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1 Journal of Telecommunications and Information Technology

1 2018

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Interference Aware Routing Game for Cognitive Radio Ad-hoc Networks

Amiri-Doomari S., Mirjalily G., Abouei J.

Journal of Telecommunications and Information Technology

2018

nr 3

55--63

Cognitive radio is a new communication paradigm that is able to solve the problem of spectrum scarcity in wireless networks. In this paper, interference aware routing game, (IRG), is proposed that connects the ﬂow initiators to the destinations. A network formation game among secondary users (SUs) is formulated in which each secondary user aims to maximize its utility, while it reduces the aggregate interference on the primary users (PUs) and the end-to-end delay. In order to reduce the end-to-end delay and the accumulated interference, the IRG algorithm selects upstream neighbors in a view point of the sender. To model the interference between SUs, IRG uses the signal-to-interference-plus noise (SINR) model. The eﬀectiveness of the proposed algorithm is validated by evaluating the aggregate interference from SUs to the PUs and end-to-end delay. A comprehensive numerical evaluation is performed, which shows that the performance of the proposed algorithm is signiﬁcantly better than the Interference Aware Routing (IAR) using network formation game in cognitive radio mesh networks.