公开(公告)号：US08149933B2

公开(公告)日：2012-04-03

申请号：US12040023

申请日：2008-02-29

申请人： Shuangfeng Han ,  Seong-Taek Hwang ,  Zhunhui Zhou ,  Jing Wang ,  Ming Zhao ,  Zheng Xu

发明人： Shuangfeng Han ,  Seong-Taek Hwang ,  Zhunhui Zhou ,  Jing Wang ,  Ming Zhao ,  Zheng Xu

IPC分类号： H04K1/10

CPC分类号： H04L27/2601 ,  H04L5/0023 ,  H04L5/0032 ,  H04L5/0037 ,  H04L5/0062 ,  H04L5/023

摘要： Disclosed is a method and an apparatus for subchannel assignment for suppressing inter-antenna interference in an Orthogonal Frequency Division Multiplexing Access (OFDMA) system based distributed wireless communication system equipped with antennas that are randomly distributed in a geographical manner and can simultaneously communicate with multiple Subscriber Stations (SSs). The method includes selecting and obtaining access to distributed antennas which satisfy the data transmission rate that an SS requires and with which the SS can communicate; re-queuing a distributed antenna having the maximum transmitted power within the same cell in high priority; and assigning subchannels to the relevant distributed antennas in an order from the relevant distributed antenna having the high priority.

摘要翻译： 公开了一种用于抑制基于正交频分复用接入（OFDMA）系统的分布式无线通信系统中的天线间干扰的方法和装置，所述分布式无线通信系统配备有以地理方式随机分布并可同时与多个用户通信的天线 车站（SS）。 该方法包括：选择和获得满足SS要求的数据传输速率并与SS通信的分布式天线; 将具有最高发送功率的分布式天线重新排队在高优先级的同一小区内; 以及从具有高优先级的相关分布式天线的顺序向相关的分布式天线分配子信道。

公开(公告)号：US08041222B2

公开(公告)日：2011-10-18

申请号：US11953911

申请日：2007-12-11

申请人： Han-Lim Lee ,  Hoon Kim ,  Seong-Taek Hwang

发明人： Han-Lim Lee ,  Hoon Kim ,  Seong-Taek Hwang

IPC分类号： H04B10/00

CPC分类号： H04J14/02 ,  H04B10/25758 ,  H04W88/085

摘要： A radio over fiber link apparatus for transmitting/receiving radio frequency up/downlink signals in a TDD mobile communication system. The radio over fiber link apparatus includes a center site for receiving radio frequency signals from an access point of the mobile communication system. The center site has a first electro-optic converter for converting the radio frequency signals into optical signals, bias control of the first electro-optic converter being performed based on the switching of TDD signals; and a remote for transmitting the radio frequency signals to a mobile communication terminal through an antenna. The remote site has a first photoelectric converter for converting the optical signals transmitted through an optical fiber from the center site into radio frequency signals.

摘要翻译： 一种用于在TDD移动通信系统中发送/接收射频上行/下行链路信号的无线电光纤链路装置。 光纤链路装置的无线电装置包括用于从移动通信系统的接入点接收射频信号的中心站点。 中心站点具有用于将射频信号转换为光信号的第一电光转换器，基于TDD信号的切换执行第一电光转换器的偏置控制; 以及用于通过天线将射频信号发送到移动通信终端的遥控器。 远程站点具有第一光电转换器，用于将通过光纤传输的光信号从中心位置转换成射频信号。

公开(公告)号：US07995924B2

公开(公告)日：2011-08-09

申请号：US12001632

申请日：2007-12-12

申请人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim

发明人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim

IPC分类号： H04B10/22 ,  H04J14/08

CPC分类号： H04W88/085 ,  H04Q11/0067 ,  H04Q2011/0088

摘要： Disclosed are a method and a system for generating switching control signal separating transmission signal on an access point and a mobile communication terminal in an optical repeater employing, for example, a TDD scheme. The method includes the steps of generating a control signal for generating a switching control signal in transmitting data from the AP and transmitting the control information to a remote during an idle time interval, detecting synchronization information on the downlink signal and time-delay information from the control information, delaying a time interval between the synchronization information and a starting point of the downlink signal, generating the switching control signal for the downlink signal according to the transmission time information of the downlink signal, and performing a switching operation according to the switching control signal and setting a downlink path.

