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1. 发明申请

WO2008078147A1 SIGNAL PROCESSOR FOR COMPENSATING FOR OPTICAL FIBER CHROMATIC DISPERSION 审中-公开
标题翻译：用于补偿光纤色散的信号处理器
公开(公告)号：WO2008078147A1
公开(公告)日：2008-07-03
申请号：PCT/IB2006/004207
申请日：2006-12-23
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , GIORGI, Luca , CIARAMELLA, Ernesto , CAVALIERE, Fabio , FORESTIERI, Enrico , FORYSIAK, Wladek
发明人： GIORGI, Luca , CIARAMELLA, Ernesto , CAVALIERE, Fabio , FORESTIERI, Enrico , FORYSIAK, Wladek
IPC分类号： H04B10/18
CPC分类号： H04B10/505 , H04B10/25137 , H04B10/5055
摘要： A signal processor for compenstaing for optical fibre chromatic dispersion comprising encoding means (5) for encoding a source signal (2) received from a data source (6), splitting means (8) to separate the encoded signal (7) from the encoding means (5) into an in-phase component (10) and an in-quadrature component (11), a first filter means (12) adapted to receive the in-phase component (10) and a second filter means (13) adapted to receive the in-quadrature component (11), the first filter means (12) and second filter means (13) being adapted to filter the in-phase and in-quadrature components respectively. The outputs (14, 15) from the filter means form the input to the optical modulator means (3).
摘要翻译：一种用于光纤色散补偿的信号处理器，包括用于对从数据源（6）接收的源信号（2）进行编码的编码装置（5），将编码信号（7）与编码装置分离的分离装置（5）转换成同相分量（10）和正交分量（11），适于接收所述同相分量（10）的第一滤波器装置（12）和适于接收正交分量（11），第一滤波器装置（12）和第二滤波器装置（13）适于分别滤波同相和正交分量。来自滤波器装置的输出（14,15）形成到光调制器装置（3）的输入。

2. 发明申请

WO2011003481A1 IMPROVEMENTS IN REFLECTIVE OPTICAL NETWORKS 审中-公开
标题翻译：反射光网络的改进
公开(公告)号：WO2011003481A1
公开(公告)日：2011-01-13
申请号：PCT/EP2009/059480
申请日：2009-07-23
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , PRESI, Marco , CIARAMELLA, Ernesto , CHIUCHIARELLI, Andrea , PROIETTII, Roberto , CONTESTABILE, Giampiero , CHOUDHURY, Pallab , GIORGI, Luca , CAVALIERE, Fabio
发明人： PRESI, Marco , CIARAMELLA, Ernesto , CHIUCHIARELLI, Andrea , PROIETTII, Roberto , CONTESTABILE, Giampiero , CHOUDHURY, Pallab , GIORGI, Luca , CAVALIERE, Fabio
IPC分类号： H04B10/26
CPC分类号： H04B10/2587 , H04J14/0282 , H04J2014/0253
摘要： A reflective optical network (10) comprises an optical network unit (14) and an optical receiver (22). The optical network unit (14) comprises a reflective optical modulator (16) arranged to receive a seed optical signal, and a transmitter controller (18) arranged to receive a data signal (20) and to control the modulator (16) to apply the data signal (20) to the seed optical signal, to form an optical data signal. The transmitter controller (18) is arranged to process the data signal (20) to substantially prevent the optical data signal comprising spectral components at frequencies lower than a cut-off frequency, being the frequency at which a power spectral density of said optical data signal is lower than a peak power spectral density of said optical signal by a cut-off power value. The optical receiver (22) comprises an electrical domain high pass filter (26) having a cut-off frequency higher than a linewidth of the seed optical signal.
摘要翻译：反射光网络（10）包括光网络单元（14）和光接收器（22）。光网络单元（14）包括布置成接收种子光信号的反射光调制器（16）和布置成接收数据信号（20）并且控制调制器（16）应用数据信号（20）到种子光信号，以形成光数据信号。发射机控制器（18）被布置成处理数据信号（20）以基本上防止包括频率低于截止频率的频谱分量的光数据信号，其是所述光数据信号的功率谱密度通过截止功率值低于所述光信号的峰值功率谱密度。光接收器（22）包括具有高于种子光信号的线宽的截止频率的电域高通滤波器（26）。

