公开(公告)号：US20090271686A1

公开(公告)日：2009-10-29

申请号：US12165659

申请日：2008-07-01

申请人： Jing Jiang ,  Fuyun Ling ,  Thomas Sun ,  Tao Tian ,  Raghuraman Krishnamoorthi ,  Kent Walker

发明人： Jing Jiang ,  Fuyun Ling ,  Thomas Sun ,  Tao Tian ,  Raghuraman Krishnamoorthi ,  Kent Walker

IPC分类号： H03M13/15 ,  G06F11/10

CPC分类号： H03M13/112 ,  H03M13/1111 ,  H03M13/1117 ,  H03M13/1191 ,  H03M13/1515 ,  H03M13/152 ,  H03M13/19 ,  H03M13/23 ,  H03M13/2966 ,  H03M13/658 ,  H04L1/005 ,  H04L1/0064

摘要： Received communication signals may be decoded according to a combined turbo-RS (Reed-Solomon) decoding technique. The turbo decoding is based on information produced by the RS decoding.

摘要翻译： 接收的通信信号可以根据组合的turbo-RS（里德 - 所罗门）解码技术进行解码。 turbo解码基于由RS解码产生的信息。

公开(公告)号：US08250428B2

公开(公告)日：2012-08-21

申请号：US12276313

申请日：2008-11-22

申请人： Thomas Sun ,  Fuyun Ling ,  Jing Jiang ,  Raghuraman Krishnamoorthi ,  Tao Tian ,  Kent Walker

发明人： Thomas Sun ,  Fuyun Ling ,  Jing Jiang ,  Raghuraman Krishnamoorthi ,  Tao Tian ,  Kent Walker

IPC分类号： H03M13/00

CPC分类号： H04L1/0071 ,  H03M13/27 ,  H03M13/2957 ,  H04L1/0041 ,  H04L2001/0098

摘要： Methods and systems are described for scheduling data in an FLO system. The method may include turbo encoding the data, and dividing a packet of the turbo-coded data into a plurality of subpackets. The method may include scheduling the turbo-coded packet of data so as to distribute the data across multiple frames of a superframe, by transmitting each one of the subpackets during a different frame of the superframe to increase time diversity. The turbo-coded packet of data may comprise systematic bits and parity bits. The method may include separately scheduling the systematic bits and the parity bits during different frames of the superframe.

摘要翻译： 描述了用于在FLO系统中调度数据的方法和系统。 该方法可以包括对数据进行turbo编码，并将turbo编码数据的分组划分成多个子分组。 该方法可以包括通过在超帧的不同帧期间发送每个子分组以增加时间分集来调度数据的turbo编码分组以便分布跨超帧的多个帧的数据。 turbo编码的数据分组可以包括系统比特和奇偶校验比特。 该方法可以包括在超帧的不同帧期间单独地调度系统比特和奇偶校验比特。

公开(公告)号：US20100131829A1

公开(公告)日：2010-05-27

申请号：US12276313

申请日：2008-11-22

申请人： Thomas Sun ,  Fuyun Ling ,  Jing Jiang ,  Raghuraman Krishnamoorthi ,  Tao Tian ,  Kent Walker

发明人： Thomas Sun ,  Fuyun Ling ,  Jing Jiang ,  Raghuraman Krishnamoorthi ,  Tao Tian ,  Kent Walker

IPC分类号： H03M13/27 ,  H03M13/05 ,  G06F11/10

CPC分类号： H04L1/0071 ,  H03M13/27 ,  H03M13/2957 ,  H04L1/0041 ,  H04L2001/0098

摘要： Methods and systems are described for scheduling data in an FLO system. The method may include turbo encoding the data, and dividing a packet of the turbo-coded data into a plurality of subpackets. The method may include scheduling the turbo-coded packet of data so as to distribute the data across multiple frames of a superframe, by transmitting each one of the subpackets during a different frame of the superframe to increase time diversity. The turbo-coded packet of data may comprise systematic bits and parity bits. The method may include separately scheduling the systematic bits and the parity bits during different frames of the superframe.

