公开(公告)号：US08717480B2

公开(公告)日：2014-05-06

申请号：US12641835

申请日：2009-12-18

Applicant: Min-Woo Lee ,  Hyun-Hee Park ,  Yong-Deok Kim ,  Jae-Hun Cho ,  Yun-Je Oh ,  Sung-Dae Cho

Inventor： Min-Woo Lee ,  Hyun-Hee Park ,  Yong-Deok Kim ,  Jae-Hun Cho ,  Yun-Je Oh ,  Sung-Dae Cho

IPC: H04N5/222

CPC classification number: H04N5/23219 ,  H04N5/23293 ,  H04N5/23296 ,  H04N2101/00

Abstract: A method of displaying a portrait on a display is provided. The method includes determining whether a photographed image is a character-photographed image according to photographing information of the photographed image; executing face detection from the photographed image if it is determined that the photographed image is a character-photographed image; setting a character area in the photographed image according to a result of the face detection; and magnifying and displaying the character area on the display.

Abstract translation: 提供了一种在显示器上显示肖像的方法。 该方法包括根据拍摄的图像的拍摄信息确定拍摄的图像是否为人物拍摄的图像; 如果确定拍摄的图像是字符拍摄图像，则从拍摄图像执行面部检测; 根据脸部检测的结果，在拍摄图像中设定字符区域; 并在显示屏上放大并显示字符区域。

公开(公告)号：US08059666B2

公开(公告)日：2011-11-15

申请号：US11958439

申请日：2007-12-18

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

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

IPC: H04L12/28

CPC classification number: H04W8/04 ,  H04W8/26 ,  H04W40/36 ,  H04W60/00 ,  H04W80/04 ,  H04W88/08 ,  H04W92/02 ,  Y02D70/00

Abstract: A signal processing method in a bridge-based RAS backbone network system is provided, in which an MN within a network periodically transmits to an HLR a route-update message for registration updating, if the MN is in active mode and transmits to the HLR a paging-update message having a transmission period longer than that transmission period of the route-update message, for registration updating, if the MN is in idle mode, each of bridges and the HLR stores location information about the MN in a soft state with an age set for the location information in a routing cache according to the route-update message received from the MN, and each of BSBs, SCBs, and an SIB selected from a plurality of SIBs stores location information about the MN in a soft state with an age set for the location information according to the paging-update message received from the MN.

Abstract translation: 提供了一种基于桥梁的RAS骨干网络系统中的信号处理方法，其中，如果MN处于活动模式并且向HLR发送一个网络中的一个MN周期性地向HLR发送用于注册更新的路由更新消息 寻呼更新消息具有比路由更新消息的传输周期长的传输周期，用于注册更新，如果MN处于空闲模式，则每个网桥和HLR将处于软状态的MN的位置信息存储在软状态中，具有 根据从MN接收到的路由更新消息，在路由高速缓存中为位置信息设置的年龄，并且从多个SIB中选择的每个BSB，SCB和SIB存储关于具有软状态的MN的位置信息，其中 根据从MN接收的寻呼更新消息为位置信息设置的年龄。

公开(公告)号：US07904106B2

公开(公告)日：2011-03-08

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: H04B1/04 ,  H04B7/02 ,  H04B7/00 ,  H04B7/185 ,  H04B1/02 ,  H04B17/00 ,  H04B1/66 ,  H04B3/46 ,  H03C7/02 ,  H04M1/00 ,  H04L27/00 ,  H01Q3/00

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：US07652996B2

公开(公告)日：2010-01-26

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: G01R31/08 ,  G06F11/00 ,  G08C15/00 ,  H04J1/16 ,  H04J3/14 ,  H04L1/00 ,  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 is disclosed 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.

Abstract translation: 公开了一种用于调整数据传输速率的装置和方法，特别是运动图像专家组2（MPEG-2）数据。该装置包括：接收缓冲器，用于缓冲以各种传输速率接收的多节目传输流（MPTS） 以及用于存储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。

公开(公告)号：US20090168808A1

公开(公告)日：2009-07-02

申请号：US12062557

申请日：2008-04-04

Applicant: Jae-Hun CHO ,  Seong-Taek Hwang ,  Byung-Duck Cho ,  Yun-Je Oh

Inventor： Jae-Hun CHO ,  Seong-Taek Hwang ,  Byung-Duck Cho ,  Yun-Je Oh

IPC: H04J3/06 ,  H04B7/185

CPC classification number: G04G7/00 ,  H04J3/0644 ,  H04J3/0664 ,  H04J3/0667 ,  H04J3/0697

Abstract: Disclosed is an apparatus and a method for performing time synchronization by using Global Positioning System (GPS) information in a communication system. The apparatus comprises a grand-master node having a GPS receiver, for generating a synchronizing message required to synchronize time on slave nodes by using Time Of Day (TOD) information received from the GPS receiver and at least one slave node for receiving the synchronizing message required to synchronize time from the grand-master node or from another slave node, for carrying out time synchronization operation by using an Offset and Frequency Compensation Clock (OFCC) synchronization process supporting time offset and frequency separation compensation, and for generating a synchronizing message required to synchronize time on other slave nodes.

