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    • 71. 发明专利
    • Transmitting device and receiving device
    • 发送设备和接收设备
    • JP2013125982A
    • 2013-06-24
    • JP2011271925
    • 2011-12-13
    • Nippon Hoso Kyokai 日本放送協会
    • SUZUKI YOICHIHASHIMOTO AKINORIKOJIMA MASAAKITANAKA SHOJIKIMURA TAKESHI
    • H04L27/00H03M13/25H04L27/34
    • PROBLEM TO BE SOLVED: To provide a transmitting device and a receiving device of digital data with excellent noise resistance.SOLUTION: A transmission device 10b according to the present invention comprises: an error correction coding section 16b for generating a code word sequence to which error correction is applied at a predetermined coding ratio; a mapping section 18b for converting an input symbol sequence including plural code word sequence into a signal point sequence on the basis of an aggregation division method including division for reducing a signal point logarithm of a minimum Euclidean distance; and an orthogonal modulation section 20 for orthogonally modulating the signal point sequence. A receiving device 50b according to the present invention comprises: an orthogonal demodulation section 51 for orthogonally demodulating modulation signals and outputting a receiving signal point sequence; logarithmic likelihood ratio calculation sections 54-1 to 54-5 for calculating likelihood information corresponding to each symbol configuration bit according to the aggregation division method; and error correction decoding sections 55-1 to 55-5 for decoding digital data according to the likelihood information.
    • 要解决的问题:提供具有优异抗噪声能力的数字数据的发送装置和接收装置。 解决方案:根据本发明的传输设备10b包括:纠错编码部分16b,用于产生以预定编码比率应用纠错的码字序列; 映射部分18b,用于基于包括用于减小最小欧几里德距离的信号点对数的除法的聚合分割方法将包括多个码字序列的输入符号序列转换成信号点序列; 以及用于正交调制信号点序列的正交调制部分20。 根据本发明的接收装置50b包括:正交解调部分51,用于对调制信号进行正交解调并输出接收信号点序列; 对数似然比计算部分54-1至54-5,用于根据聚合分割方法计算与每个符号配置位对应的似然信息; 以及根据似然信息对数字数据进行解码的纠错解码部55-1〜55-5。 版权所有(C)2013,JPO&INPIT
    • 72. 发明专利
    • Transmission apparatus of digital signal
    • 数字信号传输装置
    • JP2012049735A
    • 2012-03-08
    • JP2010188828
    • 2010-08-25
    • Nippon Hoso Kyokai 日本放送協会
    • KOJIMA MASAAKIHASHIMOTO AKINORIKIMURA TAKESHISUZUKI YOICHI
    • H04B1/04H04J11/00H04L27/34
    • PROBLEM TO BE SOLVED: To reduce deterioration of required C/N by correcting nonlinear distortion in a satellite repeater, etc. in a modulator side of a transmission apparatus in advance.SOLUTION: A transmission apparatus of an embodiment according to the present invention comprises: a pseudo transmission device (19) having the characteristics corresponding to the characteristics of an object apparatus on a transmission line; an amplitude phase calculating means (20) which generates a correction signal acquired by calculating a correction amplitude value and a correction phase value where an ideal amplitude value and an ideal phase value of an ideal IQ signal point are added to each sign-inverted value of a difference amplitude value and a difference phase value that are a difference between an amplitude value and a phase value where an IQ signal point of a digital signal output via the pseudo transmission device is converted into an amplitude and a phase and the ideal amplitude value and the ideal phase value where an corresponding ideal IQ signal point is converted into an amplitude and a phase, and by converting the correction amplitude value and the correction phase value into the IQ signal point; and an orthogonal modulation means (14) which carries out orthogonal modulation of the correction signal.
    • 解决的问题:通过预先在发送装置的调制器侧校正卫星转发器等的非线性失真来减少所需C / N的恶化。 解决方案:根据本发明的实施例的发送装置包括:具有与传输线上的对象设备的特性对应的特性的伪传输设备(19); 振幅相位计算装置(20),其生成通过计算修正振幅值而获得的校正信号和将理想IQ信号点的理想振幅值和理想相位值加到每个符号反转值的校正相位值 作为通过伪发送装置输出的数字信号的IQ信号点的振幅值和相位值之间的差的差幅值和差相位值被转换成振幅和相位以及理想振幅值,以及 将相应的理想IQ信号点转换成幅度和相位的理想相位值,并将校正振幅值和校正相位值转换为IQ信号点; 以及执行校正信号的正交调制的正交调制装置(14)。 版权所有(C)2012,JPO&INPIT
    • 73. 发明专利
    • Digital transmission system decoder, and receiving device
    • 数字传输系统解码器和接收设备
    • JP2010178308A
    • 2010-08-12
    • JP2009021847
    • 2009-02-02
    • Nippon Hoso Kyokai 日本放送協会
    • SUZUKI YOICHIHASHIMOTO AKINORIKOJIMA MASAAKISUJIKAI HISASHITANAKA YOSHIJIKIMURA TAKESHI
    • H04B7/005H04B7/15H04L27/01
    • PROBLEM TO BE SOLVED: To provide a decoder for correcting data error after waveform equalization of digital transmission, and to provide a receiving device.
