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1. 发明申请

WO2011032597A1 PASSIVE OPTICAL NETWORK 审中-公开
标题翻译：被动光网络
公开(公告)号：WO2011032597A1
公开(公告)日：2011-03-24
申请号：PCT/EP2009/062141
申请日：2009-09-18
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , PRESI, Marco , CIARAMELLA, Ernesto , CAVALIERE, Fabio
发明人： PRESI, Marco , CIARAMELLA, Ernesto , CAVALIERE, Fabio
IPC分类号： H04Q11/00
CPC分类号： H04Q11/0067 , H04B10/2587 , H04B10/516 , H04B2210/517 , H04J14/0282 , H04J2014/0253 , H04Q2011/0086 , H04Q2011/009
摘要： A distribution node (10) of a passive optical network (PON) comprises a first port (11) for receiving a first optical continuous envelope modulated downstream data signal at a first wavelength (λ c ) from a first optical line termination unit (OLTl) and a second port (12) for receiving a second optical continuous envelope modulated downstream data signal at a second wavelength (λ L ) from a second optical line termination unit (OLT2). A first converter (FBG-I) performs continuous envelope modulation-to-intensity modulation conversion of the first optical downstream data signal and forwards the converted first optical downstream data signal (λ c ) to the first group of optical network units (ONU 1... N ). A second converter (FBG-2) performs continuous envelope modulation-to-intensity modulation conversion of the second optical downstream data signal and forwards the converted second optical downstream data signal (λ L ) to the second group of optical network units (ONU N+I...2N ). The distribution node (10) forwards a seed signal at the first wavelength (λc) to the second group of optical network units (ONU N+I...2N ) and forwards a seed signal at the second wavelength (λ L ) to the first group of optical network units (ONU 1... N ).
摘要翻译：无源光网络（PON）的分发节点（10）包括用于从第一光线路终端单元（OLT1）接收第一波长（λc）的第一光学连续包络调制下行数据信号的第一端口（11）以及用于从第二光线路终端单元（OLT2）接收第二波长（λL）的第二光学连续包络调制下行数据信号的第二端口（12）。第一转换器（FBG-I）对第一光下行数据信号执行连续的包络调制到强度调制转换，并将转换后的第一光下行数据信号（ωc）转发到第一组光网络单元（ONU1 .. 。N）。第二转换器（FBG-2）对第二光学下行数据信号执行连续包络调制强度调制转换，并将转换的第二光下行数据信号（ΔL）转发到第二组光网络单元（ONUN + I ... 2N）。分配节点（10）将第一波长（λc）的种子信号转发到第二组光网络单元（ONUN + I ... 2N），并将第二波长（λL）的种子信号转发到第一组光网络单元（ONU1 ... N）。

2. 发明申请

WO2010000296A1 OPTICAL APPARATUS 审中-公开
标题翻译：光学装置
公开(公告)号：WO2010000296A1
公开(公告)日：2010-01-07
申请号：PCT/EP2008/058365
申请日：2008-06-30
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , CAVALIERE, Fabio
发明人： CAVALIERE, Fabio
IPC分类号： H04B10/26
CPC分类号： H04B10/2587
摘要： An optical apparatus for use in an optical communications network, and a method of operating a network are described. The apparatus includes an input suitable for receiving a first continuous wave optical signal from a remote location on a network, and a modifying unit arranged to modify the first continuous wave optical signal to produce a second continuous wave optical signal having a wavelength which is different from the wavelength of the first continuous wave optical signal. A modulating unit is arranged to modulate the second continuous wave optical signal with data to produce a modulated second continuous wave optical signal.
摘要翻译：描述了一种用于光通信网络的光学装置，以及一种操作网络的方法。该装置包括适于从网络上的远程位置接收第一连续波光信号的输入，以及修改单元，其被配置为修改第一连续波光信号以产生具有不同于第一连续波光信号的波长的第二连续波光信号第一连续波光信号的波长。调制单元被布置成用数据调制第二连续波光信号以产生经调制的第二连续波光信号。

