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arXiv 2102.00145cs.NI
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可重构无线网络中基于行为者-评判学习的QoS-Aware路由器

Actor-Critic Learning Based QoS-Aware Scheduler for Reconfigurable Wireless Networks

Shahram Mollahasani, Melike Erol-Kantarci, Mahdi Hirab, Hoda Dehghan, Rodney Wilson

摘要:

可重新配置的无线网络提供的灵活性为各种应用提供了新的机会,例如在线AR/VR游戏,高质量视频流和自动驾驶汽车,这些应用需要高带宽,可靠和低延迟的通信。这些应用具有非常严格的服务质量(QoS)要求,并且增加了移动网络上的负担。目前,有一个巨大的频谱稀缺,由于大量的数据爆炸,这个问题可以解决的帮助下,可重构无线网络(RWN)的节点具有重新配置和感知能力。因此,观察到用于资源块分配的AI辅助算法的必要性。为了解决这一挑战,在本文中,我们提出了一个演员-评论家学习为基础的调度分配资源块在RWN。具有不同QoS级别的各种流量类型被分配给我们的代理,以提供更真实的结果。我们还在模拟中加入了移动性,以增加网络的动态性。该模型与另一个演员-评论家模型和其他传统的路由器,比例公平(PF)和信道和QoS感知(CQA)技术进行了比较。所提出的模型进行评估,考虑用户设备(UE),成功的传输和头的线延迟所经历的延迟。结果表明,该模型在不同方面明显优于其他技术。

英文摘要:

The flexibility offered by reconfigurable wireless networks, provide new opportunities for various applications such as online AR/VR gaming, high-quality video streaming and autonomous vehicles, that desire high-bandwidth, reliable and low-latency communications. These applications come with very stringent Quality of Service (QoS) requirements and increase the burden over mobile networks. Currently, there is a huge spectrum scarcity due to the massive data explosion and this problem can be solved by helps of Reconfigurable Wireless Networks (RWNs) where nodes have reconfiguration and perception capabilities. Therefore, a necessity of AI-assisted algorithms for resource block allocation is observed. To tackle this challenge, in this paper, we propose an actor-critic learning-based scheduler for allocating resource blocks in a RWN. Various traffic types with different QoS levels are assigned to our agents to provide more realistic results. We also include mobility in our simulations to increase the dynamicity of networks. The proposed model is compared with another actor-critic model and with other traditional schedulers; proportional fair (PF) and Channel and QoS Aware (CQA) techniques. The proposed models are evaluated by considering the delay experienced by user equipment (UEs), successful transmissions and head-of-the-line delays. The results show that the proposed model noticeably outperforms other techniques in different aspects.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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