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    • 9. 发明申请
    • TRANSMISSION POWER CONTROL SYSTEM, BASE STATION, AND TRANSMISSION POWER CONTROL METHOD
    • 传输功率控制系统,基站和传输功率控制方法
    • US20120034947A1
    • 2012-02-09
    • US13198957
    • 2011-08-05
    • Hiroyuki HOSONOTakeshi TERAYAMATakahiro HAYASHI
    • Hiroyuki HOSONOTakeshi TERAYAMATakahiro HAYASHI
    • H04W52/16
    • H04W52/242H04W52/244H04W52/245H04W52/40
    • A transmission power determination system configured to control a transmission power of a radio signal transmitted by a small base station in a mobile communication network including a general base station forming a predetermined cell and the small base station forming a small cell smaller in size than the predetermined cell, the transmission power determination system comprising: a reception power acquisition unit configured to acquire a reception power of a radio signal from one of a different small base station or the general base station, which can be received by the small base station; a determination unit configured to determine one of the different small base station and the general base station which transmits the radio signal acquired by the reception power acquisition unit; a pathloss value calculation unit configured to calculate, when it is determined by the determination unit that the radio signal is transmitted from the different small base station, pathloss value between the different small base station and the small base station based on a difference between a transmission power of the radio signal from the different small base station and the reception power of the radio signal from the different small base station acquired by the reception power acquisition unit; and a transmission power determination unit configured to determine the transmission power of the radio signal transmitted by the small base station, based on the pathloss value calculated by the pathloss value calculation unit.
    • 发送功率确定系统,被配置为控制由包括形成预定小区的通用基站的移动通信网络中的小型基站发送的无线信号的发送功率,小型基站形成小于预定小区的小小区域 小区,所述发送功率确定系统包括:接收功率获取单元,被配置为从小型基站接收的不同小型基站或普通基站之一获取无线电信号的接收功率; 确定单元,被配置为确定发送由所述接收功率获取单元获取的无线电信号的所述不同小型基站和所述一般基站中的一个; 路径损耗值计算单元,被配置为当由所述确定单元确定从所述不同的小型基站发送所述无线电信号时,基于所述不同的小型基站之间的差异来计算所述不同的小型基站和所述小型基站之间的路径损耗值 来自不同小型基站的无线电信号的功率和由接收功率获取单元获取的来自不同小型基站的无线电信号的接收功率; 以及发送功率确定单元,被配置为基于由路径损耗值计算单元计算的路径损耗值来确定由小型基站发送的无线电信号的发送功率。