公开(公告)号：US20110199396A1

公开(公告)日：2011-08-18

申请号：US13023898

申请日：2011-02-09

Applicant: Min-Woo LEE ,  Yong-Deok KIM ,  Jae-Hun CHO ,  Sung-Dae CHO

Inventor： Min-Woo LEE ,  Yong-Deok KIM ,  Jae-Hun CHO ,  Sung-Dae CHO

IPC: G09G5/10

CPC classification number: G09G3/30 ,  G09G2300/0452 ,  G09G2320/0626 ,  G09G2320/0646 ,  G09G2320/08 ,  G09G2360/16 ,  G09G2360/18

Abstract: A method of displaying an image for a self-luminescence display includes determining loads by channels of an input image frame, estimating a display brightness of the input image frame using a relationship between the loads predetermined by channels and a change of the display brightness, correcting a luminance value of the image frame to correspond to the estimated brightness, and displaying the luminance-corrected image frame.

Abstract translation: 显示用于自发光显示的图像的方法包括通过输入图像帧的通道来确定负载，使用由通道预定的负载与显示亮度的变化之间的关系来估计输入图像帧的显示亮度，校正 所述图像帧的亮度值对应于所述估计亮度，并且显示所述亮度校正图像帧。

公开(公告)号：US07715418B2

公开(公告)日：2010-05-11

申请号：US11891122

申请日：2007-08-09

Applicant: Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Yun-Je Oh

Inventor： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Yun-Je Oh

IPC: H04L12/56

CPC classification number: H04L12/4625 ,  H04L47/10 ,  H04L47/13 ,  H04L47/2408 ,  H04L47/2441 ,  H04L47/28 ,  H04L47/31 ,  H04L47/50 ,  H04L47/562

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US07564877B2

公开(公告)日：2009-07-21

申请号：US11147703

申请日：2005-06-08

Applicant: Jae-Hun Cho ,  Jun-Ho Koh ,  Sang-Ho Kim ,  Kwan-Woong Song ,  Young-Hun Joo ,  Yun-Je Oh

Inventor： Jae-Hun Cho ,  Jun-Ho Koh ,  Sang-Ho Kim ,  Kwan-Woong Song ,  Young-Hun Joo ,  Yun-Je Oh

IPC: H04J3/02

CPC classification number: H03K19/1776 ,  H03K19/17744

Abstract: A field programmable gate array (FPGA) for multiplexing data and enable signals input from a plurality of input ports and outputting the multiplexed signal to one output port is disclosed. The FPGA includes a plurality of memories, which are connected to the input ports, for storing the input data and enable signals, respectively, and outputting one-shot signals at trailing edges of the enable signals; and a finite state machine (FSM) for sequentially reading the data signals stored in the memories in an order of the one-shot signals input from the memories.

Abstract translation: 公开了一种用于多路复用数据并使能从多个输入端口输入的信号并将复用的信号输出到一个输出端口的现场可编程门阵列（FPGA）。 FPGA包括连接到输入端口的多个存储器，用于分别存储输入数据和使能信号，并在使能信号的后沿输出单触发信号; 以及用于按照从存储器输入的单触发信号的顺序顺序读取存储在存储器中的数据信号的有限状态机（FSM）。

公开(公告)号：US07388888B2

公开(公告)日：2008-06-17

申请号：US10861058

申请日：2004-06-04

Applicant: Seung-Jin Lee ,  Jae-Hun Cho ,  Yun-Je Oh ,  Jun-Ho Koh

Inventor： Seung-Jin Lee ,  Jae-Hun Cho ,  Yun-Je Oh ,  Jun-Ho Koh

IPC: H04J3/04

CPC classification number: H04Q11/0067 ,  H04L12/64 ,  H04Q2011/0064

Abstract: A broadcast/communication convergence system and method for transmitting and receiving Ethernet data by an optical network unit (ONU) performing a time division multiplexing (TDM) operation and switching by a network switch. A resultant signal is transmitted to a corresponding subscriber set-top box (SSTB), and data from the SSTB is provided to the network switch. A length of an Ethernet data frame is provided from the network switch, and an encapsulation generates and inserts data length information into an Ethernet data frame, for transmission to the SSTB. The SSTB carries out a TDM operation for a signal transmitted from the ONU, and separates the signal into Ethernet and broadcast data. A framing bit is detected based on a result of the separated signals, the length information is detected. A preamble bit and a start-of-field delimiter (SFD) are inserted into the recognized Ethernet data to recover the original Ethernet data.

