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1. 发明授权

EP1122582B1 Nonlinear optical element 有权
标题翻译：的非线性光学元件
公开(公告)号：EP1122582B1
公开(公告)日：2003-05-02
申请号：EP01102327.2
申请日：2001-02-01
申请人： DDI Corporation , KDD Submarine Cable Systems Inc.
发明人： Usami, Masashi , Tanaka, Hideaki , Nishimura, Kosuke , Tsurusawa, Munefumi , Sakata, Haruhisa
IPC分类号： G02F1/025 , G02F1/35 , G02B6/12
CPC分类号： G02F1/025 , G02B2006/12107 , G02F1/3523 , G02F2001/0157 , G02F2201/307

2. 发明公开

EP1156602A1 METHOD FOR CONTROLLING TRANSMISSION POWER FOR COMMUNICATION SYSTEM 有权
标题翻译： VERFAHREN ZUR REGELUNG DERÜBERTRAGUNGSLEISTUNGFÜREIN KOMMUNIKATIONSSYSTEM
公开(公告)号：EP1156602A1
公开(公告)日：2001-11-21
申请号：EP99959940.0
申请日：1999-12-21
申请人： Hitachi, Ltd. , DDI Corporation
发明人： TSUNEHARA, Katsuhiko Ctr. Res. Lab. Hitachi, Ltd. , YANO, Takashi Ctr. Res. Lab. Hitachi, Ltd. , UTA, Takaki Ctr. Res. Lab., Hitachi, Ltd. , SUZUKI, Toshiro Telecom. System G., Hitachi, Ltd. , SUZUKI, Toshinori c/0 DDI Corporation
IPC分类号： H04B7/26
CPC分类号： H04W52/241 , H04W52/08 , H04W52/10 , H04W52/146 , H04W52/16 , H04W52/246 , H04W52/248 , H04W52/367
摘要： The present invention provides a transmit power controlling method for reducing an influence of incorrect control in a mobile communication system in the CDMA mode.
A likelihood of transmit power controlling signal is generated on the basis of the transmit power controlling signal transmitted by a radio base station and the receiving quality, a variation amount of the transmit power is generated on the basis of the likelihood, and the transmit power of a mobile station is controlled on the basis of the variation amount.
摘要翻译：本发明提供一种用于减少CDMA模式中的移动通信系统中不正确控制的影响的发射功率控制方法。基于由无线基站发送的发送功率控制信号和接收质量来生成发送功率控制信号的可能性，基于似然率生成发送功率的变化量，发送功率控制信号的发送功率基于变化量控制移动台。

3. 发明公开

EP1113596A3 Optical waveform shaper 审中-公开
标题翻译：光波整形
公开(公告)号：EP1113596A3
公开(公告)日：2003-05-14
申请号：EP00128578.2
申请日：2000-12-27
申请人： DDI Corporation , KDD Submarine Cable Systems Inc.
发明人： Edagawa, Noboru , Suzuki, Masatoshi
IPC分类号： G02F2/00 , H04B10/17
CPC分类号： H04B10/299
摘要： An optical waveform shaper comprising a probe light source for generating probe light with a constant amplitude, a signal copier being applied with input signal light of a signal wavelength and the probe light output from the probe light source and for copying the signal of the input signal light onto the probe light, and an extinction ratio improver for improving an extinction ratio of output light from the signal copier.

4. 发明公开

EP1137213A2 Optical TDM multiplexer, optical TDM demultiplexer, WDM/TDM converter and TDM/WDM converter 审中-公开
标题翻译： Optischer TDM多路复用器，Optischer TDM解复用器，WDM / TDM Umsetzer和TDM / WDM Umsetzer
公开(公告)号：EP1137213A2
公开(公告)日：2001-09-26
申请号：EP01107260.0
申请日：2001-03-23
申请人： DDI Corporation , KDD Submarine Cable Systems Inc.
发明人： Suzuki, Masatoshi , Edagawa, Noboru
IPC分类号： H04J14/02 , H04J14/08
CPC分类号： H04J14/0223 , H04J14/08
摘要： An optical TDM multiplexing apparatus to multiplex a plurality of input signals in the optical stage in the time domain according to the invention comprise a plurality of signal light sources to generate optical signals each having a wavelength different from the others to carry each of the plurality of the input signals, a timing adjuster to adjust timings between the respective optical signals so that each optical signal output from the plurality of the signal light sources is disposed on a time slot different from the others in the time domain, an optical multiplexer to multiplex each optical signal output from the timing adjuster in the wavelength domain and a wavelength converter to convert each wavelength of the output light from the optical multiplexer into a predetermined wavelength.
摘要翻译：根据本发明的用于在时域中复用多个输入信号的光TDM复用装置包括多个信号光源，以产生每个具有不同于其他波长的波长的光信号，以携带多个输入信号，定时调整器，用于调整各个光信号之间的定时，使得从多个信号光源输出的每个光信号在时域上设置在与其他信号光源不同的时隙上;光复用器，从波长域中的定时调节器输出的光信号和波长转换器，用于将来自光复用器的输出光的每个波长转换成预定波长。

