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1. 发明申请

US20050089336A1 Metro wavelength division multiplexing network 审中-公开
标题翻译：城域波分复用网络
公开(公告)号：US20050089336A1
公开(公告)日：2005-04-28
申请号：US10847059
申请日：2004-05-17
申请人： Seong-Taek Hwang , Gyu-Woong Lee , Dong-Han Lee , Yun-Je Oh
发明人： Seong-Taek Hwang , Gyu-Woong Lee , Dong-Han Lee , Yun-Je Oh
IPC分类号： G02F1/35 , H01S3/06 , H01S3/067 , H01S3/23 , H01S3/30 , H04B10/25 , H04B10/294 , H04J14/00 , H04J14/02 , H04B10/02
CPC分类号： H04B10/2916 , H04B10/2914 , H04J14/0221
摘要： A metro wavelength division multiplexing network is disclosed and includes a plurality of optical repeaters, connected through an optical-fiber link, each of the optical repeaters having a Raman-gain medium for Raman-amplifying an inputted optical signal, and a semiconductor optical amplifier for amplifying the Raman-amplified optical signal, wherein each of the optical repeaters accepts a pump light having a designated wavelength for pumping the corresponding Raman-gain medium.
摘要翻译：公开了一种城域波分复用网络，包括通过光纤链路连接的多个光中继器，每个光中继器具有用于拉曼放大输入的光信号的拉曼增益介质，以及用于放大拉曼放大的光信号，其中每个光中继器接收具有指定波长的泵浦光以泵送对应的拉曼增益介质。

2. 发明授权

US07653039B2 Network system for interworking W-LAN and 3G mobile communication network through RoF link and authentication method according to interworking in the network system 失效
标题翻译：网络系统通过RoF链路和网络系统互通的认证方式互联W-LAN和3G移动通信网络
公开(公告)号：US07653039B2
公开(公告)日：2010-01-26
申请号：US11356822
申请日：2006-02-17
申请人： Gyu-Woong Lee , Kwan-Soo Lee , Chang-Sup Shim , Yun-Je Oh , Jae-Hoon Lee , Seong-Taek Hwang
发明人： Gyu-Woong Lee , Kwan-Soo Lee , Chang-Sup Shim , Yun-Je Oh , Jae-Hoon Lee , Seong-Taek Hwang
IPC分类号： H04W4/00
CPC分类号： H04W92/02 , H04B10/2575 , H04L63/08 , H04W12/06 , H04W84/04 , H04W84/12 , H04W88/08 , H04W88/085
摘要： A network system for interworking a Wireless Local Area Network (W-LAN) and a 3rd-Generation (3G) mobile communication network through a Radio-over-Fiber(RoF) link and an authentication method in interworking in the network system are provided. The network system includes a 3G mobile communication network and a W-LAN system. The 3G mobile communication network includes a voice signal processing network connected to a Public Switched Telephone Network (PSTN) for voice call processing with respect to a predetermined mobile terminal, a packet data network for data communication with the predetermined mobile terminal, and a terminal device for communication with the predetermined mobile terminal. The W-LAN system is connected to the packet data network of the 3G mobile communication network to provide a W-LAN service to the predetermined mobile communication terminal. The W-LAN system is implemented in a plurality of Base Transceiver Stations (BTSs) included in the 3G mobile communication network through the RoF link.
摘要翻译：提供了一种用于通过光纤无线（RoF）链路互通无线局域网（W-LAN）和第三代（3G）移动通信网络的网络系统，以及在网络系统中互通的认证方法。网络系统包括3G移动通信网络和W-LAN系统。 3G移动通信网络包括连接到公共交换电话网（PSTN）的语音信号处理网络，用于相对于预定移动终端进行语音呼叫处理，用于与预定移动终端进行数据通信的分组数据网络，以及终端设备用于与预定的移动终端进行通信。 W-LAN系统连接到3G移动通信网络的分组数据网络，以向预定的移动通信终端提供W-LAN服务。 W-LAN系统通过RoF链路在3G移动通信网络中包括的多个基站收发台（BTS）中实现。

