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    • 4. 发明申请
    • FTTH RF over Glass (RFoG) Architecture and CPE
    • FTTH RF over Glass(RFoG)架构和CPE
    • US20100150557A1
    • 2010-06-17
    • US12587893
    • 2009-10-13
    • Sudhesh MysoreCharles BarkerOleh SniezkoKrzysztof Pradzynski
    • Sudhesh MysoreCharles BarkerOleh SniezkoKrzysztof Pradzynski
    • H04J14/00H04B10/00
    • H04J14/0282H04H60/97H04J14/0226H04J14/0232H04J14/0247H04J14/0252H04J14/0298H04N7/22H04Q11/0067
    • Methods and apparatus are described for fiber-to-the-home (FTTH) RF over Glass (RFoG) Architecture and customer-premise-equipment (CPE). A method includes up-converting a baseband upstream data signal to a frequency band above a frequency band of a baseband downstream data signal; combining the up-converted upstream data signal with an upstream cable return; transmitting the up-converted upstream data signal and the upstream cable return using a single upstream laser; separating the frequency up-converted data signal from the upstream cable return using an RF diplexer; and down-converting the frequency up-converted upstream data signal back to baseband. An apparatus comprises: a frequency up-converter that up-converts a baseband upstream data signal to a frequency band above a frequency band of a baseband downstream data signal; a frequency combiner coupled to the frequency up-converter that combines the up-converted upstream data signal with an upstream cable return; a single upstream laser coupled to the frequency combiner that transmits the up-converted upstream data signal and the upstream cable return; an RF diplexer coupled to the single upstream laser that separats the frequency up-converted data signal from the upstream cable return; and a frequency down-converter that down-converts the frequency up-converted upstream data signal back to baseband.
    • 描述了光纤到户(FTTH)RF over Glass(RFoG)架构和客户端设备(CPE)的方法和设备。 一种方法包括将基带上行数据信号上变频到基带下行数据信号的频带以上的频带; 将上变换的上行数据信号与上游电缆返回组合; 使用单个上游激光传输上变频上行数据信号和上游电缆返回; 使用RF双工器将来自上游电缆返回的上变频数据信号分离; 并将上变频的上行数据信号下变频到基带。 一种装置包括:上变频器,其将基带上行数据信号上变频到基带下行数据信号的频带以上的频带; 耦合到上变频器的频率合成器,其将上变换的上行数据信号与上游电缆返回组合; 耦合到频率合成器的单个上游激光器,其传输上变频的上行数据信号和上游电缆返回; 耦合到单个上游激光器的RF双工器,其将上变频数据信号与上游电缆返回分离; 以及将上变频的上行数据信号下转换回基带的下变频器。