SATELLITE BROADCASTING AND COMMUNICATION TRANSMITTING METHOD AND APPARATUS OPERABLE IN BROAD SIGNAL TO NOISE RATIO (SNR) ENVIRONMENT
    1.
    发明申请
    SATELLITE BROADCASTING AND COMMUNICATION TRANSMITTING METHOD AND APPARATUS OPERABLE IN BROAD SIGNAL TO NOISE RATIO (SNR) ENVIRONMENT 审中-公开
    卫星广播和通信传输方法和装置在宽带信号中可用于噪声比(SNR)环境

    公开(公告)号:US20140229997A1

    公开(公告)日:2014-08-14

    申请号:US14175496

    申请日:2014-02-07

    Abstract: Provided is a technology applicable to a broad signal to noise ratio (SNR) environment for a satellite communication and broadcasting service, including a mapper to modulate a forward error correction frame based on a predetermined constellation, a physical layer header processor to add a physical layer header to the modulated forward error correction frame, a physical layer frame spreader to spread a physical layer frame of the modulated forward error correction frame, and a physical layer scrambler to scramble the added physical layer header and the spread physical layer frame.

    Abstract translation: 提供了适用于卫星通信和广播业务的宽信噪比(SNR)环境的技术,包括基于预定星座来调制前向纠错帧的映射器,物理层报头处理器,以添加物理层 标题到调制的前向纠错帧,物理层帧扩展器,用于扩展调制的前向纠错帧的物理层帧,以及物理层扰频器,以加扰附加的物理层报头和扩展的物理层帧。

    DATA TRANSMITTING AND RECEIVING APPARATUS
    3.
    发明申请
    DATA TRANSMITTING AND RECEIVING APPARATUS 审中-公开
    数据发送和接收设备

    公开(公告)号:US20160269049A1

    公开(公告)日:2016-09-15

    申请号:US15067388

    申请日:2016-03-11

    Abstract: Provided is a data transmitting and receiving apparatus that may process a signal to be transmitted using a faster-than-Nyquist (FTN) method. The data transmitting and receiving apparatus may perform low-density parity-check (LDPC) encoding on data to be transmitted using a first matrix having a first degree based on a preset reference and a second matrix having a single diagonal matrix structure, independently perform interleaving and symbol mapping on each of an information bit and a parity bit of the data, accelerate an output signal by a transmission rate based on the FTN method, and transmit the data.

    Abstract translation: 提供了一种数据发送和接收装置,其可以使用比奈奎斯特(FTN)方法处理要发送的信号。 数据发送和接收装置可以使用具有基于预设参考的第一度的第一矩阵和具有单个对角矩阵结构的第二矩阵来执行要发送的数据的低密度奇偶校验(LDPC)编码,独立地执行交织 以及数据的信息位和奇偶校验位中的每一个上的符号映射,基于FTN方法以传输速率加速输出信号,并发送数据。

    MODULATION AND DEMODULATION METHOD FOR SATELLITE COMMUNICATION USING WIDESPREAD SIGNAL-TO-NOISE RATIO (SNR)
    5.
    发明申请
    MODULATION AND DEMODULATION METHOD FOR SATELLITE COMMUNICATION USING WIDESPREAD SIGNAL-TO-NOISE RATIO (SNR) 有权
    使用WIDESPREAD信号噪声比(SNR)的卫星通信的调制和解调方法

    公开(公告)号:US20130195148A1

    公开(公告)日:2013-08-01

    申请号:US13754436

    申请日:2013-01-30

    Abstract: Provided are a modulation method and a demodulation method for satellite communication using a widespread signal-to-noise ratio (SNR), the method including: adding a dummy frame to a broadcasting/communication signal frame for signal transmission of a digital video broadcasting-satellite second generation (DVB-S2) modulator; verifying a spreading factor; adding the same physical layer header to the broadcasting/communication signal frame to which the dummy frame is added, repeatedly the number of times corresponding to the verified spreading factor; and repeating the same data, for example, PL frame data as the physical layer header.

    Abstract translation: 提供了一种使用广泛的信噪比(SNR)的卫星通信的调制方法和解调方法,该方法包括:将伪帧添加到广播/通信信号帧中,用于信号传输数字视频广播卫星 第二代(DVB-S2)调制器; 验证扩展因子; 将相同的物理层报头添加到添加了伪帧的广播/通信信号帧中,重复与验证的扩展因子相对应的次数; 并且重复相同的数据,例如作为物理层报头的PL帧数据。

    SYSTEM AND METHOD FOR SYNCHRONIZATION BETWEEN DIGITAL-TO-ANALOG CONVERTERS (DACs) FOR HIGH SPEED SIGNAL PROCESSING
    7.
    发明申请
    SYSTEM AND METHOD FOR SYNCHRONIZATION BETWEEN DIGITAL-TO-ANALOG CONVERTERS (DACs) FOR HIGH SPEED SIGNAL PROCESSING 有权
    用于高速信号处理的数字到模拟转换器(DAC)之间的同步的系统和方法

    公开(公告)号:US20150061909A1

    公开(公告)日:2015-03-05

    申请号:US14301753

    申请日:2014-06-11

    CPC classification number: H03M1/662 H03M1/0624 H03M1/66

    Abstract: Provided is a system and method for synchronization between digital-to-analog converters (DAC) for high speed signal processing. A synchronization method of a multi-DAC apparatus may include: inputting a clock to a multiplexer (MUX) DAC; dividing the clock into a first clock and a second clock; transferring a phase difference between the first clock and the second clock to a D flip-flop; and synchronizing the first clock and the second clock by processing the phase difference.

    Abstract translation: 提供了用于高速信号处理的数模转换器(DAC)之间的同步的系统和方法。 多DAC装置的同步方法可以包括:将时钟输入到多路复用器(MUX)DAC; 将时钟分为第一时钟和第二时钟; 将第一时钟和第二时钟之间的相位差传送到D触发器; 以及通过处理所述相位差来同步所述第一时钟和所述第二时钟。

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