Enabling cooperative ad hoc networks under noise

被引：0

作者：

Wang D. ^{[1
]}

Yu X. ^{[1
]}

Zhi H. ^{[2
]}

Hu M. ^{[1
]}

机构：

[1] Research Center of Computer Network and Information Security Technology, Harbin Institute of Technology, Harbin

[2] TravelSky Technology Limited, Beijing

来源：

Information Technology Journal | 2010年 / 9卷 / 01期

关键词：

Ad hoc networks; Cooperation; Packet dropping detection; Packet forwarding; Selfish nodes;

D O I：

10.3923/itj.2010.124.131

中图分类号：

学科分类号：

摘要：

In ad hoc networks, each node depends on other nodes for routing and forwarding packets. However, the selfish nodes will not forward packets for others to save resources which can significantly damage the network performance. Many solutions have been proposed to give nodes incentive to cooperate among selfish nodes. However, one major drawback of the existing strategy on cooperation in ad hoc networks lies in that perfect observation have been assumed and the effect of noise in real environment has not been considered. The sporadic transmission errors caused by noise are considered as the dropping selfish behavior which decreases the packet delivery ratio and utility. Monitor, detection, path management and response schemes are proposed for the cooperation among selfish nodes in real in ad hoc networks. The packet dropping selfish behavior will be effectively monitored and can be distinguished with the sporadic transmission errors caused by noise. The selfish node will be detected and isolated from the transmission path gradually. The simulation results demonstrate that the proposed schemes can effectively increase the packet delivery ratio and utility under noise. The cooperative ad hoc network under noise is enabled. © 2010 Asian Network for Scientific Information.

引用

页码：124 / 131

页数：7

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