A Method for Robust Classification of QPSK Signals

• Autorzy: Gajo Z. , Szabatin J.
• Języki publikacji: EN

Abstrakty

EN

In this paper, the problem of classification of coherent QPSK signals, transmitted over the channel with an additive white non-Gaussian noise, is considered. Contrary to conventional QPSK detectors (clasifiers), that consist of the pair of correlators, decision devices and a multiplexer, and are commonly used in the case of the additive white Gaussian noise (AWGN) transmission channel (1), classification is based on analysis of n samples of the received QPSK signal representing a dibit. The proposed classification procedure is robust in the Huber minimax sense (2) on the class of Ɛ-contaminated Gaussian noises.

Słowa kluczowe

EN

QPSK signals; signal classification; robust hypothesis testing; Pitman efficiency

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2002
• Tom: Vol. 50, Nr 3
• Strony: 213--219
• Opis fizyczny: Bibliogr. 5 poz.

Twórcy

autor

Gajo Z.

• Instituite of Electronic Systems, Warsaw University of Technology, 00-665 Warszawa, ul. Nowowiejska 15/19 (Instytut Systemów Elektronicznych Politechniki Warszawskiej)

autor

Szabatin J.

• Instituite of Electronic Systems, Warsaw University of Technology, 00-665 Warszawa, ul. Nowowiejska 15/19 (Instytut Systemów Elektronicznych Politechniki Warszawskiej)

Bibliografia

• [1] S. Haykin, Communication systems, J. Wiley, New York 1994 (3rd ed.).
• [2] P. J. Huber, Robust statistics, J. Wiley, New York 1981.
• [3] M.D. Srinath, P.K. Rajasearan, R. Viswanathan, Introduction to statistical signal processing with applications, Prentice Hall, Englewood Cliffs 1996.
• [4] O. Hossjer, M. Mettiji, Robust multiple classification of known signals – an asymptotic weak signal approach, IEEE Trans. on Information Theory, 39, 2, (March 1993) 594-608.
• [5] S.A. Kassam, V.H. Poor, Robust techniques for signal processing: a survey, Proc. IEEE, 73 (1989) 433-481.