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。

公开(公告)号：US20070184841A1

公开(公告)日：2007-08-09

申请号：US11606428

申请日：2006-11-30

申请人： Do-In Choi ,  Seong-Taek Hwang ,  Yun-Je Oh

发明人： Do-In Choi ,  Seong-Taek Hwang ,  Yun-Je Oh

IPC分类号： H04Q7/20

CPC分类号： H04B10/25754 ,  H04W88/085

摘要： Provided is a system for communicating between a base station transceiver subsystem and radio access units in a wireless communication system. The system includes a data path switch for switching a signal received from a base station controller, to a predetermined picocell, a micro cell HD controller and a picocell HD controller for detecting header information of the received signal, and controlling the data path switch, a picocell power meter for receiving a signal strength from a mobile terminal, and performing a power control, a modem for processing and transmitting the signal to an optical transceiver, and processing and transmitting a signal received from the optical transceiver to the data path switch and an optical transceiving unit for receiving and converting an electric signal into an optical signal, and receiving and converting an optical signal into an electric signal.

摘要翻译： 提供了一种用于在无线通信系统中的基站收发机子系统和无线电接入单元之间进行通信的系统。 该系统包括用于将从基站控制器接收的信号切换到预定微微小区的数据路径切换器，用于检测接收信号的标题信息的微小区HD控制器和微微小区HD控制器，以及控制数据路径切换 用于从移动终端接收信号强度的微微小区功率计，以及执行功率控制的调制解调器，用于处理和发送信号到光收发器的调制解调器，以及处理和发送从光收发器接收的信号到数据路径开关，以及 光收发单元，用于将电信号接收和转换成光信号，以及接收并将光信号转换成电信号。

公开(公告)号：US07254340B2

公开(公告)日：2007-08-07

申请号：US10780132

申请日：2004-02-17

申请人： Dae-Kwang Jung ,  Yun-Je Oh ,  Seong-Taek Hwang

发明人： Dae-Kwang Jung ,  Yun-Je Oh ,  Seong-Taek Hwang

IPC分类号： H04J14/02 ,  H04B10/00

CPC分类号： H04J14/0282 ,  H04B10/2587 ,  H04B10/506 ,  H04B10/572 ,  H04J14/02 ,  H04J14/0226 ,  H04J14/0246 ,  H04J14/025 ,  H04J2014/0253

摘要： An optical wavelength tracking apparatus and method in a wavelength division multiplexed (WDM) passive optical network (PON) in which a central office (CO) having a multi-frequency light source is connected to a plurality of optical network units (ONUs) having loop-back light sources through a WDM MUX/DEMUX in a remote node (RN). The power levels of downstream and upstream WDM optical signals are measured. The WDM wavelengths of the multi-frequency light source and the WDM MUX/DEMUX are controlled to be nearly identical in order to minimize the difference between the power levels of the downstream and upstream WDM optical signals.

摘要翻译： 一种波分复用（WDM）无源光网络（PON）中的光波长跟踪装置和方法，其中具有多频光源的中心局（CO）连接到具有环路的多个光网络单元（ONU） 通过远程节点（RN）中的WDM MUX / DEMUX来返回光源。 测量下行和上行WDM光信号的功率电平。 控制多频光源和WDM MUX / DEMUX的WDM波长几乎相同，以便最小化下行和上行WDM光信号的功率电平之间的差异。

公开(公告)号：US07224907B2

公开(公告)日：2007-05-29

申请号：US10459788

申请日：2003-06-12

申请人： Han-Lim Lee ,  Ji-Chai Jeong ,  Yong-Hoon Kim ,  Yun-Je Oh ,  Seong-Taek Hwang

发明人： Han-Lim Lee ,  Ji-Chai Jeong ,  Yong-Hoon Kim ,  Yun-Je Oh ,  Seong-Taek Hwang

IPC分类号： H04B10/04 ,  H04B10/12

CPC分类号： H04B10/505 ,  H04B10/5055 ,  H04B10/508

摘要： A duobinary optical transmission apparatus is provided to generate duobinary optical signals, without using an electric low-pass-filter (LPF), by restricting a bandwidth of a Mach-Zehnder-interferometer-type optical intensity modulator (MZ MOD). Alternatively, a LPF having a single pole with a single capacitor is implemented instead of an expensive LPF, thereby providing a simple transmitter with a lower production cost in comparison with a transmitter using a conventional electric LPF.

