Data transmission reliability assurance scheme based on hop-by-hop adaptive FEC for wireless sensor networks

被引：0
|
作者：
Xia M. [1 ]
Dong Y.-B. [1 ]
Lu D.-M. [1 ]
机构：
[1] College of Computer Science and Technology, Zhejiang University
来源：
Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science) | 2011年 / 45卷 / 02期
关键词：
Data transmission reliability assurance; End-to-end reliable data transmission; Hop-by-hop adaptive FEC; Wireless sensor network;
D O I：
10.3785/j.issn.1008-973X.2011.02.013
中图分类号：
学科分类号：
摘要：
Existing adaptive forward error correction (FEC) schemes can not guarantee end-to-end data transmission reliability in multihop wireless sensor networks. To address this problem, firstly, a FEC rate adjustment mechanism based on two-level proportional-integral-derivative (PID) control (RA-TP) was designed to realize automatic FEC rate optimization according to the data transmission reliability requirement and current communication quality. Then, a data transmission reliability assurance scheme based on hop-by-hop adaptive FEC (RAH) was proposed. In this scheme, end-to-end data transmission reliability requirement is equally distributed to each hop on data delivery path, and each node will respectively ensure the data transmission reliability the next-hop node by using RA-TP. Evaluation results show that, comparing to existing schemes, the proposed scheme can ensure the end-to-end data transmission reliability with a much lower redundant data transmission overhead, thus greatly improves the effective data transmission rate.
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页码：273 / 279
页数：6
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