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    • 4. 发明申请
    • DETERMINATION OF COUPLING BETWEEN RADIO DEVICES
    • 无线电设备之间耦合的确定
    • WO2010149840A1
    • 2010-12-29
    • PCT/FI2010/050472
    • 2010-06-08
    • NOKIA CORPORATIONHOTTINEN, Ari TapaniUUSITALO, Mikko Aleksi
    • HOTTINEN, Ari TapaniUUSITALO, Mikko Aleksi
    • H04W72/08H04B17/00H04L1/00
    • H04B17/336H04B17/24H04B17/309H04B17/345H04W52/244
    • A method includes transmitting, from a radio device of a secondary communication system, a signal into a channel of a primary communication system; monitoring channel signal quality- related feedback of the primary system; determining, based on the monitored channel signal quality-related feedback, an amount of mutual coupling between the transmitted signal and the channel, if any, caused by the transmitted signal; and if the amount of determined mutual coupling is less than a threshold amount, using the channel for communication with another radio device of the secondary communication system. The signal that is transmitted may be a probing signal having at least a predetermined temporally varying transmission pattern, and where determining includes correlating at least the predetermined temporally varying transmission pattern with changes, if any, in the monitored channel signal quality-related feedback. The channel signal quality-related feedback that is monitored may include at least one of ACK/NACK feedback, power control feedback, rate control feedback and channel quality indicator feedback.
    • 一种方法包括:将来自辅助通信系统的无线电设备的信号发送到主要通信系统的信道中; 监控主要系统的信道质量相关反馈; 基于所监测的信道信号质量相关反馈确定由所发送的信号引起的发射信号和信道之间的相互耦合的量(如果有的话); 并且如果确定的相互耦合的量小于阈值量,则使用与第二通信系统的另一个无线电设备进行通信的信道。 所发送的信号可以是具有至少预定的时间上不同的传输模式的探测信号,并且其中确定包括至少将预定的时间变化的传输模式与所监视的信道信号质量相关反馈中的改变(如果有的话)相关联。 被监视的信道信号质量相关反馈可以包括ACK / NACK反馈,功率控制反馈,速率控制反馈和信道质量指示符反馈中的至少一个。