5. 发明公开

EP1109337A2 Chromatic dispersion compensator, optical receiver and optical receiving terminal 审中-公开
标题翻译： Farbzerstreuungskompensator，optischerEmpfängerund optischesEmpfangsendgerät
公开(公告)号：EP1109337A2
公开(公告)日：2001-06-20
申请号：EP00126871.3
申请日：2000-12-07
申请人： DDI Corporation , KDD Submarine Cable Systems Inc.
发明人： Tanaka, Hideaki c/o KDD R&D Laboratories Inc. , Usami, Masashi c/o KDD R&D Laboratories Inc. , Tanaka, Shinsuke c/o KDD R&D Laboratories Inc.
IPC分类号： H04B10/18
CPC分类号： H04B10/25133 , H04B2210/252
摘要： An chromatic dispersion compensator according to the invention is composed of a wavelength converter for converting a wavelength of a lightwave carrying an input signal into a conversion wavelength, a wavelength dispersion medium for giving different chromatic dispersion according to each wavelength to optical signal of the conversion wavelength output from the wavelength converter, a photodetector for converting optical signal of the conversion wavelength output from the chromatic dispersion medium into an electric signal, and a controller for controlling the conversion wavelength for a predetermined component in the output of the photodetector. In optical receivers, input signal light is transmitted through the above chromatic dispersion compensator and then demodulated into a data. In an optical receiving terminal, a wavelength demultiplexer demultiplexes wavelength division multiplexed optical signals input from an optical transmission line into predetermined individual wavelengths, and the above chromatic dispersion compensator is disposed at one of the optical receivers which respectively processes the optical signals of the wavelengths demultiplexed by the wavelength demultiplexer.
摘要翻译：根据本发明的色散补偿器由用于将携带输入信号的光波的波长转换成转换波长的波长转换器组成，用于根据每个波长将不同色散赋予转换波长的光信号的波长色散介质从波长转换器输出的光检测器，用于将从色散介质输出的转换波长的光信号转换成电信号的光检测器，以及用于控制光检测器的输出中的预定分量的转换波长的控制器。在光接收机中，输入信号光通过上述色散补偿器传输，然后解调成数据。在光接收终端中，波长解复用器将从光传输线输入的波分复用光信号解复用为预定的各个波长，并且将上述色散补偿器配置在光接收器之一，分别处理解复用的波长的光信号由波长解复用器。

6. 发明公开

EP1130797A3 Base station apparatus, mobile communication system, and method of controlling transmission power 有权
标题翻译：基站装置，发送功率控制的移动通信系统和方法
公开(公告)号：EP1130797A3
公开(公告)日：2003-01-15
申请号：EP00310620.0
申请日：2000-11-30
申请人： Hitachi, Ltd. , DDI Corporation
发明人： Nakahara, Nauhito c/o Hitacht Ltd., Int.Prop.Gr. , Ishida, Yuuji c/o Hitachi Ltd., Int.Prop.Gr. , Tsubaki, Naoki c/o Hitachi Ltd., Int.Prop.Gr. , Saito, Joichi c/o Hitachi Ltd., Int. Prop. Gr. , Suzuki, Toshinori c/o DDI Corporation , Takeuchi, Yoshio c/o DDI Corporation , Niida, Sumaru c/o DDI Corporation
IPC分类号： H04B7/005 , H04B17/00
CPC分类号： H04W52/24 , H04W52/08 , H04W52/12
摘要： A base station apparatus, a mobile radio system, and a transmission power control method that can perform transmission power control having the high interference suppressing effect with a smaller processing delay are provided. The base station apparatus comprises: a measurement part for measuring SIRs of a received signal subjected to interference suppression by an interference suppressing receiving circuit in a former stage in an interference suppressing receiving part of the radio base station apparatus, and of a received signal subjected to interference suppression by an interference suppressing receiving circuit in a later stage; a calculation part for calculating a correction SIR based on the obtained SIRs, and for estimating a transmission power control SIR from a current first stage SIR and a past correction SIR; and a signal generator for generating a transmission power control signal by comparing the transmission power control SIR and a target SIR. Control of transmission power of a mobile station is performed by transmitting this transmission power control signal to the mobile station.

