Presentation	2007-05-17 An Experimental Study on Channel Quality for QoS Route Control in Cognitive Wireless Access Networks Toshiaki YAMAMOTO, Jong-Ok Kim, Akira YAMAGUCHI, Sadao OBANA,
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Abstract(in English)	Various wireless communication systems are now being developed according to various users' needs. For example, the 3^ generation mobile phone system has been explosively popularized worldwide, the coverage area of hot spot that encourages the diffusion of the mobile computing has been widely extended, and local connectivity technologies for ubiquitous networks are being realized. The authors have studied on "cognitive wireless access networks" in order to develop the networks that realize both high spectrum efficiency and high quality of service (QoS) for users. Cognitive wireless access networks can provide various communication routesd by adaptively aggregating or switching multiple wireless communication systems. In this paper, the hierarchical QoS route control scheme in cognitive wireless access networks is first explained and the definition of communication channel qualities required for the QoS route control is studied. The scheme of traffic distribution to multiple communication routes under multiple base stations is also discussed from the viewpoint of throughput maximization and the fundamental characteristics are examined from the experimental results with the cognitive wireless access network system that consists of IEEE802.16 and IEEE802.11b wireless devices.
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Keyword(in English)	Cognitive Radio / QoS / Channel Quality / Multipath Routing
Paper #	MoMuC2007-6
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Committee	MoMuC
Conference Date	2007/5/10(1days)
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Paper Information
Registration To	Mobile Multimedia Communications(MoMuC)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	An Experimental Study on Channel Quality for QoS Route Control in Cognitive Wireless Access Networks
Sub Title (in English)
Keyword(1)	Cognitive Radio
Keyword(2)	QoS
Keyword(3)	Channel Quality
Keyword(4)	Multipath Routing
1st Author's Name	Toshiaki YAMAMOTO
1st Author's Affiliation	Advanced Telecommunications Research Institute International()
2nd Author's Name	Jong-Ok Kim
2nd Author's Affiliation	Advanced Telecommunications Research Institute International
3rd Author's Name	Akira YAMAGUCHI
3rd Author's Affiliation	Advanced Telecommunications Research Institute International
4th Author's Name	Sadao OBANA
4th Author's Affiliation	Advanced Telecommunications Research Institute International
Date	2007-05-17
Paper #	MoMuC2007-6
Volume (vol)	vol.107
Number (no)	39
Page	pp.pp.-
#Pages	6
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