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1. 发明专利

JP2012257159A Optical communication device 有权
标题翻译：光通信设备
公开(公告)号：JP2012257159A
公开(公告)日：2012-12-27
申请号：JP2011130183
申请日：2011-06-10
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社 , Broad Net Mux Corp , 株式会社ブロードネットマックス
发明人： MATSUMOTO KENGO , SAGAWA NORIMASA
IPC分类号： H04B10/02 , H04B10/08 , H04B10/18 , H04N7/173
摘要： PROBLEM TO BE SOLVED: To provide an optical communication device on the station side of an optical broadcasting system, capable of improving an OBI noise ratio, possibly produced in an uplink optical signal, with a simple method.SOLUTION: In an optical broadcasting system 1 simultaneously providing a plurality of services to subscribers, a plurality of CMTS 6 in a CATV office building 2 are respectively provided corresponding to a plurality of services, to control ONU 28 of the subscribers. A plurality of variable attenuators 18 in the CATV office building 2 are respectively provided corresponding to the plurality of CMTS 6, to control each input signal level of the CMTS 6. An uplink RX 14 in the CATV office building 2 converts an uplink optical signal output from the ONU 28 into an uplink electric signal, and provides it for the plurality of variable attenuators 18. When a noise amount of the uplink electric signal exceeds a predetermined value, an OBI monitoring circuit 20 in the CATV office building 2 increases an attenuation amount of a variable attenuator 18 that corresponds to the CMTS 6 related to a service provided at present among the plurality of services.
摘要翻译：要解决的问题：为了在光学广播系统的站侧提供能够以简单的方法提高可能在上行链路光信号中产生的OBI噪声比的光通信设备。解决方案：在向用户同时提供多个业务的光学广播系统1中，分别对应于多个业务的CATV办公楼2中设置多个CMTS 6，以控制用户的ONU 28。分别对应于多个CMTS6提供CATV办公楼2中的多个可变衰减器18，以控制CMTS 6的每个输入信号电平。CATV办公楼2中的上行链路RX 14将上行链路光信号输出从ONU28发送到上行电信号，并将其提供给多个可变衰减器18.当上行链路电信号的噪声量超过预定值时，CATV办公楼2中的OBI监视电路20增加衰减量可变衰减器18对应于与当前在多个服务中提供的服务相关的CMTS 6。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012249251A Optical receiver, optical transmission system, optical reception method, and optical transmission method 审中-公开
标题翻译：光接收机，光传输系统，光接收方法和光传输方法
公开(公告)号：JP2012249251A
公开(公告)日：2012-12-13
申请号：JP2011121807
申请日：2011-05-31
申请人： Nec Corp , 日本電気株式会社
发明人： ITO KUMI
IPC分类号： H04B10/02 , H04B10/04 , H04B10/06 , H04B10/14 , H04B10/18 , H04B10/26 , H04B10/28
摘要： PROBLEM TO BE SOLVED: To provide an optical receiver capable of suppressing noise generated at a transmission route.SOLUTION: The optical receiver, receiving an optical signal through an optical transmission line, includes: a light receiving element for converting the received optical signal into an electric signal; a controller that generates a signal by a spectrum model in which noises serving as a source of the received signal are not superimposed; and a canceller section that regards a difference between the received signal and the generated signal to be noise increased by an effect of the optical transmission line and that cancels the noise.
摘要翻译：要解决的问题：提供一种能够抑制在传输路由上产生的噪声的光接收机。解决方案：通过光传输线路接收光信号的光接收机包括：用于将接收到的光信号转换成电信号的光接收元件; 通过频谱模型生成信号的控制器，其中不叠加用作接收信号的源的噪声; 以及消除部分，其将接收信号和所产生的信号之间的差异视为由光传输线的影响而增加的噪声，并消除噪声。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012239054A Wdm optical transmission system and wavelength dispersion compensation method 有权
标题翻译： WDM光传输系统和波长分散补偿方法
公开(公告)号：JP2012239054A
公开(公告)日：2012-12-06
申请号：JP2011107066
申请日：2011-05-12
申请人： Fujitsu Ltd , 富士通株式会社
发明人： YOSHIMI ATSUSHI , MAEDA YOSHIYUKI
IPC分类号： H04B10/02 , H04B3/06 , H04B10/08 , H04B10/18 , H04B10/20 , H04J14/00 , H04J14/02
CPC分类号： H04B10/25133 , H04B10/07951 , H04J14/02
摘要： PROBLEM TO BE SOLVED: To provide a WDM optical transmission system in which the line services in operation are not affected by problems occurring in the dispersion compensation control within a device, and to provide a wavelength dispersion compensation method.SOLUTION: The dispersion compensation control information is transmitted and received between two optical transmission devices connected over a WDM network and shared. Upon occurrence of troubles in the dispersion compensation control within a device, a CPU in other optical transmission device runs a dispersion compensation control program to operate the control value of dispersion compensation amount. A variable dispersion compensator in the device is optimized according to the control value transmitted from the optical transmission device.
