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A Novel IEEE 802.15.4e DSME MAC for Wireless Sensor Networks

机译:用于无线传感器网络的新型IEEE 802.15.4e DSME MAC

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摘要

IEEE 802.15.4e standard proposes Deterministic and Synchronous Multichannel Extension (DSME) mode for wireless sensor networks (WSNs) to support industrial, commercial and health care applications. In this paper, a new channel access scheme and beacon scheduling schemes are designed for the IEEE 802.15.4e enabled WSNs in star topology to reduce the network discovery time and energy consumption. In addition, a new dynamic guaranteed retransmission slot allocation scheme is designed for devices with the failure Guaranteed Time Slot (GTS) transmission to reduce the retransmission delay. To evaluate our schemes, analytical models are designed to analyze the performance of WSNs in terms of reliability, delay, throughput and energy consumption. Our schemes are validated with simulation and analytical results and are observed that simulation results well match with the analytical one. The evaluated results of our designed schemes can improve the reliability, throughput, delay, and energy consumptions significantly.
机译:IEEE 802.15.4e标准为无线传感器网络(WSN)提出了确定性和同步多通道扩展(DSME)模式,以支持工业,商业和医疗保健应用。本文针对星形拓扑中支持IEEE 802.15.4e的WSN设计了一种新的信道访问方案和信标调度方案,以减少网络发现时间和能耗。此外,针对具有故障保证时隙(GTS)传输的设备,设计了一种新的动态保证重传时隙分配方案,以减少重传延迟。为了评估我们的方案,设计了分析模型来分析WSN的可靠性,延迟,吞吐量和能耗。我们的方案通过仿真和分析结果进行了验证,并观察到仿真结果与分析结果非常匹配。我们设计的方案的评估结果可以显着提高可靠性,吞吐量,延迟和能耗。

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