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11. 发明申请

US20070133995A1 Remote access unit and radio-over-fiber network using same 失效
标题翻译：远程访问单元和使用相同的光纤网络
公开(公告)号：US20070133995A1
公开(公告)日：2007-06-14
申请号：US11607700
申请日：2006-12-01
申请人： Jae-Hoon Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Yong-Gyoo Kim , Sung-Kee Kim , Han-Lim Lee
发明人： Jae-Hoon Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Sang-Ho Kim , Yong-Gyoo Kim , Sung-Kee Kim , Han-Lim Lee
IPC分类号： H04B10/00
CPC分类号： H04B10/25758
摘要： A remote access unit (RAU) apparatus, coupled to a central station (CS) of an RoF network through at least one optical fiber, and which RAU apparatus includes at least one antenna, includes: first and second antenna ports coupled to the at least one antenna; first and second optical fiber ports coupled to the at least one optical fiber; a first coupler for decoupling a first downstream signal of a first duplexing method and a second downstream signal of a second duplexing method, which are input through the first optical fiber port; a circulator for outputting the first downstream signal input from the first coupler to the first antenna port and outputting a first upstream signal of the first duplexing method input from the first antenna port to the second optical fiber port; and a second coupler for outputting the second downstream signal input from the first coupler to the second antenna port and outputting a second upstream signal of the second duplexing method input from the second antenna port to the second optical fiber port.
摘要翻译：一种远程接入单元（RAU）装置，其通过至少一个光纤耦合到RoF网络的中心站（CS），并且所述RAU设备包括至少一个天线，包括：耦合到所述至少一个天线的第一和第二天线端口一个天线耦合到所述至少一个光纤的第一和第二光纤端口; 用于去耦第一双工方法的第一下行信号和通过第一光纤端口输入的第二双工方法的第二下行信号的第一耦合器; 输出从第一耦合器输入的第一下行信号到第一天线端口的循环器，并输出从第一天线端口输入到第二光纤端口的第一双工方式的第一上行信号; 以及第二耦合器，用于将从第一耦合器输入的第二下行信号输出到第二天线端口，并输出从第二天线端口输入到第二光纤端口的第二双工方法的第二上行信号。

12. 发明授权

US08594424B2 Apparatus and method for recognizing characters using a camera 有权
标题翻译：使用相机识别字符的装置和方法
公开(公告)号：US08594424B2
公开(公告)日：2013-11-26
申请号：US12632118
申请日：2009-12-07
申请人： Seong-Taek Hwang , Sang-Wook Oh , Hyun-Soo Kim , Sang-Ho Kim , Hee-Min Kwon , Yun-Je Oh , Byung-Jik Kim
发明人： Seong-Taek Hwang , Sang-Wook Oh , Hyun-Soo Kim , Sang-Ho Kim , Hee-Min Kwon , Yun-Je Oh , Byung-Jik Kim
IPC分类号： G06K9/34 , G06K9/00
CPC分类号： H04N5/225 , G06K9/228 , G06K9/723 , G06K2209/01
摘要： An apparatus and method for recognizing characters of an image captured using a camera in a mobile terminal are provided, wherein an image of a signboard is captured, a text area is extracted from the captured image of the signboard, characters are recognized from the extracted text area, similar characters up to a predetermined priority level are generated for each recognized character of the extracted text area, location information of an area within a predetermined range from a current position of a user is acquired, store names are extracted from the location information, text is generated by combining the similar characters according to weights, the text are compared with the extracted store names, and a comparison result is output.
摘要翻译：提供一种用于识别在移动终端中使用相机拍摄的图像的字符的装置和方法，其中捕获招牌的图像，从所述招牌的所捕获的图像中提取文本区域，从所提取的文本中识别字符为所提取的文本区域的每个识别字符生成直到预定优先级的类似字符，获取来自用户的当前位置的预定范围内的区域的位置信息，从位置信息中提取存储名称，通过根据权重组合相似的字符来生成文本，将文本与提取的商店名称进行比较，并输出比较结果。

