公开(公告)号：US07742538B2

公开(公告)日：2010-06-22

申请号：US11720323

申请日：2005-11-25

申请人： Ju-Yeun Kim ,  Young-Su Kim ,  Jae-Hwui Bae ,  Hyun Lee ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Ju-Yeun Kim ,  Young-Su Kim ,  Jae-Hwui Bae ,  Hyun Lee ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H04B7/02

CPC分类号： H04B7/0897 ,  H04B7/0408 ,  H04B7/086 ,  H04L25/0206

摘要： There are provided a method for selecting an optimal beam to improve digital broadcasting receiving performance, and a digital broadcasting receiving apparatus using the same. The method includes the steps of: a) calculating a mainpath Signal to Multipath signal and Noise Ratio (SMNR) based on a channel impulse response for a plurality of beams which are formed according to steering directions from output signals of antennas, wherein the output signal of each antenna has different phase shift according to location of antenna element; b) selecting a predetermined number of beams having a high SMNR value by comparing the calculated SMNR value for respective beam; c) calculating a mainpath Signal to Dominant Multipath signal Ratio (SDMR) based on a channel impulse response corresponding to the selected beam; and d) selecting a beam output signal having the biggest SDMR value by comparing SDMR values calculated in selecting a predetermined number of beams.

摘要翻译： 提供了一种用于选择最佳波束以改善数字广播接收性能的方法，以及使用该方法的数字广播接收装置。 该方法包括以下步骤：a）基于根据天线输出信号的转向方向形成的多个波束的信道脉冲响应，计算主路径信号与多路径信号和噪声比（SMNR），其中输出信号 每个天线根据天线元件的位置具有不同的相移; b）通过比较所计算的各个光束的SMNR值来选择具有高SMNR值的预定数量的光束; c）基于对应于所选择的波束的信道脉冲响应来计算主路径信号到主导多径信号比（SDMR）; 以及d）通过比较在选择预定数量的光束中计算的SDMR值来选择具有最大SDMR值的光束输出信号。

公开(公告)号：US20080205537A1

公开(公告)日：2008-08-28

申请号：US11720323

申请日：2005-11-25

申请人： Ju-yeun Kim ,  Young-Su Kim ,  Jae-hwui Bae ,  Hyun Lee ,  Jong-soo Lim ,  Soo-In Lee

发明人： Ju-yeun Kim ,  Young-Su Kim ,  Jae-hwui Bae ,  Hyun Lee ,  Jong-soo Lim ,  Soo-In Lee

IPC分类号： H04N7/015

CPC分类号： H04B7/0897 ,  H04B7/0408 ,  H04B7/086 ,  H04L25/0206

摘要： There are provided a method for selecting an optimal beam to improve digital broadcasting receiving performance, and a digital broadcasting receiving apparatus using the same. The method includes the steps of: a) calculating a mainpath Signal to Multipath signal and Noise Ratio (SMNR) based on a channel impulse response for a plurality of beams which are formed according to steering directions from output signals of antennas, wherein the output signal of each antenna has different phase shift according to location of antenna element; b) selecting a predetermined number of beams having a high SMNR value by comparing the calculated SMNR value for respective beam; c) calculating a mainpath Signal to Dominant Multipath signal Ratio (SDMR) based on a channel impulse response corresponding to the selected beam; and d) selecting a beam output signal having the biggest SDMR value by comparing SDMR values calculated in selecting a predetermined number of beams.

摘要翻译： 提供了一种用于选择最佳波束以改善数字广播接收性能的方法，以及使用该方法的数字广播接收装置。 该方法包括以下步骤：a）基于根据天线输出信号的转向方向形成的多个波束的信道脉冲响应，计算主路径信号与多径信号和噪声比（SMNR），其中输出信号 每个天线根据天线元件的位置具有不同的相移; b）通过比较所计算的各个光束的SMNR值来选择具有高SMNR值的预定数量的光束; c）基于对应于所选择的波束的信道脉冲响应来计算主路径信号到主导多径信号比（SDMR）; 以及d）通过比较在选择预定数量的光束中计算的SDMR值来选择具有最大SDMR值的光束输出信号。

