Apparatus for generating codes in communication system
    1.
    发明申请
    Apparatus for generating codes in communication system 有权
    用于在通信系统中生成代码的装置

    公开(公告)号:US20040068687A1

    公开(公告)日:2004-04-08

    申请号:US10680815

    申请日:2003-10-07

    IPC分类号: H03M013/00

    摘要: A QCTC (Quasi-Complementary Turbo Code) generating apparatus having a turbo encoder for generating an information symbol sequence and a plurality of parity symbol sequences by encoding the information symbol sequence; a channel interleaver for individually interleaving the symbol sequences, generating new parity symbol sequences by multiplexing the symbols of parity symbol sequences with the same priority levels, and serially concatenating the information symbol sequence and the new parity symbol sequences; and a QCTC generator for generating a sub-code with a given code rate by recursively selecting a predetermined number of symbols from the concatenated symbol sequence at a given starting position.

    摘要翻译: 具有用于通过对信息符号序列进行编码来生成信息符号序列和多个奇偶校验符号序列的Turbo编码器的QCTC(准互补Turbo码)生成装置; 用于单独地交织符号序列的信道交织器,通过对具有相同优先级的奇偶校验符号序列的符号进行多路复用生成新的奇偶符号序列,以及串行级联信息符号序列和新的奇偶校验符号序列; 以及QCTC发生器,用于通过在给定的开始位置从所述级联的符号序列递归地选择预定数量的符号来产生具有给定码率的子码。

    Digital audio broadcasting method and apparatus using complementary pattern-mapped convolutional codes
    4.
    发明授权
    Digital audio broadcasting method and apparatus using complementary pattern-mapped convolutional codes 有权
    使用互补图案映射卷积码的数字音频广播方法和装置

    公开(公告)号:US07043681B2

    公开(公告)日:2006-05-09

    申请号:US10138898

    申请日:2002-05-03

    IPC分类号: H03M13/25

    摘要: A method of transmitting digital information comprises the steps of forward error correction encoding a plurality of bits of digital information using complementary pattern-mapped convolutional codes, modulating a plurality of carrier signals with the forward error corrected bits, and transmitting the carrier signals. The modulation can include the step of independently amplitude shift keying in-phase and quadrature components of the QAM constellation using Gray code constellation points corresponding to amplitude levels. Transmitters that transmit signals in accordance with the method and receivers that receive such signals are also included.

    摘要翻译: 一种发送数字信息的方法包括以下步骤:使用互补模式映射卷积码对多个位数字信息进行前向纠错编码,用前向纠错比特调制多个载波信号,以及发送载波信号。 调制可以包括使用对应于幅度水平的格雷码星座点来独立地振幅键控QAM星座的同相和正交分量的步骤。 还包括根据接收这种信号的方法和接收机发送信号的发射机。

    Digital audio broadcasting method and apparatus using complementary pattern-mapped convolutional codes
    8.
    发明申请
    Digital audio broadcasting method and apparatus using complementary pattern-mapped convolutional codes 有权
    使用互补图案映射卷积码的数字音频广播方法和装置

    公开(公告)号:US20030212946A1

    公开(公告)日:2003-11-13

    申请号:US10138898

    申请日:2002-05-03

    IPC分类号: H03M013/03

    摘要: A method of transmitting digital information comprises the steps of forward error correcting a plurality of bits of digital information using complementary pattern-mapped convolutional codes, modulating a plurality of carrier signals with the forward error corrected bits, and transmitting the carrier signals. The modulation can include the step of independently amplitude shift keying in-phase and quadrature components of the QAM constellation using Gray code constellation points corresponding to amplitude levels. Transmitters that transmit signals in accordance with the method and receivers that receivers such signals are also included.

    摘要翻译: 一种发送数字信息的方法包括以下步骤:使用互补模式映射卷积码对多个位数字信息进行前向纠错,用前向纠错比特调制多个载波信号,以及发送载波信号。 调制可以包括使用对应于幅度水平的格雷码星座点来独立地振幅键控QAM星座的同相和正交分量的步骤。 还包括根据方法发射信号的发射机和接收这种信号的接收机。

    Apparatus and method for generating and decoding codes in a communication system
    9.
    发明授权
    Apparatus and method for generating and decoding codes in a communication system 有权
    用于在通信系统中生成和解码代码的装置和方法

    公开(公告)号:US07200181B2

    公开(公告)日:2007-04-03

    申请号:US10080262

    申请日:2002-02-19

    IPC分类号: H04L23/02 H03M13/03

    摘要: An apparatus generates quasi-complementary turbo codes in a communication system. The apparatus includes a turbo encoder, an interleaver for interleaving symbols output from the turbo encoder according to a given rule, and a code generator for generating the quasi-complementary turbo codes by puncturing and repeating the interleaved symbols from the interleaver. Further, an apparatus decodes quasi-complementary turbo codes in the communication system. The decoding apparatus includes a code decoder for generating code symbols according to a code rate transmitted through depuncturing sub-codes of quasi-complementary turbo codes transmitted from a transmitter and soft combining the sub-codes, a deinterleaver for deinterleaving the symbols output from the code decoder, and a turbo decoder for decoding an output of the deinterleaver.

    摘要翻译: 一种装置在通信系统中产生准互补turbo码。 该装置包括turbo编码器,用于根据给定规则交织从turbo编码器输出的符号的交织器,以及用于通过从交织器中穿插并重复交错符号来产生准互补turbo码的码发生器。 此外,装置解码通信系统中的准互补turbo码。 解码装置包括:码解码器,用于根据通过从发送器发送的准互补turbo码的解穿孔子码和通过软组合子码发送的码率生成码符号;解交织器,用于对代码输出的符号进行解交织; 解码器和用于对解交织器的输出进行解码的turbo解码器。