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    • 2. 发明授权
    • Base station, interference control method and radio communication system
    • 基站,干扰控制方式和无线通信系统
    • US08811286B2
    • 2014-08-19
    • US13462273
    • 2012-05-02
    • Tomonori YamamotoRintaro KatayamaKeisuke Takeuchi
    • Tomonori YamamotoRintaro KatayamaKeisuke Takeuchi
    • H04W4/00
    • H04L1/1893H04W72/1231
    • Timing division multiplexing is conducted between the cells to avoid intercell interference. Transmission timing in a time slot pattern has a given interval. A base station determines the transmission timing based on measured uplink interference power. For example, an uplink time slot pattern in which the measured uplink interference power is smaller is selected. A downlink time slot pattern is assigned so that a response to HARQ is returned at that timing. If traffic is busy, additional time slot pattern may be assigned. In determination of the traffic volume, for example, the queued buffer size, the number of connected terminals, or the number of connections to a higher-level device can be used. Assignment timing can be an initial setup time, or a fluctuation detection time of a channel which can be realized by collection of report information on a downlink communication quality, periodic monitor of uplink interference information.
    • 在小区之间进行时分复用以避免小区间干扰。 时隙模式中的发送定时具有给定的间隔。 基站基于测量的上行干扰功率来确定传输定时。 例如,选择其中测量的上行链路干扰功率较小的上行链路时隙模式。 分配下行链路时隙模式,使得在该定时返回对HARQ的响应。 如果流量繁忙,可能会分配额外的时隙模式。 在确定流量时,例如可以使用排队的缓冲区大小,连接的终端的数量或到较高级设备的连接数。 分配定时可以是通过收集关于下行链路通信质量的报告信息,上行链路干扰信息的周期性监视来实现的信道的初始建立时间或波动检测时间。