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11. 发明申请

US20070022460A1 Remote access unit and optical network for bidirectional wireless communication using the same 失效
标题翻译：远程访问单元和光网络，用于双向无线通信
公开(公告)号：US20070022460A1
公开(公告)日：2007-01-25
申请号：US11395806
申请日：2006-03-31
申请人： Yong-Gyoo Kim , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee
发明人： Yong-Gyoo Kim , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Sung-Kee Kim , Han-Lim Lee , Jae-Hoon Lee
IPC分类号： H04N7/173
CPC分类号： H04L5/26 , H04B10/25758 , H04W16/26
摘要： Disclosed is a remote access unit for transmitting and receiving upstream and downstream data in which channels having different transmission scheme are multiplexed, and an optical network for bi-directional wireless communication using same. The remote access unit includes an antenna for receiving the downstream data and wirelessly transmitting same and for receiving the upstream data and providing same to the remote access unit, a switch for outputting downstream time division channels of the downstream data to the antenna and for receiving upstream time division channels of the upstream data from the antenna, and a controller for controlling the switch in order to prevent the upstream and downstream time division channels from overlapping.
摘要翻译：公开了一种用于发送和接收上行和下行数据的远程访问单元，其中具有不同传输方案的信道被复用，以及用于使用其的双向无线通信的光网络。远程接入单元包括：天线，用于接收下行数据并进行无线发送，并用于接收上行数据并将其提供给远程接入单元;开关，用于向下游天线输出下游数据的下行时分信道，并用于接收上游来自天线的上行数据的时分信道，以及用于控制交换机的控制器，以防止上游和下游时分信道重叠。

12. 发明授权

US07796891B2 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：US07796891B2
公开(公告)日：2010-09-14
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： H04B10/00
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。

13. 发明申请

US20080037567A1 Method and apparatus for guaranteeing quality of service in a residential ethernet system 失效
标题翻译：保证住宅以太网系统的服务质量的方法和装置
公开(公告)号：US20080037567A1
公开(公告)日：2008-02-14
申请号：US11891122
申请日：2007-08-09
申请人： Jae-Hun Cho , Seong-Taek Hwang , Hoon Kim , Yun-Je Oh
发明人： Jae-Hun Cho , Seong-Taek Hwang , Hoon Kim , Yun-Je Oh
IPC分类号： H04L12/28
CPC分类号： H04L12/4625 , H04L47/10 , H04L47/13 , H04L47/2408 , H04L47/2441 , H04L47/28 , H04L47/31 , H04L47/50 , H04L47/562
摘要： A method and apparatus for ensuring QoS in a synchronous Ethernet bridge are disclosed, in which a classifier classifies an ingress packet according to a PHB mapped to a DSCP value of the packet and provides the classified packet to one of a predetermined synchronous packet queue and a predetermined asynchronous packet queue, a buffer queue with a plurality of queues mapped to priority levels buffers the classified packet, a marker marks the buffered packet as a synchronous packet or, if the buffered packet is an asynchronous packet, marks the packet in a predetermined format corresponding to a priority level of the packet, and a synchronous Ethernet scheduler schedules the marked packet.
摘要翻译：公开了一种用于确保同步以太网中的QoS的方法和装置，其中分类器根据映射到分组的DSCP值的PHB对入口分组进行分类，并将分类分组提供给预定的同步分组队列和预定的异步分组队列，具有映射到优先级的多个队列的缓冲器队列缓冲分类分组，标记将缓冲分组标记为同步分组，或者如果缓冲分组是异步分组，则以预定格式标记分组对应于分组的优先级，并且同步以太网调度器调度所标记的分组。

