Apparatus and method for analyzing identification signal based on partial correlation
    1.
    发明授权
    Apparatus and method for analyzing identification signal based on partial correlation 有权
    基于部分相关分析识别信号的装置和方法

    公开(公告)号:US08767890B2

    公开(公告)日:2014-07-01

    申请号:US12447736

    申请日:2007-10-12

    IPC分类号: H03D1/00 H04L27/06

    摘要: Provided is an apparatus and method for analyzing identification (ID) signals by converting radio frequency (RF) signals which are transmitted with an ID signal added thereto by a transmitting part, e.g., a plurality of transmitters or repeaters, into signals of a desired band; creating ID signals that are identical to the ID signals added to the RF signals; calculating correlation values between the converted signals and the created ID signals based on partial correlation; and extracting channel profile of multi-path signals caused by a channel between the transmitting part and the ID signal analyzing apparatus from the correlation value. The technology of the present research is applied to broadcasting and communication.

    摘要翻译: 提供了一种用于通过将由发射部分(例如多个发射器或中继器)附加的ID信号发射的射频(RF)信号转换成期望频带的信号来分析识别(ID)信号的装置和方法 ; 创建与添加到RF信号的ID信号相同的ID信号; 基于部分相关来计算转换后的信号与所创建的ID信号之间的相关值; 以及从所述相关值提取由所述发送部分和所述ID信号分析装置之间的信道引起的多径信号的信道简档。 本研究的技术应用于广播和通信。

    Method and apparatus for transmitting/receiving broadcasting-communication data
    2.
    发明授权
    Method and apparatus for transmitting/receiving broadcasting-communication data 有权
    用于发送/接收广播通信数据的方法和装置

    公开(公告)号:US08654886B2

    公开(公告)日:2014-02-18

    申请号:US12994827

    申请日:2009-05-29

    IPC分类号: H01L27/04 H04B1/66

    摘要: An apparatus for transmitting and receiving broadcasting-communication data, the apparatus including an original signal generator configured to receive the original data and generate baseband original signals, a first modulator configured to receive the baseband additional signals and generate original signals of a predetermined band, an additional signal generator configured to receive the additional data and generate baseband additional signals, a second modulator configured to receive the baseband additional signals and generate additional signals of a predetermined band, an average power controller configured to control an average power of the additional signals of the predetermined band, an inserter configured to insert the additional signals of the predetermined band with a controlled average power to the original signals of the predetermined band to thereby generate mixed signals of a predetermined band, and a transmitter configured to transmit the mixed signals of the predetermined band.

    摘要翻译: 一种用于发送和接收广播通信数据的装置,所述装置包括被配置为接收原始数据并生成基带原始信号的原始信号发生器,被配置为接收基带附加信号并生成预定频带的原始信号的第一调制器, 附加信号发生器,被配置为接收附加数据并产生基带附加信号,第二调制器被配置为接收基带附加信号并产生预定频带的附加信号,平均功率控制器被配置为控制所述附加信号的平均功率 预定频带,插入器,被配置为以预定频带的原始信号插入具有受控平均功率的预定频带的附加信号,从而产生预定频带的混合信号;以及发射机,被配置为发送预定频带的混合信号 内带。

    Apparatus and method for transmitting data using repeat accumulate coding scheme in communication system
    4.
    发明授权
    Apparatus and method for transmitting data using repeat accumulate coding scheme in communication system 失效
    在通信系统中使用重复累加编码方案发送数据的装置和方法

    公开(公告)号:US08601353B2

    公开(公告)日:2013-12-03

    申请号:US12893852

    申请日:2010-09-29

    IPC分类号: H03M13/03 H03M13/00

    摘要: An apparatus for transmitting data in a communication system includes: a first repeater configured to repeat information bits of data to be transmitted a first repetition number of times; an interleaver configured to interleave the information bits repeated the first repetition number of times; an accumulator configured to accumulate-code the interleaved information bits; a second repeater configured to repeat the accumulate-coded information bits a second repetition number of times; a puncturer configured to puncture the information bits repeated the second repetition number of times; and a P/S converter configured to convert the punctured information bits and the information bits of the data and output RA-coded information bits.