3. 发明授权

US07474858B2 Duobinary optical transmission device using at least one semiconductor optical amplifier 失效
标题翻译：使用至少一个半导体光放大器的二元光传输装置
公开(公告)号：US07474858B2
公开(公告)日：2009-01-06
申请号：US10849070
申请日：2004-05-19
申请人： Han-Lim Lee , Gyu-Woong Lee , Yun-Je Oh , Seong-Taek Hwang
发明人： Han-Lim Lee , Gyu-Woong Lee , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04B10/00
CPC分类号： H04B10/505 , H04B10/5055 , H04B10/508
摘要： A duobinary optical transmission device provides duobinary optical transmission with improved quality by a technique that does not require an electrical low pass filter LPF.A duobinary optical transmission device includes at least one semiconductor optical amplifier (SOA). A light source outputs a carrier wave as an optical signal. A precoder encodes an input of a non-return-to-zero (NRZ) electrical signal. An interferometer type semiconductor optical amplification unit modulates the carrier wave according to a change of an applied bias current coupled to the encoded signal. An optical band pass filter (OBPF) receives the phase-modulated optical signal from the semiconductor optical amplification unit, filters the received phase-modulated optical signal according to a designated band, and outputs an optical duobinary signal.
摘要翻译：双二进制光传输装置通过不需要电气低通滤波器LPF的技术提供具有改进质量的双向光传输。双二进制光传输装置包括至少一个半导体光放大器（SOA）。光源输出载波作为光信号。预编码器对不归零（NRZ）电信号的输入进行编码。干涉仪型半导体光放大单元根据耦合到编码信号的施加的偏置电流的变化来调制载波。光带通滤波器（OBPF）从半导体光放大单元接收相位调制光信号，根据指定频带对接收的相位调制光信号进行滤波，并输出光双二进制信号。

4. 发明授权

US07733825B2 ROF link apparatus capable of stable TDD wireless service 失效
标题翻译：能够稳定TDD无线服务的ROF链路装置
公开(公告)号：US07733825B2
公开(公告)日：2010-06-08
申请号：US11514440
申请日：2006-09-01
申请人： Sang-Ho Kim , Yun-Je Oh , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee , Yong-Gyoo Kim , Dae-Eun Choi
发明人： Sang-Ho Kim , Yun-Je Oh , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee , Yong-Gyoo Kim , Dae-Eun Choi
IPC分类号： H04W4/00 , H04L12/56
CPC分类号： H04W88/085
摘要： A radio over fiber (ROF) link apparatus capable of a stable TDD wireless service for a time division duplexing (TDD) baseband signal includes a central access platform (CAP) for receiving various kinds of data including the TDD baseband signal from upper layers, multiplexing the data, electro-optically converting the multiplexed data, and transmitting the converted data as downstream data through an optical fiber, and opto-electrically converting upstream data received through the optical fiber, demultiplexing the converted upstream data, and transmitting the demultiplexed upstream data to the respective upper layers, and a remote access unit (RAU) for receiving the downstream data through the optical fiber, opto-electrically converting the received downstream data to the multiplexed data, demultiplexing the multiplexed data, performing a wireless access process of the demultiplexed data, and transmitting the wireless access processed data to a wireless local area network (WLAN) service terminal through an antenna.
摘要翻译：能够对TDD时基双工（TDD）基带信号进行稳定的TDD无线业务的无线电光纤（ROF）链路装置包括用于从上层接收包括TDD基带信号的各种数据的中央接入平台（CAP）数据，电光转换多路复用数据，并通过光纤将转换后的数据作为下行数据发送，并对通过光纤接收的上行数据进行光电转换，对转换的上行数据进行解复用，并将解复用的上行数据发送到各自的上层以及用于通过光纤接收下游数据的远程访问单元（RAU），将接收到的下游数据光电转换为多路复用数据，解复用多路复用数据，执行解复用数据的无线接入处理，并将无线接入处理的数据发送到无线局域网（WLAN）服务 e端子通过天线。

