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    • 2. 发明授权
    • Techniques for efficient carrier recovery for passband communciation systems
    • 用于通带通信系统的高效载波恢复技术
    • US08649750B2
    • 2014-02-11
    • US12241981
    • 2008-09-30
    • Maxim GreenbergMenashe Soffer
    • Maxim GreenbergMenashe Soffer
    • H04B17/00
    • H01Q3/26H04B7/0682
    • A method, apparatus, and article containing computer instructions are described. In an embodiment an apparatus includes a radio-frequency receiver to receive a training packet. The receiver may include a processor. The processor may include modules for performing carrier recovery. A coarse estimator module may derive a coarse frequency offset from the training packet; and a fine estimator module may derive a fine frequency offset from the training packet substantially simultaneously and in parallel with the coarse estimator module. A carrier recovery module may perform carrier recovery using the fine and coarse frequency offsets.
    • 描述包含计算机指令的方法,装置和物品。 在一个实施例中,装置包括用于接收训练分组的射频接收机。 接收机可以包括处理器。 处理器可以包括用于执行载波恢复的模块。 粗略估计器模块可以从训练分组导出粗略的频率偏移; 并且精细估计器模块可以基本上同时且与粗估计模块并行地从训练分组导出精细的频率偏移。 载波恢复模块可以使用精细和粗略的频率偏移来执行载波恢复。