    摘要翻译: 一种用于在通信系统中发送数据的装置包括:第一中继器,被配置为重复要发送的数据的信息比特的第一重复次数; 交织器,被配置为交织重复所述第一重复次数的信息比特; 累加器,被配置为对交织的信息比特进行累加编码; 第二中继器,被配置为重复所述累加编码信息比特的第二重复次数; 穿刺器,被配置为对所述信息比特进行穿刺,重复所述第二次重复次数; 以及P / S转换器,被配置为转换穿孔的信息比特和数据的信息比特,并输出RA编码的信息比特。

    SOFT DECISION BIT DETECTION AND DEMODULATION METHOD FOR DIGITAL MODULATION METHOD
    5.
    发明申请
    SOFT DECISION BIT DETECTION AND DEMODULATION METHOD FOR DIGITAL MODULATION METHOD 审中-公开
    用于数字调制方法的软决策位检测和解调方法

    公开(公告)号:US20130251075A1

    公开(公告)日:2013-09-26

    申请号:US13566416

    申请日:2012-08-03

    IPC分类号: H04L27/06

    摘要: In the present invention, deciding M final soft decision bit values includes a first step of securing an I channel value and a Q channel value of the received transmission signal, a second step of securing initial soft decision bit values for a first bit and a second bit by using the secured I channel value and the secured Q channel value, a third step of cyclically securing initial soft decision bit values for a third bit to an Mth bit by using the initial soft decision bit values for the first bit and the second bit, and a fourth step of securing final soft decision bit values by multiplying the secured initial soft decision bit values by a gain, wherein the gain is calculated based on a reliability adjustment value of the initial soft decision bit values.

    摘要翻译: 在本发明中,决定M个最终软判决比特值包括保护所接收的传输信号的I信道值和Q信道值的第一步骤,第二步骤,确保第一位和第二位的初始软判决位值 通过使用安全的I信道值和安全的Q信道值,第三步骤,通过使用第一比特和第二比特的初始软判决比特值将第三比特的初始软判决比特值周期性地保证到第M比特 以及第四步骤,通过将安全的初始软判决比特值乘以增益来确保最终软判决比特值,其中基于初始软判决比特值的可靠性调整值来计算增益。

    Distributed repeater and distributed repeating method thereof
    6.
    发明授权
    Distributed repeater and distributed repeating method thereof 失效
    分布式中继器及其分布式重复方法

    公开(公告)号:US08442098B2

    公开(公告)日:2013-05-14

    申请号:US12517613

    申请日:2007-11-30

    IPC分类号: H04B3/36

    摘要: Provided are a distributed repeater for repeating output signals identical to input signals through a channel different from that of main transmitter signals but identical to channels of other distributed repeaters, and a distributed repeating method thereof. The distributed repeater includes: a pre-processing unit configured to receive a radio frequency (RF) signal transmitted from an external device and demodulate the RF signal into a baseband signal; an equalizer configured to equalize the baseband signal to correct a distortion occurring on a transmission channel; an identification signal generation and insertion unit configured to generate an identification signal for identification of the distributed repeater and network conditioning, and insert the identification signal in the equalized baseband signal; and a post-processing unit configured to convert the baseband signal from the identification signal generation and insertion unit into an RF signal, and send the RF signal.

