| Summary: | 碩士 === 國立臺灣科技大學 === 電子工程系 === 97 === In 802.16 system，traffic have two type，one is real time traffic another is non-real time traffic。In most existing packet schedulers giver higher priority to the real time traffic over non-real time traffic unconditionally。If we send real time traffic for long time, and it will caused non-real time traffic serious delay . In order to solve the traffic delay and we proposed a new solved method.
In this paper, the SS reports the length of queue in its buffer. The 802.16BS will estimate its length in the period of next frame. If it is almost full, its assigned bandwidth is decreased and the excess bandwidth will be assigned to non-real time traffic. If it is almost empty, more bandwidth will be assigned. This will be completed by assign more or less high priority packets to the real time traffic.
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