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1. 发明授权

US08126467B2 Method for controlling handoff in optical distributed network system using multi input multi output 有权
标题翻译：使用多输入多输出控制光分布式网络系统切换的方法
公开(公告)号：US08126467B2
公开(公告)日：2012-02-28
申请号：US11623791
申请日：2007-01-17
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： H04W36/00
CPC分类号： H04W36/18
摘要： A method for controlling a handoff in an optical distributed network system using MIMO (multi input multi output) is disclosed. The method includes steps of classifying a channel into a first channel and a second channel, and setting an active cell, receiving and measuring a signal strength of a predetermined cell, and determining on/off of the predetermined cell, when the predetermined cell turns on, releasing the first channel of the active cell, switching a path to a first channel of the predetermined cell, and keeping the second channel of the active cell, receiving and measuring a signal strength of the active cell, and when the measured signal strength is a preset critical value or less, turning off the active cell and when the active cell turns off, releasing the second channel of the active cell, and switching the path to a second channel of the predetermined cell.
摘要翻译：公开了一种使用MIMO（多输入多输出）控制光分布式网络系统中切换的方法。该方法包括以下步骤：将信道分类为第一信道和第二信道，并且当预定小区接通时，设置活动小区，接收和测量预定小区的信号强度，以及确定预定小区的开/关释放活动小区的第一信道，切换到预定小区的第一信道的路径，并保持活动小区的第二信道，接收并测量活动小区的信号强度，并且当测得的信号强度为预设的临界值或更小，关闭活动小区，并且当活动小区关闭时，释放活动小区的第二信道，并将路径切换到预定小区的第二信道。

2. 发明授权

US07489686B2 Optical network unit for an access network employing IEEE 1394 失效
标题翻译：用于采用IEEE 1394的接入网络的光网络单元
公开(公告)号：US07489686B2
公开(公告)日：2009-02-10
申请号：US10942239
申请日：2004-09-16
申请人： Do-In Choi , Yun-Je Oh
发明人： Do-In Choi , Yun-Je Oh
IPC分类号： H04L12/56
CPC分类号： H04Q11/0067 , H04L12/6418 , H04Q11/0005 , H04Q11/0066 , H04Q11/0071
摘要： Disclosed is an optical network unit of an access network for converging broadcast/telecommunication by employing IEEE 1394. The optical network unit processes the broadcast data and the communication data delivered from the optical line terminal according to each corresponding subscriber and delivering the broadcast data and the communication data to each corresponding subscriber. Furthermore, the optical network unit includes a synchronous optical network (SONET) demultiplexer for receiving the broadcast data from the optical line terminal to demultiplex the broadcast data according to each broadcast channel, a broadcast switch part for switching data of each broadcast channel, demultiplexed by the synchronous optical network (SONET) demultiplexer, according to each subscriber unit to deliver the data to each subscriber unit, an Internet protocol (IP) control part for receiving the communication data from the optical line terminal, a main control part for controlling switching with respect to the data according to each channel of each subscriber unit in the broadcast switch part and delivering the communication data from the IP control part to each subscriber unit, a 1394 link layer controller/physical layer controller for converting the data of each broadcast channel delivered from the broadcast switch part and the communication data from the main control part into data of an IEEE 1394 format to deliver the data of the IEEE 1394 format, and an optical transmitting/receiving part for performing optical transmission together with the subscriber units.
摘要翻译：公开了一种通过采用IEEE 1394进行广播/电信会议的接入网络的光网络单元。光网络单元根据每个对应的用户处理从光线路终端传送的广播数据和通信数据，并传送广播数据和通信数据给每个相应的用户。此外，光网络单元包括同步光网络（SONET）解复用器，用于从光线路终端接收广播数据，根据每个广播信道对广播数据进行解复用，用于切换每个广播信道的数据的广播切换部分，同步光网络（SONET）解复用器，根据每个用户单元将数据传送到每个用户单元，用于从光线路终端接收通信数据的因特网协议（IP）控制部分，用于控制切换的主控制部分对于根据广播切换部分中的每个用户单元的每个信道的数据，并将通信数据从IP控制部分传送到每个用户单元，1394链路层控制器/物理层控制器，用于转换所传送的每个广播信道的数据从广播切换部分和主控部分的通信数据转换为IEEE 1394格式的数据以传送IEEE 1394格式的数据，以及用于与用户单元一起执行光传输的光发送/接收部分。