Abstract translation: 一种广播/通信会聚系统和方法，用于通过执行时分复用（TDM）操作的光网络单元（ONU）和通过网络交换机切换来发送和接收以太网数据。 结果信号被发送到相应的用户机顶盒（SSTB），并且来自SSTB的数据被提供给网络交换机。 从网络交换机提供一长度的以太网数据帧，封装生成并将数据长度信息插入到以太网数据帧中，以传输到SSTB。 SSTB对从ONU发送的信号进行TDM操作，并将信号分离成以太网和广播数据。 基于分离信号的结果检测成帧位，检测长度信息。 将前导码位和起始字段分隔符（SFD）插入识别的以太网数据中以恢复原始以太网数据。

公开(公告)号：US20080117961A1

公开(公告)日：2008-05-22

申请号：US11974402

申请日：2007-10-12

Applicant: Shuangfeng Han ,  Seong-Taek Hwang ,  Hoon Kim ,  Sang-Ho Kim ,  Jae-Hun Cho ,  Jae-Hoon Lee ,  Ki-Uk Song

Inventor： Shuangfeng Han ,  Seong-Taek Hwang ,  Hoon Kim ,  Sang-Ho Kim ,  Jae-Hun Cho ,  Jae-Hoon Lee ,  Ki-Uk Song

IPC: H04L27/00

CPC classification number: H04W52/42 ,  H04B7/043 ,  H04B7/0617 ,  H04B7/0691 ,  H04L1/0625 ,  H04L1/0668 ,  H04W52/04

Abstract: Disclosed is an apparatus and method for adaptively allocating transmission power for beamforming combined with orthogonal space-time block codes (OSTBC) in a distributed wireless communication system, the apparatus comprising: a plurality of sub-arrays for beamforming, which are geographically distributed and each of which comprises a plurality of distributed antennas placed in random groups; and a central processing unit for identifying performances of subsets by applying a predetermined power allocation scheme according to subsets which can be obtained by combining the sub-arrays, by means of a Nakagami fading parameter and information about large-scale fading of each of the sub-arrays, fed back from a receiving party, for determining a subset having a best performance as an optimal subset according to the identified performances, and for performing power allocation based on the subset set as the optimal subset.

Abstract translation: 公开了一种用于在分布式无线通信系统中自适应地分配与正交空时块码（OSTBC）组合的波束成形的发射功率的装置和方法，该装置包括：多个用于波束成形的子阵列，其在地理上分布并且每个 其中包括放置在随机组中的多个分布式天线; 以及中央处理单元，用于通过应用根据可以通过组合子阵列获得的子集的预定功率分配方案，通过Nakagami衰落参数和关于每个子级的大规模衰落的信息来应用子集的性能 - 从接收方反馈的用于根据所识别的性能确定具有最佳性能的子集作为最佳子集的子阵列，以及用于基于所述子集作为所述最佳子集执行功率分配。

公开(公告)号：US20080031198A1

公开(公告)日：2008-02-07

申请号：US11890174

申请日：2007-08-03

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

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

IPC: H04Q7/00

CPC classification number: H04W36/02 ,  H04W36/12 ,  H04W36/18

Abstract: 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.

