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    • 3. 发明授权
    • Method and apparatus for low power simultaneous frequency, automatic gain control and timing acquisition in radio receivers
    • 无线电接收机中低功率同时频率,自动增益控制和定时采集的方法和装置
    • US08509355B2
    • 2013-08-13
    • US12165373
    • 2008-06-30
    • Peter BradleyRichard F. WoicikAndrew M. BottomleyEric D. Corndorf
    • Peter BradleyRichard F. WoicikAndrew M. BottomleyEric D. Corndorf
    • H04L27/22
    • H04L27/2331H03G3/3052H04L7/0334H04L7/042H04L27/0014H04L2027/0026
    • A method and apparatus are provided for low power simultaneous frequency, automatic gain control and timing acquisition in a low power radio receiver. A baseband signal received is split into a limited signal having limited data and a non-limited signal. The limited signal is fed through a limited phase-shift keying (PSK) correlation path in which a PSK correlator operating on the limited signal simultaneously determines coarse frequency estimations, timing estimations, and packet synchronization detection. The non-limited signal is fed through an automatic gain control path where automatic gain control is performed on the non-limited signal simultaneously with the coarse frequency and timing estimations and packet synchronization detection performed by the PSK correlator. By operating the PSK correlator on limited data from the received baseband signal and through a separate path from the automatic gain control, substantial power savings are achieved without degrading performance since the preamble time is significantly reduced.
    • 提供了一种在低功率无线电接收机中用于低功率同时频率,自动增益控制和定时获取的方法和装置。 接收到的基带信号被分成具有有限数据和非限制信号的有限信号。 有限信号通过有限相移键控(PSK)相关路径馈送,其中在受限信号上操作的PSK相关器同时确定粗频率估计,定时估计和分组同步检测。 非限制信号通过自动增益控制路径馈送,其中在由PSK相关器执行的粗略频率和定时估计和分组同步检测的同时对非限制信号执行自动增益控制。 通过对来自接收到的基带信号的有限数据和通过与自动增益控制分离的路径操作PSK相关器,实现了大幅度的功率节省而不降低性能,因为前导码时间显着减少。
    • 4. 发明申请
    • Method and Apparatus for Low Power Simultaneous Frequency, Automatic Gain Control and Timing Acquisition in Radio Receivers
    • 无线电接收机中低功率同时频率,自动增益控制和定时采集方法与装置
    • US20090323865A1
    • 2009-12-31
    • US12165373
    • 2008-06-30
    • Peter BradleyRichard F. WoicikAndrew M. BottomleyEric D. Corndorf
    • Peter BradleyRichard F. WoicikAndrew M. BottomleyEric D. Corndorf
    • H04L27/22
    • H04L27/2331H03G3/3052H04L7/0334H04L7/042H04L27/0014H04L2027/0026
    • A method and apparatus are provided for low power simultaneous frequency, automatic gain control and timing acquisition in a low power radio receiver. A baseband signal received is split into a limited signal having limited data and a non-limited signal. The limited signal is fed through a limited phase-shift keying (PSK) correlation path in which a PSK correlator operating on the limited signal simultaneously determines coarse frequency estimations, timing estimations, and packet synchronization detection. The non-limited signal is fed through an automatic gain control path where automatic gain control is performed on the non-limited signal simultaneously with the coarse frequency and timing estimations and packet synchronization detection performed by the PSK correlator. By operating the PSK correlator on limited data from the received baseband signal and through a separate path from the automatic gain control, substantial power savings are achieved without degrading performance since the preamble time is significantly reduced.
    • 提供了一种在低功率无线电接收机中用于低功率同时频率,自动增益控制和定时获取的方法和装置。 接收到的基带信号被分成具有有限数据和非限制信号的有限信号。 有限信号通过有限相移键控(PSK)相关路径馈送,其中在受限信号上操作的PSK相关器同时确定粗频率估计,定时估计和分组同步检测。 非限制信号通过自动增益控制路径馈送,其中在由PSK相关器执行的粗略频率和定时估计和分组同步检测的同时对非限制信号执行自动增益控制。 通过对来自接收到的基带信号的有限数据和通过与自动增益控制分离的路径操作PSK相关器,实现了大幅度的功率节省而不降低性能,因为前导码时间显着减少。
    • 6. 发明申请
    • TRANSCEIVER DUTY CYCLED OPERATIONAL MODE
    • 收发机占空比运行模式
    • US20100198279A1
    • 2010-08-05
    • US12363072
    • 2009-01-30
    • Eric D. CorndorfGary P. KiviMatthew D. KirkwoodNicholas C. Wine
    • Eric D. CorndorfGary P. KiviMatthew D. KirkwoodNicholas C. Wine
    • A61N1/08
    • A61N1/37276
    • A device, such as an IMD, operating in accordance with the techniques of this disclosure detects a telemetry configuration event and, in response to the telemetry configuration event, configures a telemetry module of the IMD to operate in a duty cycled operational mode. The duty cycled operational mode includes a plurality of intervals during which a transceiver of the telemetry module is powered down interleaved with intervals during which the transceiver is powered up, e.g., for transmitting or receiving communications over an established communication session. The power freed up during the intervals in which the transceiver is powered down may be allocated for use by other components of the IMD. The telemetry module maintains information regarding the established communication session during the plurality of intervals during which the transceiver is powered down such that transmit and receive operations may immediately begin during intervals in which the transceiver is powered up.
    • 根据本公开的技术操作的诸如IMD的设备检测遥测配置事件,并且响应于遥测配置事件,配置IMD的遥测模块以工作循环操作模式操作。 占空比循环操作模式包括多个间隔,在该间隔期间遥测模块的收发器被断电与间隔期间交错,在该间隔期间收发器被加电,例如用于通过建立的通信会话发送或接收通信。 在收发器掉电的间隔期间释放的电源可能被分配供IMD的其他组件使用。 在收发器断电的多个间隔期间,遥测模块保持关于建立的通信会话的信息,使得发射和接收操作可以在收发器加电的间隔期间立即开始。
    • 7. 发明授权
    • Transceiver duty cycled operational mode
    • 收发机工作循环运行模式
    • US09345892B2
    • 2016-05-24
    • US12363109
    • 2009-01-30
    • Eric D. CorndorfGary P. KiviMatthew D. KirkwoodNicholas C. Wine
    • Eric D. CorndorfGary P. KiviMatthew D. KirkwoodNicholas C. Wine
    • A61N1/08A61N1/372G06F19/00
    • A61N1/37276G06F19/00G06F19/3418G16H40/63
    • This disclosure describes an operational mode of a telemetry module. A device, such as a programming device, operating in accordance with the techniques of this disclosure determines that a transceiver of an implantable medical device is operating in a duty cycled operational mode that includes at least one interval during which the transceiver is powered down interleaved with intervals during which the transceiver is powered up, e.g., for transmitting or receiving communications over an established communication session. The programming device is configured to transmit information during the at least one interval in which the transceiver of the implantable medical device is powered down. Doing so ensures that the channel over which the programmer and implantable medical device communicate will not be usurped by another device.
    • 本公开描述了遥测模块的操作模式。 根据本公开的技术操作的诸如编程设备的设备确定可植入医疗设备的收发器以占空比循环操作模式操作,该模式包括至少一个间隔,在该间隔期间,收发器被断电与 收发器加电的时间间隔,例如,用于通过建立的通信会话发送或接收通信。 编程设备被配置为在可植入医疗设备的收发器被断电的至少一个间隔期间传送信息。 这样做确保了编程器和可植入医疗设备通信的通道不会被另一个设备占用。