5. 发明申请

US20070206953A1 Multi-wavelength bidirectional optical transceiver having monitors 审中-公开
标题翻译：具有监视器的多波长双向光收发器
公开(公告)号：US20070206953A1
公开(公告)日：2007-09-06
申请号：US11701779
申请日：2007-02-02
申请人： Gyu-Woong Lee , Chang-Sup Shim , Yun-Je Oh , Seong-Taek Hwang
发明人： Gyu-Woong Lee , Chang-Sup Shim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04B10/00
CPC分类号： G02B6/4246 , G02B6/29362 , G02B6/4249
摘要： A multi-wavelength bidirectional optical transceiver includes a plurality of optical transmitters for generating and outputting forward optical signals, a plurality of optical receivers for performing optoelectric conversion on reverse optical signals, a band splitter for outputting the forward optical signals that are input from the plurality of optical transmitters to outside the multi-wavelength bidirectional optical transceiver and for outputting reverse optical signals that are input from outside the multi-wavelength bidirectional optical transceiver to the plurality of optical receivers, a power splitter on an optical path between the plurality of optical transmitters and the band splitter for power-splitting the forward optical signals that are input from the plurality of optical transmitters and for outputting portions of the forward optical signals to the band splitter, and a plurality of monitors for performing optoelectric conversion on the remaining portions of the forward optical signals that are input from the band splitter.
摘要翻译：多波长双向光收发器包括用于产生和输出正向光信号的多个光发射机，用于在反光信号上执行光电转换的多个光接收机，用于输出从多个光信号输入的正向光信号的分束器的光发射机到多波长双向光收发器之外并且用于输出从多波长双向光收发器外部输入到多个光接收器的反向光信号;在多个光发射机之间的光路上的功率分配器以及分束器，用于对从多个光发射机输入的正向光信号进行功率分配，并将前向光信号的一部分输出到分束器;以及多个监视器，用于对其中的剩余部分进行光电转换向前从分束器输入的光信号。

6. 发明授权

US07257330B2 Duobinary optical transmission apparatus using a semiconductor optical amplifier 失效
标题翻译：使用半导体光放大器的二元光传输装置
公开(公告)号：US07257330B2
公开(公告)日：2007-08-14
申请号：US10691359
申请日：2003-10-22
申请人： Gyu-Woong Lee , Sung-Kee Kim , Seong-Taek Hwang , Yun-Je Oh
发明人： Gyu-Woong Lee , Sung-Kee Kim , Seong-Taek Hwang , Yun-Je Oh
IPC分类号： H04B10/04 , H04B10/12 , G02F1/01 , G02F1/03
CPC分类号： H04B10/25137 , H04B10/505 , H04B10/5055 , H04B10/5167
摘要： Disclosed is a duobinary optical transmission apparatus using a semiconductor optical amplifier (SOA). The duobinary optical transmission apparatus includes a light source for generating a carrier wave; a duobinary precoder for encoding an input (non return to zero) electric signal; a semiconductor optical amplification unit to amplify the encoded signal from the duobinary precoder, wherein the amplification unit receives an optical amplification gain difference that varies with a bias current combined with the encoded signal; and an optical band pass filter for receiving a phase-modulated optical signal from the semiconductor optical amplification unit, filtering the received optical signal to a prescribed bandwidth, and thereby generates a duobinary optical signal.
摘要翻译：公开了使用半导体光放大器（SOA）的二元光传输装置。二元光传输装置包括用于产生载波的光源; 用于对输入（不归零）电信号进行编码的二进制预编码器; 半导体光放大单元，用于放大来自双二进制预编码器的编码信号，其中放大单元接收随着与编码信号组合的偏置电流而变化的光放大增益差; 以及光学带通滤波器，用于从半导体光放大单元接收相位调制的光信号，将接收到的光信号过滤到规定的带宽，从而产生双二进制的光信号。

