Spectrum Sensing Framework based on Blind Source Separation for Cognitive Radio Environments

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Lina María Sepúlveda Cano
Jhon Jair Quiza Montealegre
Camilo Gil Taborda
Jorge Andrés Gómez García

Abstract

The efficient use of spectrum has become an active research area, due to its scarcity and underutilization. In a spectrum sharing scenario as Cognitive Radio (CR), the vacancy of licensed frequency bands could be detected by a secondary user through spectrum sensing techniques. Usually, this sensing approaches are performed with a priori knowledge of the channel features. In the present work, a blind spectrum sensing approach based on Independent Component Analysis and Singular Spectrum Analysis is proposed. The approach is tested and compared with other outcomes. Results show that the proposed scheme is capable of detect most of the sources with low time consumption, which is a remarkable aspect for online applications with demanding time issues.


How to Cite
Sepúlveda Cano, L. M., Quiza Montealegre, J. J., Gil Taborda, C., & Gómez García, J. A. (2015). Spectrum Sensing Framework based on Blind Source Separation for Cognitive Radio Environments. Revista Ingenierías Universidad De Medellín, 15(29), 129–140. https://doi.org/10.22395/rium.v15n29a8

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Author Biographies

Lina María Sepúlveda Cano, Universidad de Medellín

Electronic Engineer. MSc. In Telecommunications Engineering, PhD in Engineering - Automatic. Researcher of the Arkadius Group , University of Medellín. Carrera 87 # 30-65, Medellín, Colombia. E-mail: lmsepulveda@udem.edu.co

Jhon Jair Quiza Montealegre, Universidad de Medellín

Electronic Engineer. Specialist in Teleinformatics. MSc. In Telecommunications Engineering. Researcher of the Arkadius Group, University of Medellín . Carrera 87 # 30-65, Medellín, Colombia. E-mail: jhquiza@udem.edu.co

Camilo Gil Taborda, Universidad de Medellín

Electronic Engineer . MSc. en Multimedia and Communications, UC3M. PhD en Multimedia and Communications, UC3M., Medellín, Colombia. E-mail: cgil@udem.edu.co

Jorge Andrés Gómez García, Universidad Politécnica de Madrid

Electronic Engineer. MSc. In Engineering - Automation. Researcher of the group Bioengineering and Optoelectronics (ByO). Polytechnic University of Madrid . Madrid, España. E-mail: jorge.gomez.garcia@upm.es

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