Abstract translation: 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：US20060274754A1

公开(公告)日：2006-12-07

申请号：US11444786

申请日：2006-06-01

Applicant: Jae-Hun Cho ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jong-Ho Yoon ,  Han-Kyun Jung

Inventor： Jae-Hun Cho ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jong-Ho Yoon ,  Han-Kyun Jung

IPC: H04L12/56 ,  H04J3/06

CPC classification number: H04L12/52 ,  H04L49/351

Abstract: Disclosed is a Residential Ethernet node apparatus for maintaining a starting point of a superframe, the Residential Ethernet node apparatus comprising a synchronous queue for receiving and temporarily storing synchronous data, in order to transmit the synchronous data by inserting the synchronous data into a transmission cycle, a parser for receiving asynchronous frames from at least one exterior source, parsing the asynchronous frames according to characteristics of the asynchronous frames, a plurality of the asynchronous queues for separately storing the asynchronous frames received from the parser according to the characteristics of the asynchronous frames, a scheduler for receiving the asynchronous frames from the asynchronous queues, and transmitting the received asynchronous frame when it is possible to transmit the received asynchronous frame, and a multiplexer, which receives a synchronous frame from the synchronous queue and an asynchronous frame from the scheduler so as to transmit the synchronous frame and asynchronous frame in a form of a transmission cycle while maintaining a starting point of a superframe.

Abstract translation: 公开了一种用于维护超帧起始点的住宅以太网节点设备，该住宅以太网节点设备包括用于接收和临时存储同步数据的同步队列，以便通过将同步数据插入传输周期来发送同步数据， 用于从至少一个外部源接收异步帧的解析器，根据所述异步帧的特征来解析异步帧;多个异步队列，用于根据异步帧的特性分别存储从解析器接收到的异步帧; 调度器，用于从异步队列接收异步帧，并且当可以发送接收到的异步帧时发送接收到的异步帧;多路复用器，其从同步队列接收同步帧，并从调度器接收异步帧 至于t 以传输周期的形式发送同步帧和异步帧，同时保持超帧的起始点。

公开(公告)号：US20060165172A1

公开(公告)日：2006-07-27

申请号：US11336677

申请日：2006-01-20

Applicant: Jun-Ho Koh ,  Chang-Sup Shim ,  Jae-Hun Cho

Inventor： Jun-Ho Koh ,  Chang-Sup Shim ,  Jae-Hun Cho

IPC: H04N7/12 ,  H04N11/04 ,  H04B1/66 ,  H04N11/02

CPC classification number: H04N19/132 ,  H04N19/159 ,  H04N19/172 ,  H04N19/61

Abstract: Disclosed is a method for transmitting asynchronous data in a synchronous Ethernet having a sync frame section and an async frame section. The method includes the steps of: a) allocating a priority to motion picture data for transmission through the sync frame section; b) determining if a size of the data of all frames for transmission in one cycle exceeds the predetermined length; c) dropping motion picture data having a lower priority (e.g. which corresponds to the size of the data exceeding the predetermined length); and d) transmitting the data in one cycle unit when the size of the data to be transmitted does not exceed the predetermined length.

Abstract translation: 公开了一种用于在具有同步帧部分和异步帧部分的同步以太网中发送异步数据的方法。 该方法包括以下步骤：a）为运动图像数据分配优先级以便通过同步帧部分传输; b）确定在一个周期内用于传输的所有帧的数据的大小是否超过预定长度; c）丢弃具有较低优先级的运动图像数据（例如，对应于超过预定长度的数据的大小）; 以及d）当要发送的数据的大小不超过预定长度时，以一个周期单位发送数据。

公开(公告)号：US20050169181A1

公开(公告)日：2005-08-04

申请号：US10862303

申请日：2004-06-07

Applicant: Sang-Ho Kim ,  Jae-Hun Cho ,  Kyu-Hyung Cho ,  Yun-Je Oh

Inventor： Sang-Ho Kim ,  Jae-Hun Cho ,  Kyu-Hyung Cho ,  Yun-Je Oh

IPC: H04L12/70 ,  H04L12/853 ,  H04N7/12 ,  H04N7/173 ,  H04N19/00 ,  H04N19/102 ,  H04N19/152 ,  H04N19/423 ,  H04N19/70 ,  H04N21/238 ,  H04N21/24 ,  H04L12/26

