Pulse-Sync Demodulator
    24.
    发明申请
    Pulse-Sync Demodulator 有权
    脉冲同步解调器

    公开(公告)号:US20100246660A1

    公开(公告)日:2010-09-30

    申请号:US12374737

    申请日:2007-07-27

    Abstract: A received pulse signal based on an on-off keying modulation scheme is alternately sampled by AD conversion sections operated by a clock signal whose frequency is one-half of a transmission rate. In the synchronization, amounts of delay in sampling timing adjustment sections are made different from each other, whereby phases of two different points in a symbol pulse are sampled. An amount of delay in a variable delay section is adjusted in accordance with a result of comparison of the sampled values, thereby achieving synchronization. At the time of demodulation, the amount of delay in the variable delay section is held, and the amounts of delay in the sampling timing adjustment sections are switched to the same value, and the symbol pulse is alternately sampled. The sampled values are subjected to threshold value determination, and the determination result is subjected to parallel-to-serial conversion, whereby a demodulation output is acquired.

    Abstract translation: 基于开关键控调制方式的接收脉冲信号由频率为传输速率的二分之一的时钟信号操作的AD转换部分交替采样。 在同步中,采样定时调整部分中的延迟量彼此不同,从而对符号脉冲中两个不同点的相位进行采样。 根据采样值的比较结果调整可变延迟部分的延迟量,从而实现同步。 在解调时,保持可变延迟部分中的延迟量,并将采样定时调整部分中的延迟量切换到相同的值,并且对符号脉冲进行交替采样。 对采样值进行阈值判定,对判定结果进行并行到串行转换,从而得到解调输出。

    PULSE TRANSMITTING DEVICE, PULSE RECEIVING DEVICE, PULSE COMMUNICATION SYSTEM, AND PULSE COMMUNICATION METHOD
    25.
    发明申请
    PULSE TRANSMITTING DEVICE, PULSE RECEIVING DEVICE, PULSE COMMUNICATION SYSTEM, AND PULSE COMMUNICATION METHOD 审中-公开
    脉冲发射装置,脉冲接收装置,脉冲通信系统和脉冲通信方法

    公开(公告)号:US20100020864A1

    公开(公告)日:2010-01-28

    申请号:US12374994

    申请日:2007-07-12

    CPC classification number: H04L25/4906 H04B1/7172 H04B1/719 H04L25/4902

    Abstract: A pulse transmitting device is provided to avoid interference between pulses due to multipath influence even in a high speed pulse transmission that is typical of a UWB by making use of a relatively simple method and to improve receiving quality. In the device, a pulse adjusting unit (110) generates pulses in response to transmitting data, a non-use interval setting unit (120) sets up a non-use interval where the pulses generated by the pulse adjusting unit (110) are not transmitted on the basis of a delay time that a delayed pulse caused by the multipath delays from a main pulse and takes until arriving at a communication partner. A pulse position adjusting unit (130) adjusts a pulse position not to transmit the pulses during the non-use pulse interval. An RF transmitting unit (140) converts the pulse, the position of which is adjusted by the pulse position adjusting unit, to a wireless frequency band and transmits a pulse wireless signal after the conversion to the communication partner.

    Abstract translation: 提供脉冲发送装置,即使在UWB的典型的高速脉冲传输中,通过利用相对简单的方法并且提高接收质量,也可以避免由于多路径影响引起的脉冲之间的干扰。 在该装置中,脉冲调整单元(110)响应于发送数据产生脉冲,不使用间隔设定单元(120)设定由脉冲调整单元(110)生成的脉冲不是的非使用间隔 基于由主脉冲的多径延迟引起的延迟脉冲的延迟时间发送,并且直到到达通信伙伴。 脉冲位置调整单元(130)调整在不使用脉冲间隔期间不发送脉冲的脉冲位置。 RF发送单元(140)将其位置由脉冲位置调整单元调整的脉冲转换为无线频带,并且在转换到通信对方之后发送脉冲无线信号。

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