QoS Control and Link-Level Performance Analysis for Mobile IP of Wireless Communication Networks

이동인터넷을 위한 QoS 제어 및 링크레벨 성능분석

  • 조정호 (광주대학교 컴퓨터전자통신공학부) ;
  • 김광현 (광주대학교 컴퓨터전자통신공학부) ;
  • 이형옥 (한국전산원 국가망기획부)
  • Published : 2001.09.01

Abstract

In this paper, we present the integrated network architecture for supporting mobile IP in third generation mobile communication networks, and propose the end-to-end QoS control mechanisms of DiffServ and QoS control functions of each network element in the proposed network. First, the QoS supporting schemes of IMT-2000 are described. Second, the necessities of integrating the networks are discussed and the integrated architecture are proposed. Third, the mapping between wireless channels and DiffServ classes are presented. Finally, the end-to-end QoS control mechanisms are proposed. We also analyze the link level protocols with QoS provisioning for mobile multimedia assuming that the system support voice and data traffic simultaneously. In case of data traffic, the delay and throughput of SREJ ARQ and Type-1 Hybrid ARQ scheme are compared, and In case of voice traffic, the packet loss rate of BCH coding is analyzed according to the varying data traffic loads. The results indicate that the adaptive link level protocols are efficient to meet the QoS requirements while the complexities are increased.

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