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Article

Wireless Networks under a Backoff Attack: A Game Theoretical Perspective

Information Processing and Telecommunications Center, Universidad Politécnica de Madrid, ETSI Telecomunicación, Av. Complutense 30, 28040 Madrid, Spain
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Sensors 2018, 18(2), 404; https://doi.org/10.3390/s18020404
Received: 30 November 2017 / Revised: 9 January 2018 / Accepted: 24 January 2018 / Published: 30 January 2018
(This article belongs to the Section Sensor Networks)
We study a wireless sensor network using CSMA/CA in the MAC layer under a backoff attack: some of the sensors of the network are malicious and deviate from the defined contention mechanism. We use Bianchi’s network model to study the impact of the malicious sensors on the total network throughput, showing that it causes the throughput to be unfairly distributed among sensors. We model this conflict using game theory tools, where each sensor is a player. We obtain analytical solutions and propose an algorithm, based on Regret Matching, to learn the equilibrium of the game with an arbitrary number of players. Our approach is validated via simulations, showing that our theoretical predictions adjust to reality. View Full-Text
Keywords: CSMA/CA; backoff attack; game theory; Nash equilibrium; correlated equilibrium; regret matching CSMA/CA; backoff attack; game theory; Nash equilibrium; correlated equilibrium; regret matching
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MDPI and ACS Style

Parras, J.; Zazo, S. Wireless Networks under a Backoff Attack: A Game Theoretical Perspective. Sensors 2018, 18, 404. https://doi.org/10.3390/s18020404

AMA Style

Parras J, Zazo S. Wireless Networks under a Backoff Attack: A Game Theoretical Perspective. Sensors. 2018; 18(2):404. https://doi.org/10.3390/s18020404

Chicago/Turabian Style

Parras, Juan, and Santiago Zazo. 2018. "Wireless Networks under a Backoff Attack: A Game Theoretical Perspective" Sensors 18, no. 2: 404. https://doi.org/10.3390/s18020404

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