公开(公告)号：US07969940B2

公开(公告)日：2011-06-28

申请号：US11900333

申请日：2007-09-10

申请人： Byung-Jik Kim ,  Seong-Taek Hwang ,  Won-Jin Sung ,  Jin-Woo Choe ,  Jong-Hyun Park ,  Jong-Hyun Kim

发明人： Byung-Jik Kim ,  Seong-Taek Hwang ,  Won-Jin Sung ,  Jin-Woo Choe ,  Jong-Hyun Park ,  Jong-Hyun Kim

IPC分类号： H04W4/00

CPC分类号： H04W72/085 ,  H04W4/08 ,  H04W84/047

摘要： A method of assigning radio resources in a cellular system using wired Relay Stations (RSs) includes: a Base Station (BS) gathering feed-back control information of all Mobile Stations (MSs) via the RSs in a cell of the BS; a first process, wherein the MSs are divided into two groups according to a channel state of each MS; a second process, wherein sub-channels are dynamically assigned to MSs belonging to a group, in which a channel state of each MS is good, of the two groups; and a third process, wherein sub-channels are dynamically assigned to MSs belonging to a group, in which a channel state of each MS is bad, of the two groups by considering a resource state per RS and a channel gain between sub-channels.

摘要翻译： 一种使用有线中继站（RS）在蜂窝系统中分配无线电资源的方法包括：基站（BS），经由BS的小区中的RS收集所有移动站（MS）的反馈控制信息; 第一处理，其中根据每个MS的信道状态将MS划分成两组; 第二过程，其中子信道被动态地分配给属于组中每个MS的信道状态良好的组的MS; 以及第三处理，其中通过考虑每RS的资源状态和子信道之间的信道增益，子通道被动态地分配给两个组中属于每个MS的信道状态的组的MS。

公开(公告)号：US07933246B2

公开(公告)日：2011-04-26

申请号：US11890174

申请日：2007-08-03

申请人： Seong-Taek Hwang ,  Jae-Hun Cho ,  Jong-Ho Yoon ,  Hoon Kim

发明人： Seong-Taek Hwang ,  Jae-Hun Cho ,  Jong-Ho Yoon ,  Hoon Kim

IPC分类号： H04W4/00

CPC分类号： H04W36/02 ,  H04W36/12 ,  H04W36/18

摘要： A method of treating signals in a bridge-based radio access station backbone network including a plurality of base station bridges (BSBs), with each BSB having a 2-tiered switch connected with a plurality of radio access stations. A plurality of SCBs (Site Core Bridges), each of having a 2-tiered switch for constituting the core network, includes the steps of buffering by the SCB a predetermined number of previously-transmitted frames when operating as a crossover bridge, and causing the SCB to retransmit selected ones of the buffered previously-transmitted frames to a terminal in response to a handover completion signal.

摘要翻译： 一种处理基于桥的无线电接入站骨干网络中的信号的方法，包括多个基站网桥（BSB），每个BSB具有与多个无线电接入站连接的2层交换机。 多个具有用于构成核心网络的2层交换机的SCB（站点核心桥）包括以下步骤：当作为交叉桥工作时，由SCB缓冲预定数量的先前发送的帧， SCB响应于切换完成信号，将已缓存的先前发送的帧的选择的一个重传到终端。

公开(公告)号：US07860504B2

公开(公告)日：2010-12-28

申请号：US11893801

申请日：2007-08-17

申请人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Jong-Hee Kim ,  Jong-Ho Yoon

发明人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Jong-Hee Kim ,  Jong-Ho Yoon

IPC分类号： H04W36/00

CPC分类号： H04W36/12 ,  H04W76/20

摘要： A method of treating a handover in a bridge-based radio access station backbone network including a plurality of base station bridges each including a two-tiered switch connected with a plurality of radio access stations, a plurality of SCBs (Site Core Bridges) each composed of two-tiered switch for constituting the core network, and an HLR (Home Location Register) for managing the structural information of the network constituents. The SCB stores the terminal information containing the receiving address of the initial terminal registration message and the SCB to delete the terminal information in response to a disconnection message of the terminal caused by handover, to request the SCBs in the terminal end of the old MAC-in-MAC tunnel to delete the tunnel information and the terminal information, and to inform the HLR of initiating the handover to change the registered operational state of the terminal.

摘要翻译： 一种处理基于桥的无线电接入站骨干网中的切换的方法，包括多个基站桥，每个基站桥包括与多个无线电接入站连接的双层交换机，每个组成的多个SCB（站点核心桥） 用于构成核心网络的双层交换机，以及用于管理网络组成部分的结构信息的HLR（归属位置寄存器）。 SCB存储包含初始终端注册消息的接收地址的终端信息和SCB，以响应于由切换引起的终端的断开消息来删除终端信息，以请求旧的MAC-CSCF的终端中的SCB， 在MAC隧道中删除隧道信息和终端信息，并通知HLR发起切换以改变终端的注册操作状态。

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。

公开(公告)号：US07639949B2

公开(公告)日：2009-12-29

申请号：US11644570

申请日：2006-12-22

申请人： Dae-Kwang Jung ,  Seong-Taek Hwang ,  Jin-Woo Park ,  Sang-Rok Lee ,  Seong-Geun Lee

发明人： Dae-Kwang Jung ,  Seong-Taek Hwang ,  Jin-Woo Park ,  Sang-Rok Lee ,  Seong-Geun Lee

IPC分类号： H04B10/20 ,  H04B10/12

CPC分类号： H04J14/0226 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282

摘要： A TDM PON including: an optical line terminal; a remote node including multiple secondary optical distributors connected to multiple optical network units; and the multiple optical network units generating and outputting a corresponding upstream optical signal. Each of the secondary optical distributors splits an upstream optical signal input from one of the optical network units connected thereto so as to generate split upstream optical signals and transmits one of the upstream optical signals to the optical line terminal, and transmits another upstream optical signal to a different optical network unit.