13. 发明授权

US08552302B2 Embedded circuit board and manufacturing method thereof 有权
标题翻译：嵌入式电路板及其制造方法
公开(公告)号：US08552302B2
公开(公告)日：2013-10-08
申请号：US12974763
申请日：2010-12-21
申请人： Kyung-Wan Park , Shi-Yun Cho , Byung-Jik Kim , Ho-Seong Seo , Youn-Ho Choi , Yu-Su Kim , Seok-Myong Kang , Ji-Hyun Jung
发明人： Kyung-Wan Park , Shi-Yun Cho , Byung-Jik Kim , Ho-Seong Seo , Youn-Ho Choi , Yu-Su Kim , Seok-Myong Kang , Ji-Hyun Jung
IPC分类号： H05K1/03
CPC分类号： H05K3/10 , H05K1/03 , H05K1/18
摘要： An embedded circuit board is disclosed including a first copper clad laminate formed with a plurality of cavities and including a plurality of chips having different thicknesses embedded in the cavities, a second copper clad laminate provided in the cavities to allow the first copper clad laminate to level with the chips; and a resin coated copper foil provided on upper surfaces of the first and second copper clad laminates.
摘要翻译：公开了一种嵌入式电路板，其包括形成有多个空腔的第一覆铜层压板，并且包括嵌入空腔中的具有不同厚度的多个芯片，设置在该空腔中的第二覆铜层压板，以使第一覆铜层压板达到与芯片; 以及设置在第一和第二覆铜层压板的上表面上的树脂涂覆铜箔。

14. 发明授权

US08295211B2 Method for concurrently transmitting and receiving data through heterogeneous communication networks and apparatus using the same 有权
标题翻译：通过异构通信网络同时发送和接收数据的方法及使用其的装置
公开(公告)号：US08295211B2
公开(公告)日：2012-10-23
申请号：US12269986
申请日：2008-11-13
申请人： Jae-Hoon Lee , Ki-Uk Song , Seong-Taek Hwang , Byung-Jik Kim
发明人： Jae-Hoon Lee , Ki-Uk Song , Seong-Taek Hwang , Byung-Jik Kim
IPC分类号： H04J3/00
CPC分类号： H04L5/1469 , H04L5/0007 , H04L5/0044
摘要： A method for transmitting/receiving data in an orthogonal frequency division multiple access-time division duplex (OFDMA-TDD) scheme. A first uplink signal and a first downlink signal of a specific band are periodically transmitted/received within a time-divided section. A second uplink signal and a second downlink signal are periodically transmitted/received, and the second signal is of a band other than the specific band, within the time-divided section, wherein, during a time section in which the first downlink signal is transmitted, the second uplink signal is received.
摘要翻译：一种用于在正交频分多址接入时分双工（OFDMA-TDD）方案中发送/接收数据的方法。在分时段内周期性地发送/接收特定频带的第一上行链路信号和第一下行链路信号。周期性地发送/接收第二上行链路信号和第二下行链路信号，并且第二信号是在分时段内的特定频带之外的频带，其中在发送第一下行链路信号的时间段期间，接收第二上行链路信号。

15. 发明授权

US08060126B2 Method of allocating transmission power based on symbol error rate for orthogonal space-time block codes in a distributed wireless communication system 有权
标题翻译：基于分布式无线通信系统中正交空时块码的符号误码率分配发射功率的方法
公开(公告)号：US08060126B2
公开(公告)日：2011-11-15
申请号：US12018887
申请日：2008-01-24
申请人： Shuangfeng Han , Seong-Taek Hwang , Byung-Jik Kim , Han-Lim Lee
发明人： Shuangfeng Han , Seong-Taek Hwang , Byung-Jik Kim , Han-Lim Lee
IPC分类号： H04B7/00 , H04B1/66 , H04C7/02
CPC分类号： H04W52/42 , H04W52/20
摘要： Disclosed is a device for allocating transmission power using a symbol error rate (SER) for orthogonal space-time block codes (OSTBC) in a wireless communication system. The device includes: a plurality of antennas, which are distributed geographically and independently linked to a central processing unit; a receiver to select an optimum subset of the SER performance, using a preset power allocation to each of available antenna subset combinations, and sending the selected subset to a transmitter; and a central processing unit to allocate power by applying an OSTBC symbol having a unit average power to the optimum subset from the receiver.
摘要翻译：公开了一种用于在无线通信系统中使用正交空时块码（OSTBC）的符号错误率（SER）来分配发送功率的装置。该设备包括：多个天线，分布在地理上和独立地连接到中央处理单元; 使用对每个可用天线子组合的预设功率分配以及将所选择的子集发送到发射机的接收机来选择SER性能的最佳子集; 以及中央处理单元，通过从接收器向最佳子集应用具有单位平均功率的OSTBC符号来分配功率。

