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113 results on '"Shaohan, Feng"'

14. Dynamic Network Service Selection in Intelligent Reflecting Surface-Enabled Wireless Systems: Game Theory Approaches

Author

Van, Nguyen Thi Thanh, Luong, Nguyen Cong, Shaohan, Feng, Nguyen, Huy T., Zhu, Kun, Van Luong, Thien, and Niyato, Dusit

Subjects
Computer Science - Computer Science and Game Theory
Abstract

In this paper, we address dynamic network selection problems of mobile users in an Intelligent Reflecting Surface (IRS)-enabled wireless network. In particular, the users dynamically select different Service Providers (SPs) and network services over time. The network services are composed of IRS resources and transmit power resources. To formulate the SP and network service selection, we adopt an evolutionary game in which the users are able to adapt their network selections depending on the utilities that they achieve. For this, the replicator dynamics is used to model the service selection adaptation of the users. To allow the users to take their past service experiences into account their decisions, we further adopt an enhanced version of the evolutionary game, namely fractional evolutionary game, to study the SP and network service selection. The fractional evolutionary game incorporates the memory effect that captures the users' memory on their decisions. We theoretically prove that both the game approaches have a unique equilibrium. Finally, we provide numerical results to demonstrate the effectiveness of our proposed game approaches. In particular, we have reveal some important finding, for instance, with the memory effect, the users can achieve the utility higher than that without the memory effect

Published
2021

15. Dynamic Network Service Selection in IRS-Assisted Wireless Networks: A Game Theory Approach

Author

Luong, Nguyen Cong, Van, Nguyen Thi Thanh, Shaohan, Feng, Nguyen, Huy T., Niyato, Dusit, and Kim, Dong In

Subjects
Computer Science - Information Theory, Computer Science - Computer Science and Game Theory
Abstract

In this letter, we investigate the dynamic network service provider (SP) and service selection in an intelligent reflecting surface (IRS)-assisted wireless network. In the network, mobile users select different network resources, i.e., transmit power and IRS resources, provided by different SPs. To analyze the SP and network service selection of the users, we formulate an evolutionary game. In the game, the users (players) adjust their selections of the SPs and services based on their utilities. We model the SP and service adaptation of the users by the replicator dynamics and analyze the equilibrium of the evolutionary game. Extensive simulations are provided to demonstrate consistency with the analytical results and the effectiveness of the proposed game approach.

Published
2020

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