专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08374512B2 Frequency offset monitoring device and optical coherent receiver 有权
公开(公告)号：US08374512B2
公开(公告)日：2013-02-12
申请号：US12219938
申请日：2008-07-30
申请人： Zhenning Tao , Huijian Zhang , Takeshi Hoshida , Lei Li
发明人： Zhenning Tao , Huijian Zhang , Takeshi Hoshida , Lei Li
IPC分类号： H04B10/06 , H04B10/08
CPC分类号： H04B10/6164 , H04B10/61 , H04B10/613 , H04B10/63
摘要： The present invention provides a frequency offset monitoring device and an optical coherent receiver. A low speed frequency offset monitoring device comprises a signal speed lowering section, for lowering the speed of an inputted signal and outputting the speed lowered signal, and a frequency offset monitor, for monitoring frequency offset of the speed lowered signal outputted by the signal speed lowering section.

2. 发明授权

US08886056B2 Apparatus for self-phase modulation noise calculation, apparatus for self-phase modulation noise elimination and optical coherent receiver 有权
标题翻译：用于自相位调制噪声计算的装置，用于自相位调制噪声消除的装置和光学相干接收机
公开(公告)号：US08886056B2
公开(公告)日：2014-11-11
申请号：US13221312
申请日：2011-08-30
申请人： Lei Li , Zhenning Tao , Takeshi Hoshida
发明人： Lei Li , Zhenning Tao , Takeshi Hoshida
IPC分类号： H04B10/00 , H04B10/255 , H04B10/61 , H04B10/079
CPC分类号： H04B10/0795 , H04B10/255 , H04B10/6163
摘要： The present invention provides apparatus for self-phase modulation noise calculation, apparatus for self-phase modulation noise elimination and optical coherent receiver. The apparatus for calculation comprises: a signal receiver to receive an input signal; a calculator connected to the signal receiver to calculate a self-phase modulation noise at the current instant by using the signal powers of an input signal waveform at the current instant and at several sampling instants adjacent to the current instant. The embodiments of the present invention calculates the self-phase modulation noise at a certain instant by using the signal powers at a plurality of digital sampling periods before and after this instant, and when the apparatus is used to calculate the self-phase modulation noise of each of the sub-spans in an optical fiber transmission link, in case that the calculation precision is ensured, the granularity of the sub-spans may be reduced, thereby lowering the complexity of the calculation.
摘要翻译：本发明提供了用于自相位调制噪声计算的装置，用于自相位调制噪声消除的装置和光学相干接收机。该计算装置包括：接收输入信号的信号接收器; 连接到信号接收器的计算器，通过使用当前时刻的输入信号波形的信号功率和与当前时刻相邻的几个采样时刻来计算当前时刻的自相位调制噪声。本发明的实施例通过在该时刻之前和之后的多个数字采样周期中使用信号功率来计算某一时刻的自相位调制噪声，并且当该装置用于计算自相位调制噪声的自相位调制噪声在光纤传输链路中的每个子跨度，在确保计算精度的情况下，可能减小子跨度的粒度，从而降低计算的复杂度。

3. 发明申请

US20090080906A1 Frequency offset monitoring device and optical coherent receiver 有权
标题翻译：频偏监测装置和光相干接收机
公开(公告)号：US20090080906A1
公开(公告)日：2009-03-26
申请号：US12219938
申请日：2008-07-30
申请人： Zhenning Tao , Huijian Zhang , Takeshi Hoshida , Lei Li
发明人： Zhenning Tao , Huijian Zhang , Takeshi Hoshida , Lei Li
IPC分类号： H04B10/06 , H04B10/08
CPC分类号： H04B10/6164 , H04B10/61 , H04B10/613 , H04B10/63
摘要： The present invention provides a frequency offset monitoring device and an optical coherent receiver. A low speed frequency offset monitoring device comprises a signal speed lowering section, for lowering the speed of an inputted signal and outputting the speed lowered signal, and a frequency offset monitor, for monitoring frequency offset of the speed lowered signal outputted by the signal speed lowering section.
摘要翻译：本发明提供一种频偏监测装置和光相干接收机。低速频率偏移监视装置包括信号降低部分，用于降低输入信号的速度并输出降速信号;以及频率偏移监视器，用于监视由信号速度降低输出的降速信号的频率偏移部分。