14. 发明申请

US20050047785A1 Bi-directional wavelength division multiplexing passive optical network and method for allocating wavelength band 审中-公开
标题翻译：双向波分复用无源光网络和波长带分配方法
公开(公告)号：US20050047785A1
公开(公告)日：2005-03-03
申请号：US10818194
申请日：2004-04-05
申请人： Seong-Taek Hwang , Dae-Kwang Jung , Hoon Kim , Yun-Je Oh , Chang-Sup Shim
发明人： Seong-Taek Hwang , Dae-Kwang Jung , Hoon Kim , Yun-Je Oh , Chang-Sup Shim
IPC分类号： G02B6/42 , H04B10/00 , H04B10/272 , H04J14/00 , H04J14/02 , H04L12/28 , H04L12/44
CPC分类号： H04J14/0282 , G02B6/4246 , H04J14/0226 , H04J14/0246 , H04J14/025 , H04J2014/0253
摘要： A bi-directional WDM-PON and a method for allocating a wavelength band are disclosed. In the bi-directional WDM-PON, bi-directional transceiver modules are used to transmit optical signals of different wavelengths in the upstream and downstream directions. An L-band and an S-band are used to allocate wavelength bands to the upstream and downstream optical signals so that a wavelength band interval at which the respective wavelength bands of the upstream and downstream optical signals are spaced is set between 50 nm to 150 nm.
摘要翻译：公开了双向WDM-PON和分配波长带的方法。在双向WDM-PON中，双向收发模块用于在上行和下行方向传输不同波长的光信号。使用L波段和S波段将波长带分配给上游和下游光信号，使得上游和下游光信号的相应波长带间隔开的波长带间隔设置在50nm至150nm nm。

15. 发明申请

US20080002625A1 Bridged portable internet system and method for processing signal thereof 审中-公开
标题翻译：桥接便携式互联网系统及其信号处理方法
公开(公告)号：US20080002625A1
公开(公告)日：2008-01-03
申请号：US11644575
申请日：2006-12-22
申请人： Jae-Hun Cho , Seong-Taek Hwang , Jong-Ho Yoon , Yun-Je Oh , Hoon Kim , Han-Kyun Jung
发明人： Jae-Hun Cho , Seong-Taek Hwang , Jong-Ho Yoon , Yun-Je Oh , Hoon Kim , Han-Kyun Jung
IPC分类号： H04Q7/00
CPC分类号： H04W8/26 , H04W4/00 , H04W8/005 , H04W40/246 , H04W40/36 , H04W80/04 , H04W88/08
摘要： Disclosed is a bridged portable internet system, which includes: a plurality of edge bridges entirely connected as a mesh structure to form a core network, and configured as a layer 2 switch; a plurality of Radio Access Stations (RASs) connected to one of the plurality of edge bridges to provide portable internet services to Mobile Nodes (MNs) within the range of services; and a Neighbor Discovery Server (NDS) for supporting neighbor discovery of components in the network and storing and managing configuration information of the components, wherein each of the plurality of edge bridges maintains an optimal path through a predetermined routing protocol, identifies the destination of a Media Access Control (MAC) frame transmitted by an MN connected to an edge bridge itself through a corresponding RAS by referring to the configuration information from the NDS so as to transmit a corresponding MAC frame to the MAC address of an edge bridge to which a corresponding CN is connected by performing MAC in MAC encapsulation if receiving a MAC in MAC encapsulated frame with its own MAC address as a destination, and performs MAC in MAC encapsulation with the frame to delete an outer MAC address and to transmit an original MAC frame to a corresponding MN.
摘要翻译：公开了一种桥接便携式互联网系统，其包括：多个边缘网桥，其完全连接为网状结构以形成核心网络，并且被配置为层2交换机; 连接到所述多个边缘网桥之一的多个无线电接入站（RAS），以向所述服务范围内的移动节点（MN）提供便携式因特网服务; 和邻居发现服务器（NDS），用于支持网络中组件的邻居发现，并存储和管理组件的配置信息，其中多个边缘网桥中的每一个维护通过预定路由协议的最佳路径，识别一个通过参考来自NDS的配置信息，通过相应的RAS连接到边缘网桥本身的MN发送的媒体访问控制（MAC）帧，以便将相应的MAC帧发送到对应的边缘网桥的MAC地址，如果以MAC自身的MAC地址为目的地的MAC封装帧中接收到MAC，则MAC通过MAC封装进行MAC连接，并且利用该MAC进行MAC封装，以删除外部MAC地址并将原始MAC帧发送到相应的MN。