摘要翻译： 公开了一种用于在采用例如TDD方案的光中继器中产生在接入点和移动通信终端上分离传输信号的切换控制信号的方法和系统。 该方法包括以下步骤：在空闲时间间隔期间产生用于产生切换控制信号以从AP发送数据并将控制信息发送给远端，检测下行链路信号的同步信息和来自 控制信息，延迟同步信息和下行链路信号的起始点之间的时间间隔，根据下行链路信号的发送时间信息生成下行链路信号的切换控制信号，根据切换控制进行切换动作 信号并设置下行链路路径。

公开(公告)号：US20110188756A1

公开(公告)日：2011-08-04

申请号：US13020495

申请日：2011-02-03

申请人： Dong-Chang LEE ,  Sang-Ho Kim ,  Seong-Taek Hwang ,  Ji-Hoon Kim

发明人： Dong-Chang LEE ,  Sang-Ho Kim ,  Seong-Taek Hwang ,  Ji-Hoon Kim

IPC分类号： G06K9/18

CPC分类号： G06K9/18

摘要： A method for providing a correct e-dictionary search result for a document recognition result includes performing character recognition of a document in which Korean characters (Hangul) and Chinese characters are mixed and displaying a recognition result. If a character string to be searched is selected by a user from the recognition result, determining whether the selected character string corresponds to Hangul or Chinese characters, detecting a Hangul word or a Chinese word included in the selected character string, and outputting an e-dictionary search result corresponding to the detected Hangul or a Chinese word. Accordingly, the user can use an e-dictionary function without directly inputting a search word and obtain a correct e-dictionary search result for a document in which Hangul and Chinese characters are mixed.

摘要翻译： 一种用于为文档识别结果提供正确的电子词典搜索结果的方法包括对韩文字符（韩文）和汉字混合并显示识别结果的文档进行字符识别。 如果用户从识别结果中选择要搜索的字符串，则确定所选择的字符串是对应于韩文还是汉字，检测包含在所选择的字符串中的韩文字或中文字， 字典搜索结果对应于检测到的韩文或汉字。 因此，用户可以使用电子词典功能而不直接输入搜索词并且获得用于混合汉语和汉语的文档的正确的电子词典搜索结果。

公开(公告)号：US07929408B2

公开(公告)日：2011-04-19

申请号：US11965781

申请日：2007-12-28

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： H04W28/00 ,  H04B7/17 ,  H04L27/00 ,  H04L1/20

CPC分类号： H04B7/061 ,  H04W52/265 ,  H04W72/1231 ,  H04W72/1242 ,  H04W84/047

摘要： A joint scheduling apparatus and method for increasing frequency efficiency and fairness in a multi-channel distributed antenna system using frequency reuse and common control power. One of a Base Station (BS) or Relay Station (RS) are selected to transmit packets to a Mobile Station (MSs), taking into account Quality of Service (QoS) in one of a BS and an RS and grouped into packet groups. The packets are selected from the packet groups, links corresponding to the packets are grouped into a link group, a joint power control is performed on the link group, link elimination and link addition are performed for the link group until optimal solutions are achieved for the links group, channels are allocated to the links when the optimal solutions are achieved for the links, and the status of a user queue is updated.

摘要翻译： 一种使用频率复用和公共控制功率在多信道分布式天线系统中提高频率效率和公平性的联合调度装置和方法。 选择基站（BS）或中继站（RS）之一以考虑到BS和RS之一的服务质量（QoS）并分组成分组组，将分组传送到移动台（MS）。 从分组组中选择分组，对应于分组的链路被分组成链路组，对链路组执行联合功率控制，链路消除和链路加入对链路组执行，直到达到最优解为止 链路组，当为链路实现最优解时，分配给链路，更新用户队列的状态。

公开(公告)号：US20110063468A1

公开(公告)日：2011-03-17

申请号：US12879624

申请日：2010-09-10

申请人： Hee-Bum Ahn ,  Soo-Hyung Kim ,  Guee-Sang Lee ,  Hyung-Jeung Yang ,  Seong-Taek Hwang ,  Jung-Sik Kim ,  Jong-Hyun Park ,  Myung-Hun Lee ,  Jun-Sik Lim ,  Jong-Mun Jeong

发明人： Hee-Bum Ahn ,  Soo-Hyung Kim ,  Guee-Sang Lee ,  Hyung-Jeung Yang ,  Seong-Taek Hwang ,  Jung-Sik Kim ,  Jong-Hyun Park ,  Myung-Hun Lee ,  Jun-Sik Lim ,  Jong-Mun Jeong

IPC分类号： H04N5/225 ,  G06K9/46

CPC分类号： G06K9/3258 ,  G06K2209/01

摘要： Disclosed is a method for retrieving a label in a portable terminal. The method includes obtaining a label image photographed through a camera, extracting characters included in the label image and recognizing the extracted characters, detecting at least one label including the recognized character from a label database including multiple labels and information on the multiple labels and constituting a preliminary label candidate group including said at least one label, detecting an image characteristic of the label image, detecting at least one label having an image characteristic, which is similar with the detected image characteristic, from the preliminary label candidate group, and constituting a final label candidate group, and providing each of said at least one label included in the final label candidate group and detailed information corresponding to each of said at least one label.

