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1. 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。

2. 发明申请

US20070147273A1 ROF link system for supporting various services 有权
标题翻译： ROF链路系统支持各种业务
公开(公告)号：US20070147273A1
公开(公告)日：2007-06-28
申请号：US11633838
申请日：2006-12-05
申请人： Han-Lim Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Jae-Hoon Lee , Yong-Gyoo Kim , Sang-Ho Kim , Sung-Kee Kim
发明人： Han-Lim Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Jae-Hoon Lee , Yong-Gyoo Kim , Sang-Ho Kim , Sung-Kee Kim
IPC分类号： H04J3/00
CPC分类号： H04B10/25758 , H04H20/69 , H04H20/71 , H04W88/085 , H04W88/10
摘要： Disclosed is a radio-over-fiber (ROF) system for supporting various services, the system comprising: a central access platform (CAP) for providing time division duplexing (TDD), frequency division duplexing (FDD), and broadcasting services, converting a TDD downward signal and FDD/broadcasting downward signals into optical signals, respectively, transmitting the converted optical signals to a remote access unit (RAU), converting a TDD upward signal and an FDD upward signal, which have been transmitted as optical signals from the RAU, into electric signals, respectively, and using an optical circulator in order to separate upward and downward signals from each other; and the RAU for converting the TDD downward signal and FDD/broadcasting downward signals transmitted from the CAP into electric signals, respectively, converting the TDD upward signal and FDD upward signal to be transmitted to the CAP into optical signals, respectively, and using an optical circulator in order to separate upward and downward signals from each other, wherein the RAU includes a plurality of signal filtering/separating/combining units, which wirelessly emit the TDD downward signal and FDD/broadcasting downward signals, having been converted into electric signals, through an antenna, and which separate wirelessly-received TDD upward signal and FDD upward signal from each other.
摘要翻译：公开了用于支持各种业务的无线电光纤（ROF）系统，该系统包括：用于提供时分双工（TDD），频分双工（FDD）和广播服务的中央接入平台（CAP） TDD向下信号和FDD /广播向下信号分别转换成光信号，将转换后的光信号发送到远程接入单元（RAU），转换已经作为光信号从RAU发送的TDD上行信号和FDD向上信号分别变成电信号，并使用光循环器，以便彼此分离上下信号; 以及分别将从CAP发送的TDD向下信号和FDD /广播向下信号转换成电信号的RAU，分别将TDD向上信号和FDD向上信号转换为发送到CAP的光信号，并使用光循环器，以便彼此分离上下信号，其中RAU包括多个信号滤波/分离/组合单元，其经过转换成电信号无线地发射TDD向下信号和FDD /广播向下信号，通过天线，并且将无线接收的TDD上行信号和FDD上行信号彼此分离。

3. 发明申请

US20060110168A1 Return-to-zero alternative-mark-inversion optical transmitter and method for generating return-to-zero alternative-mark-inversion optical signal using the same 失效
标题翻译：返回到零的替代标记反转光发射机和使用其的归零替代标记反转光信号的方法
公开(公告)号：US20060110168A1
公开(公告)日：2006-05-25
申请号：US11224410
申请日：2005-09-12
申请人： Yong-Gyoo Kim , Kwan-Soo Lee , Chang-Sup Shim , Jae-Hoon Lee , Seong-Taek Hwang
发明人： Yong-Gyoo Kim , Kwan-Soo Lee , Chang-Sup Shim , Jae-Hoon Lee , Seong-Taek Hwang
IPC分类号： H04B10/04
CPC分类号： H04B10/5055 , H04B10/505 , H04B10/5051 , H04B10/5162 , H04B10/5167
摘要： An optical transmitter for generating return-to-zero alternative-mark-inversion (RZ-AMI) optical signals and a method for generating the optical signals are provided. The optical transmitter includes a light source radiating at its output an intensity-modulated light beam based upon intensity of a first data, a precoder for precoding a second data having the information identical to the first data, and a Mach Zehnder modulator for phase-modulating the intensity-modulated light on basis of the precoded second data to generate a return-to-zero alternative-mark-inversion (RZ-AMI) optical signal.
摘要翻译：提供了一种用于产生归零替代标记反转（RZ-AMI）光信号的光发射机和用于产生光信号的方法。所述光发射机包括：光源，其基于第一数据的强度在其输出处辐射强度调制光束;预编码器，用于对具有与第一数据相同信息的第二数据进行预编码;以及用于相位调制的马赫曾德调制器基于预编码的第二数据的强度调制光，以产生返回到零替代标记反转（RZ-AMI）光信号。

