| IEEE 802．16中基于信道状态的改进分组调度算法 |
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| 引用本文： | 向凯尧,李太君. IEEE 802．16中基于信道状态的改进分组调度算法[J]. 现代电子技术, 2010, 33(1): 43-45 |
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| 作者姓名： | 向凯尧 李太君 |
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| 作者单位： | 海南大学,海南,海口,570228 |
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| 摘 要： | 为适应IEEE802．16无线网路的特点，降低数据的分组超时率，提高数据的平滑性，在基于信道状态的分组调度算法（CSDPS算法）的基础上，提出了一种基于信道状态的改进分组调度算法。该算法把业务区分与信道状态结合起来，既考虑了不同业务的QoS需求，也考虑了无线网络的信道特点。在降低发送速率上，给出降低速率的具体计算公式。通过理论分析，用改进算法与原有CSDPS算法进行了对比。可以发现，改进算法在分组超时率和数据平滑性上都有较大改善。
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| 关 键 词： | IEEE 802．16协议 服务质量 调度算法 信道状态 |
Improved Scheduling Algorithm Based on Channel State in IEEE 802.16 Wireless Network |
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| XIANG Kaiyao,LI Taijun. Improved Scheduling Algorithm Based on Channel State in IEEE 802.16 Wireless Network[J]. Modern Electronic Technique, 2010, 33(1): 43-45 |
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| Authors: | XIANG Kaiyao LI Taijun |
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| Affiliation: | XIANG Kaiyao,LI Taijun(Hainan University,Haikou,570228,China) |
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| Abstract: | In order to adapt to the characteristics of IEEE 802.16 wireless network to reduce the overtime rate of packet data and improve the smoothness of data.An improved scheduling algorithm based on CSDPS is proposed.The algorithm combining the distinction of traffic and the channel state,taking into account the QoS requirements of different traffic,considering the wireless network channel characteristics.In the reduction of send rates,a specific formula to reduce the send rates is given.Through theoretical analy... |
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| Keywords: | IEEE 802.16 protocol QoS scheduling algorithm channel state |
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