      SOLUTION: The decoder includes: a training signal extraction part 58 for receiving and extracting, as a training signal, a signal obtained by modulating preliminarily specified known information, the specified known information being periodically transmitted; a training signal equalizer 60 for properly equalizing the extracted training signal by using a preliminarily prepared known pattern corresponding to the training signal, and for determining a filter coefficient for use in a main signal; a main signal equalizer 56 for operating the adaptive equalization processing of the main signal by using the filter coefficients without estimating the training signal from the received main signal; and a decoder for performing the error-correction of the post-waveform equalization main signal being obtained through the main signal equalizer 56.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于在数字传输的波形均衡之后校正数据错误的解码器,并提供接收装置。 解决方案:解码器包括:训练信号提取部分58,用于接收和提取周期性地发送指定的已知信息作为训练信号,通过调制预先指定的已知信息获得的信号; 训练信号均衡器60,用于通过使用与训练信号对应的预先准备的已知模式适当地均衡所提取的训练信号,并且确定用于主信号的滤波器系数; 主信号均衡器56,用于通过使用滤波器系数来操作主信号的自适应均衡处理,而不从接收到的主信号估计训练信号; 以及用于执行通过主信号均衡器56获得的后波形均衡主信号的纠错的解码器。版权所有:(C)2010,JPO&INPIT
    • 74. 发明专利
    • Digital data transmission system, transmitter and receiver
    • 数字数据传输系统,发射机和接收机
    • JP2009135591A
    • 2009-06-18
    • JP2007307782
    • 2007-11-28
    • Nippon Hoso Kyokai 日本放送協会
    • HASHIMOTO AKINORISHOGEN KAZUYOSHITANAKA YOSHIJISUJIKAI HISASHISUZUKI YOICHIKIMURA TAKESHIMATSUMURA KINJI
    • H04J3/00H04H20/33H04H20/74H04N7/173H04N21/236H04N21/4385
    • PROBLEM TO BE SOLVED: To provide a digital data transmission system capable of performing a large-capacity information transmission by combining a plurality of transmission paths, and to provide a transmitter and a receiver. SOLUTION: The transmitter 1 describes a "frame counter", "other channel stream connection information" showing the existence/absence of a connection part stream, a channel number, or the like, and "connection enable" in TMCC (transmission/multiplexing configuration control) information, and then transmits a part stream. The receiver 2 uses the "frame counter", "other channel stream connection information" and "connection enable" in the TMCC information, synchronously combines a main section stream, an unconnected section stream and a connected section stream, and generates the original digital stream. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够通过组合多个传输路径来执行大容量信息传输的数字数据传输系统,并提供发射机和接收机。 解决方案:发射机1描述了表示连接部分流的存在/不存在,信道号等的“帧计数器”,“其他信道流连接信息”和TMCC中的“连接使能”(传输 /复用配置控制)信息,然后发送部分流。 接收机2使用TMCC信息中的“帧计数器”,“其他信道流连接信息”和“连接使能”,同时组合主部分流,未连接部分流和连接的部分流,并生成原始数字流 。 版权所有(C)2009,JPO&INPIT
    • 76. 发明专利
    • Digital data transmission system
    • 数据传输系统
    • JP2008148295A
    • 2008-06-26
    • JP2007295930
    • 2007-11-14
    • Nippon Hoso Kyokai 日本放送協会
    • HASHIMOTO AKINORISHIYOUGEN KAZUYOSHITANAKA YOSHIJISUJIKAI HISASHISUZUKI YOICHIKIMURA TAKESHIMATSUMURA KINJI
    • H04L29/00H04L7/08H04N7/173H04N21/236H04N21/2385H04N21/44
    • PROBLEM TO BE SOLVED: To provide a digital data transmission system equipped with a transmitting apparatus and a receiving apparatus for digital data, capable of realizing transmission of large volume of information, by combining a multiple transmission paths. SOLUTION: The transmitting apparatus 1 writes in TMCC information "frame counter", and "other channel stream connection information" that indicate the presence or the absence of connection partial streams, channel numbers or the like, and transmits a partial stream. The receiving apparatus 2 performs synchronization synthesis with respect to a main partial stream, a front connection partial stream, and a back connection partial stream, by using the "frame counter" and the "other channel stream connection information" among the TMCC information, to generate an original data stream. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种配备有数字数据的发送装置和接收装置的数字数据传输系统,能够通过组合多个传输路径来实现大量信息的传输。 解决方案:发送装置1在TMCC信息“帧计数器”和“其他信道流连接信息”中写入连接部分流,信道号等的存在或不存在,并发送部分流。 接收装置2通过使用TMCC信息中的“帧计数器”和“其他信道流连接信息”,对主部分流,前连接部分流和后连接部分流进行同步合成,到 生成原始数据流。 版权所有(C)2008,JPO&INPIT