摘要翻译： 描述了用于在FLO系统中调度数据的方法和系统。 该方法可以包括对数据进行turbo编码，并将turbo编码数据的分组划分成多个子分组。 该方法可以包括通过在超帧的不同帧期间发送每个子分组以增加时间分集来调度数据的turbo编码分组以便分布跨超帧的多个帧的数据。 turbo编码的数据分组可以包括系统比特和奇偶校验比特。 该方法可以包括在超帧的不同帧期间单独调度系统比特和奇偶校验比特。

公开(公告)号：US5844615A

公开(公告)日：1998-12-01

申请号：US783432

申请日：1997-01-16

申请人： Ray Nuber ,  Kent Walker

发明人： Ray Nuber ,  Kent Walker

IPC分类号： H04N7/083 ,  H04N7/087 ,  H04N7/088 ,  H04N19/89 ,  H04N7/025

CPC分类号： H04N19/89 ,  H04N19/61 ,  H04N19/107

摘要： A method and apparatus are provided for communicating VBI user information in digital television data streams via a generic syntax. The syntax allows the digital transport of virtually any type of user data that may be carried in the VBI portion of an analog television signal. A pixel generator is used to insert VBI lines into a digital video signal using information provided in the user portion of the digital data stream. The syntax provides the pixel generator with the start time of the first symbol, the number of pixels per symbol, the high and low levels to insert, the fraction of the symbol time that is transition time, the number of symbols to insert and the frame line number on which to insert the data.

摘要翻译： 提供了一种通过通用语法在数字电视数据流中传送VBI用户信息的方法和装置。 该语法允许数字传输几乎可以在模拟电视信号的VBI部分中承载的任何类型的用户数据。 使用像素发生器使用在数字数据流的用户部分中提供的信息将VBI线插入到数字视频信号中。 该语法为像素生成器提供第一个符号的开始时间，每个符号的像素数，插入的高电平和低电平，转换时间的符号时间的分数，插入的符号数和帧 要插入数据的行号。

公开(公告)号：US5398237A

公开(公告)日：1995-03-14

申请号：US65578

申请日：1993-05-26

申请人： Mark K. Eyer ,  Paul Moroney ,  Kent Walker ,  Harris Simon ,  Stephen K. How

发明人： Mark K. Eyer ,  Paul Moroney ,  Kent Walker ,  Harris Simon ,  Stephen K. How

IPC分类号： H04L1/00 ,  H04L5/12 ,  H04L7/02 ,  H04L7/04 ,  H04N21/2383 ,  H04N21/438 ,  H04J11/00

CPC分类号： H04L1/0068 ,  H04L1/0045 ,  H04L5/12 ,  H04N21/2383 ,  H04N21/4382 ,  H04L7/02 ,  H04L7/04

摘要： A desired information stream is recovered from a pair of independent bitstreams transmitted using quadrature modulation. One of the independent bitstreams is altered by an invertible alteration function prior to transmission. The quadrature modulated bitstreams are demodulated at a receiver to provide a demodulated I bitstream and a demodulated Q bitstream. One of the demodulated I and Q bitstreams is tentatively provided for decoding. The tentatively provided bitstream can be optionally inverted. One of the tentatively provided bitstream and the optionally inverted bitstream is decoded if it is desired to recover the bitstream that was not altered by the alteration function prior to transmission. One of the tentatively provided bitstream and the optionally inverted bitstream is decoded after applying the inverse of the alteration function thereto if it is desired to recover the bitstream that was altered by the alteration function prior to transmission. An error rate of data decoded during the decoding step is determined. If the error rate is not acceptable, different choices of the demodulated I and Q bitstreams with and without inversion are tried until an acceptable error rate is obtained.

摘要翻译： 从使用正交调制发送的一对独立比特流中恢复期望的信息流。 在传输之前，独立比特流之一被可逆的改变功能改变。 正交调制比特流在接收机处被解调，以提供解调的I比特流和解调的Q比特流。 解调的I和Q比特流之一被暂时提供用于解码。 暂时提供的比特流可以任选地反转。 如果希望在传输之前恢复未被改变功能改变的比特流，则暂时提供的比特流之一和可选地反转的比特流被解码。 如果希望在传输之前恢复由改变功能改变的比特流，则将暂时提供的比特流和可选地反转的比特流中的一个在应用改变函数的逆之后进行解码。 确定在解码步骤期间解码的数据的错误率。 如果错误率是不可接受的，则尝试使用具有和不具有反转的解调的I和Q比特流的不同选择，直到获得可接受的错误率。