3. 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）。

4. 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。

5. 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。

6. 发明申请

WO2010139355A1 MONITORING OPTICAL PARAMETERS OF A MODULATED OPTICAL SIGNAL 审中-公开
标题翻译：监测调制光信号的光学参数
公开(公告)号：WO2010139355A1
公开(公告)日：2010-12-09
申请号：PCT/EP2009/056701
申请日：2009-06-01
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , BRUNO, Gianmarco , CAVALIERE, Fabio
发明人： BRUNO, Gianmarco , CAVALIERE, Fabio
IPC分类号： H04B10/08
CPC分类号： H04B10/07953
摘要： A method (10) of monitoring optical parameters of a modulated optical signal comprises receiving a first optical power, X i , of said optical signal for a first bandwidth, B i , across the said optical signal (12) and receiving a second optical power, X j , of said optical signal for a second bandwidth, B j , across the said optical signal (14). The method comprises obtaining a power spectral density description of said optical signal (16). The method comprises determining an optical signal to noise ratio of said optical signal (18). The optical signal to noise ratio depends on said first optical power, X i , said second optical power, X j , and said power spectral density description. The method also comprises generating a data signal indicative of said optical signal to noise ratio (19).
摘要翻译：一种监视调制光信号的光学参数的方法（10）包括：在所述光信号（12）的两端接收第一带宽（Bi）的所述光信号的第一光功率Xi，并接收第二光功率，Xj ，所述光信号用于第二带宽Bj，跨越所述光信号（14）。该方法包括获得所述光信号（16）的功率谱密度描述。该方法包括确定所述光信号（18）的光信噪比。光信噪比取决于所述第一光功率Xi，所述第二光功率Xj和所述功率谱密度描述。该方法还包括产生指示所述光信噪比的数据信号（19）。

7. 发明申请

WO2010020295A1 IMPROVEMENTS IN OR RELATING TO MODULATION IN AN OPTICAL NETWORK 审中-公开
标题翻译：改进或相关于光网络调制
公开(公告)号：WO2010020295A1
公开(公告)日：2010-02-25
申请号：PCT/EP2008/063367
申请日：2008-10-07
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , PRESI, Marco , CIARAMELLA, Ernesto , CAVALIERE, Fabio
发明人： PRESI, Marco , CIARAMELLA, Ernesto , CAVALIERE, Fabio
IPC分类号： H04B10/26 , H04B10/12 , H04J14/02
CPC分类号： H04B10/2587 , H04B10/25759 , H04J14/0282
摘要： The invention relates to improvements in or relating to modulation in an Optical Network, and to an apparatus, a method and a communications network for modulation in an Optical Network. An apparatus is arranged to receive a modulated optical signal comprising a carrier wavelength and first data. The apparatus is arranged to substantially erase the first data from the optical signal by performing an inversion operation on the modulated optical signal. The apparatus is arranged to receive second data and to modulate the carrier wavelength with the second data for onward transmission of the second data. The inversion operation comprises applying a signal comprising an inverse of the first data to at least a portion of the modulated optical signal. The signal may further comprise the second data such that the modulation of the carrier wavelength and erasure of the first data is performed in a single operation.
摘要翻译：本发明涉及在光网络中的调制方面的改进或涉及光网络中的调制，以及用于光网络中的调制的装置，方法和通信网络。一种装置被配置为接收包括载波波长和第一数据的调制光信号。该装置被布置为通过对调制的光信号执行反转操作来从光信号基本上擦除第一数据。该装置被设置为接收第二数据并且利用第二数据来调制载波波长以用于第二数据的向前传输。反转操作包括将包括第一数据的逆的信号应用于调制光信号的至少一部分。该信号还可以包括第二数据，使得在单个操作中执行载波波长的调制和第一数据的擦除。

8. 发明申请

WO2009124588A1 IMPROVEMENTS IN OR RELATING TO OPTICAL NETWORKS 审中-公开
标题翻译：光网络的改进或相关
公开(公告)号：WO2009124588A1
公开(公告)日：2009-10-15
申请号：PCT/EP2008/054265
申请日：2008-04-09
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , BOGONI, Antonella , POTI, Luca , FRESI, Francesco , CAVALIERE, Fabio , BERRETTINI, Gianluca
发明人： BOGONI, Antonella , POTI, Luca , FRESI, Francesco , CAVALIERE, Fabio , BERRETTINI, Gianluca
IPC分类号： H04B10/26
CPC分类号： H04B10/2587 , H04J14/02 , H04J14/0226 , H04J14/0246 , H04J14/0247 , H04J14/025 , H04J14/0252 , H04J14/0282 , H04J2014/0253
摘要： Improvements in or relating to Optical Networks The invention relates to improvements in or relating to optical networks, and methods and an apparatus for providing communications services. Receiving an optical signal is described comprising a carrier wavelength and optical data. The optical data is substantially erased, and the carrier wavelength is re-modulated with user data for onward transmission of the user data.
摘要翻译：光网络的改进或涉及光网络技术领域本发明涉及光网络的改进或涉及光网络，以及用于提供通信服务的方法和装置。描述了接收光信号，其包括载波波长和光数据。基本上擦除光学数据，并且用用户数据重新调制载波波长，以便用户数据的向前发送。

