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Haroun Errachid Adardour
University of Tlemcen
Computer Science & IT Electrical & Electronics Engineering

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Journal : International Journal of Electrical and Computer Engineering

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Spectrum Sensing with VSS-NLMS Process in Femto/Macro-cell Environments Sidi Mohammed Hadj Irid; Mohammed Hicham Hachemi; Haroun Errachid Adardour; Mourad Hadjila
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 6: December 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (403.578 KB) | DOI: 10.11591/ijece.v8i6.pp5185-5194

Abstract

Handover is a process that allows a mobile node to change its attachment point. A mobile node connected to a network can, in order to improve the quality of service, have the need to leave it to connect to a cell either of the same network or of a new network. The present paper introduce three techniques using adaptive Variable Step-Size Least Mean Square (VSSLMS) filter combined with spectrum sensing probability method to detect the triggering of handover in heterogeneous LTE networks. These techniques are Normalized LMS (NLMS), Kwong-NLMS and Li-NLMS. The simulation environment is composed of two femtocells belonging to a macrocell. Five User Equipements (UEs) are positioned in one femtocell and are assumed closest to its circumference. Simulation results show that sensing probability with Li-NLMS algorithm has a better performance compared with classical NLMS and Kwong-NLMS.
Co-Authors Mohammed Hicham Hachemi Mourad Hadjila Sidi Mohammed Hadj Irid