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    Digital broadcasting service receiver for improving reception ability by switched beam-forming
    1.
    发明授权
    Digital broadcasting service receiver for improving reception ability by switched beam-forming 有权
    数字广播服务接收机，用于通过切换波束形成提高接收能力

    公开(公告)号：US06946993B2

    公开(公告)日：2005-09-20

    申请号：US10633160

    申请日：2003-07-31

    申请人： Jae Hyun Seo ,  Jae Hwui Bae ,  Seung Won Kim ,  Chieteuk Ahn

    发明人： Jae Hyun Seo ,  Jae Hwui Bae ,  Seung Won Kim ,  Chieteuk Ahn

    IPC分类号： H04N7/015 ,  H01Q3/24 ,  H01Q3/26 ,  H04B7/04 ,  H04B7/08 ,  H04B17/02

    CPC分类号： H04B7/088 ,  H01Q3/24 ,  H01Q3/2611 ,  H04B7/0408 ,  H04B7/086

    摘要： A receiver for improving reception ability of digital broadcasting service by switched beam-forming is disclosed. The receiver includes: an array antenna having a plurality of antenna elements for receiving signals of the digital broadcasting service; a demodulation unit for demodulating the receiving signals corresponding to each of antenna elements in the array antenna; beam-forming unit for generating a predetermined number of beam-forming signal by applying a beam-forming weights in order to direct to a predetermined direction according to the modulated signal from the modulation unit; and beam selection unit for selectively receiving signals of desired direction according to the beam forming signal. The present invention effectively eliminates multipath based on space filtering by utilizing beam-forming method with an array antenna for improving receiving performance of digital television broadcasting with VSB.

    摘要翻译： 公开了一种通过切换波束形成来提高数字广播服务的接收能力的接收机。 接收机包括：具有多个天线元件的阵列天线，用于接收数字广播业务的信号; 解调单元，用于解调与阵列天线中的每个天线元件相对应的接收信号; 波束形成单元，用于通过应用波束形成权重来产生预定数量的波束形成信号，以便根据来自调制单元的调制信号指向预定方向; 以及波束选择单元，用于根据波束形成信号选择性地接收期望方向的信号。 本发明通过利用阵列天线的波束形成方法有效地消除了基于空间滤波的多径，从而改善了具有VSB的数字电视广播的接收性能。

    Apparatus and method for selecting optimal signal using auxiliary equalization in diversity receiver
    3.
    发明授权
    Apparatus and method for selecting optimal signal using auxiliary equalization in diversity receiver 失效
    在分集接收机中使用辅助均衡来选择最优信号的装置和方法

    公开(公告)号：US08180005B2

    公开(公告)日：2012-05-15

    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： H04B7/10

    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。

    Method for selecting optimal beam and apparatus for receiving digital broadcasting signal using the same
    4.
    发明授权
    Method for selecting optimal beam and apparatus for receiving digital broadcasting signal using the same 失效
    用于选择最佳波束的方法和使用该波束的装置接收数字广播信号

    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。

    Method For Selecting Optimal Beam And Apparatus For Receiving Digital Broadcasting Signal Using The Same
    5.
    发明申请
    Method For Selecting Optimal Beam And Apparatus For Receiving Digital Broadcasting Signal Using The Same 失效
    用于选择最佳光束的方法和用于接收数字广播信号的装置

    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。

    Beam Combining and Hybrid Beam Selection Method for Improving Digital Broadcasting Reception Performance, and Digital Broadcasting Receiving Apparatus Using the Same
    6.
    发明申请
    Beam Combining and Hybrid Beam Selection Method for Improving Digital Broadcasting Reception Performance, and Digital Broadcasting Receiving Apparatus Using the Same 有权

    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).

    METHOD AND APPARATUS FOR PROVIDING CONVERGED SOCIAL BROADCASTING SERVICE
    7.
    发明申请
    METHOD AND APPARATUS FOR PROVIDING CONVERGED SOCIAL BROADCASTING SERVICE 审中-公开
    提供融合社会广播服务的方法和装置

    公开(公告)号：US20120117594A1

    公开(公告)日：2012-05-10

    申请号：US13290042

    申请日：2011-11-04

    申请人： Bong Ho LEE ,  Gwang Soon LEE ,  Hyun LEE ,  Jae Hwui BAE ,  Kwang Yong KIM ,  Nam Ho HUR ,  Soo In LEE ,  Jae Wook LEE

    发明人： Bong Ho LEE ,  Gwang Soon LEE ,  Hyun LEE ,  Jae Hwui BAE ,  Kwang Yong KIM ,  Nam Ho HUR ,  Soo In LEE ,  Jae Wook LEE

    IPC分类号： H04N21/458

    CPC分类号： H04N21/812 ,  H04N21/4532 ,  H04N21/4755 ,  H04N21/4788 ,  H04N21/6582

    摘要： A method for providing social broadcasting services by a broadcasting station is registered. The method for providing social broadcasting services includes receiving from a social network server like function related information triggering transmission of an interest indicator indicating that a user of a user equipment has an interest in broadcasting programs provided by a content provider; and transmitting both of the broadcasting programs and additional data including the like function related information to the user equipment. By the configuration, the exemplary embodiments of the present invention can share the personal's opinion and thoughts and the additional data associated with the corresponding programs through the social circle while the user viewing the broadcasting programs in real time during the movement.

    摘要翻译： 登记了广播电台提供社交广播服务的方法。 提供社交广播服务的方法包括：从社交网络服务器接收诸如功能相关信息的触发信息，触发表示用户设备的用户感兴趣的兴趣指示符的传播，该用户设备的用户对由内容提供商提供的广播节目感兴趣; 并且向用户设备发送两个广播节目和包括类似的功能相关信息的附加数据。 通过该配置，本发明的示例性实施例可以在用户在移动期间实时观看广播节目时通过社交圈分享个人的意见和想法以及与相应节目相关联的附加数据。

    Apparatus and Method for Selecting Optimal Signal Using Auxiliary Equalization in Diversity Receiver
    10.
    发明申请
    Apparatus and Method for Selecting Optimal Signal Using Auxiliary Equalization in Diversity Receiver 失效
    在分集接收机中使用辅助均衡选择最优信号的装置和方法

    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。