16. 发明申请

US20060171721A1 Label remover and label swapper using the same 审中-公开
标题翻译：标签去除器和使用相同的标签交换器
公开(公告)号：US20060171721A1
公开(公告)日：2006-08-03
申请号：US11185108
申请日：2005-07-20
申请人： Sung-Kee Kim , Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Sung-Kee Kim , Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04B10/04
CPC分类号： H04L45/00 , H04B10/2937
摘要： A label remover, and the method using the same, renders photoelectric conversion becomes unnecessary and improves using conditions and transmission quality. The label remover includes: (a) an oscillator for outputting a driving signal having a third frequency f3; (b) a double-sided band converter for (i) receiving an optical signal modulated based on a data signal of an intermediate frequency fm and frequency-modulated based on a label signal so as to indicate a first frequency f1 and a second frequency f2; and (ii) frequency-transiting the received optical signal so that each of the first and second frequencies is transited to at least two frequencies including the intermediate frequency fm; and (c) a band passer filter for filtering the frequency-transited optical signal to remove frequencies except the intermediate frequency fm.
摘要翻译：标签去除器及其使用方法使光电转换变得不必要，并且改善了使用条件和传输质量。标签去除器包括：（a）用于输出具有第三频率f 3的驱动信号的振荡器; （b）双面频带转换器，用于（i）接收基于中频fm的数据信号调制并基于标号信号进行频率调制的光信号，以指示第一频率f 1和第二频率 f 2; 和（ii）对所接收的光信号进行频率转换，使得第一和第二频率中的每一个被转换到包括中频fm的至少两个频率; 和（c）带通滤波器，用于对频率转换的光信号进行滤波以除去中间频率fm以外的频率。

17. 发明申请

US20060029395A1 Apparatus and method for frequency-shift-keying optical transmission 失效
标题翻译：用于频移键控光传输的装置和方法
公开(公告)号：US20060029395A1
公开(公告)日：2006-02-09
申请号：US11147705
申请日：2005-06-08
申请人： Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04B10/04
CPC分类号： H04B10/505 , H04B10/5051 , H04B10/5563
摘要： An optical transmission apparatus employing an FSK scheme is disclosed. The optical transmission apparatus includes a light generator arranged to generate a first tone signal having a first frequency and a second tone signal having a second frequency. The optical transmission apparatus also includes a light modulator including a second modulator for selectively outputting one of the first tone signal and the second tone signal input from the light generator according to input data.
摘要翻译：公开了一种采用FSK方案的光传输装置。光传输装置包括发生器，其被配置为产生具有第一频率的第一音调信号和具有第二频率的第二音调信号。光传输装置还包括光调制器，其包括第二调制器，用于根据输入数据选择性地输出从光发生器输入的第一音调信号和第二音调信号中的一个。

18. 发明申请

US20050100346A1 Optical transmitter for use in high-density wavelength division multiplexing (WDM) optical transmission system 审中-公开
标题翻译：用于高密度波分复用（WDM）光传输系统的光发射机
公开(公告)号：US20050100346A1
公开(公告)日：2005-05-12
申请号：US10864840
申请日：2004-06-09
申请人： Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： G02F1/035 , H04B10/516 , H04B10/524 , H04B10/556 , H04B10/588 , H04B10/61 , H04J14/00 , H04J14/02 , H04B10/04
CPC分类号： H04B10/5055 , H04B10/505 , H04B10/5051 , H04B10/5167 , H04J14/02
摘要： An optical transmitter for use in high-density WDM (Wavelength Division Multiplexing) optical transmission system generates an RZ-AMI (Return to Zero—Alternate Mark Inversion) signal which contains not only high reception sensitivity suitable for a high-density WDM optical transmission system, but also a narrow spectrum bandwidth. The transmitter includes a precoder for coding an input binary-data electric signal, a modulation drive amplifier for amplifying the coded signal, a light source for generating an optical carrier signal, a first optical modulator for modulating a phase of the optical carrier signal upon receiving the amplified signal from the amplifier, a second optical modulator for modulating an output signal of the first optical modulator into an RZ (Return to Zero) signal, and an optical filter for filtering an output signal of the second optical modulator to tailor the output signal for a predetermined bandwidth.
摘要翻译：用于高密度WDM（波分复用）光传输系统的光发射机产生不仅包含适合于高密度WDM光传输系统的高接收灵敏度的RZ-AMI（返回到零交替标记反转）信号，而且还有窄带宽带宽。发射机包括用于编码输入二进制数据电信号的预编码器，用于放大编码信号的调制驱动放大器，用于产生光载波信号的光源，用于在接收时调制光载波信号的相位的第一光调制器来自放大器的放大信号，用于将第一光调制器的输出信号调制成RZ（归零）信号的第二光调制器，以及用于对第二光调制器的输出信号进行滤波以调整输出信号的滤光器对于预定带宽。

