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    • 1. 发明公开
    • 광 기반 통신의 적응성 보 레이트
    • KR20180059815A
    • 2018-06-05
    • KR20187009713
    • 2016-09-15
    • H04B10/116H04B10/079
    • H04B10/116H04B10/07953H04B10/114H04W4/026H04W28/0215
    • 의도된수신장치에대해전송된 LCom 신호를최적화하기위해조명기구의보 레이트를적응적으로조정하기위한광 기반통신(LCom) 기술이개시되어있다. 적응성보 레이트는수신장치의디코딩파라미터들을결정하는단계를포함하는프로세스에의해조정될수 있으며, 상기장치는디스플레이및 LCom 신호들을수신하기위한카메라를포함한다. 상기프로세스는상기디코딩파라미터들에기초하여상기수신장치에적합한보 레이트를계산하는단계와, 상기조명기구에보 레이트가설정되게하는단계를더 포함한다. 상기프로세스는: 상기수신장치에서상기보 레이트를검증하는단계; 상기디코딩파라미터들의현재구성을만족시키기위해보 레이트가조정될수 없다면상기수신장치의상기디코딩파라미터들을조정하는단계; 및카메라의래스터방향에대해조명기구의배향을향상시키기위해사용자에게수신장치를회전시키도록촉구하는단계중 하나이상을더 포함할수 있다.
    • 4. 发明公开
    • 광신호 대 잡음비 검출장치
    • OSNR测量装置
    • KR1020080105675A
    • 2008-12-04
    • KR1020070053544
    • 2007-05-31
    • 포미주식회사
    • 허상휴박창수김태영전시욱
    • H04B10/2507H04B10/07H04B10/2581
    • H04B10/07953H04B10/2507H04B10/2519
    • An OSNR(Optical Signal-to-Noise Ratio) measuring apparatus is provided to accurately measure an optical signal-to-noise ratio by using optical strength and to enable a stable operation without an additional compensating circuit. First and second reflection structures(31,32) reflects an incident light by being arranged with an interval along a first optical path, and a phase variation unit is installed at the first optical path to vary a reflective index. Input light is transferred along the first optical path(40), and a signal separation unit(10) separates the reflected light from the input light and outputs the separated lights. A driving unit(20) controls the variation of reflective index of the phase variation unit, and a processing unit(50) calculates an optical signal-to-noise ratio.
    • 提供了一种OSNR(光信噪比)测量装置,通过使用光强度来精确地测量光信噪比,并且能够在没有附加补偿电路的情况下实现稳定的操作。 第一和第二反射结构(31,32)通过沿着第一光路以间隔布置入射光,并且相位变化单元安装在第一光路处以改变反射率。 输入光沿着第一光路(40)传送,信号分离单元(10)将来自输入光的反射光分离并输出分离的光。 驱动单元(20)控制相位变化单元的反射率的变化,处理单元(50)计算光信噪比。
    • 5. 发明公开
    • 다중파장 광 전송 시스템에서 광 신호 성능 측정 장치 및그 방법
    • 用于测量多波长光学传输系统中的光信号性能的装置及其方法
    • KR1020030048906A
    • 2003-06-25
    • KR1020010078955
    • 2001-12-13
    • 한국전자통신연구원
    • 윤지욱김광준
    • H04B10/07H04B10/25
    • H04B10/07953G01J3/18G01J3/2803G02B6/2706G02B6/2766G02B6/2793G02B6/2931G02B6/29385G02B6/4215H04B10/077H04B10/07955H04B10/07957
    • PURPOSE: A device for measuring optical signal performance in a multiple wavelength optical transmission system is provided to simultaneously measure channel strength of multichannel optical signals, channel wavelength, and optical signal to noise ratios of each channel in real time, thereby minimizing an influence on aberration and maintaining the same f-number. CONSTITUTION: An optical input unit(10) controls spot size of multiple wavelength optical signals, and generates the first multiple wavelength beam. An optical collimating/focusing unit(20) collimates the first multiple wavelength beam, and focuses the second multiple wavelength beam separated by wavelength. A diffraction and reflection unit(70) diffracts and reflects the collimated first multiple wavelength beam, and generates the second multiple wavelength beam in parallel with the collimated first multiple wavelength beam. An optical detector(60) measures strength of the second multiple wavelength beam focused by wavelength.