7. 发明公开

EP1137213A3 Optical TDM multiplexer, optical TDM demultiplexer, WDM/TDM converter and TDM/WDM converter 审中-公开
标题翻译：光学TDM复用器，光学多路分解器TDM，WDM / TDM转换器和TDM / WDM转换器
公开(公告)号：EP1137213A3
公开(公告)日：2002-12-18
申请号：EP01107260.0
申请日：2001-03-23
申请人： DDI Corporation , KDD Submarine Cable Systems Inc.
发明人： Suzuki, Masatoshi , Edagawa, Noboru
IPC分类号： H04J14/02 , H04J14/08
CPC分类号： H04J14/0223 , H04J14/08
摘要： An optical TDM multiplexing apparatus to multiplex a plurality of input signals in the optical stage in the time domain according to the invention comprise a plurality of signal light sources to generate optical signals each having a wavelength different from the others to carry each of the plurality of the input signals, a timing adjuster to adjust timings between the respective optical signals so that each optical signal output from the plurality of the signal light sources is disposed on a time slot different from the others in the time domain, an optical multiplexer to multiplex each optical signal output from the timing adjuster in the wavelength domain and a wavelength converter to convert each wavelength of the output light from the optical multiplexer into a predetermined wavelength.

8. 发明公开

EP1130824A2 Optical transmission line with Raman amplification 审中-公开
标题翻译： OptischeÜbertragungsleitungmitRamanverstärkung
公开(公告)号：EP1130824A2
公开(公告)日：2001-09-05
申请号：EP01103368.5
申请日：2001-02-13
申请人： DDI Corporation , KDD Submarine Cable Systems Inc.
发明人： Miyakawa, Takayuki , Suzuki, Masatoshi , Edagawa, Noboru
IPC分类号： H04B10/17
CPC分类号： H04B10/2916 , H04B2210/003
摘要： An optical fiber (12a) with a large effective core area and a large chromatic dispersion value is disposed on an input side of signal light, and an optical fiber (12b) with a small effective core area and a small chromatic dispersion value or a chromatic dispersion value of negative polarity is disposed on an output side of the signal light. A pumping light source (14) generates pumping light of 1450 nm to cause Raman amplification of 1550 nm in the optical fiber (12b). The output light from the pumping light source (14) enters the optical fiber (12b) from the back through a WDM optical coupler (16). Provided that y=(Pin-α)/(Pp · 10 Log L) where input power of the optical fiber (12a) (i.e. output power of an optical transmitter (10)) is Pin, a total loss of the optical fibers (12a and 12b) is α, pumping power for Raman amplification is Pp, and a total length of the optical fibers (12a and 12b) is L, the relation between ratio x (0≤x≤1) of the optical fiber (12b) and y is expressed as y=6.63x10 -2 x-0.077. Here, the satisfactory x value is in a range from +0.2 to -0.2 of the y value.
摘要翻译：在信号光的输入侧设置具有大的有效核心区域和大的色散值的光纤（12a），具有小的有效核心区域和小的色散值或色度的光纤（12b）负极性的色散值设置在信号光的输出侧。泵浦光源（14）产生1450nm的泵浦光，以在光纤（12b）中引起1550nm的拉曼放大。来自泵浦光源（14）的输出光通过WDM光耦合器（16）从背面进入光纤（12b）。假设光纤（12a）的输入功率（即，光发射器（10）的输出功率）为Pin）的y =（Pin-alpha）/（Pp.10RlogL），光纤的总损耗 12a和12b）为α，用于拉曼放大的泵浦功率为Pp，光纤（12a和12b）的总长度为L，光纤（12b）的比率x（0≤x≤1） y表示为y = 6.63×10 -2 x-0.077。这里，满意的x值在y值的+0.2〜-0.2的范围内。

