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11. 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）。

12. 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。

13. 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。

14. 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）。

15. 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。

16. 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。

17. 发明申请

WO2008040376A3 METHOD, APPARATUS AND DATA CARRIER FOR COMPENSATING FOR CHANNEL DEPLETION OF A MULTI-CHANNEL SIGNAL IN AN OPTICAL LINK OR OPTICAL NETWORK 审中-公开
公开(公告)号：WO2008040376A3
公开(公告)日：2008-04-10
申请号：PCT/EP2006/009677
申请日：2006-10-06
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , BRUNO, Gianmarco , CAVALIERE, Fabio
发明人： BRUNO, Gianmarco , CAVALIERE, Fabio
IPC分类号： H04B10/17 , H04B10/18 , H04B10/08
摘要： A method and apparatus for compensating for channel depletion of a multi-channel signal in an optical link or optical network comprising a chain of optical amplifiers. The method comprises determining channel depletion for each amplifier from the power of the input signal to the optical amplifier and the power of the output signal from the previous amplifier. Each amplifier is then controlled to amplify the signal to a level equal to the nominal (ideal) power plus the calculated channel depletion for that amplifier.

18. 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。

19. 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。

20. 发明申请

WO2010012316A1 OPTICAL SIGNAL MODULATION 审中-公开
标题翻译：光信号调制
公开(公告)号：WO2010012316A1
公开(公告)日：2010-02-04
申请号：PCT/EP2008/061881
申请日：2008-09-08
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , SECONDINI, Marco , CAVALIERE, Fabio
发明人： SECONDINI, Marco , CAVALIERE, Fabio
IPC分类号： H04L27/20 , H04L27/34 , H04L27/36
CPC分类号： H04B10/541 , G02F1/01 , H04B10/5161 , H04B10/548 , H04L27/2096 , H04L27/3488 , H04L27/36
摘要： A 2 n -QAM (e.g. 16-QAM) optical modulator 10 comprising cascaded I-Q modulators (22, 38). The first I-Q modulator 22 applies 2 n-2 (e.g. 4) QAM to an optical signal, having a constellation diagram with the 2 n-2 constellation points located in quadrant I. The second I-Q modulator (38) subsequently applies a quaternary phase-shift keying (QPSK) modulation scheme to the optical signal, thereby rotating the constellation points of the 2 n-2 -QAM modulation scheme to quadrants II, III and IV, to produce a 2n-QAM modulation constellation diagram. The rotation causes the 2 n -QAM modulator to inherently apply four quadrant differential encoding to the optical signal. A method of 2 n -QAM optical modulation is also provided and optical signal transmission apparatus comprising the 2 n -QAM optical modulator.
摘要翻译：包括级联I-Q调制器（22,38）的2n-QAM（例如16-QAM）光调制器10。第一IQ调制器22将2n-2（例如4）QAM应用于具有位于象限I中的2n-2个星座点的星座图的光信号。第二IQ调制器（38）随后应用四相相移键控（QPSK）调制方案，从而将2n-2-QAM调制方案的星座点旋转到象限II，III和IV，以产生2n-QAM调制星座图。旋转使2n-QAM调制器固有地对光信号应用四象限差分编码。还提供了一种2n-QAM光调制方法和包括2n-QAM光调制器的光信号传输装置。

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