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    • 3. 发明授权
    • Frame/packet-based calibration for wireless transceivers
    • 无线收发器的帧/分组校准
    • US08605633B1
    • 2013-12-10
    • US12907837
    • 2010-10-19
    • Lawrence TseKing Chun TsaiGeorge ChienTyson Leistiko
    • Lawrence TseKing Chun TsaiGeorge ChienTyson Leistiko
    • H04B7/00H04B7/216
    • H04W56/003H04B1/40H04B17/21
    • A transceiver including a transceiver component with a first and second inputs and an output. The transceiver is configured to (i) receive an input signal having packets via the first input and (ii) generate output signals at the output based on the input signal. The transceiver further includes a first comparator configured to compare the output signals and generate a first comparison signal; a register configured to store the first comparison signal; a calibration circuit is configured to generate a current signal based on the first comparison signal to adjust a current in the transceiver component; and a signal generator is configured to generate a reference signal based on the current signal. The transceiver component is configured to (i) based on the current signal, adjust a performance parameter of the transceiver at times synchronized with the packets and (ii) generate the output signals based on the current signal and the reference signal.
    • 收发器,包括具有第一和第二输入和输出的收发器组件。 收发器被配置为(i)经由第一输入接收具有分组的输入信号,以及(ii)基于输入信号在输出端生成输出信号。 收发器还包括第一比较器,其被配置为比较输出信号并产生第一比较信号; 配置为存储第一比较信号的寄存器; 校准电路被配置为基于第一比较信号产生电流信号以调整收发器部件中的电流; 并且信号发生器被配置为基于当前信号产生参考信号。 收发器组件被配置为(i)基于当前信号,在与分组同步的时间调整收发器的性能参数,以及(ii)基于当前信号和参考信号生成输出信号。
    • 5. 发明授权
    • Frame/packet-based calibration for wireless transceivers
    • 无线收发器的帧/分组校准
    • US07006824B1
    • 2006-02-28
    • US10238475
    • 2002-09-10
    • Lawrence TseKing Chun TsaiGeorge ChienTyson Leistiko
    • Lawrence TseKing Chun TsaiGeorge ChienTyson Leistiko
    • H04B1/44H04B7/00H04Q7/20
    • H04W56/003H04B1/40H04B17/21
    • A packet-based wireless transceiver that transmits and receives data packets includes a transceiver component having an adjustable performance parameter. A calibration circuit adjusts the performance parameter of the transceiver component at times synchronized with the data packets. A calibration signal generator generates calibration signals based on the performance parameter and outputs the calibration signals to the transceiver component. A comparator receives the outputs of the transceiver component and generates a difference signal. A calibration adjustment circuit communicates with the calibration signal generator and the comparator and adjusts the performance parameter to reduce the difference signal. Alternately, a reference signal generator generates a reference signal. A comparator receives the reference signal and a second signal from the transceiver component and generates a difference signal. A calibration adjustment circuit adjusts the performance parameter of the transceiver to reduce the difference signal.
    • 发送和接收数据分组的基于分组的无线收发器包括具有可调整性能参数的收发机组件。 校准电路在与数据包同步的同时调整收发器组件的性能参数。 校准信号发生器根据性能参数生成校准信号,并将校准信号输出到收发器组件。 比较器接收收发器部件的输出并产生差分信号。 校准调节电路与校准信号发生器和比较器通信,并调整性能参数以减小差分信号。 或者,参考信号发生器产生参考信号。 比较器从收发器部件接收参考信号和第二信号,并产生差分信号。 校准调整电路调整收发器的性能参数以减小差分信号。