3. 发明申请

US20080064425A1 Transmission method using scalable video coding and mobile communication system using same 审中-公开
标题翻译：使用可扩展视频编码和移动通信系统的传输方法采用相同的方式
公开(公告)号：US20080064425A1
公开(公告)日：2008-03-13
申请号：US11801731
申请日：2007-05-10
申请人： Yong-Gyoo Kim , Do-In Choi , Sung-Kee Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Yong-Gyoo Kim , Do-In Choi , Sung-Kee Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04Q7/20 , H04B1/66
CPC分类号： H04N21/6405 , H04L1/0003 , H04L1/0009 , H04L1/0045 , H04L5/0007 , H04L5/0046 , H04L5/006 , H04N19/164 , H04N19/187 , H04N19/67 , H04N21/234327 , H04N21/234363 , H04N21/234381 , H04N21/2383 , H04N21/2402 , H04N21/2662 , H04W4/06
摘要： A mobile communication system for providing a multicast/broadcast service is disclosed. The mobile communication systems comprise a base station that encodes video data of the mobile communication system into scalable bit streams and adaptively modulates and channel codes the scalable bit streams. A mobile communication terminal receives, demodulates and channel decodes the scalable bit streams transmitted from the base station and performs a process for scalable decoding the bit streams according to reception sensitivity. Overall system efficiency can be improved while increasing a transmission rate using scalable video coding according to channel characteristics between the mobile communication terminal and the base station in the multicast/broadcast service. Quality of service (QoS) can be provided based on the performance of the mobile communication terminal.
摘要翻译：公开了一种用于提供组播/广播服务的移动通信系统。移动通信系统包括：基站，其将移动通信系统的视频数据编码成可缩放比特流，并自适应地对可缩放比特流进行调制和信道编码。移动通信终端接收对从基站发送的可缩放比特流进行解调和信道解码，并根据接收灵敏度执行用于对比特流进行可扩展解码的处理。可以根据多播/广播服务中的移动通信终端与基站之间的信道特性，使用可伸缩视频编码来提高传输速率，从而提高整体系统效率。可以基于移动通信终端的性能来提供服务质量（QoS）。

4. 发明申请

US20070189261A1 METHOD FOR CONTROLLING HANDOFF IN OPTICAL DISTRIBUTED NETWORK SYSTEM USING MULTI INPUT MULTI OUTPUT 有权
标题翻译：使用多输入多输出控制光分布式网络系统中的切换方法
公开(公告)号：US20070189261A1
公开(公告)日：2007-08-16
申请号：US11623791
申请日：2007-01-17
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： H04B7/212
CPC分类号： H04W36/18
摘要： A method for controlling a handoff in an optical distributed network system using MIMO (multi input multi output) is disclosed. The method includes steps of classifying a channel into a first channel and a second channel, and setting an active cell, receiving and measuring a signal strength of a predetermined cell, and determining on/off of the predetermined cell, when the predetermined cell turns on, releasing the first channel of the active cell, switching a path to a first channel of the predetermined cell, and keeping the second channel of the active cell, receiving and measuring a signal strength of the active cell, and when the measured signal strength is a preset critical value or less, turning off the active cell and when the active cell turns off, releasing the second channel of the active cell, and switching the path to a second channel of the predetermined cell.
摘要翻译：公开了一种使用MIMO（多输入多输出）控制光分布式网络系统中切换的方法。该方法包括以下步骤：将信道分类为第一信道和第二信道，并且当预定小区接通时，设置活动小区，接收和测量预定小区的信号强度，以及确定预定小区的开/关释放活动小区的第一信道，切换到预定小区的第一信道的路径，并保持活动小区的第二信道，接收并测量活动小区的信号强度，并且当测得的信号强度为预设的临界值或更小，关闭活动小区，并且当活动小区关闭时，释放活动小区的第二信道，并将路径切换到预定小区的第二信道。

