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    • 6. 发明申请
    • A TRANSMITTER AND A METHOD OF CALIBRATING POWER IN SIGNALS OUTPUT FROM A TRANSMITTER
    • 一种发射机和一种校准信号发射机输出功率的方法
    • WO2004030246A1
    • 2004-04-08
    • PCT/GB2003/004178
    • 2003-09-24
    • QUALCOMM (UK) LIMITEDJANOSEVIC, ZoranFRANKLAND, Stephen
    • JANOSEVIC, ZoranFRANKLAND, Stephen
    • H04B17/00
    • H03F1/02H03F1/32H03F3/24H03F2200/336H04B17/13H04W52/226H04W52/52
    • A transmitter circuit (10) with a first characteristic controllable by a first control signal and a second characteristic controllable by a second control signal is calibrated using a calibration method to enable accurate power control. The transmitter circuit (10) will typically comprise a VGA amplifier (16) and a power amplifier (22). Typically, the gain of the VGA amplifier 16 is controlled and so is the current supplied to the power amplifier (22). The method comprises a number of operations including defining a set of multiple signal values for the first control signal, setting the first control signal to a level corresponding to a signal value from the set of multiple first control signal values. Then the second control signal is adjusted to cause the transmitter to operate in a desired manner and the power in a signal transmitted by the transmitter is measured. The setting, adjusting and measuring is repeated for each signal value in the set of multiple first control signal values.
    • 具有由第一控制信号控制的第一特性和由第二控制信号控制的第二特性的发射机电路(10)使用校准方法进行校准,以实现精确的功率控制。 发射机电路(10)通常将包括VGA放大器(16)和功率放大器(22)。 通常,VGA放大器16的增益受到控制,而提供给功率放大器(22)的电流也被控制。 该方法包括多个操作,包括定义用于第一控制信号的一组多个信号值,将第一控制信号设置为与多个第一控制信号值的集合中的信号值对应的电平。 然后调整第二控制信号以使发射机以期望的方式工作,并且测量由发射机发射的信号中的功率。 在多个第一控制信号值的集合中的每个信号值重复设置,调整和测量。
    • 8. 发明申请
    • METHOD AND APPARATUS FOR IMPROVING NFC CONNECTION THROUGH DEVICE POSITIONING
    • 通过设备定位改善NFC连接的方法和装置
    • WO2013163003A1
    • 2013-10-31
    • PCT/US2013/037223
    • 2013-04-18
    • QUALCOMM INCORPORATED
    • FRANKLAND, StephenHILLAN, John
    • H04W4/00
    • H04B5/00H04M1/7253H04M2250/04H04W4/80
    • Aspects disclosed herein relate to improving near field communication (NFC) device positioning for performing a NFC action based on one or more sensory cues. In one example, a NFC device may be equipped to detect that a device is attempting to perform a NFC action to communicate with a remote NFC device and may provide a first sensory cue to indicate a first location on a first surface of the device corresponding to an antenna location on a second surface of the device in response to the determination that the device is attempting to perform the NFC action. The NFC device may be further operable to determine a type of NFC action the device is attempting to perform and provide a second sensory cue indicating a second location on the first surface of the device based on one or more factors associated with the determined type of NFC action.
    • 本文公开的方面涉及改进用于基于一个或多个感觉提示来执行NFC动作的近场通信(NFC)设备定位。 在一个示例中,可以配备NFC设备以检测设备正在尝试执行NFC动作以与远程NFC设备进行通信,并且可以提供第一感觉提示以指示与设备对应的设备的第一表面上的第一位置 响应于该设备正在尝试执行NFC动作的确定,设备的第二表面上的天线位置。 NFC设备还可以用于确定设备尝试执行的NFC动作的类型,并且基于与所确定的NFC类型相关联的一个或多个因素来提供指示设备的第一表面上的第二位置的第二感觉提示 行动。