Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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A Time Slot Allocation Method of UWB Distributed MAC Protocol for Fair QoS Provisionings to High Speed Multimedia Services in Wireless Home Networks

무선 홈 네트워크에서 고속 멀티미디어 서비스의 Fair QoS 제공을 위한 UWB Distributed MAC 프로토콜의 타임 슬롯 할당 방안

  • 허경 (경인교육대학교 컴퓨터교육과) ;
  • 손원성 (경인교육대학교 컴퓨터교육과)
  • Published : 2009.03.30
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Abstract

The WiMedia Alliance has specified a Distributed Medium Access Control (D-MAC) protocol based on UWB for high speed wireless home networks and WPANs. The WiMedia D-MAC fundamentally removes the problems of the centralized MAC revealed at IEEE 802.15.3 MAC, by adopting a distributed architecture. However, there is no completely distributed method for allocating fair data rates to all traffic streams by considering each stream's QoS parameter. In this paper, a novel fair distributed QoS admission control method is proposed. The proposed method is a fair, adaptive QoS provisioning method, by allocating time slots to devices according to the current traffic load condition, through executing only a proposed single satisfaction of QoS (SoQ) algorithm at each device.

본 논문에서는 고속 무선 홈 네트워크를 위한 UWB 기술 기반 WiMedia Distributed Medium Access Control (D-MAC) 프로토콜에서 실시간 트래픽을 위한 공평한 QoS 제공 방법에 초점을 맞추어 현재 D-MAC 프로토콜의 문제점을 제시하고, 공평하고 분산적인 타임슬롯 자원 할당 방법을 제안하며, 그 성능을 분석한다. 본 논문에서 제안하는 타임슬롯 자원 할당 방법은 Satisfaction of QoS (SoQ) 알고리즘을 각 단말 디바이스에서 분산적으로 실행함으로써, 현재 트래픽 부하 상태에 대한 최적의 타임 슬롯들을 디바이스들에게 할당하여 공평하고 적응적인 QoS 제공을 가능하게 한다.

Keywords

References

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