[1]陈波 王欢 唐伦.认知无线网络中基于多用户公平性的功率分配[J].计算机技术与发展,2011,(04):77-80.
 CHEN Bo,WANG Huan,TANG Lun.Power Allocation Based-on Multi-user Fairness in Cognitive Wireless Networks[J].,2011,(04):77-80.
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认知无线网络中基于多用户公平性的功率分配()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2011年04期
页码:
77-80
栏目:
智能、算法、系统工程
出版日期:
1900-01-01

文章信息/Info

Title:
Power Allocation Based-on Multi-user Fairness in Cognitive Wireless Networks
文章编号:
1673-629X(2011)04-0077-04
作者:
陈波1 王欢2 唐伦2
[1]中国人民银行重庆营业管理部[2]重庆邮电大学移动通信技术重点实验室
Author(s):
CHEN BoWANG Huan TANG Lun
[1]People's Bank of China,Chongqing Branch[2]Key Lab of Mobile Communication Technology,Chongqing University of Posts and Telecommunications
关键词:
认知无线网络公平性功率分配分布式算法
Keywords:
cognitive wireless networks fairness power allocation distributed algorithm
分类号:
TP393
文献标志码:
A
摘要:
研究认知无线网络中保证多用户场景下保证用户速率需要的功率分配问题。提出了保证用户公平性的最小化用户实际传输速率与期望速率差值的优化模型,给出了一种集中式功率分配算法1;为了减少减少迭代次数,提出了一种改进的集中式算法2;最后给出了一种分布式的求解算法3。仿真结果表明,三种求解算法都收敛于最优解,且集中式算法2的迭代次数明显小于集中式算法1,分布式功率分配算法有利于减少实现的复杂度
Abstract:
Studies the power allocation for insuring the multi-user fairness.In order to minimize the gap between the user expected rate and achived rate,an optimization model is proposed.A centralized algorithm 1 of equal power allocation is presented,then the centralized algorithm 2 is proposed to reduce the number of iterations.At last,a distributed algorithm 3 is given to solve th optimal problem.The simulation results show that the three algorithms converge to the optimal solution,and the centralized algorithm 2 significantly less than the number of iterations of centralized algorithm 1.Distributed power allocation algorithm can reduce the implementation complexity

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备注/Memo

备注/Memo:
重庆市教育科研计划项目(KJ090501)陈波(1978-),男,重庆合川人,硕士,主要研究领域为计算机网络技术;唐伦,硕士,副教授,主要研究领域为移动通信技术
更新日期/Last Update: 1900-01-01