Title :
A joint blind carrier frequency and phase offset detector and modulation order identifier for MPSK signals
Author :
Çelebi, Hasan Basri ; Arslan, Hüseyin
Author_Institution :
Dept. of Electr. Eng., Univ. of South Florida, Tampa, FL, USA
Abstract :
In this paper, a new blind carrier frequency and phase offset detector, and modulation order identifier are presented for phase shift keying (PSK) signals. These operations are intermediate steps between signal detection and demodulation, and play a key role in various military and non- military applications. As compared with previous related approaches, the proposed algorithm provides a fully blind phase-frequency offset detector structure without having the knowledge of modulation order. After correcting the frequency offset, the modulation order is detected by investigating the probability density function (PDF) of the phase distribution.
Keywords :
blind source separation; maximum likelihood estimation; phase shift keying; MPSK signals; joint blind carrier frequency; maximum likelihood estimation; modulation order identifier; phase distribution; phase offset detector; phase shift keying; probability density function; Demodulation; Frequency modulation; Frequency shift keying; Phase detection; Phase frequency detector; Phase modulation; Phase shift keying; Probability density function; Signal detection; Signal processing; Maximum likelihood estimation; Phase estimation; Phase shift keying; Phase synchronization;
Conference_Titel :
Radio and Wireless Symposium (RWS), 2010 IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
978-1-4244-4725-1
Electronic_ISBN :
978-1-4244-4726-8
DOI :
10.1109/RWS.2010.5434238
