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    • 5. 发明申请
    • METHOD AND SYSTEM TO IMPROVE ANTENNA TUNER RELIABILITY
    • 提高天线调谐器可靠性的方法和系统
    • US20150171919A1
    • 2015-06-18
    • US14226041
    • 2014-03-26
    • MOTOROLA MOBILITY LLC
    • Wayne W. BallantyneArmin W. KlomsdorfDavid H. MinasiRobert S. Trocke
    • H04B1/74H04W24/08H04B17/21
    • H04W24/08H04B17/11H04B17/26H04B17/318H04W24/10
    • A method and system performs antenna tuning which enhances radio frequency (RF) tuner reliability within a wireless communication device (WCD). The WCD, in response to receiving a request to change an active RF tuning state, retrieves component usage data corresponding to components of a tuning circuit that is tunable to an RF operating channel. The WCD selectively determines, using device environment state data and/or RF state data and the component usage data, an RF tuning state tuned to the RF operating channel. The selected RF tuning state (a) satisfies tuning performance specifications and (b) enhances component reliability performance by minimizing an operational wear on tuning circuit components. The WCD configures the tuning circuit using the selected RF tuning state and tracks session parameter values for tuning circuit components during a corresponding communication session. Following completion of the communication session, the WCD uses the tracked session parameter values to update component usage data.
    • 一种方法和系统执行天线调谐,其增强无线通信设备(WCD)内的射频(RF)调谐器的可靠性。 响应于接收到改变有源RF调谐状态的请求,WCD检索对应于可调谐到RF操作信道的调谐电路的组件的组件使用数据。 WCD使用设备环境状态数据和/或RF状态数据和组件使用数据选择性地确定调谐到RF操作信道的RF调谐状态。 所选择的RF调谐状态(a)满足调谐性能规范,(b)通过最小化调谐电路部件上的操作磨损来增强部件可靠性性能。 WCD使用所选的RF调谐状态配置调谐电路,并在对应的通信会话期间跟踪调谐电路组件的会话参数值。 在完成通信会话之后,WCD使用跟踪的会话参数值来更新组件使用数据。
    • 8. 发明申请
    • LOW POWER CONSUMPTION ADAPTIVE POWER AMPLIFIER
    • 低功耗自适应功率放大器
    • US20140266462A1
    • 2014-09-18
    • US14108544
    • 2013-12-17
    • Motorola Mobility LLC
    • Ernest SchirmannRyan J. GoedkenArmin W. KlomsdorfThomas D. Nagode
    • H03F3/60
    • H03F3/602H03F1/0222H03F1/025H03F1/0277H03F3/72
    • An adaptive power amplifier that may be used in a wireless communication device is configured to adjust its load line or output impedance, the number of active amplifier cells in each amplification stage, the bias of the active amplifiers, and the supply voltage input capacitive load in accordance with a supply voltage modulation type provided to the power amplifier. The supply voltage modulation types include ET, APT, DC-DC, dual, multi-state or fixed voltage supply voltages. A supply voltage converter, signaled by a baseband processor, generates the selected type of supply voltage modulation for the adaptive power amplifier. The baseband processor may also provide a control interface signal to a controller within the adaptive power amplifier. The controller, based on the received control interface signal provides a configuration signal that configures the impedance, the number of active amplifier cells, the bias of the active amplifier cells, and the supply voltage capacitive load to optimize the adaptive power amplifier based on the supply voltage modulation type.
    • 可以在无线通信设备中使用的自适应功率放大器被配置为调整其负载线或输出阻抗,每个放大级中的有源放大器单元的数量,有源放大器的偏置以及电源电压输入容性负载 根据提供给功率放大器的电源电压调制类型。 电源电压调制类型包括ET,APT,DC-DC,双,多态或固定电源电压。 由基带处理器发信号的电源电压转换器为自适应功率放大器生成所选择的电源电压调制类型。 基带处理器还可以向自适应功率放大器内的控制器提供控制接口信号。 控制器基于所接收的控制接口信号提供配置信号,其配置阻抗,有源放大器单元的数量,有源放大器单元的偏置和电源电压容性负载,以根据供电来优化自适应功率放大器 电压调制型。