A CONTEXT-AWARE FUZZY-BASED HANDOVER SYSTEM FOR WIRELESS CELLULAR NETWORKS AND ITS PERFORMANCE EVALUATION

Authors

  • LEONARD BAROLLI Department of Communication and Information Engineering, Fukuoka Institute of Technology 3-30-1 Wajiro-Higashi, Higashi-Ku, Fukuoka 811-0295, Japan
  • JUNPEI ANNO Graduate School of Engineering, Fukuoka Institute of Technology 3-30-1 Wajiro-Higashi, Higashi-Ku, Fukuoka 811-0295, Japan
  • FATOS XHAFA Department of Languages and Informatics Systems, Polytechnic University of Catalonia Jordi Girona 1-3, 08034 Barcelona, Spain
  • ARJAN DURRESI Department of Computer and Information Science Indiana University Purdue University Indianapolis 723 W. Michigan Street SL 280, Indianapolis, IN 46202, USA
  • AKIO KOYAMA Department of Informatics, Yamagata University 4-3-16 Jonan, Yonezawa 992-8510, Yamagata, Japan

Keywords:

Wireless networks, cellular networks, fuzzy theory, handover

Abstract

Presently, the wireless mobile networks and devices are becoming increasingly popular to provide users the access anytime and anywhere. The mobile systems are based on cellular approach and the area is covered by cells that overlap each other. In mobile cellular systems the handover is a very important process to maintain the desired Quality of Service (QoS). Many handover algorithms are proposed in the literature. However, to make a better handover and keep the QoS in wireless networks is very difficult. During handover decision in cellular networks, there is a risk of making incorrect decision based on incomplete or outdated information. For this reason, we use Fuzzy Logic (FL) which can operate with imprecision data. The context-triggered actions are carried out based on simple IF-THEN rules. In different from other works, we use Random Walk (RW) model and FL to design a new handover system, which is able to avoid ping-pong effect and has a good handover decision. The performance evaluation via simulations shows that proposed system can avoid ping-pong effect and has a good handover decision.

 

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Published

2008-08-19

How to Cite

BAROLLI, L. ., ANNO, J. ., XHAFA, F., DURRESI, A. ., & KOYAMA, A. . (2008). A CONTEXT-AWARE FUZZY-BASED HANDOVER SYSTEM FOR WIRELESS CELLULAR NETWORKS AND ITS PERFORMANCE EVALUATION. Journal of Mobile Multimedia, 4(3-4), 241–258. Retrieved from https://journals.riverpublishers.com/index.php/JMM/article/view/4841

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