基于IEEE 802.15.4的QoS支持无线传感器网络的开槽CSMA/CA MAC

2007 International Conference on Sensor Technologies and Applications (SENSORCOMM 2007) Pub Date : 2007-10-14 DOI:10.1109/SENSORCOMM.2007.58

Myungjune Youn, Y. Oh, Jaiyong Lee, Yeonsoo Kim

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引用次数: 38

摘要

在无线传感器网络中，IEEE 802.15.4应工作在使能信标模式，以便安排周期性的睡眠和唤醒，以尽量减少能耗。在信标启用模式下，通过使用保证时隙(GTS)来支持QoS。但是，GTS节点的最大数目不能超过7个，对于节点密度高的无线传感器网络来说，这个数目是不够的。本文提出了基于CSMA/CA回退时间的信标启用模式下的QoS支持机制。我们的算法兼容IEEE 802.15.4标准，这意味着在现有网络上不需要改变硬件来支持QoS。我们将分析算法的性能来设计QoS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。

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IEEE 802.15.4 Based QoS Support Slotted CSMA/CA MAC for Wireless Sensor Networks

In wireless sensor network, IEEE 802.15.4 should operate in beacon-enabled mode in order to schedule periodic sleep and wake up to minimize energy consumption. In beacon enabled mode QoS is supported by using guaranteed time slots(GTS). However maximum number of GTS node cannot exceed seven, and the number is not sufficient for wireless sensor network which have high node density. In this paper, we present QoS support mechanism in beacon enabled mode using CSMA/CA back-off time. Our algorithm have compatibility with IEEE 802.15.4 Standard, which means that there is no need to change hardware to support QoS on existing network. We will analysis the performance of our algorithm to design QoS parameters.

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2007 International Conference on Sensor Technologies and Applications (SENSORCOMM 2007)

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