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Paper Abstract and Keywords
Presentation 2012-07-20 10:30
OFDMA Resource Allocation for Multicasting Video to Users with Heterogeneous Equipments
Daeyeon Kim, Takeo Fujii (UEC), Kyesan Lee (KHU)
Abstract (in Japanese) (See Japanese page) 
(in English) For applications such as digital TV or video conference, this paper considers real time video multicast for users with diverse screen sizes. By transmitting a video over a wireless channel accessed by the multiple users, the video can be transmitted to the all users. However, in order to gain from multicasting, quality of the channel has to be sufficiently high for the all users, and probability that such channel happens become lower as the number of the users grows. In this paper, orthogonal frequency division multiple access (OFDMA) scheme is considered to solve the problem by individually allocating power and subset of the users to each OFDMA component carrier (CC). By considering the resource allocation, multicast gain and frequency diversity gain can be jointly obtained. For the video streams, we consider scalable video coding (SVC) which provides adaptabilities in terms of channel environment and screen size. In this paper, minimum bit rate is considered for each user in order to guarantee minimum video quality at least. Furthermore, we consider maximum bit rate according to the screen size of each user in order to utilize the given bandwidth and power resources more efficiently.
Keyword (in Japanese) (See Japanese page) 
(in English) Resource Allocation / OFDMA / Scalable Video Coding / / / / /  
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 2012-07-19 - 2012-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Tsukuba Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) IPTV, Video coding, Streaming Technology, Multimedia home networking, Wearable computing, Contents network, Mobile multicast, etc 
Paper Information
Registration To IEICE-MoNA 
Conference Code 2012-07-MoMuC-IE-CE-ME-AVM 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) OFDMA Resource Allocation for Multicasting Video to Users with Heterogeneous Equipments 
Sub Title (in English)  
Keyword(1) Resource Allocation  
Keyword(2) OFDMA  
Keyword(3) Scalable Video Coding  
1st Author's Name Daeyeon Kim  
1st Author's Affiliation The University of Electro-communications (UEC)
2nd Author's Name Takeo Fujii  
2nd Author's Affiliation The University of Electro-communications (UEC)
3rd Author's Name Kyesan Lee  
3rd Author's Affiliation Kyunghee University (KHU)
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Date Time 2012-07-20 10:30:00 
Presentation Time 30 
Registration for IEICE-MoNA 
Paper #  
Volume (vol) 36 
Number (no)  
Date of Issue  

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