摘要翻译： 公开了一种用于检索便携式终端中的标签的方法。 该方法包括获取通过照相机拍摄的标签图像，提取包括在标签图像中的字符并识别提取的字符，从包括多个标签的标签数据库和关于多个标签的信息检测包括识别字符的至少一个标签，并且构成 包括所述至少一个标签的初步标签候选组，检测标签图像的图像特征，从初步标签候选组中检测具有与检测到的图像特征相似的图像特性的至少一个标签，并构成最终标签 标签候选组，并且提供包括在最终标签候选组中的所述至少一个标签中的每一个以及与所述至少一个标签中的每一个对应的详细信息。

公开(公告)号：US07826430B2

公开(公告)日：2010-11-02

申请号：US11983483

申请日：2007-11-09

申请人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim

发明人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim

IPC分类号： H04J3/00 ,  H04J3/06

CPC分类号： H04J14/02 ,  H04J3/0682 ,  H04W88/085

摘要： A method and apparatus for transmitting data to an Access Point (AP) and a Mobile Station (MS) in a Time Division Duplex (TDD) optical repeater. A main donor generates a control frame for controlling a remote, upon receipt of data from the AP, and transmits the control frame to the remote during a non-downlink transmission period. The remote analyzes the control frame received from the main donor, detects sync information about a downlink signal and an uplink signal, and remote control information from the analyzed control frame, performs a control operation according to the detected remote control information, and generates a status frame for notifying the main donor of the status of the remote upon receipt of data from the MS. The status frame is transmitted from the remote to the main donor during a non-uplink transmission period.

摘要翻译： 一种用于向时分双工（TDD）光中继器中的接入点（AP）和移动台（MS）发送数据的方法和装置。 在从AP接收到数据时，主要供体生成用于控制远程的控制帧，并且在非下行链路传输周期期间将控制帧发送到远程。 遥控器分析从主供体接收到的控制帧，检测关于下行链路信号和上行链路信号的同步信息，以及来自分析的控制帧的遥控信息，根据检测到的遥控信息执行控制操作，并且生成状态 框架，用于在从MS接收到数据时通知主要供体的远程状态。 在非上行链路传输期间，状态帧从远端发送到主供体。

公开(公告)号：US07773887B2

公开(公告)日：2010-08-10

申请号：US11642260

申请日：2006-12-20

申请人： Jae-Hoon Lee ,  Byung-Jik Kim ,  Seong-Taek Hwang ,  Sang-Ho Kim

发明人： Jae-Hoon Lee ,  Byung-Jik Kim ,  Seong-Taek Hwang ,  Sang-Ho Kim

IPC分类号： H04B10/00 ,  H04B10/24 ,  H04J14/00

CPC分类号： H04B10/25758 ,  H04B7/2606

摘要： A single wavelength bi-directional RoF link apparatus for signal transmission in a TDD wireless system includes a main donor for receiving an RF signal of downstream data from an upper layer, electrooptic converting the received RF signal to an optical signal, and transmitting the converted optical signal via an optical fiber in response to a TDD switching signal received from the upper layer, or receiving an optical signal of upstream data via the optical fiber, opto-electric converting the received optical signal to an RF signal in response to the TDD switching signal received from the upper layer, and transmitting the converted optical signal to the main donor; and a remote for receiving the optical signal of the downstream data via the optical fiber from the main donor, opto-electric converting the received optical signal to an RF signal, and emitting the converted RF signal to a terminal via an antenna in response to a TDD switching signal generated by a switch timing signal generation circuit, or receiving an RF signal of upstream data from the terminal, electro-optic converting the received RF signal to an optical signal in response to the TDD switching signal generated by the switch timing signal generation circuit, and transmitting the converted optical signal to the main donor via the optical fiber.

摘要翻译： 用于TDD无线系统中的信号传输的单波长双向RoF链路装置包括：主要供体，用于从上层接收下行数据的RF信号，将所接收的RF信号电光转换为光信号，并将转换后的光 响应于从上层接收的TDD切换信号，或经由光纤接收上行数据的光信号，经由光纤发送信号，响应于TDD切换信号将接收到的光信号光电转换为RF信号 从上层接收，并将转换的光信号发送到主供体; 以及遥控器，用于经由来自主施体的光纤接收下行数据的光信号，将所接收的光信号光电转换成RF信号，并响应于一个天线经由天线将转换的RF信号发射到终端 TDD切换信号，或者从终端接收上行数据的RF信号，根据切换定时信号生成产生的TDD切换信号将接收的RF信号电光转换为光信号 并且经由光纤将转换后的光信号发送到主供体。

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。

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。