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Paper Abstract and Keywords
Presentation 2011-09-08 14:55
A Study of Redundant Path Switch for Video Streaming over Wireless LAN
Masaaki Kurozumi, Tomofumi Koyama, Shuhei Oda, Katsunori Aoki (NHK)
Abstract (in Japanese) (See Japanese page) 
(in English) Progress of video coding technologies and speed up of wireless LAN are enabling short range wireless transmission from mobile camera to base station.
However, this wireless transmission was often disconnected by
deteriorating signals or blocking.
To avoid this disconnection, multiple wireless access points work with wireless LAN controller to hand over connections or mobile ad hoc network technology to make detour path are used.
Since these technologies require wireless devices to measure signal strength and to make use of them for route controller, they can't be applied to generic wireless LAN devices.
We therefore made a redundant path switcher which make use of commodity wireless devices.
It monitors path condition by periodical probing packet.
In this paper, its switching mechanism and its probing conditions for preventing transmission errors are discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless LAN / Redundant Path Switch / Probe Packet / Video Streaming / / / /  
Reference Info. ITE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2011-09-08 - 2011-09-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Pref. Univ. Kumamoto 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile/Broadcasting convergence technology, system and application, mobile contents streaming, P2P/ad-hoc networks, and their quality, General area 
Paper Information
Registration To IEICE-CQ 
Conference Code 2011-09-CQ-MoMuC-CE-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of Redundant Path Switch for Video Streaming over Wireless LAN 
Sub Title (in English)  
Keyword(1) Wireless LAN  
Keyword(2) Redundant Path Switch  
Keyword(3) Probe Packet  
Keyword(4) Video Streaming  
1st Author's Name Masaaki Kurozumi  
1st Author's Affiliation Japan Broadcasting Corporation (NHK)
2nd Author's Name Tomofumi Koyama  
2nd Author's Affiliation Japan Broadcasting Corporation (NHK)
3rd Author's Name Shuhei Oda  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
4th Author's Name Katsunori Aoki  
4th Author's Affiliation Japan Broadcasting Corporation (NHK)
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Date Time 2011-09-08 14:55:00 
Presentation Time 25 
Registration for IEICE-CQ 
Paper #  
Volume (vol) ITE-35 
Number (no)  
#Pages ITE- 
Date of Issue  

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