摘要翻译：要解决的问题：提供一种WDM光传输系统，其中运行中的线路业务不受设备内的色散补偿控制中出现的问题的影响，并提供波长色散补偿方法。解决方案：在通过WDM网络连接并共享的两个光传输设备之间发送和接收色散补偿控制信息。在装置内的色散补偿控制发生故障的情况下，其他光传输装置中的CPU运行色散补偿控制程序，以操作色散补偿量的控制值。根据从光传输装置发送的控制值，对装置中的可变色散补偿器进行优化。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012239025A Optical transceiver and host connector cover 审中-公开
标题翻译：光收发器和主机连接器盖
公开(公告)号：JP2012239025A
公开(公告)日：2012-12-06
申请号：JP2011106479
申请日：2011-05-11
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： OKI KAZUE
IPC分类号： H04B10/02 , G02B6/42 , H04B10/04 , H04B10/06 , H04B10/14 , H04B10/18 , H04B10/26 , H04B10/28
CPC分类号： H01R13/5219 , G02B6/4261 , G02B6/4277 , G02B6/4284 , H01R13/658
摘要： PROBLEM TO BE SOLVED: To provide an optical transceiver which can prevent occurrence of communication failure and can suppress leakage of electromagnetic noise, and to provide a host connector cover.SOLUTION: The optical transceiver 10 comprises: a housing 11; and a card edge connector 23 projecting from the back face 22 of the housing 11. A region A1 which faces a gasket 39 when the card edge connector 23 is fitted to a host connector 37 while being inserted into a housing part 36 from the aperture 36f thereof is provided on the back face 22 of the housing 11. The region A1 has multiple recesses A11 arranged in the extension direction of the region A1. The width W11 of the recess A11 is equal to or shorter than 1/4 of the wavelength of electromagnetic noise being generated when an electric signal is transmitted or received between the card edge connector 23 and the host connector 37.
摘要翻译：要解决的问题：提供一种可以防止通信故障发生并且可以抑制电磁噪声的泄漏的光收发器，并且提供主机连接器盖。解决方案：光收发器10包括：壳体11; 以及从壳体11的背面22突出的卡缘连接器23.当卡缘连接器23从孔36f插入到壳体部分36中时，卡缘连接器23装配到主连接器37时面向垫圈39的区域A1 该区域A1设置在壳体11的背面22上。区域A1具有沿区域A1的延伸方向排列的多个凹部A11。凹部A11的宽度W11等于或小于在卡缘连接器23和主机连接器37之间传输或接收电信号时产生的电磁噪声的波长的1/4。
版权所有（ C）2013，JPO＆INPIT

5. 发明专利

JP2012238931A Communication system, optical communication device, main base station, auxiliary base station, and radio terminal 审中-公开
标题翻译：通信系统，光通信设备，主基站，辅助基站和无线终端
公开(公告)号：JP2012238931A
公开(公告)日：2012-12-06
申请号：JP2011104788
申请日：2011-05-09
申请人： Kyocera Corp , 京セラ株式会社
发明人： YASUJIMA HIROMI
IPC分类号： H04B10/02 , H04B10/18 , H04J14/00 , H04J14/02
摘要： PROBLEM TO BE SOLVED: To make it possible to increase the number of optical multiplexing while controlling an increase in costs.SOLUTION: An optical communication device 100A includes: a plurality of optical transmission units 1A and 1B for transmitting a plurality of transmission optical signals having different wavelengths; and a wavelength multiplexer 3A for outputting a multiplexed optical signal multiplexing the plurality of transmission optical signals. An optical communication device 200A includes: a wavelength demultiplexer 4A for, after receiving a multiplexed optical signal, demultiplexing the input multiplexed optical signal to a plurality of reception optical signals corresponding to the plurality of transmission optical signals; and a plurality of optical receiving units 2A and 2B provided for respective optical transmission units 1A and 1B. The plurality of optical receiving units 2A and 2B estimate channel characteristics between each of the plurality of optical transmission units 1A and 1B and corresponding one of the plurality of optical receiving units 2A and 2B on the basis of the plurality of reception optical signals, and derives a transmission data series from the plurality of reception optical signals using the estimated channel characteristics.
