Bandwidth allocation for cooperative relay networks based on Nash bargaining solution

Authors:
Kai Ma;Qiaoni Han;Cailian Chen;Xinping Guan
Affiliations:
Institute of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China;Institute of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China;Institute of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China and School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, ...;Institute of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China and School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, ...
Venue:
International Journal of Communication Systems
Year:
2012

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Abstract

This paper is concerned with the bandwidth allocation problem for cooperative relay networks. The relay takes the roles of not only forwarding the data originated from the users but also of transmitting its own data to the access point. We focus on the interesting questions of when and how the users and the relay can both benefit from the cooperation by bandwidth allocation for relaying among the users. The bandwidth allocation problem is formulated in this paper as a Nash bargaining problem, and then the bandwidth allocation algorithm can be given on the basis of the sub-gradient method. Simulation results illustrate that users and the relay can both obtain more profits through cooperation. Copyright ©2011 John Wiley & Sons, Ltd.