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公开(公告)号：US09276312B2
公开(公告)日：2016-03-01
申请号：US13800399
申请日：2013-03-13
摘要： An antenna tuner control system includes an RF path, a lookup table and a state table analysis component. The RF path is configured to generate an RF signal. The lookup table has a state table that correlates antenna states with impedance values. The state table analysis component is configured to generate a tuner control signal from the RF signal using the lookup table.
摘要翻译： 天线调谐器控制系统包括RF路径，查找表和状态表分析组件。 RF路径被配置为产生RF信号。 查找表具有将天线状态与阻抗值相关联的状态表。 状态表分析组件被配置为使用查找表从RF信号生成调谐器控制信号。
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公开(公告)号：US08954022B2
公开(公告)日：2015-02-10
申请号：US14065762
申请日：2013-10-29
发明人： Grigory Itkin
CPC分类号： H04B1/3833 , H04B1/0458
摘要： Some embodiments of the present disclosure relate to a feedback receiver comprising a threshold comparator configured to determine if the amplitude of a baseband signal is within a selection corridor (e.g., defined by an upper and lower threshold value). If the amplitude is within the selection corridor, a feedback receiver is configured to accumulate RF signal samples (e.g., amplitude and phase samples) over a time period. The accumulated RF signal samples, which correspond to substantially constant baseband amplitude values, are then averaged. The calculated averages are utilized for impedance measurements used tune an antenna tuner to limit impedance mismatch. By limiting RF amplitude and phase sample collection to associated baseband signals having an amplitude falling within the selection corridor, substantially equal average amplitudes and phases can be achieved over a relatively short measurement period (i.e., without the need for long measurement period).
摘要翻译： 本公开的一些实施例涉及一种包括阈值比较器的反馈接收器，其被配置为确定基带信号的幅度是否在选择走廊内（例如，由上限和下限阈值定义）。 如果幅度在选择通道内，则反馈接收器被配置为在一段时间内累积RF信号采样（例如振幅和相位采样）。 然后将对应于基本上恒定的基带振幅值的累积RF信号样本进行平均。 计算出的平均值用于阻抗测量，调整天线调谐器以限制阻抗失配。 通过将RF幅度和相位采样采集限制为具有落在选择走廊内的幅度的相关基带信号，可以在相对短的测量周期（即，不需要长测量周期）上实现基本相等的平均振幅和相位。
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