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。

2. 发明申请

WO2008145464A1 AN OPTICAL PON NETWORK USING PASSIVE DPSK DEMODULATION 审中-公开
标题翻译：使用被动DPSK解调的光网络网络
公开(公告)号：WO2008145464A1
公开(公告)日：2008-12-04
申请号：PCT/EP2008/055005
申请日：2008-04-24
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , CALABRETTA, Nicola , PRESI, Marco , CONTESTABILE, Giampiero , GHIGGINO, Pierpaolo , CIARAMELLA, Ernesto , CAVALIERE, Fabio , PROIETTII, Roberto
发明人： CALABRETTA, Nicola , PRESI, Marco , CONTESTABILE, Giampiero , GHIGGINO, Pierpaolo , CIARAMELLA, Ernesto , CAVALIERE, Fabio , PROIETTII, Roberto
IPC分类号： H04J14/02 , H04B10/158
CPC分类号： H04J14/0226 , H04B10/677 , H04J14/02 , H04J14/0246 , H04J14/0247 , H04J14/0252 , H04J14/0282 , H04J2014/0253 , H04Q11/0067 , H04Q2011/0086 , H04Q2011/009
摘要： An optical PON network comprises a central office which generates N DPSK modulated optical signals, where N is an integer greater than 1, an optical coupling which connects the N signals to at least one optical fibre, a passive distribution node located remotely from the central office which has at least one input port that is coupled to the fibre and a plurality of output ports, the node being arranged to transmit a first wavelength of the N signals to at least one of its output ports, and at least one optical network unit connected through a respective optical fibre to the first output port of the passive distribution node. The passive distribution node comprises an arrayed waveguide grating which provides a passive optical connection between its input port and the first output port and which for that connection functions as a bandpass filter having a profile and bandwidth selected such that the DPSK optical signal passed to the input node is converted to an intensity modulated signal at the output port.
摘要翻译：光PON网络包括产生N个DPSK调制光信号的中心局，其中N是大于1的整数，将N个信号连接到至少一个光纤的光耦合器，远离中心局的被动分配节点其具有耦合到光纤的至少一个输入端口和多个输出端口，所述节点被布置成将N个信号的第一波长发射到其输出端口中的至少一个，并且至少一个光网络单元连接通过相应的光纤到被动分配节点的第一输出端口。无源分布节点包括阵列波导光栅，其在其输入端口和第一输出端口之间提供无源光学连接，并且对于该连接起到带通滤波器的作用，该带通滤波器具有被选择的轮廓和带宽，使得DPSK光信号传递到输入端节点在输出端口转换为强度调制信号。

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

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）。

5. 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。

6. 发明申请

WO2011012167A1 APPARATUS AND METHOD FOR OPERATING A WAVELENGTH DIVISION MULTIPLEXING ACCESS NETWORK 审中-公开
标题翻译：用于操作波分多址接入网络的装置和方法
公开(公告)号：WO2011012167A1
公开(公告)日：2011-02-03
申请号：PCT/EP2009/059932
申请日：2009-07-31
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , GHIGGINO, Pierpaolo , BIANCHI, Alberto , THORLEY, Antony , CAVALIERE, Fabio
发明人： GHIGGINO, Pierpaolo , BIANCHI, Alberto , THORLEY, Antony , CAVALIERE, Fabio
IPC分类号： H04J14/02
CPC分类号： H04J14/0282 , H04J14/0227 , H04J14/0257 , H04J14/026
摘要： The invention relates in general to a method, an apparatus and a unit for operating a Wavelength Division Multiplexing Access Network 25, and in particular to unbundling wavelengths in the network 25. Embodiments of the invention disclose monitoring a plurality of wavelengths of the Wavelength Division Multiplexing Access Network 25 to determine at least one available wavelength that is free for use. The transmitter then automatically transmits data to at least one user device 22 via at least one available wavelength.
摘要翻译：本发明一般涉及用于操作波分复用接入网络25的方法，装置和单元，并且具体涉及网络25中的非捆绑波长。本发明的实施例公开了监视波分复用的多个波长接入网络25以确定至少一个可用的可用波长。然后，发射机经由至少一个可用波长自动向至少一个用户设备22发送数据。

