吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (03): 701-705.doi: 10.7964/jdxbgxb201303024

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Design of QoS architecture in IEEE802.16d

ZHAO Hong-wei, CHENG Yu, LI Zhuo, LI Yu-cui   

  1. College of Computer Science and Technology, Jilin University, Changchun, 130012, China
  • Received:2011-06-15 Online:2013-05-01 Published:2013-05-01

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Abstract: During the process of wireless video transmission based on IEEE802.16d protocol, how to improve the Quality of Service (QoS) architecture was investigated to meet the needs of real-time data transmission that overcomes the shortage of existing QoS architecture. Improvements were proposed by designing a new QoS scheduling algorithm on the basis of existing QoS architecture. According to the characteristics of four categories of service flow, which are supported by IEEE802.16d, the appropriate scheduling algorithm for each category of service flow was selected to ensure correct data transmission. Simulation results of Unsolicited Grant Service (UGS) and Real-Time Polling Service (RTPS) service flows verify the advantages of the new designed QoS architecture.

Key words: computer applications, quality of service, real-time, unsolicited grant service, real-time polling service

CLC Number: 

  • TP393
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