公开(公告)号：US20080092194A1

公开(公告)日：2008-04-17

申请号：US11722036

申请日：2005-07-04

申请人： Ju-Yeun Kim ,  Young-Su Kim ,  Jae-Hwui Bae ,  Hyun Lee ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Ju-Yeun Kim ,  Young-Su Kim ,  Jae-Hwui Bae ,  Hyun Lee ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H04N7/173

CPC分类号： H01Q25/00 ,  H04B7/088 ,  H04N5/211 ,  H04N5/4401 ,  H04N21/42638

摘要： Provided are a beam combining and hybrid beam selection method that can improve digital broadcasting reception performance by combining more than two beam output signals (beam combination type) instead of simply selecting one of beam output signals (beam selection type), or even selecting an optimal method between the beam selection type and the beam combination type, and a digital broadcasting receiving apparatus using the same. The beam selecting method includes: a) calculating SMNRs (mainpath signal to multipath signal and noise ratios) with respect to a plurality of beam output signals, formed according to directions from a plurality of antenna output signals whose phases are shifted depending on arrangement positions of array antennas, by using corresponding channel impulse responses; b) selecting a first predetermined number of beam output signals according to magnitudes of the SMNRs by comparing the calculated SMNRs with respect to the respective beam output signals; c) calculating a delay time between mainpath signals of the selected beam output signals, and generating a combined beam output signal by combining the two beam output signals by adjusting the calculated delay time; d) when the SMNR of the combined beam output signal is less than the maximal SMNR of the selected beam output signals, calculating an SDMR (mainpath signal to dominant multipath signal ratio) with respect to the respective beam output signals, and selecting a beam output signal having the greatest SDMR; and e) calculating an SMNR of the combined beam output signal using channel impulse response of the combined beam output signal, and comparing the calculated SMNR with a maximal value among the SMNRs of the selected beam output signals; and f) when the SMNR of the combined beam output signal is greater than or equal to the maximal SMNR of the selected output signals, selecting the combined beam output signal generated in step c).

公开(公告)号：US20070252755A1

公开(公告)日：2007-11-01

申请号：US10580867

申请日：2004-04-19

申请人： Sammo Cho ,  Geon Kim ,  Hyun Lee ,  Gwang-Soon Lee ,  Young-Kwon Hahm ,  Soo-In Lee

发明人： Sammo Cho ,  Geon Kim ,  Hyun Lee ,  Gwang-Soon Lee ,  Young-Kwon Hahm ,  Soo-In Lee

IPC分类号： G01S1/02

CPC分类号： G01S19/14 ,  G01S19/07 ,  G01S19/25 ,  G01S19/41

摘要： A digital broadcasting receiver with DGPS RTCM data output port and a terminal for supporting the DGPS service using the same are disclosed. The digital broadcasting receiver having DGPS RTCM data output port, includes: a radio frequency processing unit for receiving digital broadcasting signals and converting the received signals into baseband data; a decoding unit for decoding the baseband data to generate decoded data; a DGPS information extractor unit for extracting a Differential Global Positioning System (DGPS) information from a DGPS data which is one of the decoded data; and a RTCM104 formatting unit for converting the DGPS information into RTCM104 data which is compatible with the DGPS RTCM data input port and outputting the RTCM104 data through the DGPS RTCM data output port.

摘要翻译： 公开了具有DGPS RTCM数据输出端口的数字广播接收机和用于支持使用其的DGPS业务的终端。 具有DGPS RTCM数据输出端口的数字广播接收机包括：射频处理单元，用于接收数字广播信号并将接收的信号转换为基带数据; 解码单元，用于对基带数据进行解码以产生解码数据; DGPS信息提取单元，用于从作为解码数据之一的DGPS数据提取差分全球定位系统（DGPS）信息; 以及用于将DGPS信息转换为与DGPS RTCM数据输入端口兼容的RTCM104数据并通过DGPS RTCM数据输出端口输出RTCM104数据的RTCM104格式化单元。

公开(公告)号：US20070242701A1

公开(公告)日：2007-10-18

申请号：US10584419

申请日：2004-10-12

申请人： Hyun Lee ,  Gwang-Soon Lee ,  Kyu-Tae Yang ,  Bong-Ho Lee ,  Young-Kwon Hahm ,  Soo-In Lee

发明人： Hyun Lee ,  Gwang-Soon Lee ,  Kyu-Tae Yang ,  Bong-Ho Lee ,  Young-Kwon Hahm ,  Soo-In Lee