7. 发明申请

US20070053311A1 ROF link apparatus capable of stable TDD wireless service 失效
标题翻译：能够稳定TDD无线服务的ROF链路装置
公开(公告)号：US20070053311A1
公开(公告)日：2007-03-08
申请号：US11514440
申请日：2006-09-01
申请人： Sang-Ho Kim , Yun-Je Oh , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee , Yong-Gyoo Kim , Dae-Eun Choi
发明人： Sang-Ho Kim , Yun-Je Oh , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee , Yong-Gyoo Kim , Dae-Eun Choi
IPC分类号： H04J3/00
CPC分类号： H04W88/085
摘要： A radio over fiber (ROF) link apparatus capable of a stable TDD wireless service for a time division duplexing (TDD) baseband signal includes a central access platform (CAP) for receiving various kinds of data including the TDD baseband signal from upper layers, multiplexing the data, electro-optically converting the multiplexed data, and transmitting the converted data as downstream data through an optical fiber, and opto-electrically converting upstream data received through the optical fiber, demultiplexing the converted upstream data, and transmitting the demultiplexed upstream data to the respective upper layers, and a remote access unit (RAU) for receiving the downstream data through the optical fiber, opto-electrically converting the received downstream data to the multiplexed data, demultiplexing the multiplexed data, performing a wireless access process of the demultiplexed data, and transmitting the wireless access processed data to a wireless local area network (WLAN) service terminal through an antenna.
摘要翻译：能够对TDD时基双工（TDD）基带信号进行稳定的TDD无线业务的无线电光纤（ROF）链路装置包括用于从上层接收包括TDD基带信号的各种数据的中央接入平台（CAP）数据，电光转换多路复用数据，并通过光纤将转换后的数据作为下行数据发送，并对通过光纤接收的上行数据进行光电转换，对转换的上行数据进行解复用，并将解复用的上行数据发送到各自的上层以及用于通过光纤接收下游数据的远程访问单元（RAU），将接收到的下游数据光电转换为多路复用数据，解复用多路复用数据，执行解复用数据的无线接入处理，并将无线接入处理的数据发送到无线局域网（WLAN）服务 e端子通过天线。

8. 发明申请

US20060209800A1 Network system for interworking W-LAN and 3G mobile communication network through RoF link and authentication method according to interworking in the network system 失效
标题翻译：网络系统通过RoF链路和网络系统互通的认证方式互联W-LAN和3G移动通信网络
公开(公告)号：US20060209800A1
公开(公告)日：2006-09-21
申请号：US11356822
申请日：2006-02-17
申请人： Gyu-Woong Lee , Kwan-Soo Lee , Chang-Sup Shim , Yun-Je Oh , Jae-Hoon Lee , Seong-Taek Hwang
发明人： Gyu-Woong Lee , Kwan-Soo Lee , Chang-Sup Shim , Yun-Je Oh , Jae-Hoon Lee , Seong-Taek Hwang
IPC分类号： H04L12/66
CPC分类号： H04W92/02 , H04B10/2575 , H04L63/08 , H04W12/06 , H04W84/04 , H04W84/12 , H04W88/08 , H04W88/085
摘要： A network system for interworking a Wireless Local Area Network (W-LAN) and a 3rd-Generation (3G) mobile communication network through a Radio-over-Fiber(RoF) link and an authentication method in interworking in the network system are provided. The network system includes a 3G mobile communication network and a W-LAN system. The 3G mobile communication network includes a voice signal processing network connected to a Public Switched Telephone Network (PSTN) for voice call processing with respect to a predetermined mobile terminal, a packet data network for data communication with the predetermined mobile terminal, and a terminal device for communication with the predetermined mobile terminal. The W-LAN system is connected to the packet data network of the 3G mobile communication network to provide a W-LAN service to the predetermined mobile communication terminal. The W-LAN system is implemented in a plurality of Base Transceiver Stations (BTSs) included in the 3G mobile communication network through the RoF link.
摘要翻译：一种用于通过光纤无线（RoF）链路与无线局域网（W-LAN）和第三代（3G）移动通信网络互通的网络系统，以及认证方法提供了网络系统中的互通。网络系统包括3G移动通信网络和W-LAN系统。 3G移动通信网络包括连接到公共交换电话网（PSTN）的语音信号处理网络，用于相对于预定移动终端进行语音呼叫处理，用于与预定移动终端进行数据通信的分组数据网络，以及终端设备用于与预定的移动终端进行通信。 W-LAN系统连接到3G移动通信网络的分组数据网络，以向预定的移动通信终端提供W-LAN服务。 W-LAN系统通过RoF链路在3G移动通信网络中包括的多个基站收发台（BTS）中实现。

