IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
A Dynamic Spectrum Assignment Method for Call Blocking Probability Reduction in WiFi/WiMAX Integrated Networks
Kazuhiko KINOSHITAYuichi KANAMORIKeita KAWANOKoso MURAKAMI
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2011 Volume E94.B Issue 12 Pages 3498-3504

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Abstract

With advances in communication technologies, network services provided via the Internet have become widely diversified, and people can use these services not only via wired networks but also via wireless networks. There are several wireless systems in practical use such as cellular, WiMAX and WiFi. Although these wireless network systems have developed independently of each other, they should be integrated for seamless access by users. However, each system uses an individual spectrum prescribed by law to avoid radio interference. To overcome such a situation, dynamic spectrum access technology is receiving much attention. We propose a dynamic spectrum assignment method in which a WiFi system temporarily uses a spectrum band of the WiMAX system in WiFi/WiMAX integrated networks to reduce call blocking probability of multimedia communication services. We confirm the effectiveness of the proposed method by simulation experiments.

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© 2011 The Institute of Electronics, Information and Communication Engineers
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