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    • 5. 发明授权
    • Mobile communication system, base station, mobile station, and cell control method
    • 移动通信系统,基站,移动台和小区控制方法
    • US07239619B2
    • 2007-07-03
    • US10677431
    • 2003-10-03
    • Hideki TobeHidetoshi KayamaNarumi Umeda
    • Hideki TobeHidetoshi KayamaNarumi Umeda
    • H04Q7/00
    • H04W16/06H04M15/8016H04M2215/2026H04M2215/32H04M2215/7414H04W4/24H04W36/18H04W48/12H04W52/322H04W52/40
    • Provided is a mobile communication system capable of reducing interference in uplinks and downlinks to achieve excellent communication quality. A mobile station receives cell selection reference signals from a first base station and a second base station to connect before and after a handover, and measures received power values of the cell selection reference signals. The mobile station acquires uplink transmitted power values from the mobile station to the first base station and to the second base station. The first base station and the second base station control a power of the cell selection reference signal so that the uplink transmitted power values from the mobile station to the first base station and to the second base station become substantially equal and so that a received power value at the mobile station of the cell selection reference signal becomes substantially equal to a predetermined reference power value.
    • 提供了能够减少上行链路和下行链路中的干扰以实现良好的通信质量的移动通信系统。 移动站从第一基站和第二基站接收小区选择参考信号,以在切换之前和之后连接,并测量小区选择参考信号的接收功率值。 移动站从移动站获取上行链路发送的功率值到第一基站和第二基站。 第一基站和第二基站控制小区选择参考信号的功率,使得从移动台到第一基站和第二基站的上行链路发射功率值变得基本相等,并且使得接收功率值 在小区选择参考信号的移动站处,变得基本上等于预定的参考功率值。
    • 10. 发明申请
    • Base station and transmission power determining method in mobile communications systems
    • 移动通信系统中的基站和传输功率决定方法
    • US20050099973A1
    • 2005-05-12
    • US10981480
    • 2004-11-05
    • Heng QiuHidetoshi KayamaNarumi Umeda
    • Heng QiuHidetoshi KayamaNarumi Umeda
    • H04B7/005H04B7/26H04J13/00H04W24/00H04W28/00H04W52/04H04W52/14H04W52/22H04W52/24H04W52/26H04W52/28H04B1/38
    • H04W52/267H04W52/146H04W52/244H04W52/286
    • In a disclosed mobile communications system wherein packet communication between a base station and its subordinated mobile station is established based on a reservation packet, the packet communication uses controlled transmission power and a radio resource allocated based on reception quality information received from the mobile station. The base station comprises a memory for storing its own cell reception power transmitted from the mobile station based on radio resource allocation status for the mobile station; a neighboring interference calculating unit for calculating neighboring cell interference based on the its own cell reception power and the reception quality information; an interference margin determining unit for establishing neighboring cell interference margin for preparing for neighboring cell interference; and a transmission power determining unit for determining transmission power for each packet transmitted from the mobile station based on the reception quality information and the interference margin.
    • 在公开的移动通信系统中,基于预约分组建立基站与其下属移动台之间的分组通信,分组通信使用受控发送功率和基于从移动台接收的接收质量信息分配的无线资源。 基站包括:存储器,用于基于移动台的无线电资源分配状态来存储从移动站发送的其自己的小区接收功率; 相邻干扰计算单元,用于基于其自身的小区接收功率和接收质量信息来计算邻近小区干扰; 干扰余量确定单元,用于建立相邻小区干扰余量以准备相邻小区干扰; 以及发送功率确定单元,用于基于接收质量信息和干扰余量来确定从移动台发送的每个分组的发送功率。