The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Cross-layer based Transmission Scheme for Multimedia Service over Mobile Ad Hoc Network

이동 애드 혹 네트워크상에서 멀티미디어 서비스를 위한 크로스레이어 기반의 전송 기법

  • 안기진 (SK 텔레시스) ;
  • 주현철 (포항공과대학교 컴퓨터공학과 멀티미디어 통신/네트워킹 연구실) ;
  • 송황준 (포항공과대학교 컴퓨터공학과 멀티미디어 통신/네트워킹 연구실)
  • Published : 2009.11.30
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Abstract

This paper presents cross-layer based packet scheduling and routing algorithm to effectively transmit delay-sensitive multimedia data over mobile ad hoc network. At first, packet urgency, node urgency, and route urgency are defined based on the end-to-end delay requirement of each packet and the number of hops over a route. Based on the urgency metric, the proposed transmission scheme is that packet scheduling algorithm at the MAC layer and routing algorithm at the network layer are tightly-coupled to improve the transmission performance for delay-sensitive multimedia. Finally, simulation results are provided to show the performance of proposed transmission scheme.

본 논문에서는 이동 애드 혹 네트워크상에서 지연에 민감한 멀티미디어 데이터를 효과적으로 전송하기 위한 크로스레이어 기반 패킷 스케줄링 및 라우팅 기법을 제안한다. 우선 패킷 긴급도, 노드 긴급도, 경로 긴급도를 각 패킷의 종단 간 지연 요구사항과 경로 상의 전체 홉 수를 고려하여 정의한다. 제안하는 기법은 긴급도 척도를 기반으로 MAC 계층에서의 패킷 스케줄링 기법과 네트워크 계층에서의 라우팅 기법이 긴밀하게 결합되어 이동 애드 혹 네트워크상에서 지연에 민감한 멀티미디어의 전송 성능을 향상시킨다. 마지막으로, 실험 결과를 통해 제안 하는 전송 기법의 성능을 검증한다.

Keywords

References

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