19. 发明授权

US07715418B2 Method and apparatus for guaranteeing quality of service in a residential ethernet system 失效
标题翻译：保证住宅以太网系统的服务质量的方法和装置
公开(公告)号：US07715418B2
公开(公告)日：2010-05-11
申请号：US11891122
申请日：2007-08-09
申请人： Jae-Hun Cho , Seong-Taek Hwang , Hoon Kim , Yun-Je Oh
发明人： Jae-Hun Cho , Seong-Taek Hwang , Hoon Kim , Yun-Je Oh
IPC分类号： H04L12/56
CPC分类号： H04L12/4625 , H04L47/10 , H04L47/13 , H04L47/2408 , H04L47/2441 , H04L47/28 , H04L47/31 , H04L47/50 , H04L47/562
摘要： A method and apparatus for ensuring QoS in a synchronous Ethernet bridge are disclosed, in which a classifier classifies an ingress packet according to a PHB mapped to a DSCP value of the packet and provides the classified packet to one of a predetermined synchronous packet queue and a predetermined asynchronous packet queue, a buffer queue with a plurality of queues mapped to priority levels buffers the classified packet, a marker marks the buffered packet as a synchronous packet or, if the buffered packet is an asynchronous packet, marks the packet in a predetermined format corresponding to a priority level of the packet, and a synchronous Ethernet scheduler schedules the marked packet.
摘要翻译：公开了一种用于确保同步以太网中的QoS的方法和装置，其中分类器根据映射到分组的DSCP值的PHB对入口分组进行分类，并将分类分组提供给预定的同步分组队列和预定的异步分组队列，具有映射到优先级的多个队列的缓冲器队列缓冲分类分组，标记将缓冲分组标记为同步分组，或者如果缓冲分组是异步分组，则以预定格式标记分组对应于分组的优先级，并且同步以太网调度器调度所标记的分组。

20. 发明授权

US07450860B2 Apparatus and method for frequency-shift-keying optical transmission 失效
标题翻译：用于频移键控光传输的装置和方法
公开(公告)号：US07450860B2
公开(公告)日：2008-11-11
申请号：US11147705
申请日：2005-06-08
申请人： Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Hoon Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04B10/04 , H04B10/12
CPC分类号： H04B10/505 , H04B10/5051 , H04B10/5563
摘要： An optical transmission apparatus employing an FSK scheme is disclosed. The optical transmission apparatus includes a light generator arranged to generate a first tone signal having a first frequency and a second tone signal having a second frequency. The optical transmission apparatus also includes a light modulator including a second modulator for selectively outputting one of the first tone signal and the second tone signal input from the light generator according to input data.
摘要翻译：公开了一种采用FSK方案的光传输装置。光传输装置包括发生器，其被配置为产生具有第一频率的第一音调信号和具有第二频率的第二音调信号。光传输装置还包括光调制器，其包括第二调制器，用于根据输入数据选择性地输出从光发生器输入的第一音调信号和第二音调信号中的一个。

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