4. 发明授权

US08189546B2 Data transmission/reception method for multicast and broadcast service in broadband wireless access system 有权
标题翻译：宽带无线接入系统中组播广播业务的数据发送/接收方法
公开(公告)号：US08189546B2
公开(公告)日：2012-05-29
申请号：US11946985
申请日：2007-11-29
申请人： Sung-Kee Kim , Do-In Choi , Yong-Gyoo Kim , Seong-Taek Hwang
发明人： Sung-Kee Kim , Do-In Choi , Yong-Gyoo Kim , Seong-Taek Hwang
IPC分类号： H04W4/00
CPC分类号： H04L1/008 , H04L5/0007 , H04L5/0037 , H04L5/0053 , H04L27/2602 , H04L2001/0093 , H04W4/06
摘要： Disclosed is a data transmission method for an MBS in a broadband wireless access system. The method includes the steps of constructing a Wibro frame by adding an FEC zone to a downlink portion of the Wibro frame by a radio access station, the FEC zone containing an FEC packet for performing a packet-based FEC scheme; and transmitting data to a plurality of mobile stations by the radio access station, the Wibro frame constructing the data.
摘要翻译：公开了一种用于宽带无线接入系统中的MBS的数据传输方法。该方法包括以下步骤：通过无线电接入站向Wibro帧的下行链路部分添加FEC区域来构造Wibro帧，该FEC区域包含用于执行基于分组的FEC方案的FEC分组; 以及由无线电接入站，构成数据的Wibro帧向多个移动台发送数据。

5. 发明授权

US07450861B2 Return-to-zero alternative-mark-inversion optical transmitter and method for generating return-to-zero alternative-mark-inversion optical signal using the same 失效
标题翻译：返回到零的替代标记反转光发射机和使用其的归零替代标记反转光信号的方法
公开(公告)号：US07450861B2
公开(公告)日：2008-11-11
申请号：US11224410
申请日：2005-09-12
申请人： Yong-Gyoo Kim , Kwan-Soo Lee , Chang-Sup Shim , Jae-Hoon Lee , Seong-Taek Hwang
发明人： Yong-Gyoo Kim , Kwan-Soo Lee , Chang-Sup Shim , Jae-Hoon Lee , Seong-Taek Hwang
IPC分类号： H04B10/12
CPC分类号： H04B10/5055 , H04B10/505 , H04B10/5051 , H04B10/5162 , H04B10/5167
摘要： An optical transmitter for generating return-to-zero alternative-mark-inversion (RZ-AMI) optical signals and a method for generating the optical signals are provided. The optical transmitter includes a light source radiating at its output an intensity-modulated light beam based upon intensity of a first data, a precoder for precoding a second data having the information identical to the first data, and a Mach Zehnder modulator for phase-modulating the intensity-modulated light on basis of the precoded second data to generate a return-to-zero alternative-mark-inversion (RZ-AMI) optical signal.
摘要翻译：提供了一种用于产生归零替代标记反转（RZ-AMI）光信号的光发射机和用于产生光信号的方法。所述光发射机包括：光源，其基于第一数据的强度在其输出处辐射强度调制光束;预编码器，用于对具有与第一数据相同信息的第二数据进行预编码;以及用于相位调制的马赫曾德调制器基于预编码的第二数据的强度调制光，以产生返回到零替代标记反转（RZ-AMI）光信号。

