Handover Decision Method Based on Wavelet for Cognitive Network

doi:10.13190/jbupt.201006.98.wangjy

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2010, Vol. 33 ›› Issue (6): 98-102.doi: 10.13190/jbupt.201006.98.wangjy

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Handover Decision Method Based on Wavelet for Cognitive Network

Received:2009-10-22 Revised:2010-06-17 Online:2010-12-28 Published:2011-01-07

Abstract

Abstract:

A handover decision method for cognitive networks is investigated in the context of wavelet and pattern recognition. It follows two steps: firstly, making multiresolution analysis to the signal received in base station to get the basic signal and the noise signal. Secondly, making the pattern recognition and handover decision by artificial neural fuzzy inference system. Simulation shows that it greatly improve the system’s performance when the channel is in low signaltonoise ratio. Besides, it makes the system cognitive and adaptive to the changes of the environment.

Key words: cognitive network, wavelet analysis, pattern recognition

CLC Number:

TN929.25

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Handover Decision Method Based on Wavelet for Cognitive Network

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