IPC分类号： H04H1/04 ,  H04J1/00

CPC分类号： H04H60/07 ,  H04H20/86

摘要： The present invention relates to an apparatus for transforming digital TV broadcasting signals into digital radio broadcasting signals and a method thereof. The apparatus includes: a transport stream generator for transforming TV broadcasting signals outputted from outside into digital TV broadcasting transport streams; a broadcasting transport format transformer for generating digital radio broadcasting transport streams by transforming the digital TV broadcasting transport streams in conformity to a digital radio broadcasting transport protocol based on a radio broadcasting schedule; a digital radio broadcasting multiplexer for multiplexing the generated digital radio broadcasting transport streams generated in the broadcasting transport format transformer; a modulating/up-converting unit for modulating the multiplexed digital radio broadcasting transport streams in a modulation method of digital radio broadcasting and up-converting frequencies of the modulated radio broadcasting signals into radio frequency (RF) signals; and a high-power amplifier for amplifying and transmitting the up-converted RF signals through a transmitting antenna.

摘要翻译： 本发明涉及将数字电视广播信号变换为数字无线电广播信号的装置及其方法。 该装置包括：将从外部输出的TV广播信号变换为数字TV广播传输流的传输流发生器; 用于通过基于无线电广播时间表的数字无线电广播传输协议转换数字TV广播传输流来生成数字无线电广播传输流的广播传输格式变换器; 数字无线电广播多路复用器，用于复用在广播传输格式变换器中产生的生成的数字无线电广播传输流; 调制/上变频单元，用于以数字无线电广播的调制方式调制多路复用的数字无线电广播传输流，并将调制无线电广播信号的上变频频率调制成射频（RF）信号; 以及用于通过发送天线放大和发送上变频的RF信号的大功率放大器。

公开(公告)号：US20060056524A1

公开(公告)日：2006-03-16

申请号：US10540892

申请日：2003-10-21

申请人： Sammo Cho ,  Hyun Lee ,  Soo-In Lee ,  Chieteuk Ahn

发明人： Sammo Cho ,  Hyun Lee ,  Soo-In Lee ,  Chieteuk Ahn

IPC分类号： H04K1/10

CPC分类号： H04N21/4383 ,  H04N21/2365 ,  H04N21/26216 ,  H04N21/4347 ,  H04N21/4622

摘要： An apparatus for transmitting data in a digital broadcasting system is disclosed. The apparatus includes: a source encoding unit for encoding data to be transmitted and generating source-coded data; a capacity managing unit for dividing the source-coded data into divided data for a plurality of channels in case that an available data capacity for transmitting the source-coded data does not exist in one channel but sum of available data capacities of the multiple channels can accommodate the source-coded data, and adding header information to the divided data; a channel encoding unit for encoding the divided data according to channel environment and generating channel-coded data; and a transmitting unit for multiplexing, modulating and transmitting the channel-coded data through multiple frequency bands and multiple broadcasting sites.

摘要翻译： 公开了一种在数字广播系统中发送数据的装置。 该装置包括：源编码单元，用于对要发送的数据进行编码并产生源编码数据; 一个容量管理单元，用于在一个信道中不存在用于发送源编码数据的可用数据容量的情况下将源编码数据划分为多个信道的分割数据，但多个信道的可用数据容量之和可以 容纳源编码数据，并将标题信息添加到分割数据; 信道编码单元，用于根据信道环境对划分的数据进行编码并生成信道编码数据; 以及发送单元，用于通过多个频带和多个广播站点复用，调制和发送频道编码数据。

公开(公告)号：US07848878B2

公开(公告)日：2010-12-07

申请号：US10584839

申请日：2004-09-14

申请人： Sammo Cho ,  Geon Kim ,  Hyun Lee ,  Gwang-Soon Lee ,  Young-Kwon Hahm ,  Chung-hyun Ahn ,  Soo-In Lee

发明人： Sammo Cho ,  Geon Kim ,  Hyun Lee ,  Gwang-Soon Lee ,  Young-Kwon Hahm ,  Chung-hyun Ahn ,  Soo-In Lee

