METHOD AND APPARATUS FOR TRANSMITTING CONTENT, METHOD AND APPARATUS FOR RECEIVING CONTENT, AND CONTENT SERVICE SYSTEM
    1.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING CONTENT, METHOD AND APPARATUS FOR RECEIVING CONTENT, AND CONTENT SERVICE SYSTEM 审中-公开
    用于发送内容的方法和装置,用于接收内容的方法和装置以及内容服务系统

    公开(公告)号:US20120093259A1

    公开(公告)日:2012-04-19

    申请号:US13277065

    申请日:2011-10-19

    IPC分类号: H04L25/49 H04L17/00

    摘要: A method and an apparatus for transmitting contents, a method and an apparatus for receiving contents, and a content service system are provided. The method for transmitting contents includes converting first contents including distortion part contents in which at least an area of a specific part of source contents is subjected to distortion processing into a transmittable type through a transmission network to generate a first transmission signal; converting any one the source part contents that are the part contents corresponding to the part of the source contents and differential information between the source part contents and the distortion part contents into a transmittable type through the transmission network to generate the second transmission signal; and transmitting part information indicating the first transmission signal, the second transmission signal, and the part through the transmission network.

    摘要翻译: 提供了一种用于发送内容的方法和装置,用于接收内容的方法和装置以及内容服务系统。 发送内容的方法包括:将通过发送网络将源内容的特定部分的至少一个区域的至少一个区域进行失真处理的第一内容转换为可发送类型,生成第一发送信号; 将源部分内容与部分内容对应的部分内容的源部分内容和源部分内容与失真部分内容之间的差分信息通过传输网络转换为可传输类型,以产生第二传输信号; 以及通过所述传输网络发送指示所述第一传输信号,所述第二传输信号和所述部分的部分信息。

    METHOD AND APPARATUS OF MODULATING SIGNAL IN BROADCASTING AND COMMUNICATION SYSTEM
    2.
    发明申请
    METHOD AND APPARATUS OF MODULATING SIGNAL IN BROADCASTING AND COMMUNICATION SYSTEM 失效
    调制信号在广播和通信系统中的方法与装置

    公开(公告)号:US20120093262A1

    公开(公告)日:2012-04-19

    申请号:US13275961

    申请日:2011-10-18

    IPC分类号: H04L27/20 H04L27/22

    CPC分类号: H04L27/2085

    摘要: Modulating method and apparatus in a broadcasting and communication system are provided. The modulating apparatus includes: a first quadrature phase shift keying (QPSK) modulating unit QPSK-modulating first data including in-phase (I) data and quadrature (Q) data to generate a first signal; a phase rotating unit rotating a phase of the first signal by θ to generate a phase rotated signal; a second QPSK modulating unit QPSK-modulating second data different from the first data and including I′ data and Q′ data to generate a second signal; and a layer modulating unit modulating the phase rotated signal and the second signal to output a final signal.

    摘要翻译: 提供了广播和通信系统中的调制方法和装置。 调制装置包括:第一正交相移键控(QPSK)调制单元,QPSK调制包括同相(I)数据和正交(Q)数据的第一数据,以产生第一信号; 旋转第一信号的相位的相位旋转单元, 以产生相位旋转信号; 第二QPSK调制单元QPSK调制与第一数据不同的第二数据并且包括I'数据和Q'数据以产生第二信号; 以及调制相位旋转信号和第二信号的层调制单元,以输出最终信号。

    APPARATUS AND METHOD FOR ANALYZING CHANNEL USING TRANSMITTER IDENTIFICATION SIGNAL
    3.
    发明申请
    APPARATUS AND METHOD FOR ANALYZING CHANNEL USING TRANSMITTER IDENTIFICATION SIGNAL 审中-公开
    用于使用发射机识别信号分析信道的装置和方法

    公开(公告)号:US20110151809A1

    公开(公告)日:2011-06-23

    申请号:US12852888

    申请日:2010-08-09

    IPC分类号: H04B17/00

    CPC分类号: H04B17/327

    摘要: Provided is a channel analysis apparatus and method using a transmitter identification signal. The channel analysis apparatus using the transmitter identification signal may include a reference signal generating unit to generate a reference signal, a correlation unit to correlate a received signal and the reference signal to calculate a correlation value, an interpolation unit to interpolate the calculated correlation value, and an analysis unit to analyze the received signal using the interpolated correlation value.

    摘要翻译: 提供了一种使用发射机识别信号的信道分析装置和方法。 使用发送机识别信号的信道分析装置可以包括:参考信号生成单元,生成参考信号;相关单元,使接收信号与参考信号相关,以计算相关值;内插单元,用于内插所计算出的相关值; 以及分析单元,使用内插相关值来分析接收信号。

    METHOD AND APPARATUS FOR TRANSMITTING ADDITIONAL DATA IN DIGITAL TERRESTRIAL BROADCASTING SYSTEM
    4.
    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 。

    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。

    TRANSMITTER AND RECEIVER FOR TERRESTRIAL DIGITAL MULTIMEDIA BROADCASTING
    7.
    发明申请
    TRANSMITTER AND RECEIVER FOR TERRESTRIAL DIGITAL MULTIMEDIA BROADCASTING 失效
    地面数字多媒体广播的发射机和接收机

    公开(公告)号:US20110154164A1

    公开(公告)日:2011-06-23

    申请号:US12907511

    申请日:2010-10-19

    IPC分类号: H03M13/15 G06F11/10

    摘要: Provided is a terrestrial digital broadcasting transmitter. The terrestrial digital broadcasting transmitter may include a Reed-Solomon (RS) encoder to RS-encode an inputted broadcast signal, a forward error correction (FEC) encoder to channel-encode an inputted additional signal associated with the broadcast signal, a selector to select the RS-encoded broadcast signal or the channel-encoded additional signal, and a vestigial side band (VSB) transmitting part to transmit, to a receiver via a transmitting antenna, the selected signal, the selected signal being the RS-encoded broadcast signal or the channel-encoded additional signal selected by the selector.

    摘要翻译: 提供了一种地面数字广播发射机。 地面数字广播发射机可以包括用于对输入的广播信号进行RS编码的里德 - 所罗门(RS)编码器,对与广播信号相关联的输入的附加信号进行信道编码的前向纠错(FEC)编码器,选择器选择 RS编码的广播信号或信道编码的附加信号,以及残留边带(VSB)发送部分,经由发送天线向所述接收机发送所选择的信号,所选择的信号是RS编码的广播信号, 由选择器选择的通道编码的附加信号。

    METHOD AND APPARATUS FOR DECODING LOW DENSITY PARITY CHECK CODE
    8.
    发明申请
    METHOD AND APPARATUS FOR DECODING LOW DENSITY PARITY CHECK CODE 有权
    解密低密度奇偶校验码的方法和装置

    公开(公告)号:US20120290891A1

    公开(公告)日:2012-11-15

    申请号:US13425840

    申请日:2012-03-21

    IPC分类号: H03M13/05 G06F11/10

    摘要: A low-density parity check (LDPC) code decoding method may be provided. The LDPC code decoding method may linearize or perform step-approximation on a natural logarithm hyperbolic cosine function included in a check node updating equation of a sum-product algorithm used for decoding an LDPC code, and may convert the linearized function to correspond to a check node updating equation of a min-sum algorithm.

    摘要翻译: 可以提供低密度奇偶校验(LDPC)码解码方法。 LDPC码解码方法可以对包含在用于解码LDPC码的和积算法的校验节点更新方程中的自然对数双曲余弦函数进行线性化或执行阶梯近似,并且可以将线性化函数转换成对应于检查 节点更新方程的最小和算法。