摘要翻译： 提供双二进制光传输装置，通过限制马赫 - 曾德干涉仪型光强度调制器（MZ MOD）的带宽，而不使用电气低通滤波器（LPF）来产生双二进制光信号。 或者，实现具有单个电容器的单极点的LPF而不是昂贵的LPF，从而与使用常规电气LPF的发射器相比，提供具有较低生产成本的简单发射器。

公开(公告)号：US07173758B2

公开(公告)日：2007-02-06

申请号：US10922677

申请日：2004-08-19

申请人： Jeong-Seok Lee ,  Yun-Je Oh ,  Seong-Taek Hwang ,  Dong-Han Lee ,  Jeong-Mee Oh

发明人： Jeong-Seok Lee ,  Yun-Je Oh ,  Seong-Taek Hwang ,  Dong-Han Lee ,  Jeong-Mee Oh

IPC分类号： H01S5/00 ,  H01S4/00

CPC分类号： H01S5/50 ,  H01S5/0078 ,  H01S5/5072

摘要： A gain-clamped semiconductor optical amplifier includes a semiconductor optical amplifier for amplifying an inputted optical signal and outputting amplified spontaneous emission light, the amplified spontaneous emission light consisting of a first portion and a second portion, the first portion having a wavelength range to be amplified. The amplifier further includes a wavelength selective reflector for allowing the first portion of the amplified spontaneous emission light to pass through the wavelength selective reflector and reflecting the second portion of the amplified spontaneous emission light again to the semiconductor optical amplifier, thereby clamping the gain of the amplifier.

摘要翻译： 增益钳位半导体光放大器包括用于放大输入的光信号并输出​​放大的自发发射光的半导体光放大器，放大的自发发射光由第一部分和第二部分组成，第一部分具有待放大的波长范围 。 放大器还包括一个波长选择反射器，用于使放大的自发发射光的第一部分通过波长选择反射器并将放大的自发发射光的第二部分再次反射到半导体光放大器，由此夹紧 放大器

公开(公告)号：US20060291776A1

公开(公告)日：2006-12-28

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： G02B6/28

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。

公开(公告)号：US07119947B2

公开(公告)日：2006-10-10

申请号：US10869428

申请日：2004-06-16

申请人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Yun-Je Oh

发明人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Yun-Je Oh

IPC分类号： H10S4/00

CPC分类号： H01S3/06754 ,  H01S3/005 ,  H01S3/0064 ,  H01S3/0078 ,  H01S3/06766 ,  H01S3/0677 ,  H01S3/094023 ,  H01S3/0941 ,  H01S3/1608 ,  H01S3/1613 ,  H01S3/1616 ,  H04B10/506

摘要： A dual-port broadband light source is disclosed. In the dual-port broadband light source, a first beam splitter splits a first ASE at a first ratio into the second and third light paths and outputs the first ASE received from the second light path to the first light path. A second beam splitter splits a second ASE at a second ratio into the second and fourth light sources and outputs the second ASE received from the second light path to the first light path. A first reflector reflects input first and second ASEs in the first light path, and a second reflector reflects input first and second ASEs in the second light path. A first gain medium generates the first ASE between the first reflector and the first beam splitter, and a second gain medium generates the second ASE between the first reflector and the second beam splitter.

摘要翻译： 公开了一种双端口宽带光源。 在双端口宽带光源中，第一分束器以第一比率将第一ASE分离成第二和第三光路，并将从第二光路接收的第一ASE输出到第一光路。 第二分束器以第二比例将第二ASE分成第二和第四光源，并将从第二光路接收的第二ASE输出到第一光路。 第一反射器在第一光路中反射输入的第一和第二ASE，并且第二反射器在第二光路中反射输入的第一和第二ASE。 第一增益介质在第一反射器和第一分束器之间产生第一ASE，第二增益介质在第一反射器和第二分束器之间产生第二ASE。

