning, China;Guangxi University, Nanning, China
Venue:
ICAIT '08 Proceedings of the 2008 International Conference on Advanced Infocomm Technology
Year:
2008

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Non data-aided estimation of the modulation index of continuous phase modulations

IEEE Transactions on Signal Processing - Part I

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Abstract

The Inter-symbol interference time Jitter Free (IJF) coding and Constant Phase Modulation (CPM) technologies are very important in nonlinear communication channels. In this paper, we have discussed the principle and the properties of the IJF baseband pulses. By using pulse-shaping and phase path-controlled technologies, a new IJF pulse is presented which has better performance. Simulation results show that when the improved IJF pulse is applied to the PSK technology, the IJF modulated signals can provide more continuous phase path and get 3 dB envelope fluctuation reduction with small additional complexity.