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To study the spectrum allocation problem based on graph coloring model in cognitive radio network, an algorithm to maximize total network revenue is proposed, which is based on artificial physics optimization because of its NP-based features. In artificial physics optimization algorithm, the solution of spectrum allocation problem is mapped into a particle with mass. It establishes the relation between particle mass and its fitness value, and defines the virtual force between the particles by the law of gravity so that the entire group can move to the better direction and achieve population optimization. The detailed spectrum allocation process is given and the particle position updating equation is improved because of its binary coding features. Simulation results show that the proposed algorithm can better maximize network revenue.
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Keywords:
- artificial physics optimization /
- cognitive radio network /
- spectrum allocation /
- network revenue
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[1] Akyildlz, Li W Y, Vuran 2006 Com. Net. 9 2127
[2] Chai Z Y, Liu F 2010 J. Commu. 11 92 (in Chinese) [柴争义, 刘芳 2010 通信学报 11 92]
[3] Wang Q H, Ye B L, Tian Y 2012 Acta Elect. Sin. 40 147 (in Chinese) [王钦辉, 叶保留, 田宇 2012 电子学报 40 147]
[4] Elias Z, Alexandros G 2013 IEEE Commun. Surv. & Tuto. 15 1108
[5] Peng C Y, Zheng H T, Zhao B Y 2009 Mob. Net. Appl. 11 555
[6] Zhao Z J, Peng Z, Zheng S L 2009 IEEE Trans. Wire. Commun. 8 4421
[7] Gao H Y, Li C W 2014 Acta Phys. Sin. 63 128802 (in Chinese) [高洪元, 李晨婉 2014 63 128802]
[8] Xie L P, Zeng J C 2011 J. Comput. Res. Develop. 48 848 (in Chinese) [谢丽萍, 曾建潮 2011 计算机研究与发展 48 848]
[9] Li H, Zhang X G, Li L J 2013 Infom. Tech. J. 12 917
[10] Zhan X, Xiang T Y, Zeng S 2013 Elect. Pow. Auto. Equi. 33 2 (in Chinese) [詹昕, 向铁元, 曾爽 2013 电力自动化设备 33 2]
[11] Wang Y, Zeng J C 2010 Control and Decision 25 1040 (in Chinese) [王艳, 曾建潮 2010 控制与决策 25 1040]
[12] Zhang X J, Lu Y, Tian F 2014 Acta Phys. Sin. 63 078401 (in Chinese) [张学军, 鲁友, 田峰 2014 63 078401]
[13] Zu Y X, Zhou J 2012 Chin. Phys. B 21 019501
[14] Zheng S L, Yang X N 2013 Acta Phys. Sin. 62 078405 (in Chinese) [郑任链, 杨小牛 2013 62 078405]
[15] Chai Z Y, Zheng L P, Zhu S F 2012 Acta Phys. Sin. 61 118801 (in Chinese) [柴争义, 郑丽萍, 朱思峰 2012 61 118801]
[16] Shang R N, Li H O, Cao G, Yu G D 2014 Chin. Phys. Lett. 31 050302
[17] Wang J Z, Ye J S, Huang Q L 2014 Chin. Phys. B 23 044211
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