3. 发明申请

WO2009059635A1 ALLOCATION OF TRANSMISSION POWER IN AN OPTICAL COMMUNICATION SYSTEM 审中-公开
标题翻译：光通信系统中传输功率的分配
公开(公告)号：WO2009059635A1
公开(公告)日：2009-05-14
申请号：PCT/EP2007/061930
申请日：2007-11-06
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , CIARAMELLA, Ernesto , CAVALIERE, Fabio , GAIMARI, Giancarlo , MATARAZZO, Emma , BRUGIONI, Stefano , GIORGI, Luca
发明人： CIARAMELLA, Ernesto , CAVALIERE, Fabio , GAIMARI, Giancarlo , MATARAZZO, Emma , BRUGIONI, Stefano , GIORGI, Luca
IPC分类号： H04J14/02
CPC分类号： H04B17/0042 , H04B17/309 , H04J14/0213 , H04J14/0221 , H04J14/0257 , H04J14/0267 , H04J14/0271 , H04J14/0275 , H04W52/322 , H04W52/327
摘要： Methods and apparatus for determining transmission power of a plurality of optical channels for transmission of the channels along respective paths obtained through an optical transmission system. Information is obtained indicative of the path of each channel through the optical transmission system, and each channel allocated to a group of channels in dependence upon the obtained information. A quality metric is determined for each group of channel, and a total transmission power for each group determined in dependence upon the determined quality metric.
摘要翻译：用于确定用于通过光传输系统获得的各个路径的信道传输的多个光信道的传输功率的方法和装置。获得指示通过光传输系统的每个信道的路径的信息，以及根据获得的信息分配给一组信道的每个信道。确定每个通道组的质量度量，以及根据确定的质量度量确定的每个组的总发射功率。

4. 发明申请

WO2011066858A1 IMPROVEMENTS IN OPTICAL NETWORKS 审中-公开
标题翻译：光网络的改进
公开(公告)号：WO2011066858A1
公开(公告)日：2011-06-09
申请号：PCT/EP2009/066310
申请日：2009-12-03
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , CAVALIERE, Fabio , GIORGI, Luca , GROSSO, Renato , CIARAMELLA, Ernesto
发明人： CAVALIERE, Fabio , GIORGI, Luca , GROSSO, Renato , CIARAMELLA, Ernesto
IPC分类号： H04J14/02 , H04B10/08
CPC分类号： H04J14/0227 , H04B10/071 , H04J14/0226 , H04J14/0246 , H04J14/025 , H04J14/0257 , H04J14/0265 , H04J14/0282
摘要： An optical network (1) comprising an optical network element (10) comprising a first optical transmitter (14), a first controller (16), a first optical receiver and a second optical receiver and a second optical network element (12). There is provided a transmission path (30) between said first optical network element and said second optical network element. Said first optical transmitter is arranged to generate and transmit a first optical signal. Said first controller is arranged to control said first optical transmitter to generate and transmit said first optical signal at a wavelength selected from a predetermined plurality of wavelengths. Said first optical receiver is arranged to detect a backscatter portion of said first optical signal returned to said first optical network element along said transmission path by distributing scattering.
摘要翻译：一种包括光网络元件（10）的光网络（1），包括第一光发射器（14），第一控制器（16），第一光接收器和第二光接收器以及第二光网络元件（12）。在所述第一光网络元件和所述第二光网络元件之间提供传输路径（30）。所述第一光发射器被布置成产生和发射第一光信号。所述第一控制器被布置为控制所述第一光发射机以从预定的多个波长选择的波长产生和发射所述第一光信号。所述第一光接收器被布置为通过分布散射来检测沿着所述传输路径返回到所述第一光网络元件的所述第一光信号的后向散射部分。

