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Power Allocation in Cooperative Communication System Based on Stackelberg Game

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Abstract

Cooperative communication has great potential to improve the wireless channel capacity by exploiting the antennas on wireless devices for spatial diversity. The performance in cooperative communication depends on careful resource allocation such as relay selection and power control. In this paper, the network is expanded and more than one source is used. What is proposed is a distributed buyer/seller game theoretic framework over multiuser cooperative communication networks in order to stimulate cooperation and improve the system performance. A two-level Stackelberg game is employed to jointly consider the benefits of the source node and the relay nodes in which the source node is modeled as a buyer and the relay nodes are modeled as sellers, respectively. In this work we proposed coded method in which relays amplify and code Source data and send it to destination at the same time and then signal detection occur in destination, but in the codeless network relays send source data separately to destination. So, here coded and codeless networks are compared and contrasted. The stimulation results revealed that the proposed coded method performed better than the codeless ones; furthermore, the research shows that relays near the sources can play a significant role in increasing source node’s utility, so every source would like to buy more power from these preferred relays. Also, the proposed algorithm enforces truthful power demands.

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Authors and Affiliations

  1. Faculty of Electrical and Computer Engineering, Semnan University, Semnan, Iran

    Atefe Mahdavi Lenji & Ali Shahzadi

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  1. Atefe Mahdavi Lenji
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  2. Ali Shahzadi
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Correspondence to Ali Shahzadi.

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Mahdavi Lenji, A., Shahzadi, A. Power Allocation in Cooperative Communication System Based on Stackelberg Game. Wireless Pers Commun 84, 123–135 (2015). https://doi.org/10.1007/s11277-015-2597-6

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