    • 77. 发明专利
    • Content transmission device, content receiving device, content transmission method, and content transmission program
    • 内容传输设备,内容接收设备,内容传输方法和内容传输程序
    • JP2008113248A
    • 2008-05-15
    • JP2006294991
    • 2006-10-30
    • Nippon Hoso Kyokai 日本放送協会
    • MAJIMA KEIGONAKAMURA HARUYUKIKIMURA TAKESHIIMAIZUMI HIROYUKIOTAKE TAKESHI
    • G06F21/10G06F21/62G06Q30/06G06Q50/00G06Q50/10H04N7/16H04N7/167H04N7/173H04N21/231H04N21/235H04N21/239H04N21/24H04N21/258
    • PROBLEM TO BE SOLVED: To provide a content transmission device which can control transmission propriety of content information according to attribute information of each user. SOLUTION: The content transmission device 1 receives service request data which become a transmission request of contents from a content receiving device, creates usage attribute information which shows usage of what content is permitted based on the attribute information of the user, and transmits the content when it is discriminated to permit the usage based on the usage attribute information and usage level information which shows that usage of each content is permitted to a user of what usage attribute, and is characterized to be provided with a content memory means 46, a user information memory means 25, a content attribute memory means 44, a usage request reception processing means (a content request data receiving means) 42, a usage level discrimination means (a permission level information acquisition means) 43, a content selection means (a content usage permission means) 45, and a content transmission means 47. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种可以根据每个用户的属性信息来控制内容信息的传输合理性的内容传输设备。 解决方案:内容发送装置1从内容接收装置接收成为内容的发送请求的服务请求数据,根据用户的属性信息,生成表示允许内容的使用的使用属性信息,并发送 当基于使用属性信息和使用级别信息被识别以允许使用每个内容的使用的内容被许可给用户什么使用属性,并且其特征在于具有内容存储装置46时, 用户信息存储装置25,内容属性存储装置44,使用请求接收处理装置(内容请求数据接收装置)42,使用等级鉴别装置(许可级信息获取装置)43,内容选择装置 内容使用许可手段)45以及内容发送手段47.(C)2008,JPO&INPIT
    • 80. 发明专利
    • Digital broadcast receiving apparatus
    • 数字广播接收设备
    • JP2003333552A
    • 2003-11-21
    • JP2003123591
    • 2003-04-28
    • Matsushita Electric Ind Co LtdNippon Hoso Kyokai 日本放送協会松下電器産業株式会社
    • KATAOKA MITSUTERUKUBOKI JUNICHIKIMURA TAKESHIAOKI KATSUNORIKAWAI NAOKIISOBE TADASHI
    • H04L7/00H04N5/44H04N7/08H04N7/081H04N7/173H04N19/00H04N19/70H04N21/44H04N21/8547H04N7/24
    • PROBLEM TO BE SOLVED: To provide a digital broadcast receiving apparatus for precisely synchronizing an event reference time being the reference of an event including part of the time series information on a time base with a provided reference clock being the reference of provided time synchronization among a plurality of pieces of time series information.
      SOLUTION: In the case of transmitting multiplexed time series information from a transmission side, the transmission side attaches offset information including an offset time between the event reference time being the event reference containing part of the time series information on the time base and the provided reference time being the reference of the provided time synchronization among the plurality of pieces of time series information to the event including part of the time series information on the time base and transmits the resulting time series information so as to precisely synchronize the provided reference time and the event reference time of the multiplexed time series information at a reception side.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种数字广播接收装置,用于将事件参考时间精确地同步,该事件参考时间是包括时基的一部分时间序列信息的事件,所提供的参考时钟是提供时间的参考 多个时间序列信息之间的同步。 解决方案:在从发送侧发送多路复用的时间序列信息的情况下,发送侧将偏移信息附加在包括事件基准时间的事件参考时间之间的偏移时间,作为包含时间序列信息的时间基准的部分的事件参考, 所提供的参考时间是对多个时间序列信息之间提供的时间同步的参考,包括关于时基的时间序列信息的一部分的事件,并且发送所得到的时间序列信息,以便精确地同步所提供的参考 时间和接收侧的多路复用时间序列信息的事件参考时间。 版权所有(C)2004,JPO