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    • 1. 发明申请
    • OPTICAL NETWORK UNIT, OPTICAL ACCESS NETWORK AND A METHOD FOR EXCHANGING INFORMATION
    • 光网络单元,光接入网和交换信息的方法
    • US20130216228A1
    • 2013-08-22
    • US13805344
    • 2011-06-22
    • Moshe NazarathyAmos AgmonDan M. Marom
    • Moshe NazarathyAmos AgmonDan M. Marom
    • H04J14/02
    • H04J14/0227H04B10/272H04J14/002H04J14/0239H04J14/0246H04J14/025H04J14/0282H04J14/06H04J2014/0253H04L5/0023H04L5/0048H04L27/2096H04L27/2613
    • An Optical Access Network, a Optical Network Unit (ONU) and various methods for exchanging information are provided. The method may include: receiving, by the ONU, a pilot signal and downstream information signals; wherein the pilot signal is received at a pilot frequency slot and the downstream information signals are received at a downstream information frequency slot; wherein the ONU is allocated with a spectral slice that comprises the pilot frequency slot, the downstream information frequency slot, a guard frequency slot and an upstream information frequency slot; wherein at least one other spectral slice is allocated for exchanging information with at least one other group of ONUs; splitting the downstream information signals to downstream information signals portions; splitting the pilot signals to pilot signals portions; detecting downstream information, in response to at least a first portion of downstream information signals; modulating a portion of the pilot signal by upstream information signals to provide upstream information signals that are within the upstream information frequency slot; modulating a second portion of the downstream information signals by the upstream information signals to provide upstream secondary signals that are outside the pilot frequency slot, the downstream information frequency slot and the upstream information frequency slot; and upstream transmitting the upstream information signals and the upstream secondary signals.
    • 提供光接入网络,光网络单元(ONU)和用于交换信息的各种方法。 该方法可以包括:由ONU接收导频信号和下行信息信号; 其中所述导频信号在导频时隙处被接收,并且所述下行信息信号在下行信息频率时隙处被接收; 其中所述ONU被分配有包括所述导频时隙,所述下行信息频率时隙,保护频率时隙和上行信息频率时隙的频谱切片; 其中至少一个其他频谱切片被分配用于与至少一个其他组的ONU交换信息; 将下行信息信号分解成下行信息信号部分; 将导频信号分解为导频信号部分; 响应于下游信息信号的至少第一部分检测下游信息; 通过上行信息信号调制导频信号的一部分,以提供位于上游信息频率槽内的上行信息信号; 通过上游信息信号调制下行信息信号的第二部分,以提供在导频时隙外的上游二级信号,下游信息频率隙和上行信息频率槽; 上游发送上行信息信号和上游二级信号。
    • 2. 发明授权
    • Optical network unit, optical access network and a method for exchanging information
    • 光网络单元,光接入网和交换信息的方法
    • US09008512B2
    • 2015-04-14
    • US13805344
    • 2011-06-22
    • Moshe NazarathyAmos AgmonDan M. Marom
    • Moshe NazarathyAmos AgmonDan M. Marom
    • H04J1/14H04J14/02H04B10/272H04J14/00H04J14/06H04L5/00H04L27/20H04L27/26
    • H04J14/0227H04B10/272H04J14/002H04J14/0239H04J14/0246H04J14/025H04J14/0282H04J14/06H04J2014/0253H04L5/0023H04L5/0048H04L27/2096H04L27/2613
    • An Optical Access Network, a Optical Network Unit (ONU) and various methods for exchanging information are provided. The method may include: receiving, by the ONU, a pilot signal and down-stream information signals; wherein the pilot signal is received at a pilot frequency slot and the downstream information signals are received at a downstream information frequency slot; wherein the ONU is allocated with a spectral slice that comprises the pilot frequency slot, the downstream information frequency slot, a guard frequency slot and an upstream information frequency slot; wherein at least one other spectral slice is allocated for exchanging information with at least one other group of ONUs; splitting the downstream information signals to downstream information signals portions; splitting the pilot signals to pilot signals portions; detecting downstream information, in response to at least a first portion of downstream information signals; modulating a portion of the pilot signal by upstream information signals to provide upstream information signals that are within the upstream information frequency slot; modulating a second portion of the downstream information signals by the upstream information signals to provide upstream secondary signals that are outside the pilot frequency slot, the downstream information frequency slot and the upstream information frequency slot; and upstream transmitting the upstream information signals and the upstream secondary signals.
    • 提供光接入网络,光网络单元(ONU)和用于交换信息的各种方法。 该方法可以包括:由ONU接收导频信号和下行流信息信号; 其中所述导频信号在导频时隙处被接收,并且所述下行信息信号在下行信息频率时隙处被接收; 其中所述ONU被分配有包括所述导频时隙,所述下行信息频率时隙,保护频率时隙和上行信息频率时隙的频谱切片; 其中至少一个其他频谱切片被分配用于与至少一个其他组的ONU交换信息; 将下行信息信号分解成下行信息信号部分; 将导频信号分解为导频信号部分; 响应于下游信息信号的至少第一部分检测下游信息; 通过上行信息信号调制导频信号的一部分,以提供位于上游信息频率槽内的上行信息信号; 通过上游信息信号调制下行信息信号的第二部分,以提供在导频时隙外的上游二级信号,下游信息频率隙和上行信息频率槽; 上游发送上行信息信号和上游二级信号。