<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Ad-hoc networks are a set of mobile nodes that are connected via a wireless channel. Some of the nodes in this network behave selfishly and do not send data to other nodes so that in order to increase network performance these nodes must be identified. A credit-based algorithm is proposed to detect the selfish nodes. Three watchdog nodes are selected to monitor suspicious nodes in each cluster. The cluster head nodes detect the existence of selfish nodes by controlling general features of network, such as delay, the total number of sent packets, the total number of received packets, throughput, and network traffic. The watchdog nodes send their comment on selfishness or cooperation of the node to the cluster head. Cluster head makes decisions with a majority vote on a suspicious node. The simulation results show that the rate of detection accuracy and the life time of network are considerably high and the false alarm rate and energy consumption are low comparing to that of similar methods.</p></abstract>

Ad-hoc networks are a set of mobile nodes that are connected via a wireless channel. Some of the nodes in this network behave selfishly and do not send data to other nodes so that in order to increase network performance these nodes must be identified. A credit-based algorithm is proposed to detect the selfish nodes. Three watchdog nodes are selected to monitor suspicious nodes in each cluster. The cluster head nodes detect the existence of selfish nodes by controlling general features of network, such as delay, the total number of sent packets, the total number of received packets, throughput, and network traffic. The watchdog nodes send their comment on selfishness or cooperation of the node to the cluster head. Cluster head makes decisions with a majority vote on a suspicious node. The simulation results show that the rate of detection accuracy and the life time of network are considerably high and the false alarm rate and energy consumption are low comparing to that of similar methods.

A Credit-based Method to Selfish Node Detection in Mobile Ad-hoc Network

Department of Computer Engineering, Tabriz Branch

Applied Computer Systems

This work is licensed under the Creative Commons Attribution 4.0 Public License.

{"article-title":"A Credit-based Method to Selfish Node Detection in Mobile Ad-hoc Network"}

Ad-hoc networks are a set of mobile nodes that are connected via a wireless channel. Some of the nodes in this network behave selfishly and do not send data to...

A Credit-based Method to Selfish Node Detection in Mobile Ad-hoc Network

Published Online: Dec 31, 2018

Page range: 118 - 127

DOI: https://doi.org/10.2478/acss-2018-0015

Keywords
Credit, detection accuracy (DA), false alarm rate (FAR), selfish nodes, watchdog nodes

© 2018 Sanaz Nobahary et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 Public License.

A Credit-based Method to Selfish Node Detection in Mobile Ad-hoc Network

Published Online: Dec 31, 2018

Page range: 118 - 127

DOI: https://doi.org/10.2478/acss-2018-0015

KeywordsCredit, detection accuracy (DA), false alarm rate (FAR), selfish nodes, watchdog nodes

© 2018 Sanaz Nobahary et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 Public License.

Keywords
Credit, detection accuracy (DA), false alarm rate (FAR), selfish nodes, watchdog nodes