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    • 92. 发明授权
    • Method and apparatus for moderating interference while effecting impulse radio wireless control of equipment
    • 在进行设备的脉冲无线电无线控制的同时缓和干扰的方法和装置
    • US06571089B1
    • 2003-05-27
    • US09586163
    • 2000-06-02
    • James L. RichardsLarry W. FullertonIvan A. Cowie
    • James L. RichardsLarry W. FullertonIvan A. Cowie
    • H04Q720
    • H04W52/362H04B1/7163H04B1/7183H04B2001/6908H04W52/20H04W52/24H04W52/241H04W52/367
    • A method and apparatus for moderating interference with impulse radio wireless control of an appliance; the control is effected by a controller remote from the appliance transmitting impulse radio digital control signals to the appliance. The control signals have a transmission power and a data rate. The method comprises the steps of: (a) in no particular order: (1) establishing a maximum acceptable noise value for a parameter relating to interfering signals; (2) establishing a frequency range for measuring the interfering signals; (b) measuring the parameter for the interference signals within the frequency range; and (c) when the parameter exceeds the maximum acceptable noise value, effecting an alteration of transmission of the control signals. The apparatus is for moderating interference with impulse radio wireless control of an appliance; the control being effected by a controller remote from the appliance, the controller transmitting impulse radio digital control signals to the appliance; the control signals having a transmission power and a data rate; the apparatus comprising: a threshold unit for establishing a maximum acceptable noise value for a parameter relating to interfering signals in a predetermined frequency range; and a measuring unit for measuring the parameter for the interference signals within the frequency range; and a transmission control unit for effecting alteration of the transmission of the control signals when the parameter exceeds the maximum acceptable noise value.
    • 一种调节对设备的脉冲无线电无线控制的干扰的方法和装置; 该控制由远程设备的控制器实现,该设备向设备传送脉冲无线电数字控制信号。 控制信号具有发送功率和数据速率。 该方法包括以下步骤:(a)无特别顺序:(1)建立与干扰信号有关的参数的最大可接受噪声值; (2)建立测量干扰信号的频率范围; (b)测量频率范围内干扰信号的参数; 和(c)当该参数超过最大可接受的噪声值时,进行控制信号的传输的改变。 该装置用于缓和对设备的脉冲无线电无线控制的干扰; 所述控制由远离所述器具的控制器进行,所述控制器向所述器具发送脉冲无线电数字控制信号; 所述控制信号具有发送功率和数据速率; 所述装置包括:阈值单元,用于为与预定频率范围内的干扰信号相关的参数建立最大可接受噪声值; 以及测量单元,用于测量频率范围内的干扰信号的参数; 以及发送控制单元,用于当参数超过最大可接受噪声值时,改变控制信号的发送。
    • 100. 发明申请
    • System and method for position determination by impulse radio
    • 脉冲无线电定位系统及方法
    • US20080136709A1
    • 2008-06-12
    • US11979195
    • 2007-10-31
    • Larry W. FullertonJames L. RichardsIvan A. Cowie
    • Larry W. FullertonJames L. RichardsIvan A. Cowie
    • G01S1/24
    • H04B1/7183G01S13/42G01S13/76H04B2001/6908
    • A system and a method for position determination by impulse radio using a first transceiver having a first clock providing a first reference signal and a second transceiver placed spaced from the first transceiver. The system determines the position of the second transceiver. The second transceiver has a second clock that provides a second reference signal. A first sequence of pulses are transmitted from the first transceiver. The first sequence of pulses are then received at the second transceiver and the second transceiver is then synchronized with the first sequence of pulses. A second sequence of pulses are transmitted from the second transceiver. The first transceiver receives the second sequence of pulses and the first transceiver is synchronized with the second sequence of pulses. A delayed first reference signal is generated in response to the synchronization with the second sequence of pulses. A time difference between the delayed first reference signal and the first reference signal is then measured. The time difference indicates a total time of flight of the first and second sequence of pulses. The distance between the first and the second transceiver is determined from the time difference. The direction of the second transceiver from the first transceiver is determined using a directional antenna. Finally, the position of the second transceiver is determined using the distance and the direction.
    • 一种利用具有提供第一参考信号的第一时钟和与第一收发器间隔开的第二收发器的第一收发器的脉冲无线电定位的系统和方法。 该系统确定第二收发器的位置。 第二收发器具有提供第二参考信号的第二时钟。 从第一收发器发送第一脉冲序列。 然后在第二收发器处接收第一脉冲序列,然后第二收发器与第一脉冲序列同步。 从第二收发器发送第二脉冲序列。 第一收发器接收第二脉冲序列,并且第一收发器与第二脉冲序列同步。 响应于与第二脉冲序列的同步而产生延迟的第一参考信号。 然后测量延迟的第一参考信号和第一参考信号之间的时间差。 时间差表示第一和第二脉冲序列的总飞行时间。 从时差确定第一和第二收发器之间的距离。 使用定向天线确定来自第一收发器的第二收发器的方向。 最后,使用距离和方向来确定第二收发器的位置。