7. 发明申请

WO2009026962A1 IMPROVEMENTS IN OR RELATING TO MULTICARRIER COMMUNICATION 审中-公开
标题翻译：改进或涉及多媒体通信
公开(公告)号：WO2009026962A1
公开(公告)日：2009-03-05
申请号：PCT/EP2007/059075
申请日：2007-08-30
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , CAVALIERE, Fabio , GHIGGINO, Pierpaolo
发明人： CAVALIERE, Fabio , GHIGGINO, Pierpaolo
IPC分类号： H04J14/02
CPC分类号： H04J14/0298 , H04J14/0227 , H04J14/0247 , H04J14/0252 , H04J14/0282
摘要： The invention relates to improvements in or relating to multicarrier communication and includes a method and a system for communication between an optical line terminal and a plurality of users over a single optical fibre. A portion of a downstream optical signal is input to an optical circuit, the downstream signal comprising a plurality of subcarriers modulated at a first frequency, the portion of the downstream optical signal is processed at the optical circuit to remove the plurality of subcarriers and to change the first frequency into a second frequency. The processed portion of the downstream signal is then used for communication in the upstream direction.
摘要翻译：本发明涉及对多载波通信的改进或涉及多载波通信，并且包括用于通过单个光纤在光线路终端与多个用户之间进行通信的方法和系统。下行光信号的一部分被输入到光电路，下行信号包括以第一频率调制的多个子载波，下行光信号的部分在光电路处被处理以去除多个子载波并改变第一个频率进入第二个频率。然后，将下行信号的处理部分用于上行方向的通信。

8. 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。

9. 发明申请

WO2010000307A1 APPARATUS AND MODULES FOR AN OPTICAL NETWORK 审中-公开
标题翻译：光网络的设备和模块
公开(公告)号：WO2010000307A1
公开(公告)日：2010-01-07
申请号：PCT/EP2008/058407
申请日：2008-06-30
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , CAVALIERE, Fabio , GHIGGINO, Pierpaolo
发明人： CAVALIERE, Fabio , GHIGGINO, Pierpaolo
IPC分类号： H04B10/207 , H04J14/02
CPC分类号： H04B10/272 , H04J14/0227 , H04J14/0246 , H04J14/0247 , H04J14/025 , H04J14/0252 , H04J14/0279 , H04J14/0282 , H04J14/0291 , H04J14/0297 , H04Q11/0067
摘要： A set of modules for use in constructing an optical network, the set comprising at least two different types of module, wherein the different module types comprise: (a) a multi-wavelength distribution module comprising: at least one optical output port; at least two wavelength generators each capable of generating an optical signal comprising at least N different wavelengths, where N is an integer greater than 1; and a protection switching mechanism arranged to selectively connect only one of said wavelength generators at anyone time to said at least one optical output port; and (b) an optical modem module comprising: N electrical input ports;N electrical output ports;an optical input port for receiving modulated optical signals;an optical output port for outputting modulated optical signals;a further optical input for receiving an optical output signal comprising N different wavelengths from a multi-wavelength distribution module;a modulator arranged to receive up to N electrical input signals from the N electrical input ports and an optical output signal comprising N different wavelengths from the further optical input, and modulate up to N of the different wavelengths in dependence upon a respective one of the electrical signals to generate an output modulated optical signal comprising up to N channels for output at said optical output port; and a demodulator coupled to the optical input port for demodulating an optical signal comprising up to N channels into a set of N electrical signals, each electrical signal corresponding to one of the N channels, the modulator being coupled to the N electrical output ports for supplying a respective one of the signals to each port.
摘要翻译：一种用于构建光网络的模块，所述组件包括至少两种不同类型的模块，其中所述不同模块类型包括：（a）多波长分布模块，包括：至少一个光学输出端口; 至少两个波长发生器，每个波长发生器能够产生包括至少N个不同波长的光信号，其中N是大于1的整数; 以及保护切换机构，其布置成在任何时间仅选择性地将所述波长发生器中的一个连接到所述至少一个光输出端口; （b）光调制解调器模块，包括：N个电输入端口; N个电输出端口;用于接收调制光信号的光输入端口;用于输出调制光信号的光输出端口;用于接收光输出信号的另一光输入端包括来自多波长分布模块的N个不同波长;调制器，被布置为从N个电输入端口接收多达N个电输入信号，以及从另外的光输入端接收包括N个不同波长的光输出信号，根据相应的一个电信号产生不同的波长，以产生包括多达N个信道的输出调制光信号，用于在所述光输出端口输出; 以及耦合到所述光输入端口的解调器，用于将包括多达N个信道的光信号解调成一组N个电信号，每个电信号对应于所述N个信道之一，所述调制器耦合到所述N个电输出端口，用于供应相应的信号到每个端口。

