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1.发明授权Method and system for pilot-based time domain phase noise mitigation for coherent receiver 有权用于相干接收机的基于导频的时域相位噪声抑制的方法和系统公开(公告)号：US08923457B2
公开(公告)日：2014-12-30
申请号：US13855168
申请日：2013-04-02
Applicant: NEC Laboratories America, Inc.
Inventor： Dayou Qian , Ting Wang
IPC: H04B10/2507 , H04L7/00 , H04L27/26 , H04L27/227 , H04L27/22 , H04B10/00 , H04B10/61 , H04L27/00
CPC classification number: H04L7/0079 , H04B10/6165 , H04B2210/075 , H04L27/223 , H04L27/2272 , H04L27/26 , H04L27/2657 , H04L27/2671 , H04L27/2675 , H04L27/2697 , H04L2027/0026
Abstract: A method for phase noise mitigation for a coherent receiver in either an OFDM or single carrier based transmission system including applying a frequency offset and coarse phase noise compensation based on a radio frequency RF tone or using a phase lock loop PLL m-th power procedure, responsive to a signal from a digital signal processed transmission with an added pilots signal over an optical system, applying fine phase noise compensation based on comparison of the pilots signal in a time domain, removing the pilots, and demodulating the remaining pilotless signal.
Abstract translation: 一种用于在基于OFDM或单载波的传输系统中的相干接收机的相位噪声减轻的方法，包括基于射频RF频调应用频偏和粗相位噪声补偿或使用锁相环PLL第m个功率过程， 响应来自具有在光学系统上添加的导频信号的数字信号处理的传输的信号，基于时域中的导频信号的比较，去除导频以及解调剩余的无引导信号来应用精细相位噪声补偿。
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2.发明授权Flexible remote node (RN) for dynamic traffic allocation in passive optical networking (PON) and mobile backhaul (MBH) applications 有权灵活的远程节点（RN），用于无源光网络（PON）和移动回程（MBH）应用中的动态流量分配公开(公告)号：US09252911B2
公开(公告)日：2016-02-02
申请号：US14254458
申请日：2014-04-16
Applicant: NEC Laboratories America, Inc.
Inventor： Ming-Fang Huang , Dayou Qian
CPC classification number: H04J14/0239 , H04B10/27 , H04J14/0282 , H04Q11/0067 , H04Q2011/0075
Abstract: A computer implemented method for dynamically allocating traffic in a passive optical communication system includes employing an individual wavelength channel to carry different data services from an individual transmitter, configuring an optical network unit into optical network unit groups serving at least two community of users; and providing a flexible remote node with wavelength routing flexibility including switching wavelength traffic from optical network user groups with low capacity requirements to optical network user groups with increased wavelength traffic requirements.
Abstract translation: 一种用于在无源光通信系统中动态分配业务的计算机实现方法包括采用单独的波长信道来承载来自各个发射机的不同数据业务，将光网络单元配置成服务于至少两个用户群的光网络单元组; 并提供具有波长路由灵活性的灵活的远程节点，包括将具有低容量要求的光网络用户组的波长业务切换到具有增加的波长业务需求的光网络用户组。
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3.发明申请公开(公告)号：US20140099128A1
公开(公告)日：2014-04-10
申请号：US14044518
申请日：2013-10-02
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： Eduardo F. Mateo , Fatih Yaman , Dayou Qian , Ting Wang
IPC: H04B10/61
CPC classification number: H04B10/6163
Abstract: An optical communication system includes a digital signal processer coupled to the coherent receiver, said coherent receiver including a nonlinearity compensation module for compensating for nonlinear effects in fiber in the optical link for increasing capacity or transmission distance of the fiber, the nonlinearity compensation module includes a spectral slicing of the signal into bands, computing nonlinear interaction between the bands with parameters opposite to those of the fiber to reverse the non-linear effects in the fiber, and only certain nonlinear interactions between bands are considered thereby reducing complexity of the nonlinearity compensation.
Abstract translation: 光通信系统包括耦合到相干接收机的数字信号处理器，所述相干接收机包括用于补偿光链路中的光纤中的非线性效应的非线性补偿模块，用于增加光纤的容量或传输距离，非线性补偿模块包括 将信号频谱切片成频带，计算具有与光纤相反参数的频带之间的非线性相互作用，以反转光纤中的非线性效应，并且仅考虑频带之间的某些非线性相互作用，从而降低非线性补偿的复杂性。
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4.发明授权公开(公告)号：US09184854B2
公开(公告)日：2015-11-10
申请号：US14044518
申请日：2013-10-02
Applicant: NEC Laboratories America, Inc.