4. 发明授权

US08935115B2 Method and apparatus for compensating nonlinear damage 有权
标题翻译：补偿非线性损伤的方法和装置
公开(公告)号：US08935115B2
公开(公告)日：2015-01-13
申请号：US13412176
申请日：2012-03-05
申请人： Weizhen Yan , Zhenning Tao , Takeshi Hoshida
发明人： Weizhen Yan , Zhenning Tao , Takeshi Hoshida
IPC分类号： G06F19/00 , H04B10/255 , H04B10/69
CPC分类号： H04B10/255 , H04B10/6971
摘要： A method and apparatus for compensating nonlinear damage are disclosed. The method for compensating nonlinear damage, including: determining an additive parameter indicating an amount of nonlinear damage based on a plurality of sampled signal sets among which a sampling time of an input signal varies according to different time; and subtracting the additive parameter from the input signal.
摘要翻译：公开了一种用于补偿非线性损伤的方法和装置。一种用于补偿非线性损伤的方法，包括：基于多个采样信号集确定表示非线性损伤量的附加参数，其中输入信号的采样时间根据不同的时间而变化; 并从输入信号中减去加法参数。

5. 发明申请

US20130230313A1 METHOD AND APPARATUS FOR COMPENSATING NONLINEAR DAMAGE 有权
标题翻译：用于补偿非线性损伤的方法和装置
公开(公告)号：US20130230313A1
公开(公告)日：2013-09-05
申请号：US13412096
申请日：2012-03-05
申请人： Weizhen YAN , Zhenning Tao , Takeshi Hoshida
发明人： Weizhen YAN , Zhenning Tao , Takeshi Hoshida
IPC分类号： H04B10/18
CPC分类号： H04L25/0202 , H04B10/6971
摘要： The embodiments relate to a method and an apparatus for compensating nonlinear damage. The method and apparatus being used in a dual-polarization communication system, the method comprising: calculating, according to input time-domain signals, a plurality of multiplicative parameters indicative of nonlinear damages to the input signals; constructing a plurality of multiplicators by using the plurality of multiplicative parameters; and compensating the input time-domain signals by using the plurality of multiplicators.
摘要翻译：实施例涉及用于补偿非线性损伤的方法和装置。所述方法和装置用于双极化通信系统中，所述方法包括：根据输入的时域信号，计算指示对所述输入信号的非线性损伤的多个乘法参数; 通过使用所述多个乘法参数构造多个乘法器; 以及通过使用所述多个乘法器来补偿所述输入时域信号。

6. 发明申请

US20120290244A1 METHOD AND APPARATUS FOR COMPENSATING NONLINEAR DAMAGE 有权
标题翻译：用于补偿非线性损伤的方法和装置
公开(公告)号：US20120290244A1
公开(公告)日：2012-11-15
申请号：US13412176
申请日：2012-03-05
申请人： Weizhen YAN , Zhenning Tao , Takeshi Hoshida
发明人： Weizhen YAN , Zhenning Tao , Takeshi Hoshida
IPC分类号： G01D18/00 , G06F19/00
CPC分类号： H04B10/255 , H04B10/6971
摘要： A method and apparatus for compensating nonlinear damage are disclosed. The method for compensating nonlinear damage, including: determining an additive parameter indicating an amount of nonlinear damage based on a plurality of sampled signal sets among which a sampling time of an input signal varies according to different time; and subtracting the additive parameter from the input signal.
摘要翻译：公开了一种用于补偿非线性损伤的方法和装置。一种用于补偿非线性损伤的方法，包括：基于多个采样信号集确定表示非线性损伤量的附加参数，其中输入信号的采样时间根据不同的时间而变化; 并从输入信号中减去加法参数。

7. 发明授权

US09219622B2 Method and apparatus for compensating nonlinear damage 有权
标题翻译：补偿非线性损伤的方法和装置
公开(公告)号：US09219622B2
公开(公告)日：2015-12-22
申请号：US13412096
申请日：2012-03-05
申请人： Weizhen Yan , Zhenning Tao , Takeshi Hoshida
发明人： Weizhen Yan , Zhenning Tao , Takeshi Hoshida
IPC分类号： H04B10/18 , H04L25/02 , H04B10/69
CPC分类号： H04L25/0202 , H04B10/6971
摘要： The embodiments relate to a method and an apparatus for compensating nonlinear damage. The method and apparatus being used in a dual-polarization communication system, the method comprising: calculating, according to input time-domain signals, a plurality of multiplicative parameters indicative of nonlinear damages to the input signals; constructing a plurality of multiplicators by using the plurality of multiplicative parameters; and compensating the input time-domain signals by using the plurality of multiplicators.
摘要翻译：实施例涉及用于补偿非线性损伤的方法和装置。所述方法和装置用于双极化通信系统中，所述方法包括：根据输入的时域信号，计算指示对所述输入信号的非线性损伤的多个乘法参数; 通过使用所述多个乘法参数构造多个乘法器; 以及通过使用所述多个乘法器来补偿所述输入时域信号。