9. 发明申请

WO2009112083A1 IMPROVED OPTICAL ACCESS NETWORK AND NODES 审中-公开
标题翻译：改进的光接入网络和节点
公开(公告)号：WO2009112083A1
公开(公告)日：2009-09-17
申请号：PCT/EP2008/056474
申请日：2008-05-27
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , GHIGGINO, Pierpaolo , CAVALIERE, Fabio
发明人： GHIGGINO, Pierpaolo , CAVALIERE, Fabio
IPC分类号： H04J14/02
CPC分类号： H04J14/0298 , H04J14/0226 , H04J14/0246 , H04J14/0247 , H04J14/025 , H04J14/0282
摘要： An optical network terminal (ONT - 125F) for use in an optical access network (100) and comprising: an optical transceiver (310, 345 or 410, 415, 455) arranged to communicate with an optical line terminal (OLT - 105) using a wavelength (205B, 255B) which is modulated to carry sub-channels (210B 1-4, 260B 1-4); a second transceiver (320, 335 or 430F1-2, 435F1-2, 440F1-2 or 525R1-3, 535R1-3, 540R1-3, 530R1-3) arranged to communicate with a number of subscriber equipment (135F1-4, 135R1-2, 135C1-2) using respective subscriber equipment channels (215Bl -4, 260B 1-4); the ONT (125F) arranged to automatically map each subscriber equipment channel (215Bl -4) to a respective sub-channel (210B 1-4) of the wavelength (205B) without using an address (675, 680) associated with the respective subscriber equipment.
摘要翻译：一种用于光接入网络（100）的光网络终端（ONT-125F），包括：光收发器（310,345或410,415,455），被布置为使用光线路终端（OLT-105）与光线路终端被调制以携带子信道（210B 1-4,260B 1-4）的波长（205B，255B）; 布置成与多个订户设备（135F1-4，...，350F1-2,450F1-2或525R1-3,535F1-2,440F1-2或525R1-3,535F1-2,440F1-2或525R1-3,535F1-2,450F1-2或525R1-3,535R1-3,540R1-3,530R1-3）通信的第二收发器 135R1-2，135C1-2），使用相应的用户设备信道（215B1-4,260B1-4）; 所述ONT（125F）被布置成将每个用户设备信道（215B 1-4）自动映射到所述波长（205B）的相应子信道（210B 1-4），而不使用与相应订户相关联的地址（675,680）设备。

10. 发明申请

WO2009056365A1 IMPROVEMENTS IN OR RELATING TO OPTICAL NETWORKS 审中-公开
标题翻译：光网络的改进或相关
公开(公告)号：WO2009056365A1
公开(公告)日：2009-05-07
申请号：PCT/EP2008/053882
申请日：2008-04-01
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , PRESI, Marco , CONTESTABILE, Giampiero , CIARAMELLA, Ernesto , CAVALIERE, Fabio , PROIETTII, Roberto , D'ERRICO, Antonio , GHIGGINO, Pierpaolo
发明人： PRESI, Marco , CONTESTABILE, Giampiero , CIARAMELLA, Ernesto , CAVALIERE, Fabio , PROIETTII, Roberto , D'ERRICO, Antonio , GHIGGINO, Pierpaolo
IPC分类号： H04B10/26
CPC分类号： H04B10/2587 , H04J14/0226 , H04J14/0227 , H04J14/0246 , H04J14/025 , H04J14/0282 , H04J14/0298 , H04J2014/0253
摘要： The invention relates to improvements in or relating to optical networks. Methods and apparatus are disclosed for providing communications services to at least one user. Transmission of an optical signal in the downstream direction is described comprising at least one Wavelength Division Multiplexing channel such that at least one of the channels is an unmodulated channel. The unmodulated channel is arranged to transmit user data from the at least one user in the upstream direction.
摘要翻译：本发明涉及光网络的改进或涉及光网络。公开了用于向至少一个用户提供通信服务的方法和装置。描述了沿下游方向的光信号的传输，其包括至少一个波分复用信道，使得至少一个信道是未调制的信道。未调制信道被布置成在上游方向上从至少一个用户传送用户数据。

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