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[ "余翔,男,重庆邮电大学通信与信息工程学院副院长、副教授、硕士生导师,主要研究方向为交换技术、计算机网络及信息安全、下一代网络协议等" ]
[ "张小银,女,重庆邮电大学硕士生,主要研究方向为宽带无线网络" ]
[ "刘磊,男,重庆邮电大学硕士生,主要研究方向为无线传感器网络" ]
网络出版日期:2014-12,
纸质出版日期:2014-12-15
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余翔, 张小银, 刘磊. 基于归一化效用函数的功率控制算法研究[J]. 电信科学, 2014,30(12):71-75.
Xiang Yu, Xiaoyin Zhang, Lei Liu. Power Control Algorithm Based on Normalized Utility Function Research[J]. Telecommunications science, 2014, 30(12): 71-75.
余翔, 张小银, 刘磊. 基于归一化效用函数的功率控制算法研究[J]. 电信科学, 2014,30(12):71-75. DOI: 10.3969/j.issn.1000-0801.2014.12.010.
Xiang Yu, Xiaoyin Zhang, Lei Liu. Power Control Algorithm Based on Normalized Utility Function Research[J]. Telecommunications science, 2014, 30(12): 71-75. DOI: 10.3969/j.issn.1000-0801.2014.12.010.
功率控制技术是认知无线电的关键技术之一,分布式功率控制问题可以转化为非合作博弈问题来解决,结合认知无线电特点,提出一个新的S型效用函数,应用归一化的形式表示,并证明了其纳什均衡解的存在和唯一性。仿真结果表明,该算法不受系统调制方式的限制,且具有较快的收敛速度,在一定程度上兼顾了用户之间的公平性,使用户能公平地共享信道资源。
Power control is one of the key technologies of cognitive radio technology. Distributed power control problem can be converted into non-cooperative game to solve the problem. Combining with the characteristics of cognitive radio
a new type S utility function was put forwarded
the normalized form was applied
and the existence and uniqueness of the Nash equilibrium were proved. Simulation results show that the algorithm is not restricted by system modulation mode
and reduces the computational complexity
and has faster convergence speed. The fairness between the users was taken into account
to a certain extent
and the users can share channel resources fairly.
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