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中文摘要：
为了有效描述启用休眠模式的IEEE 802.15.4 MAC协议,提出一种考虑休眠模式的IEEE 802.15.4时隙CSMA/CA算法Markov分析模型.分析了协议参数对吞吐量和功率消耗的影响,其中特别考虑了占空比和非饱和负载的影响.并且讨论了模型参数数值结果.结果表明,分析模型给出的理论分析结果与仿真结果较吻合,且该模型可用于描述休眠模式对IEEE 802.15.4协议性能所产生的影响.
英文摘要：
To describe the IEEE 802. 15. 4 MAC with sleep mode effectively, a Markov-based analytical model for IEEE 802.15.4 slotted CSMA/CA algorithm considering sleep mode was proposed. The impacts of protocol parameters, especially the duty cycle and unsaturated traffic, on throughput and power consumption were analyzed. Moreover, some discussion based on the numerical results of the model was carried out. It is showed that the results given by the analytical model have an accurate match with the simulations, and the impact of the sleep mode on the performance of IEEE 802.15.4 can be studied by the model well.
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