IEEE 802.15.4网络的优化孤儿算法

A. García-Sánchez, F. García-Sánchez, J. García-Haro
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引用次数: 2

摘要

IEEE 802.15.4标准提供了一种低成本、低功耗和短距离的无线通信,即缩写为LR-WPAN(低速率无线个人区域网络)。设备失去信号覆盖需要一个漫长的过程,因为它必须重新加入无线网络,这与高延迟和能源浪费有关。这些缺点意味着该孤儿设备长时间无法进行网络操作,同时消耗功率。本文提出并设计了一种新的优化孤儿算法(OOA),该算法大大降低了孤儿过程中的延迟和能耗。利用ns-2仿真环境对OOA算法进行了性能评估。最后,以实际实现为例进行了评估。该实例验证了仿真结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimized Orphan Algorithm for IEEE 802.15.4 networks
The IEEE 802.15.4 standard offers a low-cost, low-power and short-range wireless communications, which are known by the acronym LR-WPAN (Low Rate Wireless Personal Area Network). The loss of coverage of a device involves a long process when it has to join again the wireless network, having associated a high delay and energy waste. These drawbacks imply this Orphan device stays a long time unable to perform its network operation but simultaneously consuming power. In this paper we propose and design a new algorithm, called Optimized Orphan Algorithm (OOA), which provides a considerable reduction on the delay and energy consumption during the orphan process. Performance evaluation of the OOA algorithm is conducted by using a ns-2 simulation environment. Finally, a real-implementation is assessed as case of study. This real-case validates the simulation results.
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