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Security Games for Vehicular Networks Tansu Alpcan, Member, IEEE, and Sonja Buchegger, Member, IEEE

Summary: Security Games for Vehicular Networks
Tansu Alpcan, Member, IEEE, and Sonja Buchegger, Member, IEEE
Abstract--Vehicular networks (VANETs) can be used to improve transportation security, reliability, and management. This paper
investigates security aspects of VANETs within a game-theoretic framework where defensive measures are optimized with respect to
threats posed by malicious attackers. The formulations are chosen to be abstract on purpose in order to maximize applicability of the
models and solutions to future systems. The security games proposed for vehicular networks take as an input centrality measures
computed by mapping the centrality values of the car networks to the underlying road topology. The resulting strategies help locating
most valuable or vulnerable points (e.g., against jamming) in vehicular networks. Thus, optimal deployment of traffic control and
security infrastructure is investigated both in the static (e.g., fixed roadside units) and dynamic cases (e.g., mobile law enforcement
units). Multiple types of security games are studied under varying information availability assumptions for the players, leading to fuzzy
game and fictitious play formulations in addition to classical zero-sum games. The effectiveness of the security game solutions is
evaluated numerically using realistic simulation data obtained from traffic engineering systems.
Index Terms--Vehicular networks, security, game theory, optimization.
VEHICULAR networks (VANETs) enable cars to commu-
nicate with each other and/or with a special infra-
structure on the road. Communications can be purely ad
hoc between cars or facilitated by making use of an
infrastructure. The infrastructure typically consists of a set


Source: Alpcan, Tansu - Deutsche Telekom Laboratories & Technische Universitšt Berlin


Collections: Engineering