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Vol. 158, Issue 11, November 2013, pp. 127-134

 

Bullet

 

Distributed Relay Selection and Power Allocation Using Stackelberg and Auction Games in Multi-user Multi-relay Networks
 
Erqing ZHANG, Sixing YIN, Liang YIN, Shufang LI

School of Information and Communication Engineering,

Beijing University of Posts and Telecommunications, Beijing, 100876, China

Tel.: 86+18801110165
E-mail: sxhd2004@126.com

 

Received: 3 September 2013   /Accepted: 25 October 2013   /Published: 30 November 2013

Digital Sensors and Sensor Sysstems

 

Abstract: This paper focuses on the problem of distributed relay selection and power allocation problem in a multi-user multi-relay network, aims to maximize users’ achievable rate while consume less power of relays which are selected for helping users transmit information. At first, we use the auction game theory to choose the relays for each user preliminarily, then for each user and the selected relays, we model the interaction between them as a two-level Stackelberg game, the relays modeled as the service provider and the users modeled as customers who will buy power from the providers. Based on this game model, we get the relays at relatively better locations for each user and the optimal power need to buy from them. Otherwise, as the users will not exchange information between themselves, we recalculate the power allocated to each user for relays the power users buy from it exceeds the maximizing transmit power. Simulation results show the effectiveness of our proposed scheme.

 

Keywords: Distributed relay selection, Power allocation, multi-user multi-relay network, Stackelberg game, Auction game

 

 

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