Power-Consumption Outage in Beyond Fifth Generation Mobile Communication Systems
Power-Consumption Outage in Beyond Fifth Generation Mobile Communication Systems
复制标题
超第五代移动的通信系统中的功耗中断
DOI：
10.1109/twc.2020.3029051
复制
发表时间：
2021-03
影响因子：
10.4
通讯作者：
Gharavi H
中科院分区：
文献类型：
--
作者：
Yang J;Ge X;Thompson J;Gharavi H
未来5G（B5G）之后的移动的系统面临的最大问题之一是移动的设备在高数据速率下的能量耗散。这些设备产生的热量可能会影响性能，这是一种称为功耗中断的新型中断的结果。在这篇文章中，我们提出了一个一般的定义，功耗中断，并描述了它的三个特点。基于智能手机的热传递模型，分析了功耗中断概率。具体而言，我们推导出联合中断概率的信道和功耗中断的信号噪声比（SNR），通信持续时间，和初始温度的智能手机背板。然后使用联合中断概率来获得典型智能手机的最大接收速率的上界。此外，我们还提出并分析了用电中断对容量的影响。仿真结果表明，功耗中断概率随着信噪比的增加和通信持续时间的延长而增加。智能手机的最大接收速率的上界随着通信持续时间的延长而减小。仿真结果表明，考虑联合中断概率，信道和功率消耗中断，在达到给定的容量阈值之后随着SNR的增加而减小。
One of the biggest problems facing future mobile systems beyond 5G (B5G) is the energy dissipation of mobile devices at high data rates. The heat generated by these devices can impact the performance as a result of a new type of outage called power-consumption outage. In this article, we propose a general definition of the power-consumption outage and describe its three features. Based on the heat transfer model in smartphones, the power-consumption outage probability is analyzed. Specifically, we derive the joint outage probability of channel and power-consumption outages in relation to the signal-to-noise ratio (SNR), communication duration, and initial temperature of the smartphone-back-plate. The joint outage probability is then used to obtain the upper bound of the maximum receiving rate of a typical smartphone. Furthermore, we propose and analyze the impact on the capacity of the power-consumption outage. Simulation results show that the power-consumption outage probability increases with an increase of SNR and with extension of the communication duration. The upper bound of the maximum receiving rate of a smartphone decreases with an extension of communication duration. Considering the joint outage probability, simulation results show that the outage capacities, i.e., channel and power-consumption outages, decrease with an increase of SNR after reaching a given capacity threshold.
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