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A New Traffic Model for Mobile Wireless Networks 被引量:1

A New Traffic Model for Mobile Wireless Networks
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摘要 A new traffic model for mobile wireless networks was given and analysed. In the model, it is considered of traffic characteristic for two special periods of time. A pre-emptive priority scheme combined with channel borrowing strategy according to the speciality was proposed. All the channels can be used by non-real-time services, and real-time services are given higher priority for they are allowed to pre-empt channels used by non-real-time services. Either real-time handoff requests or non-real-time handoff requests can be queued in queues when there is no channel can be used. Some channels are reserved for real-time handoff requests, which can also be used by non-real-time service when they are idle. Simulation results are also given. It is seen that our scheme performs better than other schemes when the arrival rate of real-time services is much higher than non-real-time services. A new traffic model for mobile wireless networks was given and analysed. In the model, it is considered of traffic characteristic for two special periods of time. A pre-emptive priority scheme combined with channel borrowing strategy according to the speciality was proposed. All the channels can be used by non-real-time services, and real-time services are given higher priority for they are allowed to pre-empt channels used by non-real-time services. Either real-time handoff requests or non-real-time handoff requests can be queued in queues when there is no channel can be used. Some channels are reserved for real-time handoff requests, which can also be used by non-real-time service when they are idle. Simulation results are also given. It is seen that our scheme performs better than other schemes when the arrival rate of real-time services is much higher than non-real-time services.
出处 《Journal of Shanghai Jiaotong university(Science)》 EI 2007年第4期471-476,共6页 上海交通大学学报(英文版)
基金 The National Natural Science Foundation of China (No60372076)
关键词 WIRELESS network HANDOFF channel ALLOCATION TRANSITION cell BLOCKING PROBABILITY wireless network handoff channel allocation transition cell blocking probability
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参考文献10

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同被引文献13

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