5. 发明申请

WO2011020503A1 IMPROVEMENTS IN OPTICAL NETWORKS 审中-公开
标题翻译：光网络的改进
公开(公告)号：WO2011020503A1
公开(公告)日：2011-02-24
申请号：PCT/EP2009/060738
申请日：2009-08-19
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , CAVALIERE, Fabio , GIORGI, Luca , GROSSO, Renato
发明人： CAVALIERE, Fabio , GIORGI, Luca , GROSSO, Renato
IPC分类号： H04J14/02
CPC分类号： H04B10/0773 , B01J6/002 , B01J19/20 , B01J19/28 , B01J2219/182 , B01J2219/187 , B01J2219/1943 , B65G33/22 , C10B7/10 , C10J3/00 , C10J3/005 , C10J2200/158 , C10J2300/0916 , C10J2300/092 , C10J2300/0956 , C10J2300/0966 , C10J2300/0969 , C10J2300/0986 , H04B10/272 , H04B2210/071 , H04J14/00 , H04J14/0221 , H04J14/0246 , H04J14/0257 , H04J14/0265 , H04J14/0267 , H04J14/0282 , H04Q11/0005 , H04Q2011/0016 , H04Q2011/0049 , H04Q2011/0083
摘要： An optical network (10) comprising an optical network element (12) comprising a first optical transmitter (14), a first controller (16), an optical receiver (18), a second optical transmitter (22), a second controller (24) and optical receiver apparatus (26). Said first controller is arranged to control said first optical transmitter to generate and transmit a first optical signal in response no second optical signal being detected. Said first controller is arranged to iteratively generate and transmit said first optical signal at different wavelengths of a plurality of wavelengths until said second optical signal is detected, and is further arranged to subsequently maintain generation and transmission of said first optical signal at said wavelength at which said second optical signal is detected. Said second controller is arranged to control said second optical transmitter to generate and transmit said second optical signal following detection of said first optical signal by said optical receiver apparatus.
摘要翻译：一种包括光网络元件（12）的光网络（10），包括第一光发射器（14），第一控制器（16），光接收器（18），第二光发射机（22），第二控制器）和光接收装置（26）。所述第一控制器被布置成控制所述第一光发射机以产生并发送第一光信号，以响应于不检测到第二光信号。所述第一控制器被布置为迭代地生成并发送在多个波长的不同波长处的所述第一光信号，直到检测到所述第二光信号，并且还被布置成随后在所述波长处保持所述第一光信号的产生和传输，检测所述第二光信号。所述第二控制器被布置成控制所述第二光发射机，以在由所述光接收机设备检测到所述第一光信号之后产生和传输所述第二光信号。

6. 发明申请

WO2009135533A1 FIBRE ACCESS NETWORK AND METHOD 审中-公开
标题翻译：光纤接入网络和方法
公开(公告)号：WO2009135533A1
公开(公告)日：2009-11-12
申请号：PCT/EP2008/055950
申请日：2008-05-15
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , GIORGI, Luca , GHIGGINO, Pierpaolo , CAVALIERE, Fabio
发明人： GIORGI, Luca , GHIGGINO, Pierpaolo , CAVALIERE, Fabio
IPC分类号： H04J14/02 , H04J3/16
CPC分类号： H04J14/0282
摘要： The present invention relates to optical fibre access networks such as passive optical networks and implementing wave division multiplexing using these networks. There is provided a fibre access network comprisinga passive optical networking optical line terminal (315) coupled to a first port of a first optical filter arrangement (320), a wavelength division multiplexing optical line terminal (305) coupled to a second port of the first optical filter arrangement (320), a fibre network (325, 350) coupled to a third port of the first optical filter arrangement (320), a passive optical networking power splitter (330) coupled to a first port of a second optical filter arrangement (340), the passive optical networking power splitter (330) also coupled to a number of passive optical networking optical network terminals (335),a wavelength division multiplexing splitter (345) coupled to a second port of the second optical filter arrangement (340), the wavelength division multiplexing splitter (345) also coupled to a number of wavelength division multiplexing optical network terminals (335), a third port of the second optical filter arrangement (340) coupled to the fibre network (325, 350), wherein the first and second optical filter arrangements are each arranged to block wavelength division multiplexing optical signals through their respective first ports and to block passive optical networking optical signals though their respective second ports.
摘要翻译：本发明涉及诸如无源光网络的光纤接入网络，并且使用这些网络实现波分复用。提供了一种光纤接入网络，包括耦合到第一光学滤波器装置（320）的第一端口的无源光网络光线路终端（315），波分复用光线路终端（305），耦合到第一端口滤光器装置（320），耦合到第一滤光器装置（320）的第三端口的光纤网络（325,350）;耦合到第二光学滤波器装置的第一端口的无源光网络功率分配器（330）（340），所述无源光网络功率分配器（330）还耦合到多个无源光网络光网络终端（335），波分复用分离器（345）耦合到所述第二光学滤波器装置（340）的第二端口），波分多路分路器（345）还耦合到多个波分复用光网络终端（335），第二光滤波器装置（340）的第三端口上升到光纤网络（325,350），其中第一和第二滤光器装置分别被布置成通过它们各自的第一端口阻挡波分复用光信号，并且通过它们各自的第二端口阻挡无源光网络光信号。