IPC分类号： G01C21/00

CPC分类号： H04H20/55 ,  G01C21/26 ,  G08G1/096775 ,  H04H60/70 ,  H04N7/165 ,  H04N21/2351 ,  H04N21/2356 ,  H04N21/2358 ,  H04N21/23617 ,  H04N21/2402 ,  H04N21/25841 ,  H04N21/2662 ,  H04N21/2665 ,  H04N21/41422 ,  H04N21/4349 ,  H04N21/4353 ,  H04N21/4382 ,  H04N21/4586

摘要： Provided is a geographic information transceiving system and method using a digital broadcasting network. The system and method segments new geographic and map data of a region, on which a geographic information service is provided, makes data segment files of different sizes, and multiplexes and transmits the files. A geographic information transmitting system includes: a geographic information collector for receiving real-time geographic information and real-time traffic information; a geographic information processor for extracting/processing local geographic information and local traffic information from the geographic information collecting means and outputting whole area information, geographic information and traffic information for a plurality of resolution levels; a digital broadcasting unit for converting and transmitting the geographic information/traffic information data in conformity to digital broadcast signals; a geographic information multiplexer for multiplexing the geographic information/traffic information data; and a transmitter for transmitting the multiplexed geographic information/traffic information data to a corresponding region.

摘要翻译： 提供了一种使用数字广播网络的地理信息收发系统和方法。 该系统和方法对区域的新地理和地图数据进行分段，在其上提供地理信息服务，使不同大小的数据段文件复用并传输。 地理信息发送系统包括：用于接收实时地理信息和实时交通信息的地理信息收集器; 地理信息处理器，用于从地理信息收集装置提取/处理本地地理信息和本地交通信息，并输出多个分辨率级别的整个区域信息，地理信息和交通信息; 数字广播单元，用于根据数字广播信号转换和发送地理信息/交通信息数据; 地理信息多路复用器，用于复用地理信息/交通信息数据; 以及发送器，用于将多路复用的地理信息/交通信息数据发送到对应的区域。

公开(公告)号：US07808561B2

公开(公告)日：2010-10-05

申请号：US10584419

申请日：2004-10-12

申请人： Hyun Lee ,  Gwang-Soon Lee ,  Kyu-Tae Yang ,  Bong-Ho Lee ,  Young-Kwon Hahm ,  Soo-In Lee

发明人： Hyun Lee ,  Gwang-Soon Lee ,  Kyu-Tae Yang ,  Bong-Ho Lee ,  Young-Kwon Hahm ,  Soo-In Lee

IPC分类号： H04N5/38

CPC分类号： H04H60/07 ,  H04H20/86

摘要： The present invention relates to an apparatus for transforming digital TV broadcasting signals into digital radio broadcasting signals and a method thereof. The apparatus includes: a transport stream generator for transforming TV broadcasting signals outputted from outside into digital TV broadcasting transport streams; a broadcasting transport format transformer for generating digital radio broadcasting transport streams by transforming the digital TV broadcasting transport streams in conformity to a digital radio broadcasting transport protocol based on a radio broadcasting schedule; a digital radio broadcasting multiplexer for multiplexing the generated digital radio broadcasting transport streams generated in the broadcasting transport format transformer; a modulating/up-converting unit for modulating the multiplexed digital radio broadcasting transport streams in a modulation method of digital radio broadcasting and up-converting frequencies of the modulated radio broadcasting signals into radio frequency (RF) signals; and a high-power amplifier for amplifying and transmitting the up-converted RF signals through a transmitting antenna.

摘要翻译： 本发明涉及将数字电视广播信号变换为数字无线电广播信号的装置及其方法。 该装置包括：将从外部输出的TV广播信号变换为数字TV广播传输流的传输流发生器; 用于通过基于无线电广播时间表的数字无线电广播传输协议转换数字TV广播传输流来生成数字无线电广播传输流的广播传输格式变换器; 数字无线电广播多路复用器，用于复用在广播传输格式变换器中产生的生成的数字无线电广播传输流; 调制/上变频单元，用于以数字无线电广播的调制方式调制多路复用的数字无线电广播传输流，并将调制无线电广播信号的上变频频率调制成射频（RF）信号; 以及用于通过发送天线放大和发送上变频的RF信号的大功率放大器。

公开(公告)号：US20080291336A1

公开(公告)日：2008-11-27

申请号：US12096641

申请日：2006-11-07

申请人： Ju-Yeun Kim ,  Young-Su Kim ,  Jae-Hwui Bae ,  Hyun Lee ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Ju-Yeun Kim ,  Young-Su Kim ,  Jae-Hwui Bae ,  Hyun Lee ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H04B7/08

