计算机科学 ›› 2018, Vol. 45 ›› Issue (6): 84-88.doi: 10.11896/j.issn.1002-137X.2018.06.014
金瑞, 刘作学
JIN Rui, LIU Zuo-xue
摘要: 通过对TDMA方式下的同步协议STS和TISS进行研究,提出一种基于时隙对准方式的TDMA自组网同步协议MFSS。该协议以工作周期为自组网节点之间同步的标准,在节点初入网时采用双向交互和时隙对准方法,消除了传输时延误差和初始时间偏差,从而实现了快速初始同步;随后通过监测过程保证了节点之间产生的时钟漂移误差可自适应控制,同时减小了重新同步带来的开销。仿真结果证明,相比于STS协议和TISS协议,MFSS协议在同步收敛速度、同步精度以及同步开销上都取得了更好的性能。
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