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Volume 29 Issue 3
Jan.  2011
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Wang Xing-jian, Hu Ai-qun, Huang Yu-hua. Utility-Ratio Based Adaptive Admission Control Algorithm with Probability in IEEE 802.16 Network[J]. Journal of Electronics & Information Technology, 2007, 29(3): 711-715. doi: 10.3724/SP.J.1146.2005.00849
Citation: Wang Xing-jian, Hu Ai-qun, Huang Yu-hua. Utility-Ratio Based Adaptive Admission Control Algorithm with Probability in IEEE 802.16 Network[J]. Journal of Electronics & Information Technology, 2007, 29(3): 711-715. doi: 10.3724/SP.J.1146.2005.00849

Utility-Ratio Based Adaptive Admission Control Algorithm with Probability in IEEE 802.16 Network

doi: 10.3724/SP.J.1146.2005.00849
  • Received Date: 2005-07-15
  • Rev Recd Date: 2006-03-14
  • Publish Date: 2007-03-19
  • Admission Control (AC) plays a significant role in providing the desired Quality of Service (QoS) in Broadband Wireless Access (BWA). In this paper, a unitive Utility-ratio based adaptive Admission Control algorithm (UAC) with probability and the Enhanced algorithm EUAC which simplify the computation complexity are presented for miscellaneous QoS definition in IEEE802.16 network, followed by their performance analysis. The simulation results demonstrate the adaptive algorithms can adaptively shift admission strategy base on current resources and system load, obviously and reasonably classify service flows by their utility-ratio. The simulation also illustrate adaptive algorithms have notable advantages in both throughput and utility. Furthermore, the algorithms rationally restrict the flows with lower utility-ratio to avoid degrading admitted flows with higher utility-ratio while holding high resource utilization.
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