Rendezvous Based Adaptive Path Construction for Mobile Sink in WSNs Using Fuzzy Logic

被引:2
作者
Banimelhem, Omar [1 ]
Al-Quran, Fidaa [1 ]
机构
[1] Jordan Univ Sci & Technol, Network Engn & Secur Dept, POB 3030, Irbid 22110, Jordan
关键词
WSN; mobile sinks; rendezvous points; fuzzy inference system; IoT; network lifetime; WIRELESS SENSOR NETWORKS; SELECTION;
D O I
10.3390/computers12030066
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In this paper, an adaptive path construction approach for Mobile Sink (MS) in wireless sensor networks (WSNs) for data gathering has been proposed. The path is constructed based on selecting Rendezvous Points (RPs) in the sensing field where the MS stops in order to collect the data. Compared with the most existing RP-based schemes, which rely on fixed RPs to construct the path where these points will stay fixed during the whole network lifetime, we propose an adaptive path construction where the locations of the RPs are dynamically updated using a Fuzzy Inference System (FIS). The proposed FIS, which is named Fuzzy_RPs, has three inputs and one output. The inputs are: the remaining energy of the sensor nodes, the transmission distance between the RPs and the sensor nodes, and the number of surrounding neighbors of each node. The output of FIS is a weight value for each sensor node generated based on the previous three parameters and, thus, each RP is updated to its new location accordingly. Simulation results have shown that the proposed approach extends the network lifetime compared with another existing approach that uses fixed RPs. For example, in terms of using the first dead node as a metric for the network lifetime, when the number of deployed sensor nodes changes from 150 to 300, an improvement that ranges from 48.3% to 83.76% has been achieved compared with another related approach that uses fixed RPs.
引用
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页数:15
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