DBAM: Novel User Based Bandwidth Allocation Mechanism in WiMAX

  • Niharika Kumar
  • K. N. Balasubramanya Murthy
  • Amitkeerti M. Lagare
Part of the Communications in Computer and Information Science book series (CCIS, volume 142)


IEEE 802.16e classifies packets into 5 different service classes, namely, UGS, rtPS, ertPS, nrtPS and BE. Bandwidth is allocated to SS based on the need of the service class. In this paper we propose a user based bandwidth allocation mechanism called Differentiated Bandwidth Allocation Mechanism (DBAM). WiMAX users shall be divided into 3 different priority levels as high-priority users, regular users and low-priority users. Bandwidth shall be allocated to the service flows of these service class based on the priority of the users. This method of bandwidth allocation provides a differentiated QoS to users for the same service class. Simulation results revel that when the number of Subscriber Stations (SS) is 10, high-priority and Regular users are able to transmit 25% more ertPS data compared to low-priority users and when the number of SS is 14, high-priority user transmits 30% more data compared to regular user.


QoS WiMAX Bandwidth Allocaiton MAC DBAM 


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  1. 1.
    IEEE std 802.16-2004, Air Interface for Fixed Broadband Wireless Access SystemsGoogle Scholar
  2. 2.
    IEEE std 802.16e-2005, Air Interface for Fixed and Mobile Broadband Wireless Access SystemsGoogle Scholar
  3. 3.
    Vaughan-Nichols, S.J.: Achieving Wireless Broadband with WiMAX. IEEE Comp. 37(6), 10–13 (2004)CrossRefGoogle Scholar
  4. 4.
    Tao, S.Z., Gani, A.: Intelligent Uplink Bandwidth Allocation Based on PMP Mode for WiMAX. In: Proceedings of the 2009 International Conference on Computer Technology and Development, Malaysia, pp. 86–90 (2009)Google Scholar
  5. 5.
    Wee, K.K., Lee, S.W.: Priority based bandwidth allocation scheme for WIMAX systems. In: Proceedings of 2nd IEEE International Conference on Broadband Network & Multimedia Technology, pp. 15–18 (2009)Google Scholar
  6. 6.
    Liu, C.Y., Chen, Y.C.: An Adaptive Bandwidth Request Scheme for QoS Support in WiMAX Polling Services. In: Proceedings of The 28th International Conference on Distributed Computing Systems Workshops, pp. 60–65 (2008)Google Scholar
  7. 7.
    Peng, Z., Guangxi, Z., Haibin, S., Hongzhi, L.: A Novel Bandwidth Scheduling Strategy for IEEE 802.16 Broadband Wireless Networks. In: Proceedings of International Conference on Wireless Communications, Networking and Mobile Computing, pp. 2000–2003 (2007)Google Scholar
  8. 8.
    Lin, Y.N., Wu, C.W., Lin, Y.D., Lai, Y.C.: A Latency and Modulation Aware Bandwidth Allocation Algorithm for WiMAX Base Stations. In: Wireless Communications and Networking Conference, pp. 1408–1413 (2008)Google Scholar
  9. 9.
    Light WiMAX Module,
  10. 10.

Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Niharika Kumar
    • 1
  • K. N. Balasubramanya Murthy
    • 1
  • Amitkeerti M. Lagare
    • 2
  1. 1.PESITBangaloreIndia
  2. 2.IIIT-BangaloreIndia

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