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81. 发明申请

WO2013070432A1 ESTIMATION OF REPEATER LOOP DELAY FOR REPEATER GAIN CONTROL 审中-公开
标题翻译：用于重复增益控制的重复循环延迟估计
公开(公告)号：WO2013070432A1
公开(公告)日：2013-05-16
申请号：PCT/US2012/061621
申请日：2012-10-24
申请人： QUALCOMM INCORPORATED
发明人： WANG, Michael Mao , BARRIAC, Gwendolyn Denise , GORE, Dhananjay Ashok
IPC分类号： H04B7/155
CPC分类号： H04B7/15578 , H04B7/15535
摘要： Methods and apparatus for estimating a loop delay value (N delay ) in an interference cancellation repeater are presented. For example, a method may include setting a repeater gain to an initial gain value, setting a delay parameter to an initial time value, and measuring a loop gain associated with the delay parameter and the repeater gain by detecting a feedback signal with an echo canceller disabled. The method may further include determining whether the measured loop gain is larger than a previously measured loop gain, and if so, designating the delay parameter as the loop delay value (N delay ); and decrementing the delay parameter when the measured loop gain is not larger than the previously measured loop gain, and when the delay parameter is not at a final time value. The method may iterate until the delay parameter is less than or equal to the final time value.
摘要翻译：提出了一种用于估计干扰消除中继器中的环路延迟值（Ndelay）的方法和装置。例如，一种方法可以包括将中继器增益设置为初始增益值，将延迟参数设置为初始时间值，以及通过用回波消除器检测反馈信号来测量与延迟参数和中继器增益相关联的环路增益禁用。该方法还可以包括确定测量的环路增益是否大于先前测量的环路增益，如果是，则将延迟参数指定为环路延迟值（Ndelay）; 并且当测量的环路增益不大于先前测量的环路增益时，以及当延迟参数不在最终时间值时，递减延迟参数。该方法可以迭代，直到延迟参数小于或等于最终时间值。

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