摘要翻译：要解决的问题：为了在控制成本增加的同时增加光复用的数量。解决方案：光通信设备100A包括：用于发送具有不同波长的多个传输光信号的多个光传输单元1A和1B; 以及波长多路复用器3A，用于输出复用多个传输光信号的复用光信号。光通信装置200A包括：波长解复用器4A，用于在接收到复用的光信号之后，将输入的多路复用光信号解复用为对应于多个传输光信号的多个接收光信号; 以及为各光传输单元1A和1B设置的多个光接收单元2A和2B。多个光接收单元2A和2B基于多个接收光信号来估计多个光传输单元1A和1B中的每一个与多个光接收单元2A和2B中的相应的一个之间的信道特性，并且导出使用所估计的信道特性的来自所述多个接收光信号的传输数据序列。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2012227765A Optical fiber transmission system and optical receiver 有权
标题翻译：光纤传输系统和光接收机
公开(公告)号：JP2012227765A
公开(公告)日：2012-11-15
申请号：JP2011094057
申请日：2011-04-20
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： SAKAMOTO YASUSHI , YAMAMOTO TAKASHI , MORI TAKAYOSHI
IPC分类号： H04B10/18 , H04B3/06 , H04B3/10 , H04B10/02 , H04J14/00 , H04J14/04 , H04J14/06
摘要： PROBLEM TO BE SOLVED: To provide a technology of materializing long-distance transmission in the optical fiber transmission using the optical MIMO technology.SOLUTION: Delay time of the delay element in an FIR filter device 6 is not simply adjusted to an integer time of T or an integer time of T/2, but adjusted to an integer time of D or an integer time of T closest to the integer time of D. D is the group delay difference of an optical signal received by each optical receiver 2, and T is one symbol time of an optical signal received by each optical transmitter 1. Since only the taps contributive to compensation of group delay difference are left, the number of taps in the FIR filter device 6 is reduced and the computation time is shortened, and long-distance transmission is materialized in the optical fiber transmission using the optical MIMO technology.
摘要翻译：要解决的问题：提供使用光MIMO技术在光纤传输中实现长距离传输的技术。解决方案：FIR滤波器装置6中的延迟元件的延迟时间不是简单地调整为T的整数时间或T / 2的整数时间，而是调整到D的整数时间或T的整数时间最接近D的整数时间.D是由每个光接收机2接收的光信号的组延迟差，T是由每个光发射机1接收的光信号的一个符号时间。由于只有有助于补偿的光圈剩余组延迟差异，FIR滤波器装置6中的抽头数量减少，计算时间缩短，并且在使用光MIMO技术的光纤传输中实现长距离传输。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012222733A Skew reduction method and optical transmission system 有权
标题翻译： SKEW减少方法和光传输系统
公开(公告)号：JP2012222733A
公开(公告)日：2012-11-12
申请号：JP2011089131
申请日：2011-04-13
申请人： Fujitsu Ltd , 富士通株式会社
发明人： TANAKA TOSHIKI , NISHIHARA MASATO
IPC分类号： H04B10/18 , H04B10/02 , H04B10/04 , H04B10/06 , H04B10/142 , H04B10/152 , H04J14/00 , H04J14/04 , H04J14/06
CPC分类号： H04B10/5055 , H04B2210/254
摘要： PROBLEM TO BE SOLVED: To provide a method for reducing skews in an optical transmitter and an optical receiver separately.SOLUTION: In an optical transmission system having a transmitter and a receiver to transmit and receive an optical signal including a first and a second channel, a skew reduction method involves reducing a skew between the first and the second channels; increasing the dispersion added to the optical signal to make it greater than a prescribed amount; controlling a delay time on at least one side of the first and the second channels in the receiver on the basis of the quality of an optical signal monitored in the receiver, so that the skew in the receiver between the first and the second channels is reduced; and controlling a delay time on at least one side of the first and the second channels in the transmitter on the basis of the quality of the optical signal, so that the skew in the transmitter between the first and the second channels is reduced.
摘要翻译：要解决的问题：提供分别降低光发射机和光接收机中的偏斜的方法。解决方案：在具有用于发送和接收包括第一和第二信道的光信号的发射机和接收机的光传输系统中，偏斜减少方法涉及减少第一和第二信道之间的偏斜; 增加添加到光信号中的色散使其大于规定量; 基于在接收机中监视的光信号的质量，控制接收机中第一和第二信道的至少一侧的延迟时间，使得第一和第二信道之间接收机中的偏斜减小 ; 并且基于光信号的质量来控制发射机中的第一和第二信道的至少一侧的延迟时间，使得第一和第二信道之间的发射机中的偏斜减小。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012217199A Transmission device, transmission method, and optical transmission system 审中-公开
标题翻译：传输设备，传输方法和光传输系统
公开(公告)号：JP2012217199A
公开(公告)日：2012-11-08
申请号：JP2012143946
申请日：2012-06-27
申请人： Fujitsu Ltd , 富士通株式会社
发明人： TAKAHASHI TSUKASA
IPC分类号： H04B10/18 , H04B10/08 , H04J14/00 , H04J14/02
摘要： PROBLEM TO BE SOLVED: To efficiently search a suitable compensation dispersion amount.SOLUTION: A transmission device 110 comprises a transmitter 111 and a bit rate control part 112. The transmitter 111 transmits signal light to a reception device 120. The bit rate control part 112 sets a bit rate of the signal light transmitted by the transmitter 111 to a bit rate lower than an operation bit rate when data communication is performed, the reception device 120 controls a dispersion amount in dispersion compensation with respect to the signal light based on the signal light of a low bit rate, and then sets the bit rate of the signal light to be the operation bit rate. Moreover, the bit rate control part 112 controls the bit rate of the signal light by changing the repetition number of a bit signal string in the signal light.
