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    • 3. 发明申请
    • IMPROVED OPTICAL ACCESS NETWORK AND NODES
    • 改进的光接入网络和节点
    • WO2009112083A1
    • 2009-09-17
    • PCT/EP2008/056474
    • 2008-05-27
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)GHIGGINO, PierpaoloCAVALIERE, Fabio
    • GHIGGINO, PierpaoloCAVALIERE, Fabio
    • H04J14/02
    • H04J14/0298H04J14/0226H04J14/0246H04J14/0247H04J14/025H04J14/0282
    • 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.
    • 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。
    • 6. 发明申请
    • APPARATUS AND MODULES FOR AN OPTICAL NETWORK
    • 光网络的设备和模块
    • WO2010000307A1
    • 2010-01-07
    • PCT/EP2008/058407
    • 2008-06-30
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)CAVALIERE, FabioGHIGGINO, Pierpaolo
    • CAVALIERE, FabioGHIGGINO, Pierpaolo
    • H04B10/207H04J14/02
    • H04B10/272H04J14/0227H04J14/0246H04J14/0247H04J14/025H04J14/0252H04J14/0279H04J14/0282H04J14/0291H04J14/0297H04Q11/0067
    • 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.
    • 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。
    • 7. 发明申请
    • OPTICAL NETWORK
    • 光网络
    • WO2009141015A1
    • 2009-11-26
    • PCT/EP2008/060567
    • 2008-08-12
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)CAVALIERE, FabioDAHLFORT, StefanGHIGGINO, Pierpaolo
    • CAVALIERE, FabioDAHLFORT, StefanGHIGGINO, Pierpaolo
    • H04J14/02
    • H04J14/0227H04J14/0226H04J14/0246H04J14/0247H04J14/025H04J14/0252H04J14/0282
    • 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.
    • 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。
    • 8. 发明申请
    • FIBRE ACCESS NETWORK AND METHOD
    • 光纤接入网络和方法
    • WO2009135533A1
    • 2009-11-12
    • PCT/EP2008/055950
    • 2008-05-15
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)GIORGI, LucaGHIGGINO, PierpaoloCAVALIERE, Fabio
    • GIORGI, LucaGHIGGINO, PierpaoloCAVALIERE, Fabio
    • H04J14/02H04J3/16
    • H04J14/0282
    • 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.
    • 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。
    • 9. 发明申请
    • METHOD FOR OPERATING A TELECOMMUNICATIONS ACCESS NETWORK
    • 操作电信接入网络的方法
    • WO2006027334A1
    • 2006-03-16
    • PCT/EP2005/054312
    • 2005-09-01
    • MARCONI UK INTELLECTUAL PROPERTY LIMITEDGHIGGINO, Pierpaolo
    • GHIGGINO, Pierpaolo
    • H04Q11/00
    • H04Q11/0067H04Q2011/0016H04Q2011/0075H04Q2011/0081
    • The invention relates to telecommunications network (10), and in particular to a Passive Optical Network (PON), and a method for operation thereof. The telecommunications network (10, 60) is capable of handling increases in bandwidth per user over the predicted lifetime of the network infrastructure. The telecommunications network (10, 60) further utilises a greater proportion of the potential bandwidth carrying capacity of the network and minimises maintenance requirements. The network (10, 60) is readily adaptable to future bandwidth requirements because redundant optic fibres (18, 27) are provided for making more connections as required. The cost of laying redundant optic fibres (18, 27) is minimal when compared to the cost of laying additional optic fibres at a later date. Furthermore the cost of maintaining the network is kept to a minimum because of the use of PON technology and consequently the overall cost of installing and maintaining he network over a predicted lifetime of 20 years is reduced.
    • 本发明涉及电信网络(10),特别涉及无源光网络(PON)及其操作方法。 电信网络(10,60)能够在网络基础设施的预计寿命内处理每个用户的带宽增加。 电信网络(10,60)进一步利用网络的较大比例的潜在带宽承载能力,并最小化维护需求。 网络(10,60)容易适应未来的带宽要求,因为冗余光纤(18,27)被提供用于根据需要进行更多的连接。 与以后敷设额外的光纤的成本相比,铺设冗余光纤(18,27)的成本是最小的。 此外,由于使用PON技术,维护网络的成本保持在最低水平,因此减少了在20年的预计寿命内安装和维护网络的总体成本。