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    • 3. 发明授权
    • Communication systems w/counter-based frequency centering for mm-wave frequency bands
    • 通信系统与基于毫米波频段的基于反向的频率对中
    • US07915935B1
    • 2011-03-29
    • US12618109
    • 2009-11-13
    • Gaurav MenonNitin JainFnu Rajanish
    • Gaurav MenonNitin JainFnu Rajanish
    • H03L7/06
    • H03L7/18H03L7/00
    • A low-cost and power-efficient communication system using digital frequency centering techniques suitable for millimeter-wave wide-bandwidth bands with mostly digital components. Significant circuitry in the frequency source can be switched-off, thus conserving power. With the use of non-coherent detection, power consumption can be further reduced as higher phase noise and lower frequency accuracy can be tolerated. In the first embodiment frequency centering is achieved with a multiple-state system which compares a frequency dependent unique state to a programmed or hardwired desired state. In an alternative embodiment this multiple-state system is implemented by means of a microcontroller through either software or hardware.
    • 使用数字频率对中技术的低成本和功率高效的通信系统,适用于大多数数字组件的毫米波宽带宽频带。 频率源中的重要电路可以关闭,从而节省电力。 通过使用非相干检测,可以进一步降低功耗,因为可以容忍较高的相位噪声和较低的频率精度。 在第一实施例中,使用将频率依赖的唯一状态与编程的或硬接线的期望状态进行比较的多状态系统来实现频率对中。 在替代实施例中,该多状态系统通过软件或硬件通过微控制器来实现。