突发错误信道下wsn的IEEE 802.15.4 MAC协议性能分析

2011 11th International Symposium on Communications & Information Technologies (ISCIT) Pub Date : 2011-12-01 DOI:10.1109/ISCIT.2011.6089750

S. Wijetunge, U. Gunawardana, R. Liyanapathirana

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引用次数: 6

摘要

采用三维离散马尔可夫链模型分析了突发信道错误下IEEE 802.15.4 MAC协议的性能。考虑了不饱和流量、帧重传和确认(ACK)帧传输等现实无线传感器网络条件进行分析。系统性能评估指标包括网络总吞吐量、节点平均功耗、帧传送率和节点字节/焦耳容量。通过ns−2仿真验证了分析结果。讨论了不同信道条件和帧到达率对系统性能的影响。

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Performance analysis of IEEE 802.15.4 MAC protocol for WSNs in burst error channels

A three-dimensional discrete-time Markov Chain model is applied to analyse the performance of the IEEE 802.15.4 MAC protocol under burst channel errors. Real world wireless sensor network conditions including unsaturated traffic, frame retransmission and acknowledgement (ACK) frame transmission are considered for the analysis. The system performance is evaluated in terms of aggregate network throughput, average power consumption per node, frame delivery ratio, and bytes-per-Joule capacity per node. Analytical results are validated through ns − 2 simulations. The effects of varying channel conditions and frame arrival rate on the performance of the system are also discussed.

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2011 11th International Symposium on Communications & Information Technologies (ISCIT)

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