8. 发明授权

US08655195B2 Average length magnitude detecting apparatus, and method 有权
标题翻译：平均长度检测装置及方法
公开(公告)号：US08655195B2
公开(公告)日：2014-02-18
申请号：US13242732
申请日：2011-09-23
申请人： Weizhen Yan , Zhenning Tao , Lei Li
发明人： Weizhen Yan , Zhenning Tao , Lei Li
IPC分类号： H04B10/00
CPC分类号： H04B10/6162
摘要： The present invention relates to an average length magnitude detecting apparatus and method, and an optical coherent receiver. The average length magnitude detecting method is adopted for detecting whether an average length of an averager used by a polarization crosstalk canceling apparatus in a receiver is long or short, comprising: determining a magnitude of a residual polarization crosstalk coefficient of the receiver; and determining an index that indicates whether the average length of the averager is long or short according to the determined magnitude of the residual polarization crosstalk coefficient.
摘要翻译：本发明涉及平均长度幅度检测装置和方法以及光学相干接收机。采用平均长度幅度检测方法，用于检测接收机中由偏振串扰消除装置使用的平均长度是长或短，包括：确定接收机的残余极化串扰系数的大小; 以及根据确定的剩余极化串扰系数的大小，确定指示平均器的平均长度是长还是短的指标。

9. 发明授权

US08514922B2 Filter coefficient control apparatus and method 有权
标题翻译：滤波系数控制装置及方法
公开(公告)号：US08514922B2
公开(公告)日：2013-08-20
申请号：US12835214
申请日：2010-07-13
申请人： Lei Li , Zhenning Tao , Ling Liu , Shoichiro Oda
发明人： Lei Li , Zhenning Tao , Ling Liu , Shoichiro Oda
IPC分类号： H03H7/30
CPC分类号： H04B10/6165 , H04B10/61
摘要： This invention relates to an apparatus and a method for controlling a filter coefficient. The filter coefficient control apparatus controls a coefficient of a filter of a phase recovering apparatus, and comprises a phase offset obtaining means, for obtaining a phase offset between a carrier and a local oscillation; an autocorrelation calculating means, for calculating an autocorrelation and related statistics of the phase offset; and a filter coefficient determining means, for determining the coefficient of the filter in accordance with the autocorrelation and related statistics.
摘要翻译：本发明涉及一种用于控制滤波器系数的装置和方法。滤波器系数控制装置控制相位恢复装置的滤波器的系数，并且包括用于获得载波和本地振荡之间的相位偏移的相位偏移获取装置; 自相关计算装置，用于计算相位偏移的自相关和相关统计; 以及滤波器系数确定装置，用于根据自相关和相关统计确定滤波器的系数。

10. 发明申请

US20120269247A1 MULTI-STAGE PHASE ESTIMATION METHOD AND APPARATUS 有权
标题翻译：多阶段相位估计方法和装置
公开(公告)号：US20120269247A1
公开(公告)日：2012-10-25
申请号：US13446690
申请日：2012-04-13
申请人： Jianqiang Li , Zhenning Tao , Lei Li
发明人： Jianqiang Li , Zhenning Tao , Lei Li
IPC分类号： H04B17/00
CPC分类号： H04L27/0014
摘要： The embodiments provide a multi-stage phase estimation method and apparatus. The apparatus i a multi-stage phase estimation configuration. Each stage of the phase estimation configuration includes metric computation modules. Each of the metric computation modules computing a distance metric and search phase angles according to an input signal and an initial search phase angle or a search phase angle of the former stage phase estimation configuration. The number of the metric computation modules is equal to that of the search phase angles of this stage. A selection module selects the search phase angle corresponding to the minimal distance metric as the phase estimation result output of this stage according to the computation results of all metric computation modules. The average time window length of the former stage phase estimation configuration is larger than that of the subsequent stage phase estimation configuration.
摘要翻译：实施例提供了多级相位估计方法和装置。该装置是多级相位估计配置。相位估计配置的每个阶段包括度量计算模块。每个度量计算模块根据前一级相位估计配置的输入信号和初始搜索相位角或搜索相位角计算距离度量和搜索相位角。度量计算模块的数量等于该阶段的搜索相位角的数量。选择模块根据所有度量计算模块的计算结果，选择与最小距离度量对应的搜索相位角作为该阶段的相位估计结果输出。前级相位估计配置的平均时间窗长度大于后级相位估计配置的平均时间窗长度。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式