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Dynamic Multi-frame Transmission Technology Using the WiMedia MAC for Multi-hop N-screen Services
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 Title & Authors
Dynamic Multi-frame Transmission Technology Using the WiMedia MAC for Multi-hop N-screen Services
Hur, Kyeong;
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 Abstract
N-screen is a promising technology to improve support for multimedia multicasting, content sharing, content mobility, media scalability, and seamless mobility. In this paper, the WiMedia distributed-MAC (D-MAC) protocol is adopted for development of a seamless N-screen wireless service. Furthermore, to provide a multi-hop, one source multi-use N-screen service through point to point streaming in a seamless D-MAC protocol, a dynamic multi-frame transmission technology is proposed. In this technology, a dynamic time slot allocation scheme and a multi-hop resource reservation scheme are combined. In the proposed dynamic time slot allocation scheme, two thresholds, a hard threshold and a soft threshold, are included to satisfy the power consumption and delay requirements. A multi-frame DRP reservation scheme is proposed to minimize end-to-end delay during the multi-hop transmissions between N-screen devices. The proposed dynamic multi-frame transmission scheme enhances N-screen performance in terms of the multi-hop link establishment success rate and link establishment time compared to the conventional WiMedia D-MAC system.
 Keywords
Distributed MAC;Multi-hop networks;N-screen;WiMedia;
 Language
Korean
 Cited by
 References
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