Data Gathering With Minimum Number of Relay Packets in Wireless Sensor Networks

被引：10

作者：

Cheng, Chien-Fu ^{[1
]}

Li, Lung-Hao ^{[1
]}

Wang, Chen-Chuan ^{[1
]}

机构：

[1] Tamkang Univ, Dept Comp Sci & Informat Engn, New Taipei 25137, Taiwan

来源：

IEEE SENSORS JOURNAL | 2017年 / 17卷 / 21期

关键词：

Data gathering; traveling path; time-sensitive data; amount of relay packets;

D O I：

10.1109/JSEN.2017.2750768

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The data gathering problem is an important issue in wireless sensor networks (WSNs). In general, mobile elements are used to collect the sensed data of sensors to reduce the problem of unbalanced energy consumption caused by multi-hop transmission. However, in time-sensitive applications of WSNs where mobile elements are used to collect time-sensitive data, we must pay particular attention to the length of the traveling path to ensure that data are still useful after delivered to the sink. In this paper, we focus on how to plan a traveling path that meets the delay requirement of time-sensitive applications for data collection and reduces the amount of relay packets in the WSNs. The proposed algorithm is called Timeliness Traveling Path Planning (TTPP) algorithm. Based on the least squares curve approach, the proposed TTPP algorithm can find the best-fitting curve for any given set of sensors by reducing the amount of relay packets in the WSNs. The effectiveness of the proposed TTPP algorithm is confirmed through extensive simulations.

引用

页码：7196 / 7208

页数：13

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