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    • 10. 发明授权
    • Method and device for deterministic timing acquiring and tracking
    • 用于确定性定时获取和跟踪的方法和装置
    • US08665929B1
    • 2014-03-04
    • US13106114
    • 2011-05-12
    • Eyran LidaGaby Gur Cohen
    • Eyran LidaGaby Gur Cohen
    • H04B1/38
    • H04L7/06H04J3/0641H04J3/0697H04L7/0062H04L7/0079H04L7/0091H04L25/03057
    • Assuring acquisition of symbol timing in a full-duplex data transceiver under inter-symbol interference conditions. One embodiment includes a transmitter comprising a first local clock having a first free running frequency, and a receiver comprising a second local clock having a second frequency initially set to a value higher than the first free running frequency. A first type decision-directed timing recovery mechanism is intentionally limited to only decreasing the frequency of the second local clock. A second type decision-directed timing recovery mechanism is not limited to only decreasing the frequency. The receiver receives symbols, decrease the frequency of the second local clock to a third frequency value using the first type decision-directed timing recovery mechanism, disables the first type mechanism after reaching the third frequency, and then phase-lock the second local clock to the optimal phase under MMSE criteria using the second type decision-directed timing recovery mechanism.
    • 确保在符号间干扰条件下在全双工数据收发器中获取符号定时。 一个实施例包括发射机,其包括具有第一自由运行频率的第一本地时钟,以及包括具有初始设置为高于第一自由运行频率的值的第二频率的第二本地时钟的接收机。 第一类型的决策定时恢复机制被有意地限于仅减少第二本地时钟的频率。 第二类型的决策定时恢复机制不限于仅降低频率。 接收机接收符号,使用第一类型的决策定时恢复机制将第二本地时钟的频率降低到第三频率值,在达到第三频率之后禁用第一类型机制,然后将第二本地时钟相位锁定到 在MMSE标准下使用第二类型决策定时恢复机制的最佳阶段。