    摘要翻译: 提供一种分布式中继器,用于通过与主发射机信号不同的信道重复与输入信号相同的输出信号,但与其他分布式中继器的信道相同的输出信号及其分布式重复方法。 分布式中继器包括:预处理单元,被配置为接收从外部设备发送的射频(RF)信号并将RF信号解调为基带信号; 均衡器,其被配置为均衡所述基带信号以校正发生在传输信道上的失真; 识别信号生成和插入单元,被配置为生成用于识别所述分布式中继器的识别信号和网络调理,并将所述识别信号插入所述均衡的基带信号中; 以及后处理单元,被配置为将来自识别信号生成和插入单元的基带信号转换为RF信号,并发送RF信号。

    Apparatus and method for estimating inverse channel of repeater's receiving channel
    8.
    发明授权
    Apparatus and method for estimating inverse channel of repeater's receiving channel 有权
    用于估计中继器接收信道的反向信道的装置和方法

    公开(公告)号:US08411801B2

    公开(公告)日:2013-04-02

    申请号:US12676883

    申请日:2008-05-06

    IPC分类号: H04L27/06 H04B1/10

    摘要: Provided is an apparatus and method for estimating inverse channel of a repeater's receiving channel, which ensures stability and causality by generating a time-domain filter coefficient having information on an inverse channel of repeater's receiving channel from a signal transmitted from a main transmitter or another repeater. The apparatus includes: a channel estimator for estimating a channel established by a transmission path from a received signal; an inverse minimum phase filter coefficient generator for generating inverse channel of a minimum phase channel from the estimated channel, and converting the inverse channel of the minimum phase channel into a time-domain filter coefficient; an inverse group delay filter coefficient generator for generating a time-domain filter coefficient by using the estimated channel and the minimum phase channel; and a combiner for generating an inverse channel of a receiving channel in a time domain by combining the filter coefficient and the filter coefficient.

    摘要翻译: 提供了一种用于估计中继器的接收信道的反向信道的装置和方法,其通过从从主发射机或另一个中继器发送的信号生成具有关于中继器的接收信道的反向信道的信息的时域滤波器系数来确保稳定性和因果关系 。 该装置包括:信道估计器,用于从接收信号估计由传输路径建立的信道; 反相最小相位滤波器系数发生器,用于从估计的信道产生最小相位信道的反向信道,并将最小相位信道的反向信道转换为时域滤波器系数; 逆群延迟滤波器系数发生器,用于通过使用估计信道和最小相位信道来产生时域滤波器系数; 以及组合器,用于通过组合滤波器系数和滤波器系数来在时域中产生接收信道的反向信道。

    METHOD AND APPARATUS FOR TRANSMITTING ADDITIONAL DATA IN DIGITAL TERRESTRIAL BROADCASTING SYSTEM
    10.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING ADDITIONAL DATA IN DIGITAL TERRESTRIAL BROADCASTING SYSTEM 失效
    在数字地面广播系统中传输附加数据的方法和装置

    公开(公告)号:US20120076215A1

    公开(公告)日:2012-03-29

    申请号:US13242685

    申请日:2011-09-23

    IPC分类号: H04L27/00

    摘要: A method and an apparatus for transmitting additional data in a digital terrestrial broadcasting system are provided. The apparatus includes: a main signal generating unit channel-coding main data and converting the main data into a main signal; an additional signal generating unit channel-coding additional data and converting the additional data into an additional signal; a mixed signal generating unit generating a mixed signal by coupling the main signal and the additional signal to each other; and a mixed signal transmitting unit modulating the mixed signal and transmitting the modulated mixed signal to a receiver through a transmission antenna, wherein the additional data is additional data requested by a specific user possessing the receiver and the specific user provides information on an additional data transmitter.

    摘要翻译: 提供了一种在数字地面广播系统中发送附加数据的方法和装置。 该装置包括:主信号生成单元对主数据进行通道编码并将主数据转换为主信号; 附加信号产生单元对附加数据进行信道编码并将附加数据转换为附加信号; 混合信号产生单元,通过将主信号和附加信号彼此耦合来产生混合信号; 以及混合信号发送单元,调制混合信号并通过发送天线将调制的混合信号发送到接收机,其中附加数据是由具有接收机的特定用户请求的附加数据,并且特定用户提供关于附加数据发射机 。