10. 发明申请

WO2009141015A1 OPTICAL NETWORK 审中-公开
标题翻译：光网络
公开(公告)号：WO2009141015A1
公开(公告)日：2009-11-26
申请号：PCT/EP2008/060567
申请日：2008-08-12
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) , CAVALIERE, Fabio , DAHLFORT, Stefan , GHIGGINO, Pierpaolo
发明人： CAVALIERE, Fabio , DAHLFORT, Stefan , GHIGGINO, Pierpaolo
IPC分类号： H04J14/02
CPC分类号： H04J14/0227 , H04J14/0226 , H04J14/0246 , H04J14/0247 , H04J14/025 , H04J14/0252 , H04J14/0282
摘要： An optical network and a method of provisioning an optical network are described. The optical network includes a first passive optical network optical line terminal arranged to transmit a first optical signal at a first wavelength, coupled to a first port of a first optical filter arrangement, and a second passive optical network optical line terminal arranged to transmit a second optical signal at a second, different wavelength, coupled to a second port of the first optical filter arrangement. An optical coupler is connected between the second passive optical network line terminal and the second port of the first optical filter arrangement, for coupling a plurality of optical signals at a predetermined set of wavelengths from a third optical line terminal into the second port. A passive optical distribution node, for connection to a plurality of optical network terminations, is coupled to a third port of the first optical filter arrangement for distribution of optical signals between the optical line terminals and the plurality of optical network terminations. The first optical filter arrangement is arranged to pass optical signals at the first wavelength between the first port and the third port and to block optical signals at the second wavelength and the predetermined set of wavelengths between the first port and the third port, and the first optical filter arrangement is further arranged to pass optical signals at the second wavelength and the predetermined set of wavelengths between the second port and the third port and to block optical signals at the first wavelength between the second port and the third port. The second optical signal is at a faster rate than the first optical signal, and the second wavelength and the predetermined set of wavelengths are within an amplification band of a doped fibre amplifier.
摘要翻译：描述光网络和提供光网络的方法。该光网络包括第一无源光网络光线路终端，被配置为发射耦合到第一光滤波器装置的第一端口的第一波长的第一光信号，以及第二无源光网络光线路终端，第二不同波长的光信号耦合到第一光学滤波器装置的第二端口。光耦合器连接在第二无源光网络线路终端和第一滤光器装置的第二端口之间，用于将预定的一组波长的多个光信号从第三光线路终端耦合到第二端口。用于连接到多个光网络终端的无源光分配节点耦合到第一光滤波器装置的第三端口，用于在光线路终端与多个光网络终端之间分配光信号。第一滤光器装置被布置成在第一端口和第三端口之间传递第一波长的光信号，并且阻挡在第一端口和第三端口之间的第二波长和预定波长组的光信号，并且第一光滤波器布置还被布置成使第二波长处的光信号和第二端口与第三端口之间的预定波长组合通过，并阻止在第二端口和第三端口之间的第一波长处的光信号。第二光信号的速率快于第一光信号，第二波长和预定波长组在掺杂光纤放大器的放大带内。

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