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Cumulative-TIM Method for the Sleep Mode in IEEE 802.16e Wireless MAN

  • Byungjoo Lee
  • Hyukjoon Lee
  • Seung Hyong Rhee
  • Jae Kyun Kwon
  • Jae Young Ahn
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3961)

Abstract

The IEEE 802.16e WMAN (Wireless Metropolitan Area Networks), which has been designed for fixed or mobile broadband wireless access, is getting into the spotlight as the base technology for the mobile Internet. As most mobile stations are battery-powered in wireless environment, energy efficient protocols are essential for their practical use. Although many systems, including the IEEE 802.16e, adopt the sleep mode, little attention has been paid to the traffic characteristics or status of the mobile station. In this paper, we propose a new scheme called Cumulative-TIM, in which BS(base station) does not wake up a mobile station until a sufficient amount of data for the station is stored, thus guaranteeing mobile stations sleep enough amount of time. In this way, mobile stations can use their energy more efficiently than the standard sleep mode: Our simulation result shows that proposed scheme has a better performance compare with the current standard of the WMAN.

Keywords

Mobile Station Sleep Mode Broadband Wireless Access Message Sequence Chart Sleep Interval 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Byungjoo Lee
    • 1
  • Hyukjoon Lee
    • 1
  • Seung Hyong Rhee
    • 1
  • Jae Kyun Kwon
    • 2
  • Jae Young Ahn
    • 2
  1. 1.Kwangwoon UniversitySeoulKorea
  2. 2.Electronics and Telecommunications Research InstituteDaejeonKorea

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