一种LTE-Advanced网络模糊自适应DRX节能机制

Gwo-Jong Yu
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引用次数: 2

摘要

由于移动设备的能量有限,高效节能的通信协议非常重要。在3GPP LTE-Advanced网络中,可以通过不连续接收(DRX)机制来降低能耗。然而,在DRX期间,不合适的DRX参数可能会显著增加来自Internet的UE数据包的数据包延迟。为了解决能量消耗和数据包延迟之间的平衡问题,提出了一种模糊逻辑控制器(FLC)来自适应调整DRX周期。该机制包括流量估计和模糊逻辑控制器。基于flc的DRX机制可以根据预测的流量自动调整DRX参数,从而更好地平衡能耗和报文延迟。数值结果表明,所提出的自适应模糊自适应DRX机制优于固定DRX参数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A fuzzy adaptive DRX power saving mechanism for LTE-Advanced networks
Due to the energy of mobile device is limited, an energy efficient communication protocol is important. In 3GPP LTE-Advanced network, energy consumption can be reduced through discontinuous reception (DRX) mechanism. However, unsuitable DRX parameters may significantly increase packet delay when packets for UE arrive from Internet during DRX period. To deal with the tradeoff between energy consumption and packet delay, a fuzzy logic controller (FLC) is proposed to adaptively adjust DRX cycle. The proposed mechanism includes traffic estimation and fuzzy logic controller. With the predicated traffic amount, FLC-based DRX mechanism can automatically adjust DRX parameters to achieve better tradeoff between energy consumption and packet delay. Numerical results reveal that the proposed adaptive fuzzy adaptive DRX mechanism outperforms fixed DRX parameters.
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