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An Energy Saving Scheme with Error Recovery for Multi-Polling in Wireless LANs

机译：具有错误恢复的无线LAN中的多轮询的节能方案

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Various multi-polling schemes have recently been proposed to reduce the overhead resides in legacy IEEE 802.11 WLAN protocols. In particular, the Two-Step Multi-Polling (TSMP) scheme utilizes the acquired buffer status and channel condition to derive exact required time of each wireless station. Consequently, it seems to be easy to incorporate an energy saving schedule to prolong the operating time of the portable devices. However, even though it adopted the concept of rate adaptation, the TSMP scheme did not take into account frame retransmissions caused by transmission errors due to, say, fading of the wireless channel. The uncertain time spent on retransmission of former stations in the schedule may introduce energy-consuming overhearing for later ones. In this paper, we propose wake-up time schedules and an adaptive updating algorithm to save more energy for the later stations under the error-prone wireless environment. The proposed scheme is simple and thus quite feasible. Besides, from extensive simulation results, we found that the proposed solution is effective.
机译：最近提出了各种多轮询方案以减少开销驻留在遗留IEEE 802.11 WLAN协议中的开销。特别地，两步多轮询（TSMP）方案利用所获取的缓冲器状态和信道条件来导出每个无线站的精确所需的时间。因此，似乎容易结合节能时间表以延长便携式设备的操作时间。然而，即使它采用了速率适应的概念，TSMP方案也没有考虑因传输误差而导致的帧重传，例如，由于无线信道衰落。在时间表中对前站回收的不确定时间可以引入后来的耗材耗材。在本文中，我们提出了唤醒时间表和自适应更新算法，以节省更易于无线无线环境下的更高站的能量。所提出的方案简单，因此是非常可行的。此外，来自广泛的仿真结果，我们发现所提出的解决方案是有效的。

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