9. 发明公开

EP1130797A2 Base station apparatus, mobile communication system, and method of controlling transmission power 有权
标题翻译： Basisstationsvorrichtung，Mobilkommunikationssystem und Verfahren zur Sendeleistungsregelung
公开(公告)号：EP1130797A2
公开(公告)日：2001-09-05
申请号：EP00310620.0
申请日：2000-11-30
申请人： Hitachi, Ltd. , DDI Corporation
发明人： Nakahara, Nauhito c/o Hitacht Ltd., Int.Prop.Gr. , Ishida, Yuuji c/o Hitachi Ltd., Int.Prop.Gr. , Tsubaki, Naoki c/o Hitachi Ltd., Int.Prop.Gr. , Saito, Joichi c/o Hitachi Ltd., Int. Prop. Gr. , Suzuki, Toshinori c/o DDI Corporation , Takeuchi, Yoshio c/o DDI Corporation , Niida, Sumaru c/o DDI Corporation
IPC分类号： H04B7/005
CPC分类号： H04W52/24 , H04W52/08 , H04W52/12
摘要： A base station apparatus, a mobile radio system, and a transmission power control method that can perform transmission power control having the high interference suppressing effect with a smaller processing delay are provided. The base station apparatus comprises: a measurement part for measuring SIRs of a received signal subjected to interference suppression by an interference suppressing receiving circuit in a former stage in an interference suppressing receiving part of the radio base station apparatus, and of a received signal subjected to interference suppression by an interference suppressing receiving circuit in a later stage; a calculation part for calculating a correction SIR based on the obtained SIRs, and for estimating a transmission power control SIR from a current first stage SIR and a past correction SIR; and a signal generator for generating a transmission power control signal by comparing the transmission power control SIR and a target SIR. Control of transmission power of a mobile station is performed by transmitting this transmission power control signal to the mobile station.
摘要翻译：提供了能够以较小的处理延迟进行具有高干扰抑制效果的发送功率控制的基站装置，移动无线电系统以及发送功率控制方法。基站装置包括：测量部，用于测量由无线基站装置的干扰抑制接收部分中的前级的干扰抑制接收电路进行了干扰抑制的接收信号的SIR，以及经受后级干扰抑制接收电路的干扰抑制; 计算部分，用于基于所获得的SIR来计算校正SIR，并且用于从当前第一阶段SIR和过去校正SIR估计发送功率控制SIR; 以及信号发生器，用于通过比较发送功率控制SIR和目标SIR来产生发送功率控制信号。通过将该发送功率控制信号发送到移动台来进行移动台的发送功率的控制。

10. 发明公开

EP1130824A3 Optical transmission line with Raman amplification 审中-公开
标题翻译：使用拉曼放大光传输线
公开(公告)号：EP1130824A3
公开(公告)日：2004-09-29
申请号：EP01103368.5
申请日：2001-02-13
申请人： DDI Corporation , KDD Submarine Cable Systems Inc.
发明人： Miyakawa, Takayuki , Suzuki, Masatoshi , Edagawa, Noboru
IPC分类号： H04B10/17 , H04B10/18
CPC分类号： H04B10/2916 , H04B2210/003
摘要： An optical fiber (12a) with a large effective core area and a large chromatic dispersion value is disposed on an input side of signal light, and an optical fiber (12b) with a small effective core area and a small chromatic dispersion value or a chromatic dispersion value of negative polarity is disposed on an output side of the signal light. A pumping light source (14) generates pumping light of 1450 nm to cause Raman amplification of 1550 nm in the optical fiber (12b). The output light from the pumping light source (14) enters the optical fiber (12b) from the back through a WDM optical coupler (16). Provided that y=(Pin-α)/(Pp · 10 Log L) where input power of the optical fiber (12a) (i.e. output power of an optical transmitter (10)) is Pin, a total loss of the optical fibers (12a and 12b) is α, pumping power for Raman amplification is Pp, and a total length of the optical fibers (12a and 12b) is L, the relation between ratio x (0≤x≤1) of the optical fiber (12b) and y is expressed as y=6.63x10 -2 x-0.077. Here, the satisfactory x value is in a range from +0.2 to -0.2 of the y value.

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