利用隐藏尾时间改进智能手机IEEE 802.11 PSM

2013 Fourth International Conference on the Network of the Future (NoF) Pub Date : 2013-10-01 DOI:10.1109/NOF.2013.6724528

Young Deok Park, Kyoung-Hak Jung, Young-Joo Suh

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引用次数: 0

摘要

WiFi接口是WiFi智能手机等移动设备耗电的重要因素。由于在MAC层无法区分无用报文和活动报文，因此电源管理机制同样受到无用报文(目的端口不可达的报文)的影响。本文提出了一种探测丢弃方案。它迫使不需要的数据包通过“隐藏尾巴时间”传递，这是智能手机从清醒状态切换到睡眠状态之前的额外清醒时间。因此，不需要的数据包永远不会影响PSM机制。我们提出的方案在无用数据包和活动数据包混合设置的情况下，可节省高达67%的电力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Improving IEEE 802.11 PSM for smartphones by exploiting Hidden Tail-time

WiFi interface is a significant contributor to battery draining on mobile device such as WiFi smartphone. Since distinguishing between unwanted packet and active packet is not feasible at MAC layer, the power management mechanism is equally affected by unwanted packets (packets with unreachable destination port). In this paper, we propose a probing and discarding scheme. It forces unwanted packet to be delivered through the “Hidden Tail-time” that is an additional awake time immediately before smartphone switches from awake-state to sleep-state. Thus, unwanted packets never affect the PSM mechanism. Our proposed scheme improves power saving by up to 67% under mixed setting of unwanted packet and active packet.

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2013 Fourth International Conference on the Network of the Future (NoF)

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