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    • 4. 发明授权
    • Method and system for cross-protocol time synchronization
    • 交叉协议时间同步的方法和系统
    • US08806044B2
    • 2014-08-12
    • US13305921
    • 2011-11-29
    • Curtis LingTimothy Gallagher
    • Curtis LingTimothy Gallagher
    • G06F15/16
    • H04J3/0638H04J3/0644H04L12/4625H04L69/28
    • Methods and systems for cross-protocol time synchronization may comprise, for example in a premises-based network, receiving a signal that conforms to a first communications protocol (e.g., a general-purpose communications protocol), extracting a global time of day (GTOD) clock from the received signal; and synchronizing communication on the premises-based network in accordance with a second communication protocol, based at least in part on the extracted GTOD clock. The first communications protocol may comprise data over cable service interface specification (DOCSIS) or any protocol that provides a GTOD. The second communication protocol may comprise a multimedia over cable alliance (MoCA) standard, an IEEE 802.11x standard, or any non-public wireless network protocol. The GTOD clock may comprise a GPS clock, a GLONASS clock, and/or a Galileo clock. One or more of the networked devices may comprise a network controller, where the network controller comprises wireless network and wired network capability.
    • 用于交叉协议时间同步的方法和系统可以包括例如在基于房舍的网络中,接收符合第一通信协议(例如,通用通信协议)的信号,提取全球时间(GTOD )时钟; 以及至少部分地基于所提取的GTOD时钟,根据第二通信协议在基于场所的网络上同步通信。 第一通信协议可以包括通过电缆服务接口规范(DOCSIS)的数据或提供GTOD的任何协议。 第二通信协议可以包括多媒体跨线联盟(MoCA)标准,IEEE 802.11x标准或任何非公共无线网络协议。 GTOD时钟可以包括GPS时钟,GLONASS时钟和/或伽利略时钟。 一个或多个联网设备可以包括网络控制器,其中网络控制器包括无线网络和有线网络能力。
    • 5. 发明授权
    • Method and system for broadband analog to digital converter technology
    • 宽带模数转换技术的方法与系统
    • US08599050B2
    • 2013-12-03
    • US13345063
    • 2012-01-06
    • Mansour RachidTimothy GallagherCurtis Ling
    • Mansour RachidTimothy GallagherCurtis Ling
    • H03M1/06
    • H03M1/1038H03M1/12
    • Nonlinearity correction in a device that performs analog-to-digital conversion on received analog signals, may be calibrated by generating correction-parameters estimation which when applied to the total spectral content reduces distortion resulting from said nonlinearity in originally-unoccupied spectral regions. Digital signals generated based on sampling of the received analog signals may then be corrected, to remove nonlinearity related distortion, based on the estimated correction-parameters. The nonlinearity calibration may be performed during reception and handling of said analog signals. The correction-parameters may be generated based on signals located in particular spectral regions, such as the originally-unoccupied spectral regions. These signals may be injected within the device, into the particular spectral regions, and the signal may have known characteristics to enable estimating the required correction.
    • 在对接收到的模拟信号执行模数转换的装置中的非线性校正可以通过产生校正参数估计进行校准,校正参数估计当应用于总光谱内容时减少由原始未被占用的光谱区域中的所述非线性引起的失真。 然后可以基于所估计的校正参数来校正基于接收到的模拟信号的采样产生的数字信号以去除非线性相关的失真。 可以在接收和处理所述模拟信号期间执行非线性校准。 校正参数可以基于位于特定光谱区域(例如原始未被占用的光谱区域)的信号产生。 这些信号可以在设备内注入到特定的光谱区域中,并且该信号可以具有已知的特性以使得能够估计所需的校正。