5. 发明申请

US20070184841A1 Optical distributed network system using multi input multi output 审中-公开
标题翻译：光分布式网络系统采用多输入多输出
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。

6. 发明申请

US20060045106A1 Repeater apparatus for supporting a plurality of protocols, and a method for controlling protocol conversion in the repeater apparatus 失效
标题翻译：用于支持多个协议的中继器装置，以及用于在中继器装置中控制协议转换的方法
公开(公告)号：US20060045106A1
公开(公告)日：2006-03-02
申请号：US11190415
申请日：2005-07-27
申请人： Jong-Hun Lee , Young-Seok Kim , Do-In Choi
发明人： Jong-Hun Lee , Young-Seok Kim , Do-In Choi
IPC分类号： H04L12/56 , H04J3/16
CPC分类号： H04L12/46
摘要： Disclosed are an Ethernet-IEEE 1394 repeater apparatus as a network transmission equipment wherein a protocol conversion can be performed to operate a single repeater combining therein an Ethernet repeater function, and a method for protocol conversion thereof. The repeater apparatus, for supporting a plurality of protocol including a first protocol and a second protocol which use the same transmission media, includes an input interface for inputting therein data through an input transmission media; a first protocol physical element for performing a modulation/demodulation process of a first protocol data to transmit the data; a second protocol physical element for performing a modulation/demodulation process of a second protocol data to transmit the data; an output interface for outputting the data through an output transmission media; a first switch for switching the data input to the input interface to one of the first protocol physical element and the second protocol physical element; a second switch, tuned with the first switch, for switching an output path to one of the first protocol physical element and the second protocol physical element, the output path being connected to the output interface; and a control unit for receiving a protocol information of data sent from one of the first protocol physical element and the second protocol physical element to control the first switch and the second switch based on the received protocol information, the one being selectively connected based on the current switching condition of the physical element.
摘要翻译：公开了作为网络传输设备的以太网-IEEE 1394中继器装置，其中可以执行协议转换以对其中组合以太网中继器功能的单个中继器进行操作，以及用于其协议转换的方法。用于支持包括使用相同传输介质的第一协议和第二协议的多个协议的中继器装置包括用于通过输入传输介质在其中输入数据的输入接口; 用于执行第一协议数据的调制/解调处理以传输数据的第一协议物理元件; 用于执行第二协议数据的调制/解调处理以传送数据的第二协议物理元件; 输出接口，用于通过输出传输介质输出数据; 用于将输入到输入接口的数据切换到第一协议物理元件和第二协议物理元件之一的第一开关; 用第一开关调谐的第二开关，用于将输出路径切换到第一协议物理元件和第二协议物理元件之一，输出路径连接到输出接口; 以及控制单元，用于接收从所述第一协议物理元件和所述第二协议物理元件之一发送的数据的协议信息，以基于所接收的协议信息来控制所述第一交换机和所述第二交换机，所述协议信息基于所述协议信息被选择性地连接物理元件的当前切换条件。

7. 发明申请

US20050152651A1 Assembly of passive socket and plug for optical home network 失效
标题翻译：用于光学家庭网络的被动插座和插头的组装
公开(公告)号：US20050152651A1
公开(公告)日：2005-07-14
申请号：US10861068
申请日：2004-06-04
申请人： Lae-Kyoung Kim , Do-In Choi , Yun-Je Oh , Hee-Won Cheung , Jong-Hun Lee
发明人： Lae-Kyoung Kim , Do-In Choi , Yun-Je Oh , Hee-Won Cheung , Jong-Hun Lee
IPC分类号： H04B10/02 , G02B6/35 , G02B6/38
CPC分类号： G02B6/3508 , G02B6/355 , G02B6/3564 , G02B6/3568 , G02B6/3574 , G02B6/3845 , G02B6/3893
摘要： An assembly for an optical home network includes a socket having input and output optical fibers, for transmitting optical signals, installed at corresponding positions of both sides of a connection hole. The assembly further includes a plug connected to a device and including input and output optical transmission lines respectively connected to the input and output optical fibers when the plug is inserted into the connection hole of the socket so as to be connected to the socket. The optical signals transmitted through the input and output optical fibers pass through the socket when the plug is not connected to the passive socket, and are transmitted to the device through the plug when the plug is connected to the socket.
摘要翻译：用于光学家庭网络的组件包括具有输入和输出光纤的插座，用于传输安装在连接孔两侧的对应位置处的光信号。组件还包括连接到设备的插头，并且当插头插入插座的连接孔中以连接到插座时，包括分别连接到输入和输出光纤的输入和输出光传输线。当插头未连接到被动插座时，通过输入和输出光纤传输的光信号通过插座，并且当插头连接到插座时通过插头传输到设备。