16. 发明授权

US07796891B2 ROF link system for supporting various services 有权
标题翻译： ROF链路系统支持各种业务
公开(公告)号：US07796891B2
公开(公告)日：2010-09-14
申请号：US11633838
申请日：2006-12-05
申请人： Han-Lim Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Jae-Hoon Lee , Yong-Gyoo Kim , Sang-Ho Kim , Sung-Kee Kim
发明人： Han-Lim Lee , Seong-Taek Hwang , Byung-Jik Kim , Gyu-Woong Lee , Hoon Kim , Jae-Hoon Lee , Yong-Gyoo Kim , Sang-Ho Kim , Sung-Kee Kim
IPC分类号： H04B10/00
CPC分类号： H04B10/25758 , H04H20/69 , H04H20/71 , H04W88/085 , H04W88/10
摘要： Disclosed is a radio-over-fiber (ROF) system for supporting various services, the system comprising: a central access platform (CAP) for providing time division duplexing (TDD), frequency division duplexing (FDD), and broadcasting services, converting a TDD downward signal and FDD/broadcasting downward signals into optical signals, respectively, transmitting the converted optical signals to a remote access unit (RAU), converting a TDD upward signal and an FDD upward signal, which have been transmitted as optical signals from the RAU, into electric signals, respectively, and using an optical circulator in order to separate upward and downward signals from each other; and the RAU for converting the TDD downward signal and FDD/broadcasting downward signals transmitted from the CAP into electric signals, respectively, converting the TDD upward signal and FDD upward signal to be transmitted to the CAP into optical signals, respectively, and using an optical circulator in order to separate upward and downward signals from each other, wherein the RAU includes a plurality of signal filtering/separating/combining units, which wirelessly emit the TDD downward signal and FDD/broadcasting downward signals, having been converted into electric signals, through an antenna, and which separate wirelessly-received TDD upward signal and FDD upward signal from each other.
摘要翻译：公开了用于支持各种业务的无线电光纤（ROF）系统，该系统包括：用于提供时分双工（TDD），频分双工（FDD）和广播服务的中央接入平台（CAP） TDD向下信号和FDD /广播向下信号分别转换成光信号，将转换后的光信号发送到远程接入单元（RAU），转换已经作为光信号从RAU发送的TDD上行信号和FDD向上信号分别变成电信号，并使用光循环器，以便彼此分离上下信号; 以及分别将从CAP发送的TDD向下信号和FDD /广播向下信号转换成电信号的RAU，分别将TDD向上信号和FDD向上信号转换为发送到CAP的光信号，并使用光循环器，以便彼此分离上下信号，其中RAU包括多个信号滤波/分离/组合单元，其经过转换成电信号无线地发射TDD向下信号和FDD /广播向下信号，通过天线，并且将无线接收的TDD上行信号和FDD上行信号彼此分离。