公开(公告)号：US20060177223A1

公开(公告)日：2006-08-10

申请号：US11346973

申请日：2006-02-03

申请人： Seong-Taek Hwang ,  Kwan-Soo Lee ,  Chang-Sup Shim ,  Yun-Je Oh

发明人： Seong-Taek Hwang ,  Kwan-Soo Lee ,  Chang-Sup Shim ,  Yun-Je Oh

IPC分类号： H04J14/00

CPC分类号： H04J14/0282 ,  H04B10/296 ,  H04J14/02 ,  H04J14/0226 ,  H04J14/0227 ,  H04J14/0232 ,  H04J14/0246 ,  H04J14/025

摘要： A passive optical network includes a central office generating multiplexed downstream optical signals, a plurality of subscriber units provided with the downstream optical signals of the corresponding wavelengths, and a remote node for relaying signals between the subscriber units and the central office. The central office comprises a broadband light source for generating a light of gain-clamped wide wavelength band with a gain channel and a plurality of incoherent channels; a plurality of downstream light sources for generating downstream optical signals the wavelengths of which are locked by the incoherent channels of the corresponding wavelengths; and a multiplexer/de-multiplexer for de-multiplexing the incoherent channels and outputting the de-multiplexed channels to the corresponding downstream light source and for multiplexing the upstream optical signals and outputting the multiplexed optical signals.

摘要翻译： 无源光网络包括产生多路复用的下行光信号的中心局，提供有相应波长的下行光信号的多个用户单元和用于在用户单元与中心局之间中继信号的远程节点。 中心局包括宽带光源，用于产生具有增益通道和多个非相干通道的增益钳位宽波段的光; 多个下游光源，用于产生其波长被相应波长的非相干通道锁定的下行光信号; 以及多路复用器/解复用器，用于对非相干信道进行解复用，并将去多路复用的信道输出到相应的下游光源，并用于复用上行光信号并输出​​复用的光信号。

公开(公告)号：US20060104636A1

公开(公告)日：2006-05-18

申请号：US11281761

申请日：2005-11-17

申请人： Dae-Kwang Jung ,  Chang-Sup Shim ,  Yun-Je Oh ,  Seong-Taek Hwang

发明人： Dae-Kwang Jung ,  Chang-Sup Shim ,  Yun-Je Oh ,  Seong-Taek Hwang

IPC分类号： H04B10/20

CPC分类号： H04J14/0291 ,  H04J14/0227 ,  H04J14/0241 ,  H04J14/0282 ,  H04J14/0283

摘要： A bi-directional metro-access optical network includes a central office for generating beams of different wavelength bands and a plurality of wavelength locked downward optical signals and for detecting wavelength locked upward optical signals; a plurality of nodes for detecting the downward optical signals of different wavelengths and for generating the wavelength locked upward optical signals of which wavelengths are locked by respective wavelength beams; a first optical fiber line for linking together each of the nodes with the central office in a ring shape, transmitting the upward optical signals to the central office, and transmitting the downward optical signals and the beams to each of the nodes; and a second optical fiber line for linking together each of the nodes with the central office in a ring shape along the circumference of the first optical fiber line.

摘要翻译： 双向地铁接入光网络包括用于产生不同波长带的波束和多个波长锁定的向下的光信号的中心局和用于检测波长锁定的向上的光信号; 多个节点，用于检测不同波长的向下的光信号，并产生波长锁定的上行光信号，波长由各波长波束锁定; 用于将每个节点与中心局以环形形式连接在一起的第一光纤线路，将向上的光信号传输到中心局，并将向下的光信号和光束传输到每个节点; 以及第二光纤线路，用于将每个节点与中心局沿着第一光纤线路的圆周以环形形状连接在一起。

公开(公告)号：US07031048B2

公开(公告)日：2006-04-18

申请号：US10899572

申请日：2004-07-27

申请人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Chang-Sup Shim ,  Yun-Je Oh

发明人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Chang-Sup Shim ,  Yun-Je Oh

IPC分类号： H01S3/00

CPC分类号： H01S3/06754 ,  H01S3/06795 ,  H01S3/1613 ,  H01S3/1616

摘要： Disclosed is a hybrid broadband optical source comprising an amplified spontaneous emission (ASE) light source module to generate ASE, a gain medium to amplify the ASE, a pump light source to generate pump light, and a wavelength selective coupler to supply the pump light to the gain medium.

摘要翻译： 公开了一种混合宽带光源，其包括放大的自发发射（ASE）光源模块以产生ASE，用于放大ASE的增益介质，用于产生泵浦光的泵浦光源以及将泵浦光提供给 增益介质。