Inventor： Eduardo F. Mateo , Fatih Yaman , Dayou Qian , Ting Wang
CPC classification number: H04B10/6163
Abstract: An optical communication system includes a digital signal processer coupled to the coherent receiver, said coherent receiver including a nonlinearity compensation module for compensating for nonlinear effects in fiber in the optical link for increasing capacity or transmission distance of the fiber, the nonlinearity compensation module includes a spectral slicing of the signal into bands, computing nonlinear interaction between the bands with parameters opposite to those of the fiber to reverse the non-linear effects in the fiber, and only certain nonlinear interactions between bands are considered thereby reducing complexity of the nonlinearity compensation.
Abstract translation: 光通信系统包括耦合到相干接收机的数字信号处理器，所述相干接收机包括用于补偿光链路中的光纤中的非线性效应的非线性补偿模块，用于增加光纤的容量或传输距离，非线性补偿模块包括 将信号频谱切片成频带，计算具有与光纤相反参数的频带之间的非线性相互作用，以反转光纤中的非线性效应，并且仅考虑频带之间的某些非线性相互作用，从而降低非线性补偿的复杂性。
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公开(公告)号：US20140269980A1
公开(公告)日：2014-09-18
申请号：US14205629
申请日：2014-03-12
Applicant: NEC Laboratories America, Inc.
Inventor： Dayou Qian , Eduardo Mateo Rodriquez , Ting Wang
IPC: H04B1/04
CPC classification number: H04B1/0483 , H04B10/516 , H04L25/14 , H04L27/2633 , H04L27/2636
Abstract: Disclosed are structures and methods for slicing a broadband signal into multiple, narrower bandwidth sub-bands through the use of a look-up table (LUT). An input broadband signal is first loaded by a pre-defined LUT. The LUT is designed with multiple parallel outputs, wherein each output is one individual sub-band.
Abstract translation: 公开了通过使用查找表（LUT）将宽带信号切割成多个较窄带宽子带的结构和方法。 输入宽带信号首先由预定义的LUT加载。 LUT设计有多个并行输出，其中每个输出是一个单独的子带。
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Patent Agency Ranking
6.发明授权Optical nyquist superchannel generation using microwave low-pass filtering and optical equalization 有权使用微波低通滤波和光学均衡的光学奈奎斯特超声波发生器公开(公告)号：US09270379B2
公开(公告)日：2016-02-23
申请号：US14218857
申请日：2014-03-18
Applicant: NEC Laboratories America, Inc.
Inventor： Yue-Kai Huang , Shaoliang Zhang , Fatih Yaman , Dayou Qian
IPC: H04J14/02 , H04B10/50 , H04B10/2507
CPC classification number: H04B10/506 , H04B10/25073 , H04J14/0298
Abstract: Disclosed are structures and methods for generating a Nyquist superchannel.
Abstract translation: 公开了用于产生奈奎斯特超声道的结构和方法。
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公开(公告)号：US09124326B2
公开(公告)日：2015-09-01
申请号：US14205629
申请日：2014-03-12
Applicant: NEC Laboratories America, Inc.
Inventor： Dayou Qian , Eduardo Mateo Rodriquez , Ting Wang
CPC classification number: H04B1/0483 , H04B10/516 , H04L25/14 , H04L27/2633 , H04L27/2636
Abstract: Disclosed are structures and methods for slicing a broadband signal into multiple, narrower bandwidth sub-bands through the use of a look-up table (LUT). An input broadband signal is first loaded by a pre-defined LUT. The LUT is designed with multiple parallel outputs, wherein each output is one individual sub-band.
Abstract translation: 公开了通过使用查找表（LUT）将宽带信号切割成多个较窄带宽子带的结构和方法。 输入宽带信号首先由预定义的LUT加载。 LUT设计有多个并行输出，其中每个输出是一个单独的子带。
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公开(公告)号：US09014568B2
公开(公告)日：2015-04-21
申请号：US13768487
申请日：2013-02-15
Applicant: NEC Laboratories America, Inc.
