Performance evaluation of an improved APIT localization algorithm for underwater acoustic sensor networks

被引：0
|
作者：
Chen K. [1 ,2 ]
Xu J. [1 ,2 ]
Fu Y. [1 ,2 ]
Cheng E. [1 ,2 ]
Huang L. [1 ,2 ]
机构：
[1] Key Laboratory of Underwater Acoustic Communication and Marine Information Technology, Xiamen University, Xiamen
[2] College of Information Science and Technology, Xiamen University, Xiamen
来源：
Chen, Keyu (chenkeyu@xmu.edu.cn) | 2018年 / Computer Society of the Republic of China卷 / 29期
关键词：
APIT localization algorithm; TDMA protocol; Underwater acoustic sensor network;
D O I：
10.3966/199115992018012901011
中图分类号：
学科分类号：
摘要：
APIT is an approximate point-in triangulation method. The traditional APIT localization algorithm determines where the node is an interior point firstly, and then the Grid- SCAN algorithm is adopted to estimate the coordinates of the unknown node. However, there are large misjudgment probability and severe redundancy error in this method. In this paper, an improved APIT localization algorithm is proposed, which not only limits the selection range of neighbor nodes but also adopts Point-SCAN algorithm to estimation the position. We add TDMA protocol and study the performance of the algorithm by changing the node density and communication range. Simulation results show that our algorithm has better location performance than the traditional APIT algorithm and Centroid algorithm. In addition, it shows that collision has an impact on the location accuracy of the localization algorithm. © 2018 Computer Society of the Republic of China. All rights reserved.
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页码：132 / 142
页数：10
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