8. 发明申请

US20050114572A1 Home network service platform apparatus employing IEEE 1394 审中-公开
标题翻译：采用IEEE 1394的家庭网络服务平台装置
公开(公告)号：US20050114572A1
公开(公告)日：2005-05-26
申请号：US10862252
申请日：2004-06-07
申请人： Hee-Won Cheung , Do-In Choi , Yun-Je Oh , Lae-Kyoung Kim
发明人： Hee-Won Cheung , Do-In Choi , Yun-Je Oh , Lae-Kyoung Kim
IPC分类号： H04L12/28 , G06F13/38 , H04L29/06
CPC分类号： H04L69/08 , G06F2213/0012
摘要： A network service platform apparatus employing an IEEE 1394 protocol is disclosed. The network service platform apparatus includes a first optical transceiver connected to an external service gateway to receive downstream data from the external service gateway and transfer upstream data to the external service gateway, a first IEEE 1394 physical unit connected to the first optical transceiver to perform a physical layer operation of an IEEE 1394 protocol with respect to the downstream data, and to transfer the upstream data to the first optical transceiver, and an IEEE 1394 link unit connected to the first IEEE 1394 physical unit to deliver isochronous data of the downstream data by performing a link layer operation of the IEEE 1394 protocol, and to send asynchronous data to be delivered to the service gate to the first IEEE 1394 physical unit as upstream data by performing the link layer operation of the IEEE 1394 protocol with respect to the asynchronous data. In addition, the home network service platform apparatus includes an Application Protocol Interface connected to the IEEE 1394 link unit to output IEEE 1394 isochronous data, an IEEE 1394 bridge unit having a first bus connected to the first IEEE 1394 physical unit and a second bus connected to the first IEEE 1394 physical unit in order to transmit/receive data between the first bus and the second bus, and a second IEEE 1394 physical unit which is connected to the IEEE 1394 bridge unit through the second bus and connected to an IEEE 1394 unit using a bus independent of the IEEE 1394 apparatus.
摘要翻译：公开了一种采用IEEE 1394协议的网络服务平台装置。网络服务平台装置包括连接到外部服务网关以从外部服务网关接收下游数据并将上行数据传送到外部服务网关的第一光收发器，连接到第一光收发器的第一IEEE 1394物理单元，以执行 IEEE 1394协议相对于下游数据的物理层操作，以及将上行数据传送到第一光收发器，以及连接到第一IEEE 1394物理单元的IEEE 1394链路单元，以通过以下方式传送下行数据的等时数据：执行IEEE 1394协议的链路层操作，并且通过相对于异步数据执行IEEE 1394协议的链路层操作，发送要传送到作为上行数据的第一IEEE 1394物理单元的服务门的异步数据。此外，家庭网络服务平台装置包括连接到IEEE 1394链路单元以输出IEEE 1394同步数据的应用协议接口，具有连接到第一IEEE 1394物理单元的第一总线的IEEE 1394桥接单元和连接到第一总线的第二总线到第一IEEE 1394物理单元以在第一总线和第二总线之间发送/接收数据，以及第二IEEE 1394物理单元，其通过第二总线连接到IEEE 1394桥接器单元并连接到IEEE 1394单元使用独立于IEEE 1394设备的总线。