7. 发明申请

WO2013007277A1 OPTICAL ACCESS NETWORK 审中-公开
标题翻译：光接入网络
公开(公告)号：WO2013007277A1
公开(公告)日：2013-01-17
申请号：PCT/EP2011/061621
申请日：2011-07-08
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , CAVALIERE, Fabio , GIORGI, Luca , CIARAMELLA, Ernesto , PRESI, Marco
发明人： CAVALIERE, Fabio , GIORGI, Luca , CIARAMELLA, Ernesto , PRESI, Marco
IPC分类号： H04J14/02 , H04B10/26
CPC分类号： H04Q11/0067 , H04B10/272 , H04J14/02 , H04J14/0246 , H04J14/025 , H04J14/0282 , H04J2014/0253 , H04L27/0008 , H04Q2011/0016 , H04Q2011/0086
摘要： An optical access network (5) comprises an optical line terminal (10) and an optical network unit (20) having a transmitter (24). An optical path (11, 12, 14, 15) connects an output of the transmitter (24) of the optical network unit (20) to the optical line terminal (10). The transmitter (24) of the optical network unit (20) is arranged to transmit an upstream signal (40) with an amplitude modulation format having at least one level transition per data bit period for at least one of the logical bits and a frequency modulation occurring with the level transition. An optical filter (16, 18, 31, 34) is positioned in the optical path. A central wavelength of a response (51) of the optical filter (16, 18, 31, 34) has an offset (53) with respect to a wavelength (41) of the upstream signal (40). The wavelength (41) of the upstream signal (40) is located on a slope (54) of the response (51) of the optical filter.
摘要翻译：光接入网络（5）包括光线路终端（10）和具有发射机（24）的光网络单元（20）。光路（11,12,14,15）将光网络单元（20）的发射机（24）的输出与光线路终端（10）连接起来。光网络单元（20）的发射机（24）被布置成以对于至少一个逻辑比特和频率调制的每个数据比特周期具有至少一个电平转换的幅度调制格式来发送上行信号（40）发生与水平转换。光学滤光器（16,18,31,34）位于光路中。滤光器（16,18,31,34）的响应（51）的中心波长相对于上游信号（40）的波长（41）具有偏移（53）。上游信号（40）的波长（41）位于滤光器的响应（51）的斜率（54）上。

8. 发明申请

WO2006008321A1 CHANNEL POWER PRE-EMPHASIS IN WAVELENGTH DIVISION MULTIPLEX OPTICAL COMMUNICATION SYSTEMS 审中-公开
标题翻译：波长级多通道光通信系统中的信道功率预测
公开(公告)号：WO2006008321A1
公开(公告)日：2006-01-26
申请号：PCT/EP2005/053592
申请日：2005-07-22
申请人： MARCONI COMMUNICATIONS SPA , CIARAMELLA, Ernesto , CAVALIERE, Fabio , GIORGI, Luca
发明人： CIARAMELLA, Ernesto , CAVALIERE, Fabio , GIORGI, Luca
IPC分类号： H04J14/02
CPC分类号： H04J14/0221
摘要： An iterative method for power pre-emphasis of N optical channels in a Wavelengt h Division Multiplex (WDM) signal in an optical communication systems in accordance with which representative Xi characterist ics are defined for the channels with among the characteristics there being included at least one characteristic that is a function of the Bit Error Rate (BER). The method including the iterative phases of running through the WDM signal channels and appraising for each channel said characteristics for the channel and for the channels adjacent thereto; comparing said channel characteristics with the homologous characteristics of the adjacent channels and, based on the results of the comparisons, selecting a predetermined action to be performed on the power transmitted on the ith channel; for all the channels, performing on the power of each the corresponding selected action; calculating a metric quality function of all the channels with the new powers changed with the selected actions and repeating the previous iterative phases from the beginning until the quality improvement is greater than a predetermined figure and/or a predetermined maximum number of iterations is reached.
摘要翻译：在光通信系统中的Wavelengt h Division Multiplex（WDM）信号中的N个光信道的功率预加重的迭代方法，根据哪个代表性的Xi特征被定义用于具有特征的信道，其中包括至少一个特征是位误码率（BER）的函数。该方法包括遍历WDM信号信道的迭代阶段，并针对每个信道评估用于信道和与其相邻的信道的所述特征; 将所述信道特性与相邻信道的同源特性进行比较，并且基于比较结果，选择要在第i个信道上发送的功率执行的预定动作; 对于所有的通道，执行每个相应的所选动作的动力; 用所选择的动作来计算新功率的所有信道的度量质量函数，并从开始重复前一个迭代阶段，直到质量改进大于预定数字和/或达到预定的最大迭代次数。

