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首页> 外文期刊>IEEE Transactions on Communications >Call admission control strategy for system throughput maximization considering both call- and packet-level QoSs
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Call admission control strategy for system throughput maximization considering both call- and packet-level QoSs

机译:同时考虑了呼叫级和分组级QoS的系统吞吐量最大化的呼叫接纳控制策略

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摘要

This letter presents a call admission control (CAC) strategy for system throughput maximization in wireless uplink systems. This strategy considers not only the call-level quality of service (QoS) (i.e., blocking probability) but also the packet-level QoS (i.e., outage probability). Using the statistical co-channel interference (CCI) model and state diagram, the outage probability and the blocking probability are investigated as a function of the relative traffic load. We formulate the CAC strategy problem based on relative traffic load, and suggest a solution. The numerical results show that maximum system throughput can be achieved by controlling the relative traffic load. In addition, we illustrate the region where system throughput is constrained by call- and packet-level QoSs. This examination shows that the calland packet-level QoSs must be considered together to achieve maximum system throughput.
机译:这封信提出了用于无线上行链路系统中系统吞吐量最大化的呼叫准入控制(CAC)策略。该策略不仅考虑呼叫级服务质量(QoS)(即阻塞概率),而且考虑分组级QoS(即中断概率)。使用统计同信道干扰(CCI)模型和状态图,根据相对业务负载来研究中断概率和阻塞概率。我们根据相对的流量负载制定了CAC策略问题,并提出了解决方案。数值结果表明,通过控制相对流量负载可以实现最大的系统吞吐量。另外,我们说明了系统吞吐量受呼叫和数据包级QoS限制的区域。此检查表明,必须将呼叫和数据包级QoS一起考虑,以实现最大的系统吞吐量。

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