Inventor： Dayou Qian , Ting Wang
IPC: H04B10/00 , H04B10/04 , H04B10/06 , H04B10/27 , H04B10/61 , H04B10/50 , H04B10/40 , H04B10/272 , H04B10/516 , H04B10/2507 , H04B10/2513
CPC classification number: H04B10/27 , H04B10/2507 , H04B10/25137 , H04B10/272 , H04B10/40 , H04B10/50 , H04B10/516 , H04B10/61 , H04B10/613 , H04B10/616
Abstract: An optical access network with centralized digital optical line termination OLT including an optical line termination unit having a digital transmitter and a coherent receiver for downstream signal transmitting and upstream signal receiving, and at least one optical network unit ONU with transceiver functions for communicating with the OLT over an optical path, the ONU including intensity modulation and single photodiode detection, wherein the digital transmitter includes digital signal processing DSP, digital-to-analog conversion DAC and analog-to-digital conversion ADC functions that can be shared by all multiple ones of the ONU in the network, the DSP reducing or removing dispersion and non-linearity effects in the network and the coherent receiver enabling performance of the downstream stream signal transmitting to match that of the upstream signal receiving in the OLT.
Abstract translation: 具有集中数字光线路终端OLT的光接入网络，包括具有数字发射机的光线路终端单元和用于下行信号发射和上行信号接收的相干接收机，以及具有用于与OLT通信的收发机功能的至少一个光网络单元ONU 通过光路，ONU包括强度调制和单光电二极管检测，其中数字发射器包括数字信号处理DSP，数/模转换DAC和模数转换ADC功能，可由所有多个 在网络中的ONU，DSP减少或去除网络中的色散和非线性效应以及相干接收机，使下游流信号发送的性能能够匹配在OLT中接收的上行信号。
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9.发明申请Flexible Remote Node (RN) For Dynamic Traffic Allocation in Passive Optical Networking (PON) and Mobile Backhaul (MBH) Applications 有权灵活的远程节点（RN）用于无源光网络（PON）和移动回程（MBH）应用中的动态流量分配公开(公告)号：US20140314104A1
公开(公告)日：2014-10-23
申请号：US14254458
申请日：2014-04-16
Applicant: NEC Laboratories America, Inc.
Inventor： Ming-Fang Huang , Dayou Qian
CPC classification number: H04J14/0239 , H04B10/27 , H04J14/0282 , H04Q11/0067 , H04Q2011/0075
Abstract: A computer implemented method for dynamically allocating traffic in a passive optical communication system includes employing an individual wavelength channel to carry different data services from an individual transmitter, configuring an optical network unit into optical network unit groups serving at least two community of users; and providing a flexible remote node with wavelength routing flexibility including switching wavelength traffic from optical network user groups with low capacity requirements to optical network user groups with increased wavelength traffic requirements.
Abstract translation: 一种用于在无源光通信系统中动态分配业务的计算机实现方法包括采用单独的波长信道来承载来自各个发射机的不同数据业务，将光网络单元配置成服务于至少两个用户群的光网络单元组; 并提供具有波长路由灵活性的灵活的远程节点，包括将具有低容量要求的光网络用户组的波长业务切换到具有增加的波长业务需求的光网络用户组。
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10.发明申请Method and System for Pilot-Based Time Domain Phase Noise Mitigation for Coherent Receiver 有权用于相干接收机的基于导频的时域相位噪声减轻的方法和系统公开(公告)号：US20130259174A1
公开(公告)日：2013-10-03
申请号：US13855168
申请日：2013-04-02
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： Dayou Qian , Ting Wang
IPC: H04L7/00
CPC classification number: H04L7/0079 , H04B10/6165 , H04B2210/075 , H04L27/223 , H04L27/2272 , H04L27/26 , H04L27/2657 , H04L27/2671 , H04L27/2675 , H04L27/2697 , H04L2027/0026
Abstract: A method for phase noise mitigation for a coherent receiver in either an OFDM or single carrier based transmission system including applying a frequency offset and coarse phase noise compensation based on a radio frequency RF tone or using a phase lock loop PLL m-th power procedure, responsive to a signal from a digital signal processed transmission with an added pilots signal over an optical system, applying fine phase noise compensation based on comparison of the pilots signal in a time domain, removing the pilots, and demodulating the remaining pilotless signal.
Abstract translation: 一种用于在基于OFDM或单载波的传输系统中的相干接收机的相位噪声减轻的方法，包括基于射频RF频调应用频偏和粗相位噪声补偿或使用锁相环PLL第m个功率过程， 响应来自具有在光学系统上添加的导频信号的数字信号处理的传输的信号，基于时域中的导频信号的比较，去除导频以及解调剩余的无引导信号来应用精细相位噪声补偿。
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