Clasificación de señales MPSK aplicando procesamiento estadístico de octavo orden (Classification of MPSK Signals through Eighth-Order Statistical Signal Processing)

Jayro Lázaro Barrera Álvarez (jayro.barrera@upr.edu.cu)1, Fidel Ernesto Hernández Montero (fhernandez@tele.cujae.edu.cu)2


1University of Pinar del Rio
2Universidad of Pinar del Rio

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2017
Volume: 15,   Issue: 9 
ISSN: 1548-0992


Abstract:
In this work, a new automatic classifier of MPSK signals, such as 2PSK, 4PSK, 8PSK and 16PSK, is proposed. This work is based on the application of higher-order statistical signal processing. In order to identify which specific MPSK signal has been received, a particular set of eighth-order cumulants of the complex envelope is computed and used for determining the features that identify the specific MPSK signal to recognize. It was proved that such features were independent on the amplitude of the received signal and the constellation rotation angle. The classifier validation was performed through numerical simulation using Matlab and an environment corrupted by Gaussian noise was simulated. It was determined that a correct classification can be achieved at signal-to-noise ratios around 5 dB or higher.

Index Terms:
Automatic Modulation Classification, Higher Order Statistics, PSK Modulation   


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