Abstract translation: 公开了一种通过在通信系统中使用全球定位系统（GPS）信息来执行时间同步的装置和方法。 该装置包括具有GPS接收机的盛大主节点，用于通过使用从GPS接收机接收的时间（TOD）信息和至少一个从节点接收同步消息来产生用于同步从节点上的时间所需的同步消息 需要同步来自大主节点或另一个从节点的时间，以便通过使用支持时间偏移和频率分离补偿的偏移和频率补偿时钟（OFCC）同步过程来执行时间同步操作，并用于生成所需的同步消息 以在其他从节点上同步时间。

公开(公告)号：US20080240719A1

公开(公告)日：2008-10-02

申请号：US12057580

申请日：2008-03-28

Applicant: Hoon KIM ,  Jae-Hun Cho ,  Seong-Taek Hwang

Inventor： Hoon KIM ,  Jae-Hun Cho ,  Seong-Taek Hwang

IPC: H04J14/02 ,  H04J3/00 ,  H04B10/06

CPC classification number: H04B7/2643 ,  H04B10/2503 ,  H04L5/1484

Abstract: A method of establishing a system delay time and a frame length in a Time Division Duplexing (TDD) system includes adjusting time lengths of an uplink (UL) frame, a downlink (DL) frame, a Transmit/receive Transition Gap (TTG), and a Receive/transmit Transition Gap (RTG); a Base Station (BS) transmitting a DL frame and receiving a UL frame; and a Mobile Station (MS) receiving the DL frame and transmitting the UL frame.

Abstract translation: 一种在时分双工（TDD）系统中建立系统延迟时间和帧长度的方法包括调整上行链路（UL）帧，下行链路（DL）帧，发射/接收转换间隙（TTG） 和接收/发送转换间隙（RTG）; 发送DL帧并接收UL帧的基站（BS）; 以及接收DL帧并发送UL帧的移动站（MS）。

公开(公告)号：US07412169B2

公开(公告)日：2008-08-12

申请号：US10825819

申请日：2004-04-16

Applicant: Young-Hun Joo ,  Jun-Ho Koh ,  Chan-Yul Kim ,  Jae-Hun Cho

Inventor： Young-Hun Joo ,  Jun-Ho Koh ,  Chan-Yul Kim ,  Jae-Hun Cho

IPC: H04J14/00

CPC classification number: H04Q11/0067 ,  H04H20/69 ,  H04J14/0226 ,  H04J14/0232 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0279 ,  H04J14/0282 ,  H04L12/2801 ,  H04N7/17309 ,  H04N7/22 ,  H04Q11/0066 ,  H04Q11/0071

Abstract: A fiber to the home FTTH network for convergence of broadcasting and communication is disclosed. The network includes: an OLT for receiving and converting a first predetermined number of broadcast signals and an Ethernet signal into a plurality of converted optical signals, combining the converted optical signals into converged optical signals for subsequent transmission by an optical wavelength division multiplexing method; and an optical network unit (ONU) for classifying the optical signal transmitted from the OLT into the first predetermined number of broadcast signals and the Ethernet signal, switching a second predetermined number of broadcasting signals of the first predetermined number of broadcasting signals according to each SIU by channel selection information contained in upstream Ethernet information, and switching the Ethernet signal to be transmitted to the SIU according to each SIU so as to transmit the switched signal.

Abstract translation: 公开了一种用于广播和通信融合的家庭FTTH网络的光纤。 该网络包括：OLT，用于将第一预定数量的广播信号和以太网信号转换成多个转换的光信号，将转换的光信号组合成会聚的光信号，用于通过光波分复用方法进行后续传输; 以及用于将从OLT发送的光信号分类为第一预定数量的广播信号和以太网信号的光网络单元（ONU），根据每个SIU切换第一预定数量的广播信号的第二预定数量的广播信号 通过上行以太网信息中包含的信道选择信息，根据各SIU将要发送的以太网信号切换到SIU，以发送切换信号。

