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Paper Abstract and Keywords
Presentation 2005-03-03 10:30
A Quality Control Mechanism for Multimedia Streams based on the Multi-RTCP Scheme for QoS Reporting over Wireless IP-Based Networks
Norihiro Fukumoto, Hideaki Yamada, Hisashi Kawai (KDDI R&D Labs.)
Abstract (in Japanese) (See Japanese page) 
(in English) A variety of IP-based multimedia applications have been developed and provided due to the penetration of the infrastructure of IP communications including wireless IP network. This paper presents an evaluation of a quality control mechanism based on the Multi-RTCP Scheme over hybrid networks composed of varied networks. We examined a rate-adaptive sending method for RTP packets based on detailed application-level QoS information on the hybrid network. The QoS information which includes each portion of the hybrid network is reported by the Multi-RTCP scheme. We present advantages of the rate-adaptive sending method using the Multi-RTCP scheme through end-to-end speech quality evaluations based on a comparison with the existing transmission schemes of RTP packets in practical conditions.
Keyword (in Japanese) (See Japanese page) 
(in English) VoIP / RTP / RTCP / / / / /  
Reference Info. IEICE Tech. Rep., vol. 104, no. 691, IN2004-221, pp. 125-130, March 2005.
Paper # IN2004-221 
Date of Issue 2005-02-24 (NS, IN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee NS IN  
Conference Date 2005-03-03 - 2005-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Zanpa-misaki Royal 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Systems, Information Network, etc. 
Paper Information
Registration To IN 
Conference Code 2005-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Quality Control Mechanism for Multimedia Streams based on the Multi-RTCP Scheme for QoS Reporting over Wireless IP-Based Networks 
Sub Title (in English)  
Keyword(1) VoIP  
Keyword(2) RTP  
Keyword(3) RTCP  
1st Author's Name Norihiro Fukumoto  
1st Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs.)
2nd Author's Name Hideaki Yamada  
2nd Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs.)
3rd Author's Name Hisashi Kawai  
3rd Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs.)
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Date Time 2005-03-03 10:30:00 
Presentation Time 20 
Registration for IN 
Paper # IEICE-NS2004-221,IEICE-IN2004-221 
Volume (vol) IEICE-104 
Number (no) no.689(NS), no.691(IN) 
Page pp.125-130 
#Pages IEICE-6 
Date of Issue IEICE-NS-2005-02-24,IEICE-IN-2005-02-24 

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