Delay constrained uplink scheduling policy for rtPS/ertPS service in IEEE 802.16e BWA systems

Der Jiunn Deng, Li Wei Chang, Chih Heng Ke, Yueh Min Huang, J. Morris Chang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

WiMAX is a promising broadband wireless networking technology and is expected to take the place of broadband access solutions such as DSL and cable. Owing to its superior support in mobility, it is expected to provide integrated voice and data service to realize broadband mobile computing. In order to reach better quality-of-service (QoS) requirements for real-time applications, the IEEE 802.16e standard defines five different services among traffic categories with different multimedia requirements. However, the problem of choosing the right set of medium access control parameters and packet scheduling policy to provide strict QoS guaranteed in IEEE 802.16e Broadband Wireless Access (BWA) systems remains unsolved and left as an open issue. In this paper, we propose a novel polling-based uplink packet scheduling policy for real-time Polling Service and extended real-time Polling Service (rtPS/ertPS) traffic to support real-time applications, with strict delay requirements, such as variable bit rate (VBR) traffic in IEEE 802.16e BWA systems. The proposed transmit-permission policy can derive sufficient conditions such that all the rtPS/ertPS sources satisfy their time constraints to provide deterministic QoS guarantees. In addition to theoretical analysis, simulations are conducted to evaluate the performance of the proposed scheme. As it turns out, our design provides a good quality performance in the IEEE 802. 16e BWA systems.

Original languageEnglish
Pages (from-to)119-133
Number of pages15
JournalInternational Journal of Communication Systems
Volume22
Issue number2
DOIs
Publication statusPublished - 2009 Feb 1

Fingerprint

Scheduling
Quality of service
DSL
Mobile computing
Medium access control
Telecommunication traffic
Cables

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Deng, Der Jiunn ; Chang, Li Wei ; Ke, Chih Heng ; Huang, Yueh Min ; Chang, J. Morris. / Delay constrained uplink scheduling policy for rtPS/ertPS service in IEEE 802.16e BWA systems. In: International Journal of Communication Systems. 2009 ; Vol. 22, No. 2. pp. 119-133.
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Delay constrained uplink scheduling policy for rtPS/ertPS service in IEEE 802.16e BWA systems. / Deng, Der Jiunn; Chang, Li Wei; Ke, Chih Heng; Huang, Yueh Min; Chang, J. Morris.

In: International Journal of Communication Systems, Vol. 22, No. 2, 01.02.2009, p. 119-133.

Research output: Contribution to journalArticle

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