Abstract
Analyzed the q uality of s ervice (Q os ) scheduling mechanism of IEEE802. 11e, discussed the simple scheduling algorithm (Simple Scheduler) and its deficiencies exist in supporting variable bit-rate service (VBR). And then proposed a improved algorithm which adapts to the real time VBR service. The algorithm can dynamically adjust the service interval and the TXOP of per flow. Finally, implement the algorithm on NS2. Compared with the HCCA, simulation results show that our mechanism
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