摘要翻译：要解决的问题：有效地搜索合适的补偿分散量。解决方案：发送装置110包括发送器111和比特率控制部分112.发送器111向接收装置120发送信号光。比特率控制部分112设置由发送器111发送的信号光的比特率发送器111的比特率低于执行数据通信时的操作比特率时，接收装置120基于低比特率的信号光控制相对于信号光的色散补偿中的色散量，然后将信号光的比特率为操作比特率。此外，比特率控制部112通过改变信号光中的比特信号串的重复次数来控制信号光的比特率。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012204978A Multiplex signal transmission system, transmitter, receiver, and multiplex signal transmission method 审中-公开
标题翻译：多信号信号传输系统，发射机，接收机和多信号信号传输方法
公开(公告)号：JP2012204978A
公开(公告)日：2012-10-22
申请号：JP2011066107
申请日：2011-03-24
申请人： Mitsubishi Rayon Co Ltd , 三菱レイヨン株式会社
发明人： FUJIKURA NOBORU , YOSHIMURA TOMOYA
IPC分类号： H04B10/18 , H04B7/04 , H04B10/02 , H04J99/00
摘要： PROBLEM TO BE SOLVED: To provide a multiplex signal transmission system, a transmitter, a receiver, and a multiplex signal transmission method, capable of realizing a signal estimation of high quality by using a ZF method as a signal estimation method.SOLUTION: A transmitter 100 includes a plurality of light emitting elements 103 and 104 which convert an electric signal to an optical signal based on an input signal level value and transmit it through a sheet-like optical transmission medium 10, and a transmission control part 101 which turns on the plurality of light emitting elements for transmitting the optical signal. A receiver 200 includes a plurality of light receiving elements 201 and 202 which receive the optical signal that has been transmitted and convert it to an electric signal, a transmission function calculating part 203 which calculates a transmission function using the information that is based on the optical signal level values which the plurality of light receiving elements have received through the optical transmission medium as well as the information that is based on the input signal level value into the light emitting elements, and a reception signal estimating part 204 which estimates an input signal level value into the plurality of light emitting elements by using the transmission function calculated by the transfer function calculating part and the electric signal level value having been converted by the plurality of light receiving elements.
摘要翻译：要解决的问题：提供一种能够通过使用ZF方法作为信号估计方法来实现高质量的信号估计的多路复用信号传输系统，发射机，接收机和复用信号传输方法。发射机100包括多个发光元件103和104，它们基于输入信号电平值将电信号转换成光信号，并通过片状光传输介质10传输它们，并且传输控制部101，其接通用于发送光信号的多个发光元件。接收器200包括接收已发送的光信号并将其转换为电信号的多个光接收元件201和202，发送功能计算部203，其使用基于光学信号的信息来计算发送功能多个光接收元件通过光传输介质接收的信号电平值以及基于输入信号电平值的信息到发光元件中的信息;以及接收信号估计部204，其估计输入信号电平通过使用由传递函数计算部分计算出的发送函数和由多个光接收元件转换的电信号电平值，将其输入到多个发光元件中。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2012195944A System and method for reducing interference of polarization multiplexed signal 有权
标题翻译：用于减少偏振多重信号干扰的系统和方法
公开(公告)号：JP2012195944A
公开(公告)日：2012-10-11
申请号：JP2012062866
申请日：2012-03-19
申请人： Fujitsu Ltd , 富士通株式会社
发明人： IZUMI FUTOSHI
IPC分类号： H04B10/18 , H04B10/02 , H04J14/00 , H04J14/02 , H04J14/04 , H04J14/06
CPC分类号： H04B10/532 , H04B10/2572 , H04B10/614
摘要： PROBLEM TO BE SOLVED: To reduce disadvantages and problems associated with polarization dependent effects of a polarization multiplexed optical signal through polarization scrambling.SOLUTION: A method for detecting polarization scrambling of a polarization multiplexed optical signal comprises receiving a polarization multiplexed optical signal associated with an optical network. The polarization multiplexed optical signal includes a scrambled polarization orientation. The polarization orientation is scrambled according to a scrambling frequency. The method further comprises receiving a polarization signal indicating the polarization scrambling of the received optical signal. The method additionally comprises descrambling the optical signal according to the polarization scrambling as indicated by the polarization signal.

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