公开(公告)号：US20080159230A1

公开(公告)日：2008-07-03

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: H04Q7/00 ,  H04Q7/20

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。

公开(公告)号：US20080151914A1

公开(公告)日：2008-06-26

申请号：US11958439

申请日：2007-12-18

Applicant: Jae-Hun CHO ,  Hoon Kim ,  Seong-Taek Hwang

Inventor： Jae-Hun CHO ,  Hoon Kim ,  Seong-Taek Hwang

IPC: H04L12/28

CPC classification number: H04W8/04 ,  H04W8/26 ,  H04W40/36 ,  H04W60/00 ,  H04W80/04 ,  H04W88/08 ,  H04W92/02 ,  Y02D70/00

Abstract: A signal processing method in a bridge-based RAS backbone network system is provided, in which an MN within a network periodically transmits to an HLR a route-update message for registration updating, if the MN is in active mode and transmits to the HLR a paging-update message having a transmission period longer than that transmission period of the route-update message, for registration updating, if the MN is in idle mode, each of bridges and the HLR stores location information about the MN in a soft state with an age set for the location information in a routing cache according to the route-update message received from the MN, and each of BSBs, SCBs, and an SIB selected from a plurality of SIBs stores location information about the MN in a soft state with an age set for the location information according to the paging-update message received from the MN.

Abstract translation: 提供了一种基于桥梁的RAS骨干网系统中的信号处理方法，其中，如果MN处于活动模式并且向HLR发送一个网络中的一个MN周期性地向HLR发送用于注册更新的路由更新消息 寻呼更新消息具有比路由更新消息的传输周期长的传输周期，用于注册更新，如果MN处于空闲模式，则每个网桥和HLR将处于软状态的MN的位置信息存储在软状态中，具有 根据从MN接收到的路由更新消息，在路由高速缓存中为位置信息设置的年龄，并且从多个SIB中选择的每个BSB，SCB和SIB存储关于具有软状态的MN的位置信息，其中 根据从MN接收的寻呼更新消息为位置信息设置的年龄。

公开(公告)号：US07340171B2

公开(公告)日：2008-03-04

申请号：US10937626

申请日：2004-09-09

Applicant: Kwan-Woong Song ,  Jeong-Rok Park ,  Jae-Hun Cho ,  Jun-Ho Koh

Inventor： Kwan-Woong Song ,  Jeong-Rok Park ,  Jae-Hun Cho ,  Jun-Ho Koh

IPC: H04J14/00

CPC classification number: H04H20/77 ,  H04J14/02 ,  H04J14/0226 ,  H04J14/0232 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282 ,  H04Q11/0067 ,  H04Q2011/0064

Abstract: A broadcast/communication convergence system, and an FTTH (Fiber To The Home) system that can accommodate broadcast signals of various channels and variable band signals by converging broadcast and communication signals and transmitting the converged broadcast and communication signals using an IEEE 1394 transmission method serving as a standard interface in the FTTH system for broadcast/communication convergence. An OLT (Optical Line Terminal) transfers a plurality of broadcast signals and a communication signal received from external broadcast and communication providers through a single optical signal (A). An ONU (Optical Network Unit) receives the optical signal (A) from the OLT, separates the received optical signal into the plurality of broadcast signals and the communication signal, opto-electrically converts the plurality of broadcast signals and the communication signal, switches the converted broadcast signals subscriber by subscriber, combines the converted communication signal with the switched converted broadcast signals. The result is transferred to a corresponding subscriber through a single optical signal (B). A gateway at each subscriber is implemented by IEEE 1394 protocol to receive the optical signal (B) from the ONU, separate the received optical signal into the broadcast signals and the communication signal, and transfer the broadcast signals and the communication signal to a corresponding subscriber device.

Abstract translation: 广播/通信会聚系统和FTTH（光纤到户）系统，其可以通过会聚广播和通信信号并且使用服务的IEEE 1394传输方法来发送会聚的广播和通信信号来适应各种频道和可变频带信号的广播信号 作为广播/通信融合FTTH系统的标准接口。 OLT（光线路终端）通过单个光信号（A）传送从外部广播和通信提供者接收的多个广播信号和通信信号。 ONU（光网络单元）从OLT接收光信号（A），将接收到的光信号分离成多个广播信号和通信信号，对多个广播信号和通信信号进行光电转换，切换 由用户转换的广播信号用户组合转换后的通信信号与切换转换的广播信号。 结果通过单个光信号（B）传送到相应的用户。 每个用户的网关由IEEE 1394协议实现，用于从ONU接收光信号（B），将接收的光信号分离成广播信号和通信信号，并将广播信号和通信信号传送到相应的用户 设备。