6. 发明授权

US07319818B2 Wavelength-division-multiplexed passive optical network using wavelength-locked optical transmitter 失效
标题翻译：使用波长锁定光发射机的波分复用无源光网络
公开(公告)号：US07319818B2
公开(公告)日：2008-01-15
申请号：US11471152
申请日：2006-06-20
申请人： Jae-Hoon Lee , Yong-Gyoo Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Jae-Hoon Lee , Yong-Gyoo Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04J14/00
CPC分类号： H04J14/0226 , H04J14/02 , H04J14/0246 , H04J14/025 , H04J14/0282
摘要： Disclosed is a wavelength-division-multiplexed passive optical network using a wavelength-locked optical transmitter. The wavelength-division-multiplexed passive optical network (WDM PON) includes a central office, which includes a plurality of downstream optical transmitters for outputting downstream optical signals having wavelengths according to downstream injection lights, a wavelength division multiplexer including a plurality of de-multiplexing ports linked to the plurality of the downstream optical transmitters by one-to-one, and a multiplexing port linked with the feeder fiber and performing wavelength division multiplexing and wavelength division de-multiplexing, and at least one optical switch interposed between the downstream optical transmitters and the de-multiplexing ports, inputting a downstream band light output from a selected downstream optical transmitter to the multiplexing port, and inputting a downstream optical signal output from a remaining downstream optical transmitter, which is not selected, to the de-multiplexing port.
摘要翻译：公开了使用波长锁定光发射机的波分复用无源光网络。波分复用无源光网络（WDM PON）包括中心局，其包括多个下行光发射机，用于输出具有根据下游注入光的波长的下行光信号，波分多路复用器包括多个解复用通过一对一连接到多个下游光发射机的端口，以及与馈电光纤链接并执行波分复用和波分解除复用的复用端口，以及插入在下行光发射机之间的至少一个光开关以及解复用端口，将从所选择的下游光发射机输出的下行带光输入到复用端口，以及将未被选择的剩余下行光发射机输出的下行光信号输入到解复用端口。

7. 发明授权

US07269311B2 Remote antenna unit and wavelength division multiplexing radio-over-fiber network 失效
标题翻译：远程天线单元和波分复用无线光纤网络
公开(公告)号：US07269311B2
公开(公告)日：2007-09-11
申请号：US11398324
申请日：2006-04-04
申请人： Yong-Gyoo Kim , Gyu-Woong Lee , Seong-Taek Hwang
发明人： Yong-Gyoo Kim , Gyu-Woong Lee , Seong-Taek Hwang
IPC分类号： G02B6/26
CPC分类号： H04B10/25755
摘要： Disclosed is a remote antenna unit and a wavelength division multiplexing network. The remote antenna unit includes: an optical circulator having a plurality of ports; an electric field absorption modulator having a first input/output end and a second reflective end, the electric field absorption modulator configured to demodulate an optical signal into a first data signal, and modulate the demodulated optical signal according to a second electric data signal; and a filter disposed between the optical circulator and the electric field absorption modulator, for the filter configured to transmit an optical signal having a particular wavelength from among optical signals input from a port of the optical circulator toward the electric field absorption modulator and reflecting the remaining optical signals into the port of the optical circulator, and inputting the optical signal from the electric field absorption modulator into the port of the optical circulator.
摘要翻译：公开了一种远程天线单元和波分复用网络。远程天线单元包括：具有多个端口的光循环器; 具有第一输入/输出端和第二反射端的电场吸收调制器，所述电场吸收调制器被配置为将光信号解调为第一数据信号，并根据第二电数据信号调制解调的光信号; 以及设置在所述光循环器和所述电场吸收调制器之间的滤波器，所述滤波器被配置为从从所述光循环器的端口向所述电场吸收调制器输入的光信号中发射具有特定波长的光信号，并反射剩余的光信号进入光环行器的端口，并将来自电场吸收调制器的光信号输入光环行器的端口。

8. 发明申请

US20070174889A1 Optical network for bi-directional wireless communication 审中-公开
标题翻译：用于双向无线通信的光网络
公开(公告)号：US20070174889A1
公开(公告)日：2007-07-26
申请号：US11646737
申请日：2006-12-28
申请人： Yong-Gyoo Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Yong-Gyoo Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04N7/173
CPC分类号： H04N7/17318 , H04N21/4886 , H04N21/64322 , H04N21/812 , H04N21/8451
摘要： An optical network is provided. The optical network includes a station to convert a downstream radio frequency (RF) signal to a downstream optical signal and convert an upstream optical signal to an upstream RF signal; and a remote access unit (RAU) to convert the downstream optical signal to a downstream RF signal and to convert the upstream RF signal to the upstream optical signal, wherein the RAU determines a non-transmission band portion on which data is not carried from the downstream RF signal and inputs upstream data in the non-transmission band.
摘要翻译：提供光网络。光网络包括将下行射频（RF）信号转换为下行光信号并将上游光信号转换为上行RF信号的站; 和远程接入单元（RAU），用于将下行光信号转换为下行RF信号，并将上行RF信号转换为上行光信号，其中，RAU确定不传送数据的非传输频带部分下行RF信号并输入非传输频带中的上行数据。