    • 目的:提供一种用于测量多波长光传输系统中的光信号性能的设备,用于同时测量多通道光信号的通道强度,通道波长以及每个通道的光信噪比,实现最小化对像差的影响 并保持相同的f号码。 构成:光输入单元(10)控制多波长光信号的光斑尺寸,并产生第一多波长光束。 光学准直/聚焦单元(20)对第一多个波长光束进行准直,并且聚焦由波长分离的第二多个波长光束。 衍射和反射单元(70)衍射并反射准直的第一多波长光束,并且与准直的第一多波长光束并行地产生第二多波长光束。 光检测器(60)测量由波长聚焦的第二多波长光束的强度。
    • 6. 发明公开
    • 광전송 시스템에 있어서 광신호 성능 감시 장치
    • 用于监测光信号在光传输系统中的性能的装置
    • KR1020010036791A
    • 2001-05-07
    • KR1019990043943
    • 1999-10-12
    • 주식회사 케이티
    • 이승탁박희상채창준
    • H04B10/07H04B10/25H04B10/2581
    • H04B10/07953H04B10/07955H04J14/02
    • PURPOSE: A device for monitoring the performance of an optical signal in an optical transmission system is provided to respectively measure an average and a distribution in a data on/off for an optical detection signal through a feedback circuit, to detect an extinction ration and a Q-value. And the device is provided to calculate a bit error rate to monitor the performance of the optical signal. CONSTITUTION: An optical signal detection unit(100) converts an optical signal received from an optical path into an electric signal, for detection. Reference voltage detection units(200-500) detect a reference voltage value corresponding to a preset average voltage from the electric signal detected in the optical signal detection unit(100), and feeds back the reference voltage value. A microprocessor(600) calculates an extinction ration, a Q-value and a bit error rate from each reference voltage supplied from the reference voltage detection units(200-500).
    • 目的:提供一种用于监测光传输系统中光信号性能的装置,以分别测量通过反馈电路的光检测信号的数据通/断分布的平均值和分布,以检测消光比和 Q值。 并且提供该装置以计算误码率以监视光信号的性能。 构成:光信号检测单元(100)将从光路接收到的光信号转换为电信号进行检测。 参考电压检测单元(200-500)根据在光信号检测单元(100)中检测到的电信号检测与预设平均电压相对应的参考电压值,并反馈参考电压值。 微处理器(600)从参考电压检测单元(200-500)提供的每个参考电压计算消光比,Q值和误码率。
    • 8. 发明公开
    • 비대칭 마하젠더 간섭계를 이용한 광신호대잡음비모니터링 및 광섬유 절단 검출
    • 使用不对称MACH-ZEHNDER干涉仪进行光信号噪声监测和光纤隔离检测
    • KR1020000049868A
    • 2000-08-05
    • KR1020000023817
    • 2000-05-03
    • 이재승인오시스템 주식회사
    • 이재승
    • H04B10/07H04B10/2581
    • H04B10/07953H04B10/505
    • PURPOSE: An optical signal-to-noise ratio monitoring and an optical fiber interception detection using an asymmetric Mach-Zehnder interferometer, is provided to detect an optical fiber interception, by monitoring the optical signal-to-noise ratio in a CDMA pattern. CONSTITUTION: An optical signal-to-noise ratio monitoring and an optical fiber interception detection using an asymmetric Mach-Zehnder interferometer, is followed below. With a method modulating a phase of one side of path in the interferometer, a path difference is modulated, to monitor the optical signal-to-noise ratio in an optical communication system, and the optical fiber interception is detected. With the method, the path difference is modulated, to measure an optical spectrum in the optical communication system. Further a Michelson interferometer is replaced on the Mach-Zehnder interferometer.
