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논문 기본 정보

자료유형
학술저널
저자정보
Kyeong Hur (Gyeongin National University of Education)
저널정보
한국멀티미디어학회 멀티미디어학회논문지 멀티미디어학회논문지 제19권 제3호
발행연도
2016.3
수록면
567 - 572 (6page)

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초록· 키워드

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N-screen is an emerging technology to support multimedia multicasting, content sharing and content mobility. N-screen service providers should obtain the technology that provides the highest quality content seamlessly. Distributed nature of WiMedia distributed-MAC protocol can provide full mobility support, and achieves seamless medium access method in contrast to IEEE 802.15.3. So, in this paper, WiMedia distributed-MAC protocol is adopted and an asynchronous multicast transmission (AMT) technology is proposed to enhance performance of seamless N-screen wireless service based on distributed-MAC. The ACK frame transmissions are not required for multicast transmissions. By using this property in AMT, if a device is a multicast receiver, its reserved time slots can be reserved by the other devices with 1-hop distance. Furthermore, each N-screen device broadcasts and shares the information including an order in asynchronous traffic reservations to reduce conflicts in determining the transmission order of asynchronous N-screen packets. Therefore, AMT scheme expands the number of time slots available and throughputs for multicast and asynchronous traffic reservations when comparing with the distributed-MAC standard system. N-screen communications based on distributed-MAC with the proposed AMT shows a new framework for realizing N-screen wireless service with the full content mobility.

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ABSTRACT
1. INTRODUCTION
2. ASYNCHRONOUS MULTICAST TRANSMISSION (AMT) TECHNOLOGY
3. PERFORMANCE EVALUATION
4. CONCLUSIONS
REFERENCE

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UCI(KEPA) : I410-ECN-0101-2016-004-002762479