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Paper Abstract and Keywords
Presentation 2006-03-02 11:00
Adaptive Real-Time Change Detection based on Monitoring Datas -- Application to Proactive VoIP Quality Monitoring --
Satoshi Imai, Akiko Okamura, Hitoshi Ueno, Akira Chugo (FUJITSU Lab.)
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, quality management of IP network becomes an important
issue according to the development of real-time applications, such as IP-phone, TV-meeting and Video-stream.
In today's network quality management, it's a general method to detect the change of communication quality using preset threshold for monitoring data.
However, it's not easy to set a proper threshold for each monitoring data, because the types and characteristics of monitoring data will become more diverse as the management objects become large scale and complex.
We propose the real-time change detection method that enables to
recognize the change in the state of managed object immediately, without
preset threshold. The essencial idea of our method is applying a
statistical method to sequential monitoring data. We also apply our
proposed method to VoIP quality management.
Keyword (in Japanese) (See Japanese page) 
(in English) Network Quality Management / Change Detection / VoIP / Statistical Method / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 627, NS2005-165, pp. 29-32, March 2006.
Paper # NS2005-165 
Date of Issue 2006-02-23 (NS) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee IN NS  
Conference Date 2006-03-02 - 2006-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Rizzan Sea-Park Hotel Tancha-Bay (Okinawa) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NS 
Conference Code 2006-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive Real-Time Change Detection based on Monitoring Datas 
Sub Title (in English) Application to Proactive VoIP Quality Monitoring 
Keyword(1) Network Quality Management  
Keyword(2) Change Detection  
Keyword(3) VoIP  
Keyword(4) Statistical Method  
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1st Author's Name Satoshi Imai  
1st Author's Affiliation FUJITSU LABORATRIES LTD (FUJITSU Lab.)
2nd Author's Name Akiko Okamura  
2nd Author's Affiliation FUJITSU LABORATRIES LTD (FUJITSU Lab.)
3rd Author's Name Hitoshi Ueno  
3rd Author's Affiliation FUJITSU LABORATRIES LTD (FUJITSU Lab.)
4th Author's Name Akira Chugo  
4th Author's Affiliation FUJITSU LABORATRIES LTD (FUJITSU Lab.)
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Speaker Author-1 
Date Time 2006-03-02 11:00:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2005-165 
Volume (vol) vol.105 
Number (no) no.627 
Page pp.29-32 
#Pages
Date of Issue 2006-02-23 (NS) 


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