Power Control Algorithm Based on Normalized Utility Function Research

Xiang Yu; Xiaoyin Zhang; Lei Liu

doi:10.3969/j.issn.1000-0801.2014.12.010

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Power Control Algorithm Based on Normalized Utility Function Research

research and development | 更新时间：2024-06-05

- Power Control Algorithm Based on Normalized Utility Function Research
- Telecommunications Science Vol. 30, Issue 12, Pages: 71-75(2014)
- 作者机构：
- 作者简介：
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- DOI：10.3969/j.issn.1000-0801.2014.12.010
  CLC：
- Published Online：2014-12，
  
  Published：15 December 2014
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Xiang Yu, Xiaoyin Zhang, Lei Liu. Power Control Algorithm Based on Normalized Utility Function Research[J]. Telecommunications science, 2014, 30(12): 71-75.
DOI：

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.

摘要

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。

Abstract

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.

关键词

Keywords

references

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