Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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Reservation Conflict-Free MAC Design for Mobile Wireless USB Devices with Distributed MAC

  • Joo, Yang-Ick (Division of Electrical and Electronics Engineering, Korea Maritime Univ.) ;
  • Kwon, Moon Kyu (Department of Logistics System Engineering, Korea Maritime Univ.)
  • Received : 2012.07.05
  • Accepted : 2012.08.10
  • Published : 2012.10.31
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Abstract

In this paper, a collision-free resource reservation scheme for WUSB (Wireless Universal Serial Bus) networks with WiMedia D-MAC (Distributed Medium Access Control). Since distributed characteristic of the WiMedia D-MAC supporting DRP (Distributed Reservation Protocol) scheme may cause lots of conflicts, overall performances of the WUSB with WiMedia D-MAC can be deteriorated. In addition, when we consider multi-hop environment, "mobile" hidden node problem due to mobility of WUSB devices can be happened, and it is a critical problem to mobile WUSB devices transceiving real-time QoS (Quality of Service) traffic. To tackle the problem, we propose a new DRP reservation mechanism to prevent DRP conflicts for multi-hop mobility support in WUSB networks with WiMedia D-MAC and show its improved performance via simulation results.

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References

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