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Distributed Medium Access Control for N-Screen Multicast Services in Home Networks
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 Title & Authors
Distributed Medium Access Control for N-Screen Multicast Services in Home Networks
Hur, Kyeong;
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 Abstract
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.
 Keywords
Home Networks;Distributed MAC;N-screen;Multicast;
 Language
English
 Cited by
1.
Wireless Channel Management Scheme for ASMD Groups in Wireless N-screen Services,;

한국멀티미디어학회논문지, 2016. vol.19. 11, pp.1871-1877 crossref(new window)
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