9. 发明申请

US20050101246A1 MPEG2 SPTS-splitting type subscriber distribution system and distribution method thereof 审中-公开
标题翻译： MPEG2 SPTS分割式用户分配系统及其分发方法
公开(公告)号：US20050101246A1
公开(公告)日：2005-05-12
申请号：US10706494
申请日：2003-11-12
申请人： Do-In Choi , Yun-Je Oh , Jun-Ho Koh
发明人： Do-In Choi , Yun-Je Oh , Jun-Ho Koh
IPC分类号： H04N7/10 , H04H20/00 , H04J3/00 , H04J3/04 , H04L12/28 , H04N7/16 , H04N21/61 , H04H1/00
CPC分类号： H04N21/6587 , H04N7/17318 , H04N21/23608 , H04N21/2362 , H04N21/472 , H04N21/64322
摘要： A subscriber distribution system for distributing broadcasting data to subscribers through a subscriber network. The subscriber distribution system has a PID filter section for checking contents of an inputted MPEG2 MPTS frame and splitting the MPEG2 MPTS frame into SPTS, a table regenerator for regenerating a PAT and a PMT that correspond with the SPTS by changing contents in the PAT and the PMT. An SPTS splitting and storing section stores the SPTS at high speed in a memory area of a buffer, which is assigned to subscribers according to PIDS. A subscriber distribution section selecting the SPTS requested by subscribers and storing the SPTS in the memory area of the buffer assigned to subscribers. A control section receives MPTS information from a higher network to provide MPTS information to the PID filter section and the table regenerator, and receives a request for a program from subscribers, and transfers the request to the subscriber distribution section.
摘要翻译：一种用户分配系统，用于通过用户网络向用户分发广播数据。用户分配系统具有用于检查输入的MPEG2 MPTS帧的内容并将MPEG2 MPTS帧分割成SPTS的PID滤波器部分，用于通过改变PAT中的内容来再现与PTS对应的PAT和PMT的表再生器， PMT。 SPTS分割存储部分将SPTS高速存储在根据PIDS分配给用户的缓冲器的存储区域中。用户分配部分，选择由用户请求的SPTS，并将SPTS存储在分配给用户的缓冲器的存储器区域中。控制部分从较高的网络接收MPTS信息以向PID过滤部分和表再生器提供MPTS信息，并且从订户接收节目的请求，并将该请求传送到用户分发部分。

10. 发明授权

US08009742B2 Method and system for retransmitting internet protocol packet for terrestrial digital multimedia broadcasting service 失效
标题翻译：用于地面数字多媒体广播业务重传互联网协议报文的方法和系统
公开(公告)号：US08009742B2
公开(公告)日：2011-08-30
申请号：US11900873
申请日：2007-09-12
申请人： Sung-Kee Kim , Do-In Choi , Yong-Gyoo Kim , Yun-Je Oh , Seong-Taek Hwang
发明人： Sung-Kee Kim , Do-In Choi , Yong-Gyoo Kim , Yun-Je Oh , Seong-Taek Hwang
IPC分类号： H04N11/02 , H04N7/20 , H04N7/173 , H04N7/16 , H04J3/16
CPC分类号： H04L65/607 , H04L65/608 , H04N21/234318 , H04N21/4307 , H04N21/64707
摘要： A system and method for retransmitting an Internet protocol packet for terrestrial digital multimedia broadcasting (DMB) service are provided, in which a PES packetizer and an MPEG-2 TS multiplexer are removed; video, audio, and data signals are individually carried by RTP packets; and a receiver extracts object clock reference (OCR) included in a MPEG-4 SL, and synchronizes a system clock and controls buffers by means of the OCR.
摘要翻译：提供了一种用于重新发送用于地面数字多媒体广播（DMB）业务的因特网协议分组的系统和方法，其中PES分组器和MPEG-2TS多路复用器被去除; 视频，音频和数据信号由RTP包分别承载; 并且接收器提取包含在MPEG-4SL中的对象时钟参考（OCR），并且通过OCR同步系统时钟并控制缓冲器。

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