摘要翻译： 一种TDM PON，包括：光线路终端; 远程节点，包括连接到多个光网络单元的多个次级光分配器; 多个光网络单元生成并输出相应的上行光信号。 每个二次光分配器分离从连接到其上的光网络单元之一输入的上行光信号，以产生分离的上行光信号，并将上游光信号之一发送到光线路终端，并将另一上游光信号发送到 不同的光网络单元。

公开(公告)号：US20090253429A1

公开(公告)日：2009-10-08

申请号：US12419045

申请日：2009-04-06

申请人： Jae-Hoon LEE ,  Seong-Taek Hwang ,  Won-Jin Sung ,  Ki-Suk Sung ,  In-Hong Shong

发明人： Jae-Hoon LEE ,  Seong-Taek Hwang ,  Won-Jin Sung ,  Ki-Suk Sung ,  In-Hong Shong

IPC分类号： H04W40/12

CPC分类号： H04W72/048 ,  H04W4/08

摘要： A scheduling method in a distributed antenna system is provided. Each of a plurality of Mobile Stations (MSs), respectively corresponding to each subchannel, are classified as a Single Transmission (ST) MS or a Cooperative Transmission (CT) MS according to a CT criterion. An MS with a maximum channel capacity is selected from among the classified MSs. Resources arc allocated to a corresponding subchannel when the selected MS is the ST MS, and resources arc allocated using a CT scheduling technique when the selected MS is the CT MS. The classifying, selecting and allocating steps are repeated until allocation of resources is completed.

摘要翻译： 提供了分布式天线系统中的调度方法。 分别对应于每个子信道的多个移动站（MS）中的每一个根据CT标准被分类为单个传输（ST）MS或协作传输（CT）MS。 从分类的MS中选择具有最大信道容量的MS。 当选择的MS是ST MS时，将资源分配给相应的子信道，并且当所选MS是CT MS时，使用CT调度技术分配资源。 重复分类，选择和分配步骤，直到资源分配完成。

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。

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。

公开(公告)号：US20080119216A1

公开(公告)日：2008-05-22

申请号：US11977473

申请日：2007-10-25

申请人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Won-Jin Sung ,  Jin-Woo Choe ,  Byoung-Seok Lee ,  In-Hong Shong

发明人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Won-Jin Sung ,  Jin-Woo Choe ,  Byoung-Seok Lee ,  In-Hong Shong

IPC分类号： H04Q7/20

CPC分类号： H04W52/46 ,  H04W52/24 ,  H04W52/26 ,  H04W52/346 ,  H04W52/386

摘要： A method of controlling power in a Base Station (BS) of a cellular system using wired Relay Stations (RSs) includes the RSs and the BS individually performing scheduling of packets to be transmitted to Mobile Stations (MSs) in respective areas of coverage, the BS increasing a difference between a sum of signals to be transmitted and a sum of interference signals according to a scheduling result, guaranteeing a minimum amount of data to be received by each MS, and calculating a power allocation solution of each MS, which satisfies a condition that the power allocation solution is in a range of allocatable power, which was pre-set by each of the RSs and the BS, and the RSs and the BS performing sub-channel allocation and power allocation according to the power allocation solution satisfying the condition.

摘要翻译： 使用有线中继站（RS）的蜂窝系统的基站（BS）中的功率控制方法包括RS和BS分别对覆盖的各个区域中的移动站（MS）进行分组的调度， BS根据调度结果增加要发送的信号的总和与干扰信号的和之间的差，保证每个MS要接收的最小数据量，以及计算每个MS的功率分配解，其满足 条件是功率分配解决方案在由每个RS和BS预先设定的可分配功率的范围内，以及RS和BS根据满足以下条件的功率分配解决方案进行子信道分配和功率分配 条件。

公开(公告)号：US20080119194A1

公开(公告)日：2008-05-22

申请号：US11900333

申请日：2007-09-10

申请人： Byung-Jik Kim ,  Seong-Taek Hwang ,  Won-Jin Sung ,  Jin-Woo Choe ,  Jong-Hyun Park ,  Jong-Hyun Kim

发明人： Byung-Jik Kim ,  Seong-Taek Hwang ,  Won-Jin Sung ,  Jin-Woo Choe ,  Jong-Hyun Park ,  Jong-Hyun Kim

IPC分类号： H04Q7/20

CPC分类号： H04W72/085 ,  H04W4/08 ,  H04W84/047

摘要： A method of assigning radio resources in a cellular system using wired Relay Stations (RSs) includes: a Base Station (BS) gathering feed-back control information of all Mobile Stations (MSs) via the RSs in a cell of the BS; a first process, wherein the MSs are divided into two groups according to a channel state of each MS; a second process, wherein sub-channels are dynamically assigned to MSs belonging to a group, in which a channel state of each MS is good, of the two groups; and a third process, wherein sub-channels are dynamically assigned to MSs belonging to a group, in which a channel state of each MS is bad, of the two groups by considering a resource state per RS and a channel gain between sub-channels.

摘要翻译： 一种使用有线中继站（RS）在蜂窝系统中分配无线电资源的方法包括：基站（BS），经由BS的小区中的RS收集所有移动站（MS）的反馈控制信息; 第一处理，其中根据每个MS的信道状态将MS划分成两组; 第二过程，其中子信道被动态地分配给属于组中每个MS的信道状态良好的组的MS; 以及第三处理，其中通过考虑每RS的资源状态和子信道之间的信道增益，子通道被动态地分配给两个组中属于每个MS的信道状态的组的MS。