期刊
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
卷 58, 期 7, 页码 3753-3764出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TVT.2009.2014634
关键词
Admission control; channel occupancy; emergency traffic; expiration; gross service time; handoff; preemption; priority queue; scheduling; success probability
资金
- United States National Science Foundation [ANI-0133605]
In this paper, we introduce a threshold-based preemption strategy for supporting emergency traffic in cellular networks. Compared with current commercially used policies, our scheme can not only guarantee a certain amount of resources to public customers but can also provide immediate access for emergency users and flexibility for providers to adapt to different requirements and operating scenarios. In addition, under the combined preemption and queuing framework, interesting analytical relationships among channel occupancy, gross service time, and success probability for public traffic are revealed. Based on this, guidelines to further improve the satisfaction of public customers can be provided.
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