9. 发明申请

WO2013012361A1 OTM FUNCTIONALITY IN SOA BASED TRANSCEIVERS 审中-公开
标题翻译：基于SOA的收信人的OTM功能
公开(公告)号：WO2013012361A1
公开(公告)日：2013-01-24
申请号：PCT/SE2011/050952
申请日：2011-07-18
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , VALL-LLOSERA, Gemma , URBAN, Patryk , GIORGI, Luca
发明人： VALL-LLOSERA, Gemma , URBAN, Patryk , GIORGI, Luca
IPC分类号： H04B10/08 , H04L12/26
CPC分类号： H04Q11/0067 , H04B10/0799 , H04B10/2587 , H04B10/272 , H04L43/0817 , H04Q2011/0079
摘要： A method and arrangement in an Optical Network Terminal, ONT for monitoring the state of an Optical Distribution Network, ODN, in a Passive Optical Network, PON, is provided. The ONT receives an optical signal, from an Optical Line Terminal, OLT, having optical power, P 0,sat , causing a Semiconductor Optical Amplifier, SOA, comprised in the ONU, to reach a saturated state. One or more parameters are measured. The parameters relates to the power provided from a power source to the SOA during a predefined time period, where the SOA is in a saturated state during the predefined time period. Information relating to the measured parameters are provided to the OLT and thereby enabling the OLT to compare the current state of the ODN to a previously measured reference state of the ODN.
摘要翻译：提供了一种在光网络终端中的方法和装置，用于监视无源光网络PON中的光分配网络ODN的状态的ONT。 ONT从具有光功率P0，sat的光线路终端OLT接收光信号，使ONU中包含的半导体光放大器（SOA）达到饱和状态。测量一个或多个参数。这些参数涉及在预定义时间段内从电源向SOA提供的功率，其中SOA在预定时间段期间处于饱和状态。将与测量参数相关的信息提供给OLT，从而使OLT能够将ODN的当前状态与ODN的先前测量的参考状态进行比较。

10. 发明申请

WO2012084274A1 A PASSIVE OPTICAL NETWORK ARRANGEMENT AND METHOD 审中-公开
标题翻译：被动光网络布置和方法
公开(公告)号：WO2012084274A1
公开(公告)日：2012-06-28
申请号：PCT/EP2011/056075
申请日：2011-04-18
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , CAVALIERE, Fabio , GIORGI, Luca
发明人： CAVALIERE, Fabio , GIORGI, Luca
IPC分类号： H04J14/02
CPC分类号： H04J14/02 , H04J14/0227 , H04J14/0238 , H04J14/0246 , H04J14/0256 , H04J14/0267 , H04J14/0282
摘要： This disclosure relates to wavelength division multiplexed (WDM) passive optical networks (PON), and the transmission of point-to-point and broadcast or multicast channels from an optical line transmitter (OLT) to an optical network unit (ONU). There is provided a WDM PON (100) comprising: an OLT (105) coupled to a plurality of ONU (110a, 110b) using an optical fibre network (160); the OLT (105) having one or more WDM transceivers (115a, 115b) each arranged to receive multi-cast and point-to-point channels and wherein the or each WDM transceiver (115a, 115b) is arranged to transmit a said channel to a respective said ONU (110a, 110b) using a respective dedicated wavelength (λa, λb); an input channel switch (130a, 130b) associated with the or each WDM transceiver (115a, 115b) and arranged to selectively couple the input of the WDM transceiver to the multi-cast channels and the point-to-point channels (140,135); wherein the selected multi-cast or point-to-point channels are directly converted to the respective dedicated wavelength.
摘要翻译：本公开涉及波分复用（WDM）无源光网络（PON）以及从光线路发射机（OLT）到光网络单元（ONU）的点到点和广播或组播信道的传输。提供了一种WDM PON（100），包括：使用光纤网络（160）耦合到多个ONU（110a，110b）的OLT（105）; OLT（105）具有一个或多个WDM收发器（115a，115b），每个WDM收发器被布置成接收多播和点对点信道，并且其中所述或每个WDM收发器（115a，115b）被布置成将所述信道发送到相应的所述ONU（110a，110b）使用各自的专用波长（λa，φb）; 与所述或每个WDM收发器（115a，115b）相关联并被布置成选择性地将所述WDM收发器的输入耦合到所述多播信道和所述点对点信道（140,135）的输入信道交换机（130a，130b）。其中所选择的多播或点对点信道被直接转换成相应的专用波长。

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