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    • 5. 发明授权
    • Adjusting repeater gains based upon received downlink power level
    • 基于接收到的下行链路功率电平调整中继器增益
    • US08937874B2
    • 2015-01-20
    • US13243899
    • 2011-09-23
    • Kenneth M. GaineyDhananjay Ashok GoreJames Arthur Proctor, Jr.
    • Kenneth M. GaineyDhananjay Ashok GoreJames Arthur Proctor, Jr.
    • H04L12/26H04B7/155
    • H04B7/15578
    • A method of controlling gains within a repeater may include determining a power control set point value which controls a transmit power of a mobile station (MS), and receiving a downlink signal from a base station transceiver system (BTS). The method may further include measuring a power of the received downlink signal, and computing a power level of a signal expected at the uplink of the repeater, wherein the computing is based on the measured downlink power and the power control set point value. Finally, the method may further include adjusting a gain of at least one amplifier based on the computed power level. An apparatus for controlling gains in a repeater may include a baseband processor for performing the above method.
    • 控制中继器内的增益的方法可以包括确定控制移动台(MS)的发射功率的功率控制设定点值,以及从基站收发信机(BTS)接收下行链路信号。 该方法还可以包括测量所接收的下行链路信号的功率,以及计算在中继器的上行链路上预期的信号的功率电平,其中所述计算基于所测量的下行链路功率和功率控制设定点值。 最后,该方法还可以包括基于所计算的功率电平来调整至少一个放大器的增益。 用于控制中继器中的增益的装置可以包括用于执行上述方法的基带处理器。
    • 9. 发明授权
    • Estimation of repeater loop delay for repeater gain control
    • 用于中继器增益控制的中继器回路延迟的估计
    • US08774708B2
    • 2014-07-08
    • US13372385
    • 2012-02-13
    • Michael Mao WangGwendolyn Denise BarriacDhananjay Ashok Gore
    • Michael Mao WangGwendolyn Denise BarriacDhananjay Ashok Gore
    • H04B7/14
    • H04B7/15578H04B7/15535
    • Methods and apparatus for estimating a loop delay value (Ndelay) 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 (Ndelay); 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.
    • 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 残疾人士 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。