대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)

대한전자공학회 (The Institute of Electronics and Information Engineers)
권호 표지

무선 MAN에서 요청 수명의 조절 방식

A Scheme for Controlling Request's Lifetime in Wireless MAN

  • 박진경 (단국대학교 전자컴퓨터공학부) ;
  • 신우철 (단국대학교 전자컴퓨터공학부) ;
  • 하준 (단국대학교 전자컴퓨터공학부) ;
  • 최천원 (단국대학교 전자컴퓨터공학부)
  • Park, Jin-Kyung (School of Electronics and Computer Engineering Dankook University) ;
  • Shin, Woo-Cheol (School of Electronics and Computer Engineering Dankook University) ;
  • Ha, Jun (School of Electronics and Computer Engineering Dankook University) ;
  • Choi, Cheon-Won (School of Electronics and Computer Engineering Dankook University)
  • 발행 : 2007.07.11
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초록

For provisioning the best effort service, the IEEE 802.16 Wireless MAN standard employs a MAC scheme based on reservation ALOHA. In the MAC scheme, a subscriber station, after attempting a resource request, waits for a resource grant during a prescribed period rather than an explicit acknowledgement. In this paper, we propose a MAC scheme for improving delay performance, where we control the lifetime of a request to prevent excessive grants and distribute residual resource according to a round robin. Simulation results show that the proposed scheme significantly improves the mean delay performance.

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