9. 发明授权

US07023534B2 Optical modulating apparatus having bias controller and bias control method 失效
标题翻译：具有偏置控制器和偏置控制方法的光调制装置
公开(公告)号：US07023534B2
公开(公告)日：2006-04-04
申请号：US10883055
申请日：2004-07-01
申请人： Gyu-Woong Lee , Yun-Je Oh , Seong-Taek Hwang
发明人： Gyu-Woong Lee , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： G01N21/00
CPC分类号： H04B10/505 , G02F1/0123 , H04B10/50575 , H04B10/58
摘要： Disclosed are an optical modulating apparatus having a bias controller and a bias control method using the same, which can automatically perform a bias adjust so as to keep the optical output characteristic of an optical modulator constant. The optical modulating apparatus includes an optical modulator to modulate an optical carrier using a bias signal; and a bias controller to adjust the bias signal of the optical modulator by detecting a second harmonic signal of the modulated optical signal, setting a minimum point of the second harmonic signal as a reference bias voltage, and then comparing a magnitude of the second harmonic signal that changes according to an external environment with a magnitude of a signal generated from the reference bias voltage.
摘要翻译：公开了具有偏置控制器和使用该偏置控制器的偏置控制方法的光调制装置，其可以自动执行偏置调整，以保持光调制器的光输出特性恒定。光调制装置包括使用偏置信号调制光载波的光调制器; 以及偏置控制器，通过检测所述调制光信号的二次谐波信号来调整所述光调制器的偏置信号，将所述二次谐波信号的最小点设定为基准偏置电压，然后比较所述二次谐波信号的幅度其根据具有从参考偏置电压产生的信号的大小的外部环境而变化。

10. 发明申请

US20060045525A1 Optical access network of wavelength division method and passive optical network using the same 审中-公开
标题翻译：光接入网络的波分方法和无源光网络使用相同
公开(公告)号：US20060045525A1
公开(公告)日：2006-03-02
申请号：US11199490
申请日：2005-08-08
申请人： Gyu-Woong Lee , Seong-Taek Hwang , Jae-Hoon Lee , Chang-Sup Shim , Yun-Je Oh , Yong-Gyoo Kim , Dae-Kwang Jung
发明人： Gyu-Woong Lee , Seong-Taek Hwang , Jae-Hoon Lee , Chang-Sup Shim , Yun-Je Oh , Yong-Gyoo Kim , Dae-Kwang Jung
IPC分类号： H04J14/00
CPC分类号： H04B10/25753 , H04B10/25752 , H04J14/02 , H04J14/0226 , H04J14/0227 , H04J14/0246 , H04J14/025 , H04J14/0282 , H04J14/0298
摘要： A wavelength division multiplexed optical access network including a central office for multiplexing first optical signals used for transmitting a high-speed wire data service to a subscriber side and second optical signals used for transmitting a wireless data service to a remote subscriber terminal, a remote node connected to the central office through an optical fiber and for de-multiplexing a multiplexed optical signal received from the central office, a plurality of subscribers connected to the remote node, each subscriber receiving a first optical signal having a corresponding wavelength from among the de-multiplexed first optical signals, and a plurality of radio access units connected to the remote node, each radio access unit converting a second optical signal having a corresponding wavelength from among the de-multiplexed second optical signals into a wireless electric signal and wirelessly transmitting the wireless electric signal.
摘要翻译：一种波分多路复用光接入网络，包括用于将用于向用户侧发送高速有线数据业务的第一光信号复用的中心局和用于向远程用户终端发送无线数据业务的第二光信号，远端节点通过光纤连接到中心局，并且对从中心局接收的多路复用的光信号进行去多路复用，多个用户连接到远程节点，每个用户接收到具有相应波长的第一光信号，多路复用的第一光信号和连接到远程节点的多个无线电接入单元，每个无线电接入单元将具有相应波长的第二光信号从解复用的第二光信号中转换成无线电信号，并无线地发送无线电信号。

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