CPC分类号： H04B7/0814 ,  H04L25/03012 ,  H04L2025/03426 ,  H04L2025/03535

摘要： Provided are an apparatus and method for selecting an optimal signal using auxiliary equalization in a diversity receiver. The optimal signal selecting apparatus includes: a plurality of sync recovery units for extracting sync information from baseband signals, which are candidate signals, except a baseband signal selected as a current optimal signal a plurality of auxiliary equalizers for channel-equalizing the candidate signals based on the extracted sync information; a plurality of SNR measuring units for measuring signal-to-noise ratios (SNRs) of the candidate signals inputted to the auxiliary equalizers and the candidates signals equalized in the auxiliary equalizers; and an optimal signal selector for selecting an optimal candidate signal from the candidate signals by using the extracted sync information and the measured SNRs, and replacing the optimal signal with the optimal candidate signal when reception quality of the current optimal signal is poor.

摘要翻译： 提供了一种用于在分集接收机中使用辅助均衡来选择最佳信号的装置和方法。 最佳信号选择装置包括：多个同步恢复单元，用于从作为候选信号的基带信号中提取同步信息，除了选择为当前最优信号的基带信号，多个辅助均衡器，用于对候选信号进行信道均衡，基于 提取的同步信息; 多个SNR测量单元，用于测量输入到辅助均衡器的候选信号的信噪比（SNR）和在辅助均衡器中均衡的候选信号; 以及最优信号选择器，用于通过使用所提取的同步信息和测量的SNR从候选信号中选择最佳候选信号，并且当当前最佳信号的接收质量差时，用最佳候选信号替换最佳信号。

公开(公告)号：US20080095096A1

公开(公告)日：2008-04-24

申请号：US10584839

申请日：2004-09-14

申请人： Sammo Cho ,  Geon Kim ,  Hyun Lee ,  Gwang-Soon Lee ,  Young-Kwon Hahm ,  Chung-Hyun Ahn ,  Soo-In Lee

发明人： Sammo Cho ,  Geon Kim ,  Hyun Lee ,  Gwang-Soon Lee ,  Young-Kwon Hahm ,  Chung-Hyun Ahn ,  Soo-In Lee

IPC分类号： H04Q7/00

CPC分类号： H04H20/55 ,  G01C21/26 ,  G08G1/096775 ,  H04H60/70 ,  H04N7/165 ,  H04N21/2351 ,  H04N21/2356 ,  H04N21/2358 ,  H04N21/23617 ,  H04N21/2402 ,  H04N21/25841 ,  H04N21/2662 ,  H04N21/2665 ,  H04N21/41422 ,  H04N21/4349 ,  H04N21/4353 ,  H04N21/4382 ,  H04N21/4586

摘要： Provided is a geographic information transceiving system and method using a digital broadcasting network. The system and method segments new geographic and map data of a region, on which a geographic information service is provided, makes data segment files of different sizes, and multiplexes and transmits the files. A geographic information transmitting system includes: a geographic information collector for receiving real-time geographic information and real-time traffic information; a geographic information processor for extracting/processing local geographic information and local traffic information from the geographic information collecting means and outputting whole area information, geographic information and traffic information for a plurality of resolution levels; a digital broadcasting unit for converting and transmitting the geographic information/traffic information data in conformity to digital broadcast signals; a geographic information multiplexer for multiplexing the geographic information/traffic information data; and a transmitter for transmitting the multiplexed geographic information/traffic information data to a corresponding region.

摘要翻译： 提供了一种使用数字广播网络的地理信息收发系统和方法。 该系统和方法对区域的新地理和地图数据进行分段，在其上提供地理信息服务，使不同大小的数据段文件复用并传输。 地理信息发送系统包括：用于接收实时地理信息和实时交通信息的地理信息收集器; 地理信息处理器，用于从地理信息收集装置提取/处理本地地理信息和本地交通信息，并输出多个分辨率级别的整个区域信息，地理信息和交通信息; 数字广播单元，用于根据数字广播信号转换和发送地理信息/交通信息数据; 地理信息多路复用器，用于复用地理信息/交通信息数据; 以及发送器，用于将多路复用的地理信息/交通信息数据发送到对应的区域。