Device-Aware Visual Quality Adaptation for Wireless N-Screen Multicast Systems
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概要
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We seek a resource allocation algorithm through carrier allocation and modulation mode selection for improving the quality of service (QoS) that can adapt to various screen sizes and dynamic channel variations. In terms of visual quality, the expected visual entropy (EVE) is defined to quantify the visual information of being contained in each layer of the scalable video coding (SVC). Fairness optimization is conducted to maximize the EVE using an objective function for given constraints of radio resources. To conduct the fairness optimization, we propose a novel approximation algorithm for resource allocation for the maximal EVE. Simulations confirm that the QoS in terms of the EVE or peak signal to noise ratio (PSNR) is significantly improved by using the novel algorithm.
著者
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Lee Sanghoon
Department Of Biomedical Engineering College Of Medicine Dankook University
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Kim Seonghyun
Department of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 500-712, Republic of Korea
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OH Taegeun
Department of Electrical and Electronic Engineering, Yonsei University
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LEE Inwoong
Department of Electrical and Electronic Engineering, Yonsei University
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PARK Jincheol
Department of Electrical and Electronic Engineering, Yonsei University
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LEE Sanghoon
Department of Electrical and Electronic Engineering, Yonsei University
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