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| Resource Allocation for Heterogeneous Wireless Networks: A Robust Layered Game Learning Solutions |
| SHAO Hongxiang①④ ZHAO Hangsheng② SUN Youming③ SUN Fenggang① |
①(College of Communications Engineering, PLA University of Science and Technology, Nanjing 210007, China)
②(Nanjing Telecommunication Technology Institute, Nanjing 210007, China)
③(Institute of Information System Engineering, PLA Information Engineering University, Zhengzhou 450000, China)
④(Luoyang Institute of Science and Technology, Luoyang 471023, China) |
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Abstract This paper investigates a resource allocation scheme in heterogeneous wireless small cell networks with imperfect Channel State Information (CSI). In this work, the math expression for the stochastic dynamic uncertainty in CSI is proposed for model analysis and the robust Stackelberg game model with various interference power constraints is established firstly. Then, the Stackelberg game Equilibrium (SE) is obtained and analyzed. Lastly, an improved hierarchical Q-learning algorithm is also given to search the Stackelberg equilibrium strategies of macro-cell base station and small-cell base station. Both theoretical analysis and simulation results verify the proposed scheme can effectively restrain declining revenue due to incomplete CSI and the proposed algorithms can improves the convergence rate, especially applicable to the fast varying communication environment.
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Received: 28 March 2016
Published: 16 November 2016
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| Fund: The National Natural Science Foundation of China (61471395, 61401508), The Natural Science Foundation of Jiangsu Province, China (BK20161125) |
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Corresponding Authors:
SHAO Hongxiang
E-mail: shaohongxiang2003@163.com
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