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无线传感器SMAC协议的自适应占空比调整机制研究 被引量：3

SMAC Protocol for Wireless Sensor Adjustment Mechanism of the Adaptive Duty Cycle
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摘要 针对无线传感器SMAC协议无法适应网络负载的动态变化而导致网络丢包和时延抖动的情况,设计了D-SMAC协议。该协议依据数据包在发送队列中等待时间的平均值来预测当前网络的负载情况,并动态地调整节点的占空比,从而在实现能量有效利用的同时保证数据的及时可靠传输。仿真实验表明,改进后的协议能有效地利用了节点能量,同时增加了网络吞吐量,降低了数据端到端的时延。 SMAC protocol for wireless sensor network can not adapt to dynamic changes in load, leading to network packet loss and delay jitter, so D-SMAC protocol was designed to solve these problems. Based on packets in the queue waiting time on average the protocol predicts the current network load conditions and dynamically adjusts the duty cycle of nodes, thus achieving efficient use of energy, while ensuring timely and reliable data transmission. The simulation results show that the improved protocol can effectively use the energy of nodes, ensure the network throughput, lower latency in end-to-end transmission.
作者 李跃 蒋文贤
机构地区 华侨大学计算机科学与技术学院
出处 《计算机科学》 CSCD 北大核心 2012年第10期86-89,107,共5页 Computer Science
基金 国家自然科学青年基金项目(10901062) 侨办科研基金项目(10QZR05)资助
关键词 无线传感器网络 SMAC 流量自适应 NS2 Wireless sensor networks, SMAC, Traffic-adaptive, NS2
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献18

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二级参考文献72

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计算机科学
2012年 第10期

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