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Reasonable setting of engine parameters can improve the performance of the spectrum use. By analyzing engine parameter adjustment of cognitive wireless network, the mathematical model is given, and then it is converted into a multi-objective optimization problem. A chaos multi-objective immune algorithm is proposed to solve the problem. Logistic mapping is used to initialize population and search for the best solutions in every generation. The operators of cloning and antibodies updating are designed, which ensures that the distribution of Pateto optimal solutions is more diverse and uniform. Finally, the simulation experiments are done to test the algorithm under multi-carrier system. The results show that the algorithm can adjust transmission power and modulation mode according to the change of channel and user demands. More solutions with preferences are obtained, so it meets the demands for parameter optimization of cognitive engine.
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Keywords:
- chaos /
- multi-objective immune algorithm /
- cognitive engine /
- parameters adjustments
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[1] Haykin S 2008 IEEE J. Sel. Area Comm. 23 201
[2] Tim R N, Brett A B, Alexander M 2008 Wirel. Commun. Mob.Com. 7 1129
[3] Zhao Z J, Zheng S L, Shang J N, Kong X Z 2007 Acta Phys. Sin.56 6760 (in Chinese) [赵知劲, 郑仕链, 尚俊娜, 孔宪正 2007 56 6760]
[4] Ayman E H 2009 The Ninth IEEE Malaysia International Conferenceon Communications, Chicago, July 21-23, 2009 p1
[5] Zhao Z J, Xu S Y, Zheng S L, Yang X N 2009 Acta Phys. Sin. 585118 (in Chinese) [赵知劲, 徐世宇, 郑仕链, 杨小牛 2009 58 5118]
[6] Zhao N, Li S Y, Wu Z L 2011 Wire. Per. Comm. 58 1
[7] Yang D D, Jiao L C, Gong M G, Feng J 2010 Comput. Intell. 26359
[8] Chai Z Y, Liu F 2011 J. Commun. 31 591 (in Chinese) [柴争义, 刘芳 2011 通信学报 31 591]
[9] Chai Z Y, Liu F, Zhu S F 2011 Acta Phys. Sin. 60 068803 (inChinese) [柴争义, 刘芳, 朱思峰 2011 60 068803]
[10] Zu Y X, Zhou J, Zeng C C 2010 Chin. Phys. B 19 119501
[11] Zheng R R, Liu Y A 2010 Acta Elec. Sin. 38 632 (in Chinese) [张然然, 刘元安 2010 电子学报 38 632]
[12] Ycek T, Arslan H 2009 IEEE Comm. 1 116
[13] Zhou J, Zu Y X 2010 Acta Phys. Sin. 59 7508 (in Chinese) [周杰, 俎云霄 2010 59 7508]
[14] Gong M G, Jiao L C, Liu F, Ma W P 2010 Knowl. Inf. Syst. 25523
[15] Lei D M, Yan X P, Wu Z M 2006 Acta Elec. Sin. 34 1142
[16] Newman T R, Evans J B 2008 The 3rd IE-EE Symposium on NewFrontiers in Dynamic Spectrum Access Networks, Chicago, March10-12, 2008 p1
[17] Rieser C J 2006 (Ph. D. Dissertation) (Virginia:Virginia Tech)
[18] Mackenzie A B, Reed J H 2009 IEEE Comm. Lett. 97 660
[19] Zhang C Y, Dong X, Wang X J 2010 J. Mech. Eng. 46 156 (inChinese) [张超勇, 董星, 王晓娟 2010 机械工程学报 46 156]
[20] Zhou X S, Jiong S, Jian X 2010 J. S. E. Univ. 26 563
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