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一种基于IoT控制的小区间功率控制方法
引用本文:李中年,郑毅,王亚峰,杨大成.一种基于IoT控制的小区间功率控制方法[J].电子与信息学报,2009,31(11):2703-2707.
作者姓名:李中年  郑毅  王亚峰  杨大成
作者单位:1. 华中师范大学电子与信息工程系,武汉,430079;北京邮电大学无线理论与技术实验室,北京,100876
2. 北京邮电大学无线理论与技术实验室,北京,100876
摘    要:该文针对OFDMA蜂窝系统中上行干扰特性,提出了基于IoT控制的小区间功率控制方法。该方法通过相邻小区相互交换干扰信息,对传统的功率控制进行修正,并根据调整原则和调整步长,提出了4种控制方法,使得系统IoT更稳定,吞吐量更高。仿真证实了这4种控制方法都优于传统未加IoT控制的功率控制方法,其中基于固定比较对象的自适应调整步长的功率控制方法最优。

关 键 词:OFDMA  功率控制  小区间干扰  IoT(干扰噪声)
收稿时间:2008-11-14
修稿时间:2009-6-24

An Inter-cell Power Control Method Based on IoT
Li Zhong-nian,Zheng Yi,Wang Ya-feng,Yang Da-cheng.An Inter-cell Power Control Method Based on IoT[J].Journal of Electronics & Information Technology,2009,31(11):2703-2707.
Authors:Li Zhong-nian  Zheng Yi  Wang Ya-feng  Yang Da-cheng
Affiliation:Department of Electronic and Information Engineering, Huazhong Normal University, Wuhan 430079, China; Wireless Theory and Technology Lab, Beijing University of Posts and Telecommunication, Beijing 100876, China
Abstract:Considering the uplink inter-cell interference in the OFDMA cellular system, an inter-cell power control method based on IoT is proposed. This method gives an amendment on the traditional power control through the exchange of the interference of the neighbor cells, and in accordance with the adjustment principle and adjustment step, four power control methods are put forward, which can make IoT more stable and have higher throughput. The simulation results show that all these four methods are superior to the traditional power control method, in which, the adaptive step power control combining with fixed target IoT is optimal.
Keywords:OFDMA  Power control  Inter-cell interference  IoT(Interference over Thermal)
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