    • 目的:通过监测CDMA模式中的光信噪比,提供使用非对称马赫 - 策德尔干涉仪的光信噪比监测和光纤拦截检测,以检测光纤截取。 规定:使用非对称马赫 - 策德尔干涉仪进行光信噪比监测和光纤拦截检测如下。 通过调制干涉仪中路径一侧的相位的方法,调制路径差,以监视光通信系统中的光信噪比,并检测光纤截取。 利用该方法,对路径差进行调制,以测量光通信系统中的光谱。 此外,迈克尔逊干涉仪在Mach-Zehnder干涉仪上更换。
    • 9. 发明授权
    • 광신호 대 잡음비 검출 방법, 시스템 및 장치
    • 用于检测光信号噪声比的方法系统和装置
    • KR101686364B1
    • 2016-12-13
    • KR1020157009688
    • 2013-07-23
    • 지티이 코포레이션
    • 샹,잉춘센,바이린첸,쥰
    • H04B10/077
    • H04B10/07953H04B10/07H04B10/0775H04B10/2504
    • 본발명은광신호대 잡음비검출방법을제공하였으며, 파장레이블로딩측은광신호에파장레이블신호를로딩하여파장레이블신호의로딩변조깊이를파장레이블채널또는광감시채널을통해광신호대 잡음비(OSNR) 검출측에송신하며, OSNR검출측은각 파장광신호에로딩된파장레이블신호의로딩변조깊이를획득하고, 상기파장레이블신호를해석하여상기파장레이블신호의현재변조깊이를획득하며, 파장레이블신호의로딩변조깊이및 현재변조깊이에의해각 파장광신호의 OSNR값을얻는다. 본발명은또한광신호대 잡음비검출시스템및 장치를개시하였으며, 본발명의기술안은현재의 40G, 100G 등고속광신호의 OSNR테스트에적용되며, 특히편광다중화광신호의 OSNR테스트에적용된다.
    • 一种用于检测光信噪比(OSNR)的方法。 波长标签加载端(11)加载光信号中的波长标签信号,并通过波长标签信道或光学监控信道将波长标签信号的加载调制深度发送到OSNR检测端(12)。 OSNR检测端(12)获得加载在每个波长光信号中的波长标签信号的加载调制深度,解析波长标签信号以获得波长标签信号的当前调制深度,并获得每个波长光学信号的OSNR值 信号根据加载调制深度和波长标签信号的当前调制深度。 用于检测适用于具有40G,100G等高速率的当前光信号的OSNR测试的OSNR的系统和装置,特别是对偏振复用光信号的OSNR测试。
    • 10. 发明公开
    • 광신호 대 잡음비 검출 방법, 시스템 및 장치
    • 用于检测光信号噪声比的方法,系统和装置
    • KR1020150058356A
    • 2015-05-28
    • KR1020157009688
    • 2013-07-23
    • 지티이 코포레이션
    • 샹,잉춘센,바이린첸,쥰
    • H04B10/077
    • H04B10/07953H04B10/07H04B10/0775H04B10/2504
    • 본발명은광신호대 잡음비검출방법을제공하였으며, 파장레이블로딩측은광신호에파장레이블신호를로딩하여파장레이블신호의로딩변조깊이를파장레이블채널또는광감시채널을통해광신호대 잡음비(OSNR) 검출측에송신하며, OSNR검출측은각 파장광신호에로딩된파장레이블신호의로딩변조깊이를획득하고, 상기파장레이블신호를해석하여상기파장레이블신호의현재변조깊이를획득하며, 파장레이블신호의로딩변조깊이및 현재변조깊이에의해각 파장광신호의 OSNR값을얻는다. 본발명은또한광신호대 잡음비검출시스템및 장치를개시하였으며, 본발명의기술안은현재의 40G, 100G 등고속광신호의 OSNR테스트에적용되며, 특히편광다중화광신호의 OSNR테스트에적용된다.
    • 一种用于检测光信噪比(OSNR)的方法。 波长标签加载端(11)加载光信号中的波长标签信号,并通过波长标签信道或光学监控信道将波长标签信号的加载调制深度发送到OSNR检测端(12)。 OSNR检测端(12)获得加载在每个波长光信号中的波长标签信号的加载调制深度,解析波长标签信号以获得波长标签信号的当前调制深度,并获得每个波长光学信号的OSNR值 信号根据加载调制深度和波长标签信号的当前调制深度。 用于检测适用于具有40G,100G等高速率的当前光信号的OSNR测试的OSNR的系统和装置,特别是对偏振复用光信号的OSNR测试。