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Performance Optimization with Efficient Polling Mechanism in IEEE 802.16 Networks with Cross-Layer Consideration

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Abstract

IEEE 802.16 standard suite defines a reservation-based bandwidth allocation mechanism. A SS (Subscriber Station) has to be polled to request bandwidth reservation before transmits uplink data to a BS (Base Station). In this mechanism exist two main polling modes: the unicast polling mode and the contention-based polling mode. The different polling operations in MAC (Medium Access Control) result in different PHY (PHYsical layer) frame structure that deeply affect the performance. Therefore, there should be an optimal scheme to adopt these two polling modes in order to optimize the performance. Although the standard defines five service classes to adaptively use the polling modes to fit the QoS (Quality of Service) requirements of different applications, it does not specify exactly a scheme to adopt these two polling modes efficiently and fairly during the polling process. In~this paper, we investigate the polling mechanisms in IEEE 802.16 networks, and focus the attention on the performance caused by different adoption schemes. We also propose a simple but efficient polling mechanism to optimize the performance. The simulation results verify that the performance is conditioned to the fulfillment of the polling mechanisms and our proposed optimal polling scheme can allocate bandwidth more efficient and achieve better performance.

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Author notes

  1. Fei Yin

    Present address: L2TI, Institut Galilée, University Paris 13, 99 Avenue J-B Clément, 93430, Villetaneuse, France

Authors and Affiliations

  1. LIP6, University Paris 6, 104 Avenue du Président Kennedy, 75016, Paris, France

    Fei Yin & Guy Pujolle

  2. Department of Computer Science and Engineering, Kyungnam University, 449 Wolyoung-dong, Masan, Kyungnam, 631-701, Korea

    Jong Hyuk Park

  3. College of Electrical Engineering and Computer Science, National Ilan University, I-Lan, Taiwan, ROC

    Han-Chieh Chao

Authors
  1. Fei Yin
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  2. Guy Pujolle
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  3. Jong Hyuk Park
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  4. Han-Chieh Chao
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Corresponding author

Correspondence to Fei Yin.

Additional information

The research contribution of Professor Jong Hyuk PARK is supported by Kyungnam University.

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Yin, F., Pujolle, G., Park, J.H. et al. Performance Optimization with Efficient Polling Mechanism in IEEE 802.16 Networks with Cross-Layer Consideration. Wireless Pers Commun 51, 635–665 (2009). https://doi.org/10.1007/s11277-009-9747-7

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  • DOI: https://doi.org/10.1007/s11277-009-9747-7

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