CPC classification number: H04N21/23406 ,  H04N21/23608

Abstract: An apparatus and a method for adjusting a transmission rate of data, in particular a moving picture experts group 2 (MPEG-2) data. The apparatus includes a receiving buffer for buffering multi program transport stream (MPTS) packets received at various transmission rates, and a packet storage for storing MPEG-2 null packets. A signal processing section reads data buffered in the receiving buffer at a predetermined output transmission rate, wherein the signal processing section stops an operation of reading data buffered in the receiving buffer, and reads and transmits the MPEG-2 null packets stored in the packet storage when a predetermined underflow occurrence forecast situation is caused in the receiving buffer. In addition, the method for adjusting a transmission rate of MPEG-2 data includes: reading and transmitting buffered data when a current buffered data point (CF) reaches a predetermined data output point (HF) in a receiving buffer which receives the input MPST packets, stopping the reading of data buffered in the receiving buffer and transmitting MPEG-2 null packets when the current buffered data point ( CF) reaches a predetermined underflow forecast point (QF) in the process of reading the buffered data; and reading and transmitting buffered data when the current buffered data point (CF) reaches the data output point (HF) in the process of transmitting the null packets.

Abstract translation: 一种用于调整数据传输速率，特别是运动图像专家组2（MPEG-2）数据的装置和方法。 该装置包括用于缓冲以各种传输速率接收的多节目传输流（MPTS）分组的接收缓冲器和用于存储MPEG-2空分组的分组存储器。 信号处理部分以预定的输出传输速率读取在接收缓冲器中缓冲的数据，其中信号处理部分停止读取在接收缓冲器中缓冲的数据的操作，并且读取并发送存储在分组存储器中的MPEG-2空分组 当在接收缓冲器中引起预定的下溢发生预测情况时。 此外，用于调整MPEG-2数据的传输速率的方法包括：当当前缓冲数据点（CF）达到接收输入MPST分组的接收缓冲器中的预定数据输出点（HF）时，读取和发送缓冲数据 在读取缓冲数据的过程中，当当前缓冲数据点（CF）达到预定下溢预测点（QF）时，停止读取缓冲在接收缓冲器中的数据并发送MPEG-2空分组; 以及在发送空分组的过程中当当前缓冲数据点（CF）到达数据输出点（HF）时读取和发送缓冲数据。

公开(公告)号：US08923243B2

公开(公告)日：2014-12-30

申请号：US11968682

申请日：2008-01-03

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

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

IPC: G08C17/00 ,  H04L12/28 ,  H04W4/00 ,  H04W36/00 ,  H04J1/16 ,  G06F15/16 ,  H04W80/02 ,  H04W8/04

CPC classification number: H04W36/0011 ,  H04W8/04 ,  H04W8/087 ,  H04W80/02

Abstract: A bridge-based cellular Ethernet system and a handover processing method therefore are provided. In the bridge-based cellular Ethernet system, an HLR manages configuration information about network entities, and a plurality of Base Station Bridges (BSBs) are connected to a plurality of Base Stations (BSs), each BSB including a layer 2 switch, and a plurality of SCBs connected to part of the BSBs under the SCBs. Each SCB includes a layer 2 switch forming a core network, and SCB monitors the signal power of a Mobile Node (MN) within its service area, determines whether the MN is to move to another site, selects a new SCB to which the MN is to move, sends necessary path information to associated SCBs and the HLR, for setting of the path information in the associated SCBs and the HLR, and commands a handover to the MN.

Abstract translation: 因此，提供了一种基于桥的蜂窝以太网系统和切换处理方法。 在基于桥的蜂窝以太网系统中，HLR管理有关网络实体的配置信息，并且多个基站桥（BSB）连接到多个基站（BS），每个BSB包括层2交换机和 多个SCB连接到SCB下的部分BSB。 每个SCB包括形成核心网的层2交换机，并且SCB监视其服务区域内的移动节点（MN）的信号功率，确定MN是否移动到另一站点，选择MN所在的新SCB 向相关联的SCB和HLR发送必要的路径信息，用于设置相关联的SCB和HLR中的路径信息，并且命令切换到MN。