9. 发明申请

US20070133995A1 Remote access unit and radio-over-fiber network using same 失效
标题翻译：远程访问单元和使用相同的光纤网络
公开(公告)号：US20070133995A1
公开(公告)日：2007-06-14
申请号：US11607700
申请日：2006-12-01
申请人： Jae-Hoon Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Yong-Gyoo Kim , Sung-Kee Kim , Han-Lim Lee
发明人： Jae-Hoon Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Yong-Gyoo Kim , Sung-Kee Kim , Han-Lim Lee
IPC分类号： H04B10/00
CPC分类号： H04B10/25758
摘要： A remote access unit (RAU) apparatus, coupled to a central station (CS) of an RoF network through at least one optical fiber, and which RAU apparatus includes at least one antenna, includes: first and second antenna ports coupled to the at least one antenna; first and second optical fiber ports coupled to the at least one optical fiber; a first coupler for decoupling a first downstream signal of a first duplexing method and a second downstream signal of a second duplexing method, which are input through the first optical fiber port; a circulator for outputting the first downstream signal input from the first coupler to the first antenna port and outputting a first upstream signal of the first duplexing method input from the first antenna port to the second optical fiber port; and a second coupler for outputting the second downstream signal input from the first coupler to the second antenna port and outputting a second upstream signal of the second duplexing method input from the second antenna port to the second optical fiber port.
摘要翻译：一种远程接入单元（RAU）装置，其通过至少一个光纤耦合到RoF网络的中心站（CS），并且所述RAU设备包括至少一个天线，包括：耦合到所述至少一个天线的第一和第二天线端口一个天线耦合到所述至少一个光纤的第一和第二光纤端口; 用于去耦第一双工方法的第一下行信号和通过第一光纤端口输入的第二双工方法的第二下行信号的第一耦合器; 输出从第一耦合器输入的第一下行信号到第一天线端口的循环器，并输出从第一天线端口输入到第二光纤端口的第一双工方式的第一上行信号; 以及第二耦合器，用于将从第一耦合器输入的第二下行信号输出到第二天线端口，并输出从第二天线端口输入到第二光纤端口的第二双工方法的第二上行信号。

10. 发明申请

US20060062579A1 Optical network for bi-directional wireless communication 审中-公开
标题翻译：用于双向无线通信的光网络
公开(公告)号：US20060062579A1
公开(公告)日：2006-03-23
申请号：US11202505
申请日：2005-08-12
申请人： Yong-Gyoo Kim , Seong-Taek Hwang
发明人： Yong-Gyoo Kim , Seong-Taek Hwang
IPC分类号： H04B10/00
CPC分类号： H04B10/25758
摘要： An optical network for bi-directional wireless communication is disclosed. The optical network includes a remote antenna unit for converting a downlink optical signal into a downlink radio signal, transmitting the downlink radio signal wirelessly, and converting an uplink radio signal received wirelessly into an uplink optical signal. An optical line is used as a transmission medium of the downlink optical signal and the uplink optical signal. The optical network also includes a central base station including a circulator linked to the remote antenna unit through the optical line, so that the central base station outputs the downlink optical signal to the remote antenna unit through the circulator and detects the uplink optical signal inputted through the circulator.
摘要翻译：公开了一种用于双向无线通信的光网络。该光网络包括用于将下行链路光信号转换为下行链路无线电信号的远程天线单元，以无线方式发送下行链路无线电信号，并将无线接收的上行链路无线电信号转换为上行链路光信号。光线被用作下行光信号和上行光信号的传输介质。光网络还包括中央基站，包括通过光线路连接到远程天线单元的循环器，使得中央基站通过循环器将下行链路光信号输出到远程天线单元，并检测通过循环器。

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