Skip to main content
EURASIP Journal on Wireless Communications and Networking
Download PDF
  • Research Article
  • Open access
  • Published:

Service Differentiation in OFDM-Based IEEE 802.16 Networks

EURASIP Journal on Wireless Communications and Networking volume 2009, Article number: 635304 (2009) Cite this article

Abstract

IEEE 802.16 network is widely viewed as a strong candidate solution for broadband wireless access systems. Various flexible mechanisms related to QoS provisioning have been specified for uplink traffic at the medium access control (MAC) layer in the standards. Among the mechanisms, bandwidth request scheme can be used to indicate and request bandwidth demands to the base station for different services. Due to the diverse QoS requirements of the applications, service differentiation (SD) is desirable for the bandwidth request scheme. In this paper, we propose several SD approaches. The approaches are based on the contention-based bandwidth request scheme and achieved by the means of assigning different channel access parameters and/or bandwidth allocation priorities to different services. Additionally, we propose effective analytical model to study the impacts of the SD approaches, which can be used for the configuration and optimization of the SD services. It is observed from simulations that the analytical model has high accuracy. Service can be efficiently differentiated with initial backoff window in terms of throughput and channel access delay. Moreover, the service differentiation can be improved if combined with the bandwidth allocation priority approach without adverse impacts on the overall system throughput.

Publisher note

To access the full article, please see PDF.

Author information

Authors and Affiliations

  1. School of Electronic, Information and Electrical Engineering, Shanghai Jiaotong University, Shanghai, 200240, China

    Yi Zhou & Alei Liang

  2. School of Information Security and Engineering, Shanghai Jiaotong University, Shanghai, 200240, China

    Kai Chen

  3. Institute of Advanced Telecommunications, Swansea University, Swansea, SA2 8PP, UK

    Jianhua He

  4. Department of Computer Science, Shanghai Jiaotong University, Shanghai, 200240, China

    Haibin Guan

  5. Simula Research Laboratory, 1325, Lysaker, Norway

    Yan Zhang

Authors
  1. Yi Zhou
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Kai Chen
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Jianhua He
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Haibin Guan
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Yan Zhang
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Alei Liang
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Kai Chen.

Rights and permissions

Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Reprints and permissions

About this article

Cite this article

Zhou, Y., Chen, K., He, J. et al. Service Differentiation in OFDM-Based IEEE 802.16 Networks. J Wireless Com Network 2009, 635304 (2009). https://doi.org/10.1155/2009/635304

Download citation

  • Received:

  • Accepted:

  • Published:

  • DOI: https://doi.org/10.1155/2009/635304

Keywords