用于认知无线电协作频谱感知的混合蛙跳算法群体初始化技术

郑仕链; 杨小牛

doi:10.7498/aps.62.078405

摘要

提出了一种用于认知无线电线性加权协作频谱感知的改进混合蛙跳算法(shuffled frog leaping algorithm, SFLA) 的群体初始化技术, 提出在SFLA初始群体中包含基于修正偏差因子所得的解, 从而改进算法初期性能. 仿真结果表明相比于传统群体初始化技术, 本文所提出的群体初始化技术能够以更快的速率得到期望解, 从而节约计算时间, 更有利于实时应用

关键词:

A swarm initialization method is proposed for modified shuffled frog leaping algorithm (SFLA) for linear combination cooperative spectrum sensing in cognitive radio. The solution obtained by modified deflection coefficient optimization is included in the initial swarm of SFLA, thus improving the performance of the algorithm at the early stage of the search. Simulations show that compared with the traditional swarm initialization technique, the proposed swarm initialization can obtain expected solutions faster, which means that the proposed technique can save computation time and is more suitable for real time applications.

Keywords:

作者及机构信息

1.
西安电子科技大学通信工程学院, 西安 710071;

2.
通信信息控制和安全技术重点实验室, 嘉兴 314033

基金项目: 通信信息控制和安全技术重点实验室基金资助的课题.

Authors and contacts

1.
School of Telecommunications Engineering, Xidian University, Xi’an 710071, China;

2.
Science and Technology on Communication Information Security Control Laboratory, Jiaxing 314033

Funds: Project supported by the Foundation of Science and Technology on Communication Information Security Control Laboratory, China.

参考文献

[1]	Haykin S 2005 IEEE Journal on Selected Areas in Communications 23 201
[2]	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 物理学报 56 6760]
[3]	Zhao Z J, Peng Z, Zheng S L, Xu S Y, Lou C Y, Yang X N 2009 Acta Phys. Sin. 58 1358 (in Chinese) [赵知劲, 彭振, 郑仕链, 徐世宇, 楼才义 2009 物理学报 58 1358]
[4]	Akyildiz I F, Lo B F, Balakrishnan R 2010 Physical Communication 4 40
[5]	Quan Z, Cui S, Sayed A H 2008 IEEE Journal of Selected Topics in Signal Processing 2 28
[6]	Zheng S L, Lou C Y, Yang X N 2010 Acta Phys. Sin. 59 3611 (in Chinese) [郑仕链, 楼才义, 杨小牛 2010 物理学报 59 3611]
[7]	Zheng S, Lou C, Yang X 2010 Electron. Lett. 46 1525
[8]	Eusuff M M, Lansey K E 2003 Water Resources Planning Management 129 210

施引文献

[1]	Haykin S 2005 IEEE Journal on Selected Areas in Communications 23 201
[2]	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 物理学报 56 6760]
[3]	Zhao Z J, Peng Z, Zheng S L, Xu S Y, Lou C Y, Yang X N 2009 Acta Phys. Sin. 58 1358 (in Chinese) [赵知劲, 彭振, 郑仕链, 徐世宇, 楼才义 2009 物理学报 58 1358]
[4]	Akyildiz I F, Lo B F, Balakrishnan R 2010 Physical Communication 4 40
[5]	Quan Z, Cui S, Sayed A H 2008 IEEE Journal of Selected Topics in Signal Processing 2 28
[6]	Zheng S L, Lou C Y, Yang X N 2010 Acta Phys. Sin. 59 3611 (in Chinese) [郑仕链, 楼才义, 杨小牛 2010 物理学报 59 3611]
[7]	Zheng S, Lou C, Yang X 2010 Electron. Lett. 46 1525
[8]	Eusuff M M, Lansey K E 2003 Water Resources Planning Management 129 210

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