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Energy-Efficient Region Shift Scheme to Support Mobile Sink Group in Wireless Sensor Networks

机译:在无线传感器网络中支持移动接收器组的节能区域转移方案

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摘要

Mobile sink groups play crucial roles to perform their own missions in many wireless sensor network (WSN) applications. In order to support mobility of such sink groups, it is important to design a mechanism for effective discovery of the group in motion. However, earlier studies obtain group region information by periodic query. For that reason, the mechanism leads to significant signaling overhead due to frequent flooding for the query regardless of the group movement. Furthermore, the mechanism worsens the problem by the flooding in the whole expected area. To deal with this problem, we propose a novel mobile sink group support scheme with low communication cost, called Region-Shift-based Mobile Geocasting Protocol (RSMGP). In this study, we utilize the group mobility feature for which members of a group have joint motion patterns. Thus, we could trace group movement by shifting the region as much as partial members move out of the previous region. Furthermore, the region acquisition is only performed at the moment by just deviated members without collaboration of all members. Experimental results validate the improved signaling overhead of our study compared to the previous studies.
机译:移动接收器组在许多无线传感器网络(WSN)应用程序中扮演重要角色,以执行自己的任务。为了支持此类接收器组的移动性,设计有效发现运动中的组的机制很重要。但是,早期的研究是通过定期查询来获取组区域信息的。因此,由于频繁的查询泛洪,无论组移动如何,该机制都会导致大量信令开销。此外,该机制由于整个预期区域中的洪水而使问题恶化。为了解决这个问题,我们提出了一种通信成本低的新型移动宿组支持方案,称为基于区域移位的移动地理广播协议(RSMGP)。在这项研究中,我们利用组成员具有联合运动模式的组流动性特征。因此,我们可以通过移动区域的次数来跟踪组移动,就像部分成员移出先前区域一样。此外,区域获取仅在此刻仅由偏离的成员执行,而没有所有成员的协作。实验结果证实了与以前的研究相比,我们研究的信号开销得到了改善。

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