Spectrum sensing based on normality test

Autor: Jose Ewerton P. de Farias, Jeronimo Silva Rocha, Marcelo S. Alencar
Rok vydání: 2013
Předmět:
Zdroj: 2013 SBMO/IEEE MTT-S International Microwave & Optoelectronics Conference (IMOC).
Popis: This paper presents an analysis of spectrum sensing to determine if a signal, measured by a cognitive user in an AWGN channel, is a valid one, from the primary user, or if it is composed of noise alone. The proposed method for spectrum sensing is based on statistical tests to identify if the probability distribution of the received signal has noise characteristic, or other distribution that classifies it as a primary user. The results of Monte-Carlo simulations indicate that it is possible to identify transmission opportunities using spectrum sensing tests with low signal-to-noise ratio.
Databáze: OpenAIRE