17. 发明申请

US20080182611A1 METHOD OF ALLOCATING TRANSMISSION POWER BASED ON SYMBOL ERROR RATE FOR ORTHOGONAL SPACE-TIME BLOCK CODES IN A DISTRIBUTED WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：基于分布式无线通信系统中正交空时块的符号误码率分配传输功率的方法
公开(公告)号：US20080182611A1
公开(公告)日：2008-07-31
申请号：US12018887
申请日：2008-01-24
申请人： Shuangfeng Han , Seong-Taek Hwang , Byung-Jik Kim , Han-Lim Lee
发明人： Shuangfeng Han , Seong-Taek Hwang , Byung-Jik Kim , Han-Lim Lee
IPC分类号： H04B7/00
CPC分类号： H04W52/42 , H04W52/20
摘要： Disclosed is a device for allocating transmission power using a symbol error rate (SER) for orthogonal space-time block codes (OSTBC) in a wireless communication system. The device includes: a plurality of antennas, which are distributed geographically and independently linked to a central processing unit; a receiver to select an optimum subset of the SER performance, using a preset power allocation to each of available antenna subset combinations, and sending the selected subset to a transmitter; and a central processing unit to allocate power by applying an OSTBC symbol having a unit average power to the optimum subset from the receiver.
摘要翻译：公开了一种用于在无线通信系统中使用正交空时块码（OSTBC）的符号错误率（SER）来分配发送功率的装置。该设备包括：多个天线，分布在地理上和独立地连接到中央处理单元; 使用对每个可用天线子组合的预设功率分配以及将所选择的子集发送到发射机的接收机来选择SER性能的最佳子集; 以及中央处理单元，通过从接收器向最佳子集应用具有单位平均功率的OSTBC符号来分配功率。

18. 发明申请

US20080145057A1 Method and system for generating switching control signal separating transmission signal in optical repeater employing TDD scheme 失效
标题翻译：采用TDD方案的光中继器生成切换控制信号分离传输信号的方法和系统
公开(公告)号：US20080145057A1
公开(公告)日：2008-06-19
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： H04J14/08 , H04B10/00
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。

19. 发明申请

US20070053311A1 ROF link apparatus capable of stable TDD wireless service 失效
标题翻译：能够稳定TDD无线服务的ROF链路装置
公开(公告)号：US20070053311A1
公开(公告)日：2007-03-08
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： H04J3/00
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。

20. 发明授权

US08134945B2 Apparatus and method for increasing cell capacity through optional signal combining between relay stations in a cellular system using wired relay stations 有权
标题翻译：通过使用有线中继站的蜂窝系统中的中继站之间的可选信号组合来增加小区容量的装置和方法
公开(公告)号：US08134945B2
公开(公告)日：2012-03-13
申请号：US11965804
申请日：2007-12-28
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： H04B7/00 , H04B7/14 , H04B7/185 , H04B1/00 , H04B17/00 , H04B15/00 , H04W4/00 , H03C1/62
CPC分类号： H04B7/026
摘要： A method, apparatus and system for increasing cell capacity through optional signal combining between Relay Stations (RSs) in a cellular system using wired RSs is disclosed. The method includes receiving, by a Base Station (BS), an average Carrier-to-Interference ratio (C/I) value of transmission signals from Mobile Stations (MSs) located inside each coverage area, being fed back from the RSs or the MSs in its corresponding cell; classifying the MSs into two groups according to the C/I value; performing resource allocation satisfying a minimum data rate from a corresponding RS, for MSs belonging to a group having a C/I value greater than a preset threshold Γ among the classified groups; performing resource allocation by applying an optional signal combining scheme taking into account two RSs having a highest C/I value, for MSs belonging to a group having a C/I value below the threshold among the classified groups; and allocating all unallocated subchannels of each individual RS in an order of an MS having a high C/I value among MSs of a corresponding RS until there is no more unallocated subchannel of each RS.
摘要翻译：公开了一种通过在使用有线RS的蜂窝系统中的继电器站（RS）之间的可选信号组合来增加小区容量的方法，装置和系统。该方法包括由基站（BS）从位于每个覆盖区域内的移动站（MS）发送的信号的平均载波干扰比（C / I）值从RS或 MS在其相应的细胞; 根据C / I值将MS分为两组; 对于属于具有大于预设阈值Ggr的C / I值的组的MS执行从对应的RS执行满足最小数据速率的资源分配; 在分类集团中; 通过对分类组中具有C / I值低于阈值的组的MS应用考虑了具有最高C / I值的两个RS的可选信号组合方案来执行资源分配; 并且以对应RS的MS中的具有高C / I值的MS的顺序分配每个单独RS的所有未分配子信道，直到每个RS不再有未分配的子信道。

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