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A Stackelberg game for street-centric QoS-OLSR protocol in urban Vehicular Ad Hoc Networks - 2018

Research Area:  Vehicular Ad Hoc Networks


In this paper, we address the problem of routing in urban Vehicular Ad Hoc Networks (VANETs) using proactive Optimized Link State Routing (OLSR) protocol in the presence of passive malicious nodes. OLSR protocol routes through MultiPoint Relays (MPRs) that are selected according to neighbors reachability and uniqueness. However, in urban VANETs, other parameters such as nodes mobility and street topology are also of significance. These parameters can also be taken into consideration to improve the quality of selected MPRs. However, an MPR can adopt a passive malicious behavior by not cooperating with other nodes unless rewarded. As a solution, we propose a multi-leader multi-follower Stackelberg game model that motivates nodes to act cooperatively, being MPRs, by increasing their reputation. Collected reputation increments are used to determine the set of nodes (followers) that an MPR (leader) will route for based on nodes reputation. Simulations conducted using NS3 demonstrate that the proposed Stackelberg game model improves the network performance in terms of stability of MPRs, throughput, and average hop count compared to OLSR and the street-centric QoS-OLSR protocol in urban VANET. Additionally, the proposed protocol presents a similar percentage of selected MPRs and end-to-end delay compared to the benchmarks.

Author(s) Name:  Maha Kadadha,Hadi Otrok,Hassan Barada,Mahmoud Al-Qutayri and Yousof Al-Hammadi

Journal name:  Vehicular Communications

Conferrence name:  

Publisher name:  ELSEVIER

DOI:  10.1016/j.vehcom.2018.05.003

Volume Information:  Volume 13, July 2018, Pages 64-77